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  Vine video sharing drops significantly

According to Sina Tech, social media analytics site Topsy data shows that Vine's short video sharing has dropped significantly since Facebook's photo sharing service Instagram launched the video sharing feature.Instagram co-founder Kevin Systrom announced on Thursday that Instagram supported short video sharing. Vine was once called the Instagram in video sharing world, but now, Instagram has launched its own 15-second short video sharing feature for its 130 million users.Vine, was acquired by T...

   Vine,Instagram,Twitter,topsy     2013-06-24 00:16:32

  Interesting Hello World

Hello world is the beginning of everything. When you first learn a new programming language, the first program you write is to print the "Hello world" string on the console with that language. For example: So who invented "Hello world"? It's Brian Kernighan, a canadian computer scientist and author of The C Programming Language and The Unix Programming Environment. In his books, he used to write "Hello world" which changed the whole world. Also programmers like to use foo and bar as variable n...

   Programming,History     2013-08-29 11:31:00

  Want to Expand Your Customer Base Globally? A Global Phone Number Is Your First Step

If you want your establishment to connect to the world, you’re in luck. Thanks to technology development, it’s much easier to do this now more than ever. But with this global expansion, you should have a few assets to help you with your success. To maintain your business reachability no matter where your customer is, you can start with a global phone number provided by companies like Telnum. If you’re not sure if it’s the right move, we’ll help you decide whether i...

   VOIP,BUSINESS     2024-01-04 05:28:19

  Common usage of ls command in Linux

In Linux, ls might be one of the most frequently used commands. It is used to list files in a specific directory. In most cases, we may just use ls -l to list the files under a directory. But have you explored other usages of this command. In this post, we will summarise some other common usages of ls command Assuming we have below directory structure in our system, let's see them using tree command. List details of the files If we want to list the details of the files in /home/alvin/test_...

   LINUX,SHELL,LS     2018-12-16 03:00:42

  A journey to investigate a goroutine leakage case

In Go, creating goroutines is straightforward, but improper usage may result in a large number of goroutines unable to terminate, leading to resource leakage and memory leaks over time. The key to avoiding goroutine leaks is to manage the lifecycle of goroutines properly. By exporting runtime metrics and utilizing pprof, one can detect and resolve goroutine leakage issues. This post will go through one real case encountered by the author. The author maintains a service that connects to a targe...

   TIMEOUT,SSH,GUIDE,DEBUG,LEAK,GOROUTINE,PPROF,GOLANG     2024-03-16 11:00:23

  How Query Optimizer Works in RDBMS

In a previous post, we discussed how the various relational operators are implemented in relational database systems. If you have read that post, you probably still remember that there are a few alternative implementations for every operator. Thus, how should RDBMS determine which algorithm (or implementation) to use? Obviously, to optimize the performance for any query, RDBMS has to select the correct the algorithm based on the query. It would not be desirable to always use the same algori...

   DATABASE,DATABASE DESIGN,DATABASE OPTIMIZATION     2019-04-20 07:26:32

  One Way to Quickly Locate SQL with High CPU Usage in MySQL

When the CPU usage of a MySQL database rises abnormally, it's necessary to quickly identify the problematic SQL statements. In this post, we try to provide one way to achieve this.  Below are the actual steps. 1. Use the top command to find the threads with the highest CPU usage in the MySQL process. # Find the MySQL process ID ps -ef | grep mysql # Use the process ID to find the thread IDs with the highest CPU usage: top -H -p In top, press P to sort by CPU usage. Note the thread ID, fo...

   MYSQL,DEBUG,HIGH CPU,SLOW QUERY     2024-08-01 21:25:48

  YouTube’s Policy Change: All Set to Take Down Hate Videos

Owing to a major policy change, YouTube is introducing new changes in the ways the videos are streamed on its channel. YouTube being the giant video sharing website is all set to work on a long list of policies regarding the content of videos on its channel. The shift in the policies has been introduced by the Google so that hate speech videos can be taken down by the channel.  The most important concern behind the policy shift is to eliminate the videos that are influential in nature. The...

   GOOGLE,YOUTUBE,YOUTUBE POLICY,GOOGLE POLICY,TECHNOLOGY     2017-12-27 07:56:02

  Learn these technical skills within one day

It takes days and days reading books, practicing and involving in real project if you want to learn a programming language well. It's just like a marathon, you will get more if you can insist longer. During this long and boring period, there are always something you can learn within a short period of time, like within one day. These skills can bring your big satisfaction. Below are a list of technical skills which you can pick up within one single day, they are advocated by Jacob Jensen, a Googl...

   Technical skill     2014-06-12 09:33:15

  Samsung announces Galaxy Note II

Samsung announced Galaxy Note II in today's Mobile Unpacked conference. It has been one year since the first generation of Galaxy Note released in October last year.Galaxy Note â…¡ is not lighter, but a little thinner compared to Galaxy Note I. It is equipped with Android 4.1 Jelly Bean with a 5.5-inch screen. Detailed parameters are as follows: 1.6GHz quad-core Exynos processor 5.5 inches HD Super AMOLED screen, 1280 x 720 (16:9) 8 megapixel rear camera, 1.9 megapixel front camera 2G RAM,...

   Samsung,Galaxy Note II,Parameters,Price     2012-08-29 20:01:08

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