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  Shortest command on Linux

Usually when we log in to a Linux system,. we may type some frequently used Linux commands such as pwd,ls, ps etc. All these commands are really simple but powerful with different options. But do you know what is the shortest command on Linux? The answer is w. According to Linux manual, w will show who is logged on and what they are doing on the system. w displays information about the users currently on the machine, and their processes. The header shows, in this order, the current time, how l...

   Linux,w,shortest command     2014-04-30 11:07:38

  Some Features of Windows 10 You Didn’t Know About

Since the launch of Windows 10 everyone around the world is crazy about it. No one wants to use the old Windows 7 and 8 anymore. Windows 10 is simple, light and has all the great features. The interface is awesome and gives it a techy look as well. Well, what if we told you that there are still some features of this great OS that are yet to be discovered? Yes, that is right. Today we will be discussing a few of the features that are not commonly known to people. Secret Start Menu That is right, ...

   WINDOWS 10, WINDOWS 10 FEATURES     2020-04-17 03:26:58

  Top 5 Hot WordPress Social Media Plugins

Social media has become a great need for businesses as well as personal brands in order to carve a vital presence over web. It has become necessary for everyone to have an energetic presence in social networks like Facebook, Twitter, Linkedin, and Youtube etc. Having a great virtual persona, you can be in constant touch with your followers. If you are using a platform like a WordPress then there is a great pool of social media plugins. Some of its plugins are free to download and others are paid...

   Custom WordPress Development     2015-07-10 00:21:57

  JShell -- The command line tool to run Java code in Java 9

Java 9 is currently a work-in-progress and is planned to be GAed in March 2017. Quite a few new features will be introduced in the new release. The coolest feature is project Jigsaw which is to modularize the Java packages so that a customized JDK can be built and shipped with only the necessary modules to fulfill their project requirement. Apart from this feature, another big new feature is project Kulla -- JShell. In simple, JShell is a command line tool which can be used to run...

   JAVA 9,JSHELL,KULLA     2016-04-01 21:46:48

  Full disk encryption is too good, says US intelligence agency

You might be shocked to learn this, but when a quivering-lipped Chloe from 24 cracks the encryption on a terrorist’s hard drive in 30 seconds, the TV show is faking it. “So what? It’s just a TV show.” Well, yes, but it turns out that real federal intelligence agencies, like the FBI, CIA, and NSA, also have a problem cracking encrypted hard disks — and according to a new research paper, this is a serious risk to national security.The study...

   FDE,Full disk encryption,Crack,Difficulty     2011-11-19 01:55:17

  Facebook hires all Pieceable employees

Facebook recently hired all employees from Pieceable, a web service provider which lets iOS app publishers deliver their apps to the browser and preview their apps in the browser. Facebook claimed that they didn't acquire Pieceable, they just hired their employees. Now Pieceable service is shut down. Currently there are around 800000 app demos on Pieceable, developers can try and show off their iPhone or iPad applications by putting their apps on Pieceable's web service. What Facebook did disapp...

   Facebook,Pieceable,Hire,Mobile     2012-06-12 05:13:56

  A simple example of git bisect command

git bisect is a very powerful command for finding out which commit is a bad commit when bug occurs.  The rationale behind this command is that it pin locates the bad commit by divide and conquer. It divides the commit history into two equal parts, then determines whether the bad commit is at the first half or at the other half. This process will continue until the bad commit is located. Here is a really good example created by bradleyboy, this is a simple git repository which demonstr...

   GITHUB,GIT,GIT BISECT     2019-07-12 10:31:51

  A boolean value interview question

Someone asked a question on StackOverflow, he was asked an interview question. The question is : Given 3 boolean variables a, b, c, return true if at least 2 out of the 3 are true. He gave the solution as follows :boolean atLeastTwo(boolean a, boolean b, boolean c) {    if ((a && b) || (b && c) || (a && c)) {        return true;    } else {        ret...

   bool,return,expression,conditional     2012-04-30 08:49:32

  Using keytool to create certificate chain

JDK provides a command line tool -- keytool to handle key and certificate generation. This tool has a set of options which can be used to generate keys, create certificates, import keys, install certificate and export certificates etc. In this tutorial, we will show how to create certificate chain using keytool. If you want to understand how to create certificate chain programmably, please refer to Generate certificate in Java -- Certificate chain. To begin, we first generate a key pair whi...

   JAVA,KEYTOOL,CERTIFICATE CHAIN,CERTIFICATE     2015-12-17 07:09:33

  Macro to change text color conditionally in Excel

Macros are small but very powerful VBA programs in Microsoft Office software. They can help us complete some repeated tasks automatically. Today, I will show you one macro example which is to change the text color conditionally. The excel file has a work sheet which contains some records of request. I want to check the status of each request, if the status of a request is approved, the text color of the status should be green; if the status of a request is rejected, the text color of the status ...

   Macro,Excel,Text color,Conditionally     2012-07-07 12:53:28