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  Some thoughts about competitive programming

Many programmers may have experience in participating different kinds of coding competition while they are in college. Many of them are hired by top IT companies for their excellent performance during these kinds of coding competitions. There are some famous competitions organized by IT companies such as Google Code Jam, Facebook hackathons etc. Coding competitions are places where programmers can show their talents in programming and the skills they have. Usually programmers will solve some to...

   Coding,competition     2014-03-02 07:26:21

  Let Your Programmers Be Silly

6Share You’re in the middle of a crazy startup development sprint. Pressure is sky high as you might have to fire everyone if you don’t generate significant traction over the next 4 months. Make it or #fail situation. The guys (I wish we’d have girls but … wait we have a student, anyway) are killing tickets and you’re pretty much on the target you’ve set with your investors. Not comfortably confident but ok. And you catch your guys debating, f...

   Programmer,Style,Management,Work     2012-01-29 04:31:56

  Tips on Writing for Tech Blogs

If you know your stuff when it comes to tech, you might be inspired to start contributing articles to tech blogs. A friend or colleague may suggest the idea to you, or you may see an invitation for submissions, much like the one on this website. Sounds like a great idea; but what do you know about writing articles, blog posts, or other types of content? Writing is a skill, and there are also practical aspects to writing that you need to be aware of before you start creating your own pieces. Gett...

   TIPS,TECH BLOG     2019-01-14 09:25:07

  Cool HTML5 matrix effect

Do you still remember the movie The Matrix? Do you still remember the cool matrix effect in that movie? How is that effect achieved? Shaun Dunne shared a piece of HTML5 code which displays a cool matrix effect. The matrix demo can be found here. Below is the code which he achieves this effect: with var s = window.screen; var width = q.width = s.width; var height = q.height = s.height; var letters = Array(256).join(1).split(''); var draw = function () { q.getContext('2d').fillStyle='rgba(0,0,...

   Matrix,HTML5     2013-08-14 08:03:34

  Install multiple versions of Go

As a developer, there might be need in some cases to have multiple versions of Go installed. One may test out some new features of the latest version of Go but also wanna maintain a stable version of Go for daily development purpose. How to maintain multiple versions of Go? The GoLang official website has provided a way to maintain multiple versions of Go by using go get to install the different versions of Go. Below are steps: Download a normal version of Go and install it Go to the Go release...

   MULTIPLE VERSION,GO BINARY,GO VERSION     2021-05-16 02:01:46

  Online Branding Tips for Small Businesses

Although an aspect ignored by many people who venture into the business sector, building a brand with a strong online presence may be one of the small details which can improve your performance significantly in the long run. Having said that, in this article, we’ll explore a few different online marketing and branding strategies and tips to help you build a stronger brand online.        #1 Build an identity When people hear about the name of your business, the...

   BRANDING,SOCIAL BUSINESS     2019-05-16 07:38:25

  Crazy: 90 Percent of People Don't Know How to Use CTRL+F

This week, I talked with Dan Russell, a search anthropologist at Google, about the time he spends with random people studying how they search for stuff. One statistic blew my mind. 90 percent of people in their studies don't know how to use CTRL/Command + F to find a word in a document or web page! I probably use that trick 20 times per day and yet the vast majority of people don't use it at all."90 percent of the US Internet population does not know that. This is on a sample size of thousa...

   Ctrl-F,Shortcut,Common knowledge,Confusi     2011-09-02 11:16:48

  Differences between bashrc and profile in Linux

After login to a Linux system, the command console will show up with a prompt label such as # or ~, a shell command can be typed after this prompt and the system can execute the command thereafter. All these operations are handled by shell. Shell is a command language interpreter that executes commands read from the standard input device (keyboard) or from a file. There are different types of shells such as bash, ksh, csh etc. The most commonly used of them is bash and it's also the de...

   LINUX,PROFILE,BASH,BASHRC,.BASHRC,.PROFILE     2016-11-05 22:17:51

  Build route graph of Hurricane Sandy

Hurricane Sandy swept US east side and landed in New York, it killed 113 persons and incurred 50 billion US dollars economic loss. Sandy is also considered as the most expensive hurricane. We will now use matplotlib and basemap libraries in Python to build a route graph of Sandy. Below is the animated GIF. Shadow is added in the graph to show the time at night, we can see from the graph that Sandy stayed a while in Panama after emerging, then it went through Cuba and became Hurricane-2. Late...

   Hurricane Sandy,Route graph,Python     2012-11-17 07:58:13

  Create animated refresh button in Android

In Android, we can have drawings on a button, also we can put animated drawings on a button as well. Today we will show how to create an animated refresh button with an animated spinner on it. We need to create an animated drawing first. Here we name it as progress.xml and put it in the res/drawable folder: <?xml version="1.0" encoding="utf-8"?><animation-list xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/spin_refresh" android:oneshot="fal...

   Animation,Spinner,Refresh button,Android     2012-11-02 11:51:41

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