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Search results “Javascript magic methods”
set state Magic Method
 
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Learn advanced object oriented programming with simple code examples. This Course includes almost all OOP PHP7 topics. https://www.udemy.com/oop-object-oriented-programming-in-php-7/?couponCode=YOUTUBESUB The Topics Discussed in the Course are 1: Basics of Object Oriented Programming 2: Visibility 3: Class Constants 4: Data Encapsulation 5: Inheritance 6: Overriding 7: Final Keyword 8: Abstract Classes And Methods 9: Interfaces 10: Constructor And Destructor 11: Static Properties And Methods 12: Magic Methods 13: Errors And Exceptions In PHP 14: Autoloading 15: Namespaces And Autoloading Namespaces 16: Object Serialization 17: Object Cloning 18: Type Hinting 19: Comparing Objects 20: Overloading 21: Traits 22: Late Static Binding 23: Object Iteration
6 Proven Methods For Handling Errors in JavaScript (promises, async, await, decorators, rxjs)!
 
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JavaScript has a lot of ways of doing error handlers. You can use try catch blocks with promises, you can use decorators and with rxjs you have catchError. In this video I show you some best practices on how to work with erros in JavaScript. Including creating a custom decorator and a custom rxjs operator! Some of these may surprise you! My last video on Ember.js! https://youtu.be/_JfNuppX1n8 Follow along with the code on StackBlitz https://stackblitz.com/edit/rxjs-njezz8 Sign up here to get the first chapter of my book (Vue.js in Action) and a cheatsheet - http://bit.ly/2GWWuEw
Views: 571 Program With Erik
JavaScript Array Some & Every Methods Tutorial in Hindi / Urdu
 
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In this tutorial you will learn javascript array some and every methods in Hindi, Urdu.You can learn how to get a data from array on conditional search based on javascript some and every function. JavaScript Tutorial Playlist https://www.youtube.com/playlist?list=PL0b6OzIxLPbx-BZTaWu_AF7hsKo_Fvsnf Follow us on Facebook https://www.facebook.com/yahooobaba/ Follow us on Twitter https://twitter.com/YahoooBaba #javascript #webdevelopment #webdesign
Views: 722 Yahoo Baba
In Javascript, Everything Is (or acts like) An Object
 
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Javascript, probably the most ubiquitous programming language on the planet, has an amazing feature: Everything is an Object. Really, everything: numbers, booleans, and functions included. Jared and Benjamin talk about this fact, and some of the awesome that goes along with it. We also give you a taste of the magic that flows from the almighty Javascript Function. [edit]: We've since learned (thanks everybody), that there are technically primitive values in Javascript, but they always (for every practical purpose anyway) act like Objects. [another edit]: Yes, yes. We got Pi squared wrong, I meant Pi * 2. Oops.
Views: 12258 Source Decoded
Custom JavaScript Variable within Google Tag Manager (ClientID, Document Title etc)
 
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Let us explore how to use the Custom JavaScript Variable in Google Tag Manager accurately. This Variable is often used to extend the functionality of GTM beyond the provided methods of creating Variables. If you know JavaScript, you can easily input an anonymous function which will be executed when the Variable is checked. This allows for a far bigger range of Variables than before. helpful Links: http://www.simoahava.com/analytics/macro-magic-google-tag-manager/ http://www.codecademy.com/tracks/javascript Variable JS Template: http://pastebin.com/CAfeE48Y Course: http://measureschool.com/youtube more Resources: http://measureschool.com . . RECOMMENDED MEASURE BOOKS: https://kit.com/Measureschool/recommended-measure-books GEAR WE USED TO PRODUCE THIS VIDEO: https://kit.com/Measureschool/measureschool-youtube-gear
Views: 29299 Measureschool
PHP with MySQL - Magic Methods
 
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Watch more at http://www.educator.com/computer-science/advanced-php/machaj/ Other Computer Science subjects include Java, HTML, JavaScript, CSS, Wordpress, and XML, with more coming soon. We also offer math/science help from middle school through high school all the way to college level courses.
Views: 2396 Educator.com
JavaScript ES6 - Spread Operator
 
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This video we'll cover the ES6 spread operator as it can be used for function calls, destructuring and array literals!
Views: 10612 Nodecasts
scrollTo method in JavaScript
 
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Here i'm explaning Window.scrollTo() scrolls to a particular set of coordinates in the document. This lecture in hindi language.
Views: 57 ISEQUAL
#8  Magic Methods Part1  __construct function
 
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#8 Magic Methods Part1 __construct function
Views: 457 Php Anonymous
Javascript setAttribute removeAttribute Methods Tutorial
 
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Script: http://www.developphp.com/video/JavaScript/setAttribute-removeAttribute-Methods-Tutorial Learn to apply the setAttribute and removeAttribute methods of Javascript. Since Javascript has become a necessary running component of the web and HTML5 relies heavily upon it we can lean on it more and more to reduce our HTML markup cosiderably much the same way we ruduce our HTML markup by separating out the CSS styling from it. There are also times when in mid flow while a user is using your application, you may have to set or remove an HTML attribute from a tag at runtime. Which makes this a necessary set of methods for Javascript application authors to know. This tutorial is for people that have a good understanding and working knowledge of HTML attributes, and they wish to enhance their Javascript skills in regards to HTML5 dynamic attribute handling. THis also applies to HTML4 attributes. If you are not aware of all of the HTML and HTML5 attributes, web search a list of them.
Views: 14943 Adam Khoury
Codecombat Javascript Разработка игр - 9. Hedge Magic
 
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Девятая часть про разработку игр занимательного прохождения Codecombat на Javascript
Views: 173 Eugen Maevsky
PHP Magic Methods in Hindi ( __toString() ) 11/15
 
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This is video tutorial series on Magic Methods in PHP. And this video covers __toString().
Views: 4565 PHP in Hindi
Magic Square Construction Algorithm N × N
 
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Magic square Construction 3×3. It is a matrix in which addition of every row , every column and both diagonals is same.
YUI 3's Use and Add Methods
 
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YUI 3 introduces a new module system built upon two new methods: add() and use(). This video provides a brief introduction to those two functions. It covers several examples, starting with a simple YUI 3 script that loads the Event and Node modules, then moves on to a more complicated example where a new module is created and then loaded in to YUI 3 through the add and use methods. "Slides" are here: https://github.com/klamping/yui3-use-add
PHP Magic Methods in Hindi ( __sleep() ) 12/15
 
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This is video tutorial series on Magic Methods in PHP. And this video covers __sleep().
Views: 5304 PHP in Hindi
Learn JS BOM in Arabic #07 - Window Methods - scrollBy, scrollTo
 
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شرح خاصية ال scrollTo و scrollBy لعمل Scroll للصفحة وكيف تفرق بينهم بأمثلة عملية كاملة.
Views: 5567 Elzero Web School
Magic methods in PHP5
 
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A brief overview of some Magic Methods in PHP5 Object-Oriented Programing. Welcome to this screencast about magic methods in PHP. You can find the official documentation at http://www.php.net/manual/en/language.oop5.magic.php. Please note that the naming convention of a magic method in PHP is that its name begins with a double underscore and also that a magic method should always be public. That said I am going to create a new class, that I will call magic. I will give it some properties, respectively name, set to John, and age, set to 12. Now I am going to create a variable called underscore that will instantiate the magic class into a new object. And I am going to create a string to test that my object has been instantiated successfully. Let's test in a browser, and it works! John is 12 years old. Now let's see our first magic method, which is the constructor. Let's say that every time I want to call my class magic into an object, I want to choose different name and age that I will set in the instantiation. I am going to create a method called double underscore construct expecting the parameters name and age, and setting those to my object properties. And now I am going to add parenthesis after my instantiation declaration with the parameters I want, here Jack and 30. Let's test in the browser, and it works! Now let's say I want to protect my object properties name and age, using the protected keywords. Now if I go back to my browser, it will throw an error because I am trying to access protected properties, which PHP rightfully sees as an illegal operation. So I am going to use an other magic metod, called double underscore get, that PHP will call every time an object instantiation is using a protected or a not-found property. The double underscore get magic method is expected the key argument. In my function body, I will just allow the protected property to be accessed. Now I go back to my browser and it works. Now let's imagine that in runtime, after my object has been constructed, I want to change the name property, let's say to Peter. PHP will throw an error because I am trying to set a property that is either protected or not found - in this case, protected. To fix that, I am going to use another magic method, called double underscore get, waiting for a key and a value parameter, and in my function body, I will just allow the protected property to be set to value. Now I go back to my browser and the new name has been applied. Now I am going to create a regular method, called walk. Upon calling, it will display a message. I call the walk function in my runtime and, back to my browser, you can see that the message is successfully displayed. Now I am going to call a method that hasn't been set, let's say the method eat. As you can see on the browser, PHP throws an error because you are calling a method that hasn't been set. So we are going to add in our class another magic method, called double underscore call. The same as double underscore get that is called everytime you are trying to access an unknown property, double underscore call is called when you are calling a method that does not exist. double underscore call takes two arguments, the name of the method and an array made of its arguments. Here, in the function body, I am just going to display a message saying that this method does not exist. Back to my browser, and the double underscore call magic method get called successfully. Now we are going to see what happened if I am trying to echo my object. As you can see, PHP throws a fatal error because echo can only print strings and not objects. To be able to print something every time my object is called as a string, I am going to use the double underscore toString magic method. This method is expected to return a string. Let's test it in our browser: it works! Similar to the double underscore toString magic method is the double underscore invoke magic method. This method is going to be called every time you append parenthesis to your object instantiation variable. In the function body I am just going to output the name of the object. The last magic method I am going to show you concerns what happens when your object gets destroyed. As you probably know, when PHP has finished executing a script, it destroys all the variables that have been created during runtime, including objects. This is called garbage collection and its goal is to free memory. And when that happens, if your class has a destructor magic method, it will be called. It will also be called if you destroy the object yourself during runtime, which is what I am doing here using the unset function. Now in my function body, I am just going to echo a message. Let's test it in our browser. We can see that our destructor magic method has been called upon object unsetting. This is all for now but you can find more PHP magic methods at http://www.php.net/manual/en/language.oop5.magic.php
Views: 2492 jeanlou1legeek
8: How To Use The toString Method In OOP PHP | Object Oriented PHP Tutorial | PHP Tutorial | mmtuts
 
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How To Use The toString Method | OOP PHP Tutorial | Learn OOP PHP | Object Oriented PHP. In this PHP tutorial you will learn to use the toString method, which allow for you to run a default script, if we accidentically call on an object we instantiated previously. ➤ GET ACCESS TO MY LESSON MATERIAL HERE! First of all, thank you for all the support you have given me! I am really glad to have such an awesome community on my channel. It motivates me to continue creating and uploading content! So thank you! I am now using Patreon to share improved and updated lesson material, and for a small fee you can access all the material. I have worked hard, and done my best to help you understand what I teach. I hope you will find it helpful :) Material for this lesson: https://www.patreon.com/posts/oop-php-lessons-26928726
Views: 22421 mmtuts
Object-Oriented Programming with PHP : What is a magic method, and do I need one
 
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Object Oriented Programming, or OOP, refers to the method of programming that invokes the use of classes to organize the data and structure of an application. In this article we are going explore exactly what OOP is in relation to PHP, and look at a few things you should remember about it as well. We'll end of with a simple example of how to use it. Object-Oriented Programming with PHP Creating First Object Link Exercice files : http://www.mediafire.com/download/oa908oka8m2mflw/Ex_Files_oophp(2).zip Object-Oriented, Php poo, poo, Oriented Programming, Programming with PHP, Creating First Object , Object-Oriented Programming with PHP,OOP,PHP, html, help, free images, goodies, color codes, tutorial, html basics, basic html, tutorials, color codes, hex codes, image map, javascript onclick, backgrounds, onmouseover, learn html javascript, css, java, window, htmlgoodies.com, php, vbscript, asp
Views: 245 Monsif Appkech
Programming Terms: First-Class Functions
 
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In this programming terms video, we will be looking at the term "First-Class Function". First-class functions are extremely important to grasp because understanding them will help us understand more complicated terms such as: Closures, Higher-order functions, currying, and more. We will be looking at examples of first-class functions in both Python and JavaScript so that we can really understand the concept, regardless of programming language. The code from this video can be found at: https://github.com/CoreyMSchafer/code_snippets/tree/master/FC_Functions ✅ Support My Channel Through Patreon: https://www.patreon.com/coreyms ✅ Become a Channel Member: https://www.youtube.com/channel/UCCezIgC97PvUuR4_gbFUs5g/join ✅ One-Time Contribution Through PayPal: https://goo.gl/649HFY ✅ Cryptocurrency Donations: Bitcoin Wallet - 3MPH8oY2EAgbLVy7RBMinwcBntggi7qeG3 Ethereum Wallet - 0x151649418616068fB46C3598083817101d3bCD33 Litecoin Wallet - MPvEBY5fxGkmPQgocfJbxP6EmTo5UUXMot ✅ Corey's Public Amazon Wishlist http://a.co/inIyro1 ✅ Equipment I Use and Books I Recommend: https://www.amazon.com/shop/coreyschafer ▶️ You Can Find Me On: My Website - http://coreyms.com/ My Second Channel - https://www.youtube.com/c/coreymschafer Facebook - https://www.facebook.com/CoreyMSchafer Twitter - https://twitter.com/CoreyMSchafer Instagram - https://www.instagram.com/coreymschafer/
Views: 89916 Corey Schafer
PHP magic methods: sleep and wakeup
 
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This is a learning video in PHP magic methods. Sleep is called when serialized and wakeup when unserialized.
Views: 1390 PeterDownie1988
[Hindi] Magic/Dunder Methods In Python? | Object Oriented Programming Using Python Tutorial #8
 
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►This video is a part of this OOPs playlist : https://www.youtube.com/playlist?list=PLu0W_9lII9ahfRrhFcoB-4lpp9YaBmdCP ►Click here to subscribe - https://www.youtube.com/channel/UCeVMnSShP_Iviwkknt83cww Best Hindi Videos For Learning Programming: ►Learn Python In One Video - https://www.youtube.com/watch?v=qHJjMvHLJdg ►Learn JavaScript in One Video - https://www.youtube.com/watch?v=onbBV0uFVpo ►Learn PHP In One Video - https://www.youtube.com/watch?v=xW7ro3lwaCI ►Machine Learning Using Python - https://www.youtube.com/playlist?list=PLu0W_9lII9ai6fAMHp-acBmJONT7Y4BSG ►Creating & Hosting A Website (Tech Blog) Using Python - https://www.youtube.com/playlist?list=PLu0W_9lII9agAiWp6Y41ueUKx1VcTRxmf ►Advanced Python Tutorials - https://www.youtube.com/playlist?list=PLu0W_9lII9aiJWQ7VhY712fuimEpQZYp4 ►Object Oriented Programming In Python - https://www.youtube.com/playlist?list=PLu0W_9lII9ahfRrhFcoB-4lpp9YaBmdCP ►Python Data Science and Big Data Tutorials - https://www.youtube.com/playlist?list=PLu0W_9lII9agK8pojo23OHiNz3Jm6VQCH Follow Me On Social Media ►Website (created using Flask) - https://www.codewithharry.com ►Facebook - https://www.facebook.com/CodeWithHarry ►Instagram (Guaranteed Replies :)) - https://www.instagram.com/haris_magical/ ►Personal Facebook A/c - https://www.facebook.com/geekyharis Twitter - https://twitter.com/Haris_Is_Here
Views: 956 CodeWithHarry
React.js Hooks Crash Course
 
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All you need to know to learn React Hooks - a feature that allows you to work with functional React components only. We'll dive into useState(), useEffect() and custom hooks in great detail. ---------- Take my full React course (fully updated to include React Hooks): https://www.udemy.com/react-the-complete-guide-incl-redux/?couponCode=ACAD_YT Read the full article: https://academind.com/learn/react/react-hooks-introduction Starting Code: https://github.com/academind/react-hooks-introduction Finished Code (Hooks): https://github.com/academind/react-hooks-introduction/tree/hooks-intro Finished Code (with custom Hook): https://github.com/academind/react-hooks-introduction/tree/custom-hooks Dive into the official React Hooks docs: https://reactjs.org/docs/hooks-intro.html Want to learn something totally different? Check out all other courses: https://academind.com/learn/our-courses ---------- • You can follow Max on Twitter (@maxedapps). • And you should of course also follow @academind_real. • You can also find us on Facebook.(https://www.facebook.com/academindchannel/) • Or visit our Website (https://www.academind.com) and subscribe to our newsletter! See you in the videos! ---------- Academind is your source for online education in the areas of web development, frontend web development, backend web development, programming, coding and data science! No matter if you are looking for a tutorial, a course, a crash course, an introduction, an online tutorial or any related video, we try our best to offer you the content you are looking for. Our topics include Angular, React, Vue, Html, CSS, JavaScript, TypeScript, Redux, Nuxt.js, RxJs, Bootstrap, Laravel, Node.js, Progressive Web Apps (PWA), Ionic, React Native, Regular Expressions (RegEx), Stencil, Power BI, Amazon Web Services (AWS), Firebase or other topics, make sure to have a look at this channel or at academind.com to find the learning resource of your choice!
Views: 46589 Academind
Magic Methods in PHP ( __isset() and isset() ) Part -9
 
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Published on Dec 21, 2016 Playlist Name : Magic Methods in PHP Tutorial In this tutorial we will learn about Magic Methods in PHP such as : __isset() & isset : isset() __isset() Language construct | Magic method Always return bool | Result depends on custom logic* Must be invoked in code | Called automatically by event Unlimited number of parameters | Has only one parameter Can be used in any scope | Must be defined as method** Is a reserved keyword | Not a reserved keyword Can't be redefined (Parse error) | Can be redefined in extended class*** If you have any query about these stuff than you can mail us on this email id : [email protected] Twitter id :https://twitter.com/tutorialspoint2 facebook : https://www.facebook.com/tutorialspoint2016 Instragram : https://www.instagram.com/tutorialspoint2016 Google plus : https://plus.google.com/+TutorialsPoint2016 Blogger : http://tutorialspoint2016.blogspot.in/ Don't forget to hit the Subscribe & Like button!
Views: 702 Technical Suneja
PHP Magic Methods in Hindi ( __wakeup() ). 13/15
 
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This is video tutorial series on Magic Methods in PHP. And this video covers __wakeup().
Views: 4319 PHP in Hindi
JavaScript Security: Hide your Code?
 
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Should you hide your frontend JavaScript code? CAN you hide your browser JavaScript code? Limited Offer! Join the Full JavaScript Course at 90% off: https://acad.link/js Exclusive Discount also available for our Node.js Course: https://acad.link/nodejs Check out all our other courses: https://academind.com/learn/our-courses ---------- • Go to https://www.academind.com and subscribe to our newsletter to stay updated and to get exclusive content & discounts • Follow @maxedapps and @academind_real on Twitter • Join our Facebook community on https://www.facebook.com/academindchannel/ See you in the videos! ---------- Academind is your source for online education in the areas of web development, frontend web development, backend web development, programming, coding and data science! No matter if you are looking for a tutorial, a course, a crash course, an introduction, an online tutorial or any related video, we try our best to offer you the content you are looking for. Our topics include Angular, React, Vue, Html, CSS, JavaScript, TypeScript, Redux, Nuxt.js, RxJs, Bootstrap, Laravel, Node.js, Progressive Web Apps (PWA), Ionic, React Native, Regular Expressions (RegEx), Stencil, Power BI, Amazon Web Services (AWS), Firebase or other topics, make sure to have a look at this channel or at academind.com to find the learning resource of your choice!
Views: 189925 Academind
#10  Magic Methods Part 3 __get function __set function
 
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#10 Magic Methods Part 3 __get function __set function oop
Views: 510 Php Anonymous
JavaScript Q&A - call method
 
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Facebook page: https://www.facebook.com/pages/WebTunings/339234242822202 Google+ plus.google.com/+webtunings Recommended JavaScript Book: http://www.amazon.com/gp/product/0596805527/ref=as_li_qf_sp_asin_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=0596805527&linkCode=as2&tag=webtuningscom-20 Code snippets: https://github.com/webtunings
Views: 347 WebTunings
PHP with MySQL: Magic Methods
 
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Watch more at http://www.educator.com/computer-science/advanced-php/machaj/ Other Computer Science subjects include Java, HTML, JavaScript, CSS, Wordpress, and XML, with more coming soon. We also offer math/science help from middle school through high school all the way to college level courses.
Views: 214 Educator.com
Node.js Tutorial For Beginners Part 9 - Callback Functions Basics
 
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This Node.js tutorial is a simple introduction to callback functions. These Node.js tutorial series will make you into a better developer whether you are a beginner or a seasoned programmer. Even though this is a Node.js tutorial for beginners you can still relearn the basics and get a more structured understanding of Node.js framework. If you are a beginner Node.js developer than this is a wonderful opportunity to start learning Node.js from the ground up. In these Node.js tutorials you will first learn the theory and technical definitions behind the concept and then actually see an example of how it is used. The unique part of these Node.js tutorials is that each of them not only explains you the concepts but also explains you their purpose and why they exist in the first place. This in turn will give you a much broader understanding when you are working on your own projects or even products! One of the other things to expect from these Node.js tutorial series is that they will connect these simple concepts to the real life – meaning in each video you will learn about the best practices, dos and donts. Instead of just learning the theory you will also learn the practical application. I hope that this Node.js tutorial teaches you about callback function. Thank you for watching and being part of my journey! Thank you for watching and learning about callback functions, wish you all the best. Never stop improving! #NodeJS #Programmer #Coder #WebDeveloper #WebDevelopment #Coding #ComputerProgramming #AvetisG #ProgrammingTutorial #WebDev #Node #NodeDeveloper #Developer #NodeProgrammer #NodeJSProgrammer
Views: 10166 AvetisG Programming
PHP in Hindi   PHP Magic Methods in Hindi   sleep
 
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PHP in Hindi PHP Magic Methods in Hindi sleep
Views: 18 sonu madeshiya
Mariko Kosaka - Making a Robot Eye with JS or Magic of Computer Vision Unraveled - CascadiaFest 2016
 
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Have you ever wondered how computers see images? Do you want to work on an AR (Augmented Reality) project or build a NodeBot that can recognize and track your face? How about making your own Instagram-like app or finding similer images in Pinterest collection? When you work with an image as your data input, sooner or later you'll encounter the magic term Computer Vision. It can be intimidating to get started. At first, that led me to choose a common and powerful library that works like magic in an unfamiliar language (C++). It felt like the library was a black box and I had no control. I started to wonder, what is so magical about computer vision? After all it is just code someone wrote. Can we unravel it? and reconstruct in JavaScript?? The answer is YES. In this talk, we'll start by getting image data from canvas object, then transform the data to alter an appearance of the image. You will get insight into what data looks like to a browser (hint: it's just an array of numbers !). Next we’ll talk about how to interpret and analyze the data in a meaningful way. Finally, we'll apply what we learned and go through simple image analysis process to build your own AR app in vanilla JavaScript!
Views: 208 Cascadia JS
Anjana Vakil - Using and abusing Python’s double-underscore methods and attributes
 
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Anjana Vakil - Using and abusing Python’s double-underscore methods and attributes [EuroPython 2016] [21 July 2016] [Bilbao, Euskadi, Spain] (https://ep2016.europython.eu//conference/talks/using-and-abusing-pythons-double-underscore-methods-and-attributes) Python’s double-underscore ('`__`') methods and attributes go by many names, including “special”, “dunder”, and “magic”. You already use some, like `__init__`, but there are many more! In this talk, we’ll see how dunders can be useful, silly, dangerous, and fun! We’ll trick Python’s arithmetic and comparison operators. We’ll make objects behave like dictionaries and containers. We’ll reduce an object’s memory usage, and speed up membership tests. We’ll even try some naughty function hacks! ----- The curious Python methods and attributes surrounded by double underscores ('`__`') go by many names, including “special”, “dunder”, and “magic”. You probably use some of them, like `__init__`, every day. But that’s just the tip of the iceberg! In this talk, we’ll explore the weird and wonderful world of the double-underscore, and find out how dunders can be useful, silly, dangerous, and just fun! We’ll play pranks on Python’s builtin operators for arithmetic and comparison. We’ll make arbitrary objects behave like dictionaries and containers. We’ll reduce an object’s memory usage, and speed up tests for membership. We’ll even try some naughty function hacks that we should never use in real life! You'll get the most out of this talk if you're already comfortable writing object-oriented Python code. If you already use special dunder magic in your own code, that's excellent! You’ll have a chance to share your tips & tricks with the rest of the audience at the end of the talk. _Talk repo_: [https://github.com/vakila/dunders][1] [1]: https://github.com/vakila/dunders
Views: 8690 EuroPython Conference
Fuzzy Matching in JavaScript
 
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In this video, I show how to do fuzzy matching in JavaScript. This video is based on a blog post by Will McGugan at http://www.willmcgugan.com/2015/3/5/sublime-text-like-fuzzy-matching-in-javascript/.
Views: 3163 Webucator
Easy Way to Understand React's Component Lifecycle Methods
 
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Welcome to this deep dive on the react component lifecycle workflow. Now if you were relatively new to react then understanding reacts component lifecycle methods may seem a little bit confusing. And so that's what the goal of this guide and then the screencast is going to be, is I want to simply take all of the magic out of the process so that you can understand it. And by the end of it hopefully, you'll see that these methods are even pretty intuitive and you'll see how you can use them in your own projects. Now before we dive into the code and we walk through each one of the lifecycle methods what I want to do is I want to take a step back and I want to draw a real-world analogy for the way that component lifecycle methods made sense to me. And in order to do that we are going to take a drive to a fast food spot. Now you can pick out your favorite, I'm going to go with "In n Out". Anyone watching internationally may not know it. It's a delicious burger joint that I go to whenever I'm in a city that has it. We're going to use this trip to help have a high-level understanding of how these lifecycle methods work. So we're going to go to the drive-thru. But before we do that we first have to drive up to the restaurant as we do that. If you're anything like me you start trying to make up your mind on the kind of things that you're going to want to order. Well in react's world that is called the Mounting process. So what we're doing during the mounting process is we're picking out what kinds of data and processes need to occur when that component is going to load. So if it is some kind of page content type of component and we're getting data from some outside API then we need to implement all the processes that will occur so that when someone navigates to that component then we're putting the right steps in place so that the page will have content. That's the mounting process and it's that first stage kind of like when we're going to the drive-thru and we're starting to pick out what we want to order. So moving right along, we've pulled up to the drive-thru order window and we've placed our order, and that's all part of the mounting process. When we take in relation to react, so that's kind of like us going to a page and having the page load. Now, what happens if the voice coming at the other end says something like "Oh, that is not available today. You need to order something else." Well, we can change our minds and then we can give another order or we could update our order. Well, that is also a lifecycle method in react. So each time that you have a component that gets updated. So that could be as simple as someone typing into a form component or it could be something even more advanced like a WebSocket where you're getting live stream data into your application every time that happens a number of other lifecycle methods occur. So you have access at each stage of that lifecycle. So from the very beginning before the page and that component have even loaded all the way through to when you might need to make some live changes and it also comes into play with how react is so good at performance because during that update process even though you have access to all of the various workflows that are occurring when something has been updated react is very good at being able to tell the difference so in other words if you have a big page component and only one part needs to update. So if you have eight components on a page and only one of those needs to update in that lifecycle method only one component will need to be updated, so all the other ones remain the same. That's part of the reason why react if implemented properly has very solid performance. So we're almost done with the entire lifecycle. We have gone from the very beginning before we pulled up we decided what we wanted to order. We updated our order when we found out that they had some changes on the menu and then we drive up and we pay, and then we receive our food, and then we drive away. Well, that is called The Unmounting process so as you drive away there are a number of things that you do. Follow me: Twitter: https://twitter.com/jordanhudgens Instagram: https://www.instagram.com/jordanhudgens/ GitHub: http://github.com/jordanhudgens Show notes: https://rails.devcamp.com/comprehensive-react-development-tutorial/react-project-two-build-birthday-countdown-application/deep-dive-component-lifecycle-react Github link: https://github.com/jordanhudgens/ReactComponentLifecycleDeepDive React app builder: https://www.npmjs.com/package/devcamp-js-builder
Views: 7408 edutechional
Anatomy and Working of Callback / anonymous methods
 
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http://technotip.com/3663/callback-methods-anonymous-functions-jquery/ callback methods are very important for achieving asynchronous way of coding. Using callback methods nodejs achieve concurrency jQuery Video Tutorial List: http://technotip.com/2514/jquery-tutorial-list/ Node.js Video Tutorial List: http://technotip.com/3674/node-js-video-tutorial-list/
Views: 17545 Satish B
3 ways to use the google_tag_manager JavaScript object
 
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google_tag_manager is the magic command to access the GTM object in your JavaScript. With it you can access the internal data model GTM and access what is currently in the dataLayer through JavaScript. In this video I’m going to show 3 advanced ways how you can utilize the GTM object in your tag deployment. Commands used: google_tag_manager[“GTM-XXXXX”].dataLayer.get(“DLKEY”) google_tag_manager[“GTM-XXXXX”].dataLayer.get(“gtm.element”).getAttribute(“ATTRIBUTENAME”) google_tag_manager[“GTM-XXXXX”].dataLayer.get(“gtm.element”).matches(“CSSSELECTOR”) 🔗 Links: Google Tag Manager's Data Model (Simo Ahava): https://www.simoahava.com/analytics/google-tag-manager-data-model/ 🎓 Learn more from Measureschool: http://measureschool.com/products 🔀 GTM Copy Paste https://chrome.google.com/webstore/detail/gtm-copy-paste/mhhidgiahbopjapanmbflpkcecpciffa 🚀Looking to kick-start your data journey? Hire us: https://measureschool.com/services/ 📚 Recommended Measure Books: https://kit.com/Measureschool/recommended-measure-books 📷 Gear we used to produce this video: https://kit.com/Measureschool/measureschool-youtube-gear 👍 FOLLOW US Facebook: http://www.facebook.com/measureschool Twitter: http://www.twitter.com/measureschool LinkedIn: https://www.linkedin.com/company/measureschool
Views: 1484 Measureschool
Javascript By Example L1E04 - Operators, All Clear with Arrow Functions
 
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Full Javascript By Example Series Playlist https://goo.gl/7ZF5TR Episode 4 we will continue plugging in more code for the operators and the AC button (All Clear), and introduce the arrow functions in the process. Source Code: https://github.com/hnasr/javascript-by-example/tree/L1-Episode04 Stay awesome Hussein
Views: 179 IGeometry
flatMap - Functional JavaScript - Supercharged
 
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In this mini series, Surma introduces you to the various functional methods that JavaScript Arrays have to offer. In this episode: flatMap! If you have questions or suggestions, reach out on Twitter! Surma → https://twitter.com/DasSurma Take a look at the Supercharged Micro Tips playlist here → http://bit.ly/2MEVyYw Subscribe to the Chrome Developers channel → http://bit.ly/ChromeDevs1
Building Star Rating in PHP Using JQuery And AJAX | Simple Example 🔥🔥🔥
 
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Don't forget to Hit the Subscribe Button Below: https://goo.gl/FZkVrR ---------------------------------------------------------------------------------------------------------- Like & Dislike Rating System with jQuery, Ajax and PHP | Simple Example like facebook and Youtube : Click here : https://www.youtube.com/watch?v=48jI5I9A2eQ&t=41s Topic Introduction:- Rating system is very useful when it comes to knowing what your audience think of your contents. And it’s just not about only contents, users rate different products based on star rating in PHP. This not only allows to differentiate how good or bad a product is, but it also helps owner to understand drawbacks in the product. Most of the websites, eCommerce stores in particular have implementing this feature to obtain customer reviews through it. It not only gives better understand of customers’ needs, but also help to understand whether the product meets customer expectations or not. Source Code: for source code Please leave your email id in the comment box. --------------------------------------------------------------------------------------- Learn New Technologies -- Visit Our Channel -- https://www.youtube.com/tutorialspoint2016 1) CodeIgniter Mini Project Tutorial in Hindi/Urdu Using Angular JS & Boostrap 3 : https://goo.gl/FSwsJ4 2) Codeigniter Tutorial for Beginners Step by Step in Hindi : https://goo.gl/bxG6gJ 3) PDO-OOP-PHP-CRUD-with-Bootstrap : https://goo.gl/q1KRTn 4) AngularJS Tutorial for Beginners (For Absolute Beginners ) : https://goo.gl/Hak26N 5) JSON Tutorial for Beginner : https://goo.gl/ryPu35 6) Git and GitHub Training In Hindi : https://goo.gl/HpToSd 7) Java Tutorial For Beginners (Step by Step tutorial) : https://goo.gl/QxJ68x 8) PHP Tutorial for Beginners (For Absolute Beginners) : https://goo.gl/S3urkU 9) OOPS Tutorial for Beginners in PHP : https://goo.gl/k2kJDM 10) Bootstrap Tutorial for Beginners : https://goo.gl/NGFDse 11) Magic Methods in PHP Tutorial : https://goo.gl/BdYLfJ 12) Build a PHP MVC Application : https://goo.gl/yqDCkb 13) Whats new in PHP 7 | (Introduction) : https://goo.gl/rTTKkr 14) CRUD with PHP and MySQLi Tutorial : https://goo.gl/yyjWD7 15) Technology Tips and Tricks : https://goo.gl/MpR952 16) MongoDB Tutorial for Beginners (Hindi) : https://goo.gl/NZXD1u --------------------------------------------------------------------------------------------- For any queries feel free to comment or send a mail on [email protected] You can connect with us in social Media :- facebook : https://www.facebook.com/TechnicalSunejaji/ Want to Join : https://www.facebook.com/groups/1981858225403035/ Don't forget to hit the Subscribe & Like button! ------------------------------------------------------------ #StarRating #SimpleExample
Views: 1583 Technical Suneja
5: Properties & Methods In OOP PHP | Object Oriented PHP Tutorial Course | PHP Tutorial | mmtuts
 
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Properties And Methods In Object Oriented PHP Programming | OOP PHP Tutorial | Learn OOP PHP. In this PHP tutorial you will learn about properties and methods in classes, when it comes to object oriented PHP programming. ➤ GET ACCESS TO MY LESSON MATERIAL HERE! First of all, thank you for all the support you have given me! I am really glad to have such an awesome community on my channel. It motivates me to continue creating and uploading content! So thank you! I am now using Patreon to share improved and updated lesson material, and for a small fee you can access all the material. I have worked hard, and done my best to help you understand what I teach. I hope you will find it helpful :) Material for this lesson: https://www.patreon.com/posts/oop-php-lessons-26928726
Views: 35067 mmtuts
108 toString Magic Function
 
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للمزيد http://www.masryweb.com Free HTML CSS JavaScript DOM jQuery XML AJAX RSS ASP .NET PHP SQL tutorials, references, examples for web building. Free tutorials on HTML, CSS and PHP - Build your own website - Free tutorials on HTML, CSS and PHP - Build your own website toString Magic Function
Views: 187 masry web
PHP Tutorial - 39 - Setters and Getters
 
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Facebook - https://www.facebook.com/TheNewBoston-464114846956315/ GitHub - https://github.com/buckyroberts Google+ - https://plus.google.com/+BuckyRoberts LinkedIn - https://www.linkedin.com/in/buckyroberts reddit - https://www.reddit.com/r/thenewboston/ Support - https://www.patreon.com/thenewboston thenewboston - https://thenewboston.com/ Twitter - https://twitter.com/bucky_roberts
Views: 27028 thenewboston
PHP OOP & MySQLi Lesson 8:  Magic Methods (Urdu/Hindi)
 
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If you already know PHP Procedural or PHP Basic programming then it's the right time for you to start learning PHP OOP. OOP is paradigm which is widely used in a lot of application domains. After learning OOP PHP, you will be able to build websites with large scope. Facebook: https://www.facebook.com/assadullahch/ Official Website: https://proetutor.com Want to buy my courses? Contact WhatsApp: +92 332 4737443 Mobile: +92 332 4737443
Views: 1132 AssadUllahCh
Advanced PHP Closed Captioned - Magic Methods, Getters and Setters Part 4
 
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http://www.killerphp.com/ - This is part 4 in a closed captioned video tutorial series where we teach you how to use Magic Methods to cut down a lot of redundant code in your application. From our Advanced PHP Course. We are happy to announce that we are well on our way to closed captioning all of our web design and web programming related video training courses. We've only made part of our content available for free. For the rest, check out our Killer Video Store or our Video Tutorial Library at Killersites.com! http://www.killervideostore.com/ http://www.killersites.com/university/ http://www.killersites.com/community/ http://www.killerphp.com/
Views: 1137 Stefan Mischook
JAVASCRIPT Tutoriral : Javascript math ceil method
 
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Both floor and ceil function are confused for beginner. So, user can not work it properly. So to use this function properly visit to CodeSnipr to get full information about this article. CodeSnipr tutorial introduces video tutorial where beginner can easily get clear idea about ceil and floor. http://www.codesnipr.com/snippet/536/Javascript-math-ceil-method
Views: 651 jswizard1
Control Panel Flyout Menu Windows JavaScript CSS Animations
 
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Lesson Code: http://www.developphp.com/video/JavaScript/Control-Panel-Flyout-Menu-Windows-Animations Using the code examples supplied you can see how control panel menu flyout windows are animated into view using your custom control panel button. We use a combination of simple CSS and JavaScript to make the toggle magic happen very easily.
Views: 54485 Adam Khoury