SEARCH KEYWORD -- Function call
Chrome extension to display desktop notification
Have you ever thought about writing extension for web browsers so that we can complete some tasks easily. Do you think writing extension for browsers is very difficult? You have no clue where to begin? On Chrome, this isn't any problem now as long as you know how to write HTML,CSS and JavaScript. We will show one example of Chrome extension today. The extension will display a desktop notification on your desktop. You need to create two files here, one is the notification.json which is the config...
Chrome extension,Desktop notification,Example 2013-06-29 22:23:51
A simple tutorial on writing Java native program
Java provides Java Native Interface(JNI) to enable developers to write programs which can utilize the underlying native libraries of the operating system. The benefits of writing native code are that they normally provide better performance compared to Java codes. Sometimes if you want to utilize some system specific functions you may also want to use JNI. One main drawback of writing native code is that your application may not be platform independent anymore. This is not what Java is desi...
Java native interface, JNI, Native code, Sample 2015-08-15 08:28:15
PHP to Objective C, where the f**k are parameters?
Javascript, PHP, Ruby functionsI assume you are very familiar with declaring functions in any of the languages above, if not, you should not be reading this. Let’s begin with a simple function to send email in these languages:// PHP or Javascript do_send_email (recipient, cc, subject, body); // Ruby do_send_email (recipient, cc, subject, body)So it’s clear by looking at the function’s signature that it takes 4 parameters and they could be optional, depends on your imple...
Objective-C,PHP,JavaScript,Parameter,Function name 2012-01-16 09:46:09
Binary tree iterator algorithm
Binary tree pre-order,in-order and post-order traversal are basics in algorithm and data structure.And the recursive binary tree traversal is a classical application of recursion. We define a binary tree node as : // C++ struct Node { int value; Node *left; Node *right; } In order binary tree traversal can be: // C++ void inorder_traverse(Node *node) { if (NULL != node->left) { inorder_traverse(node->left); } do_something(node); if (NULL != node->righ...
Binary tree,Iterator,Traversal 2013-07-14 21:51:09
Should we use Abstract class or Interface?
When we write programs, we may often get into a situation where we don't know whether we should use Abstract class or Interface when we want to define an abstract object. These two are very similar and they are interchangeable in many cases. On Stackoverflow, this question is asked lots of times and it's related to many programming languages. Also in the official documentation of PHP regarding the Abstract class and Interface, people are arguing about this. To understand this question, their dif...
DIFFERENCE,INTERFACE,ABSTRACT CLASS,COMPARISON,OOP 2013-04-15 11:44:36
Writing great JavaScript
I probably could have named this post something like “Writing clean, validating and portable JavaScriptâ€, but that would be no where near as catchy. The problem with “great†is it means different things to different people. I am going to show you my idea of great which may differ from many developers views, but I hope it helps someone improve their code. So what’s the point in this, why can’t you just carry on writing JavaScript as you have been for a...
JavaScript,Great,Clean,Tips 2012-03-24 05:18:12
Simple Animation in the HTML5 Canvas Element
HTML5 is generating all kinds of buzz these days. Some of the buzz is about HTML5 being a replacement for Adobe’s Flash. I don’t think it’s there yet but it’s certainly on the way to changing the way content is presented on the web. This is a description of a very simple animation in an HTML5 canvas element. It is coded for readability and not for optimized operation. We’ll add a canvas element to a web page and then use javascript to draw on it. We will...
HTML5,Canvas,Animation,Sample code 2011-07-01 10:20:08
Function Pointers in C are Underrated
The function pointer in C is, in my opinion, one of the most ignored gems of the language. It’s the kind of feature you rarely need, and then suddenly, one day, you find yourself in dire need of it, as evidenced by the real-life use-case below. If you don’t know what a function pointer is in the first place, here’s the meat of it: it gives you the ability to pass a function around like a normal variable. If you know Python / Ruby / Lisp, you might know it by the name...
Useful functions to provide secure PHP application
Security is a very important aspect of programming. There are many functions or modules in any kind of real programming language providing security functionalities In modern websites, we may often get inputs form users all around the world.There is a famous saying which says that never trust user input. So in web programming languages, we will often see functions which will guarantee the security of the data input from users. Today we will cover some of these functions in the most famous o...
PHP,security,SQL Injection,XSS,AJAX 2014-10-30 04:21:59
Some short code snippets which use all JavaScript keywords
In JavaScript, keywords are reserved and cannot be used as variable or function names. For example void, function and this are JavaScript keywords, they are keywords which are reserved for special use. Here is list of the keywords in JavaScript. We also show you some short code snippets which use all the keywords in JavaScript.void function() {//abcd do break;while(typeof delete this); for(var a;;) if (true) with(null) try{}catch(a){}finally{} else throw new 1;&nbs...
Code snippet,JavaScript,keyword 2012-07-16 12:12:05
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