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SEARCH KEYWORD -- INTERNET SECURITY

  Cache them if you can

“The fastest HTTP request is the one not made.” I always smile when I hear a web performance speaker say this. I forget who said it first, but I’ve heard it numerous times at conferences and meetups over the past few years. It’s true! Caching is critical for making web pages faster. I’ve written extensively about caching: Call to improve browser caching(lack of) Caching for iPhone Home Screen AppsRedirect caching deep diveMobile cache file sizesImproving app ...

   Cache,HTTP request,Websiite     2012-03-27 12:54:02

  Writing great JavaScript

I probably could have named this post something like “Writing clean, validating and portable JavaScript”, 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

  Something you may not know about Shell

Shell is also called command line interface, it is the interface between *nix users and computer. Shell is a program which provides service to access OS kernel services. This article is to introduce some not so well known but useful and interesting knowledge about shell. Wiki shell was born almost at the same time as Unix. The first UNIX shell was written by Ken Thompson in 1971 and its name is Thompson sh. It's older than Linux kernel. The default Shell in most *nix and MacOS is bash, bash was...

   Linux, Unix,Shell,Command     2012-11-24 07:19:47

  Cripple Pachebel's Canon on Matlab

What can Matlab do? What the following Matlab code does is playing the piano music of Cripple Pachebel's Canon. You can have a try if you have Matlab installed on your computer. % Cripple Pachebel's Canon on Matlab % Have fun fs = 44100; % sample rate dt = 1/fs; T16 = 0.125; t16 = [0:dt:T16]; [temp k] = size(t16); t4 = linspace(0,4*T16,4*k); t8 = linspace(0,2*T16,2*k); [temp i] = size(t4); [temp j] = size(t8); % Modification functions mod4 =...

   Matlab,Programming,Canon,Music     2012-05-16 11:55:13

  â€œNative vs Web” Is Total Bullshit

The web is dead. HTML5 is the be-all end-all of the future. Users are spending more time on apps and less time on the web. You can do anything on the web that you can in a native app. Yawn. Here’s how I feel whenever I hear/read anything about the overplayed “Native Versus Web” argument: It’s not an either-or decision Why aren’t we still arguing over “Print vs Digital”? Well, because (most) people understand that each medium has its place in thi...

   Web app,Native app,Comparison     2012-02-24 05:30:03

  Click and Drag on xkcd

xkcd is a webcomic created by Randall Munroe. The comic's tagline describes it as "a webcomic of romance, sarcasm, math, and language." Also some webcomics about IT may frequently appear on it. For example, the following one-- People who know Unix will understand it easily. In fact, xkcd is a Geek culture, many comics inside this site can only understood by some specified group of people. The comic began in September 2005 when Munroe decided to scan doodles from hi...

   xkcd, 1110,Click and Drag     2012-11-05 11:23:19

  10 Great Tips On How To Become A Successful Android App Developer

Android operating system is very popular among people and makes app development for Android market fruitful. There are many professionals who are trying to come up with great ideas and create great apps, but not all of them are really dealing with it. So, what do you need to become a successful Android-apps developer? What You Need for Becoming an Android App Developer 1. Acquire technical skills. You must know the necessary tools to become an Android app developer. You do not actually need to ...

       2017-08-19 00:53:37

  An Object is not a Hash

Following my article A String is not an Error, I want to bring attention to an issue that similarly applies to JavaScript in general, but has special relevance in the Node.JS environment. The problem boils down to the usage of {} as a data-structure where the keys are supplied by untrusted user input, and the mechanisms that are normally used to assert whether a key exists. Consider the example of a simple blog created with Express. We decide to store blog posts in memory in a {}, indexed ...

   Object,Hash,Node.js,JavaScript     2012-01-19 10:16:10

  Misunderstanding about Android UI design

A few days ago I wrote a post trying to correct a lot of the inaccurate statements I have seen repeatedly mentioned about how graphics on Android works. This resulted in a lot of nice discussion, but unfortunately has also lead some people to come up with new, novel, and often technically inaccurate complaints about how Android works.These new topics have been more about some fundamental design decisions in Android, and why they are wrong. I’d like to help people better understand ...

   Android,UI,Priority,Background job,Smooth     2011-12-09 02:30:25

  Diving Deeper into HTML5 Offline Browsing

Recently, I published an article on one of the new features in HTML 5 called Offline Browsing  in HTML5 with ApplicationCache.The response to that article was good, and I was asked to expand on some further points including:how to decide on what files to cachethe implications of caching those filesdebugging the ApplicationCacheSo, that’s where this article will start: where the last one finished.  If you haven’t, you should probably read the previous article before this o...

   HTML5,Offline browsing,New breakthrough,Feature     2011-12-20 08:46:06

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