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  Implementation of +,-,*,/ with bitwise operator

There is a question asked on Stackoverflow : Divide a number by 3 without using *,/,+,-,% operators. This question is an Oracle interview question. Some people give excellent answers. You can go there and take a look. Usually we need to use bitwise operators to do this kind of implementations. Here I want to show you ways to implement +,-,*,/ with bitwise operators. A bitwise operation operates on one or more bit patterns or binary numerals at the level of their individual bits. It is a fast, pr...

   Bitwise operator,Shift,Add,Subtract,Multiplication,Division     2012-08-05 01:52:47

  CSS Animation vs. JavaScript: Which One Is Better?

You know that there are two ways of creating animations on the web: with CSS and JavaScript. And, their selection completely depends on the dependencies of the project. But many web developers hold a wrong perception that CSS is the only way of creating the animations. In fact, CSS has established as the most pampered system of the web development industry and most of the developers recommend it because it is mobile-friendly and powerful system. No doubt CSS is good, but JavaScript is the best....

   CSS animation, JS animation     2015-07-24 02:45:01

  Deploy the political campaign with all guns blazing through predictive dialer

The US Presidential election 2016 is turning out as more of a global event day by day, as it’s going to influence numerous countries around the world in one or other way. It is getting more and more intense as D-day is coming closer. You can experience the energy in candidates’ vociferous debates, where they put forward their agendas, their point of views, which give us the glimpse of their philosophy and their vision towards the betterment of the country. Whether it is Democratic o...

   AUTO DIALER,PREDICTIVE DIALER,CLOUD AUTO DIALER,POLITICAL     2015-09-28 12:33:14

  Should a startup focus on good user experience or ship something out quickly?

For a startup, there are always arguments about whether to build a good experience or instead ship something workable out quickly. These two seem contradict with each other and it is usually hard to decide for many startup founders. But in order to win over competitors and gain large portion of market shares as soon as possible, founders must think fast and make their life change decisions. So how should we decide whether we should focus on good user experience or we should ship out the product...

   User experience,Startup     2014-01-20 06:48:28

  Learn from Haskell - Functional, Reusable JavaScript

Learn You a Haskell: For Great Good? For the last couple months I have been learning Haskell. Because there are so many unfamiliar concepts, it feels like learning to program all over again. At i.TV, we write a lot of JavaScript (node.js and front end). While many functional/haskell paradigms don’t translate, there are a few techniques that JS can benefit from. There are Haskell library functions for everything. At first I thought this was just because it was mature, but then I notice...

   JavaScript,Haskell,Functional,Reusability,Feature     2012-02-21 05:30:51

  About JavaScript source map

Last week jQuery 1.9 was released. This is the last release before jQuery 2.0. It adds many new functions, one of them is the source map. By accessing http://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js , you can scroll to the last line and you will see below line : 　//@ sourceMappingURL=jquery.min.map This is source map, it is a separate file and it is put at the same directory as the source file. You can click here and see what it looks like. It's an very useful functio...

   Source map, JavaScript, jQuery     2013-02-01 07:06:44

  Apple investigating new iPad WiFi issues, tells AppleCare to replace affected units

According to an internal AppleCare document, Apple is actively investigating a series of WiFi-related issues affecting the third-generation iPad. Since the new iPad’s launch, many users have been complaining about third-generation iPad WiFi issues ranging from connection drops, slow download and upload speeds, or the device’s inability to even pickup local WiFi networks. A thread discussing the issue exists on Apple’s online support forums has almost amassed 700 repl...

   Apple,iPad,Wifi,Hardware issue     2012-04-06 01:37:59

  What happens on the Internet in one minute?

In one minute, 216,000 images are shared on Instagram, $83,000 sales happen on Amazon, 1.8 million Likes are clicked on Facebook, also 72 hours videos are uploaded to YouTube. This image is from Omee and it shows us what happens on the Internet in one minute. For example, how many Tweets are posted, how many pictures are viewed, how many minutes communication through Skype. The data on the graph is from PC Mag, Business Insider and other websites. In one minute, 2 million searches on Google, 70...

   Infographic,60 seconds,Internet     2013-08-01 06:47:51

  What does a contemporary web developer need to know?

The early ages of web era mainly consisted of webpages of text and links. At that time,Netscape was the still dominant of web browser market. As a web developer, you could develop web apps(or better to call web pages) easily with knowledge of HTML only. But with the evolution of web, new technologies came out, we can see more robust web apps around us everywhere. Today as a web developer, the ability to run and configure a web server and edit HTML to create some simple web pages has lost almost ...

   Web design,Advice     2013-12-20 06:31:51

  Why PHP is (so much) better than Ruby?

I attended this weekend my first Ruby conference, Ruby Lugdunum in Lyon. Besides cool talks and the fun of meeting people like Nick, Blake, or Laetitia, my friend Camille & I did a surprise lightning talk about how PHP is better than Ruby. Here are the slides and a more detailed transcript: A lot of free hosts: it’s easy to find a PHP host, you just have to google “free php host” and you find a ton of free PHP/MySQL hostsBigger community: The PHP community is really huge,...

   PHP,Ruby,Comparism,Difference,Advantage     2011-06-29 08:34:12

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