SEARCH KEYWORD -- Default arguments
Valid JavaScript variable names
Did you know var π = Math.PI; is syntactically valid JavaScript? I thought this was pretty cool, so I decided to look into which Unicode glyphs are allowed in JavaScript variable names, or identifiers as the ECMAScript specification calls them. Reserved words The ECMAScript 5.1 spec says: An Identifier is an IdentifierName that is not a ReservedWord. The spec describes four groups of reserved words: keywords, future reserved words, null literals and boolean lite...
JavaScript,Name convention,Standard 2012-02-22 05:16:53
Building the new AJAX mail UI part 2: Better than templates, building highly dynamic web pages
This is part 2 of a series of technical posts documenting some of the interesting work and technologies we’ve used to power the new interface (see also part 1, Instant notifications of new emails via eventsource/server-sent events). Regular users can skip these posts, but we hope technical users find them interesting. As dynamic websites constructed entirely on the client side become de rigueur, there are a number of templating languages battling it out to become the One True Wayâ„...
Web design,Dynamic,Ajax,UI 2012-02-21 05:32:29
Optimization Tricks used by the Lockless Memory Allocator
With the releasing of the Lockless Memory Allocator under the GPL version 3.0 license, we can now discuss more of the optimization tricks used inside it. Many of these are things you wouldn't want to use in normal code. However, when speed is the ultimate goal, sometimes we need to break a few rules and use code that is a little sneaky.The SlabA slab is a well-known technique for allocating fixed size objects. For a given object size, a chunk of memory is divided up into smaller regions of that ...
Optimization,Memory allocation 2011-11-16 08:02:16
An open letter to those who want to start programming
First off, welcome to the fraternity. There aren’t too many people who want to create stuff and solve problems. You are a hacker. You are one of those who wants to do something interesting. “When you don’t create things, you become defined by your tastes rather than ability." – WhyTheLuckyStiff Take the words below with a pinch of salt. All these come from me – a bag-and-tag programmer. I love to get things working, rather than sit at something and over-o...
Programming,Tips 2011-06-09 23:45:45
Understand JavaScript prototype
For an front end programming language like JavaScript, if we want to understand its OOP feature, we need to understand its objects, prototype chain, execution context, closure and this keyword in deep. If you have a good understanding on these concepts, you should be confident that you can handle this language well. The inheritance in JavaScript is not class inheritance like Java, but it adopts another mechanism-- prototype inheritance. The key to prototype inheritance is the prototype chain mec...
JavaScript, prototype, __proto__ 2013-02-02 02:34:09
An open letter to those who want to start programming
First off, welcome to the fraternity. There aren’t too many people who want to create stuff and solve problems. You are a hacker. You are one of those who wants to do something interesting. “When you don’t create things, you become defined by your tastes rather than ability." – WhyTheLuckyStiff Take the words below with a pinch of salt. All these come from me – a bag-and-tag programmer. I love to get things working, rather than sit at something and over-o...
Tips,Programming,C,C++,Java,Skill,Develo 2011-08-11 11:24:50
Writing Java codes conforming to coding standard
Recently, I was doing some cleanup to one of my current Java project. I find there are many codes which are not conforming to the Java coding standard. So I list them here and hope that people can improve your codes and write maintainable codes. Format source code and manage imports in Eclipse Eclipse provides functions of auto-formatting and imports management, you can use following shortcuts to use these functions. Ctrl+Shift+F --> Format source code Ctrl+Shift+O -- Manage imports an...
Java, Code standard,Style 2012-09-18 12:50:28
A Guide on Creating a Magento 2 Extension
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MAGENTO, MAGENTO 2,MAGENTO 2 MODULE CREATOR 2016-02-29 03:08:08
What I learned from a month of blogging and 250k visits
Roughly a month ago, I decided to give blogging another try, in earnest. I put out an article most days and up to 3 per day when I was experimenting with new channels.It has been fascinating.That being said, this is not a post about blogging tactics. It’s about what the experience has taught me about startups.Find the customers first, then build for themIt took me a long time to understand YC’s motto that you should:Make something people want.The first time I heard that, ...
6 Tips to Help You Build a Great Web Application
Web applications are a little more challenging to design than websites. Designers need to anticipate user behavior, make users’ lives easier and make the experience as visually appealing as possible. Many designers tend to do what is easier for them than think about what’s easier for the user. The following is a small list of tips that designers often overlook in the process of designing a web application.1. The Power of a Good TooltipWhen you present your web application to a...
Web design,Mobile device,Library,Style 2011-11-25 03:02:11
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