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  Supervisord, God and Monit, which one to choose?

With the popularity of Docker, more and more service have been moved into docker containers and they are easy to build up and maintain for each atomic service(though it's a bit complex to maintain multiple docker containers which contain different service to form a complete solution). Ideally, each docker container should only contain one service which has only one running process. However, in reality there would be cases multiple processes would run in one single docker container and there is a...

   DEVOPS,MONIT,SUPERVISORD,GOD,DOCKER     2017-11-25 12:28:11

  GIF’s - Effective Engagement Tool Of Elearning

Elearning has been continuously facing the challenge of keeping the learners engaged. Many methods are being used to ensure that the learner understands the concepts even without an instructor. The inclusion of various multimedia modes like informative audios, videos, games, animations, etc. has become almost necessary to include as these are considered to make the concepts easier to understand.  In a nutshell, there are many advantages of using multimedia in an eLearning program, however, ...

   GIF,ELEARNING     2021-09-23 07:17:52

  How to increase the productivity of your IT team

  As a manager, when your team isn’t completing as much work as they should be and you’re feeling the pressure from those higher up, it can be difficult to know what to do. The whole team is stressed and productivity is taking a huge drop. When this happens it’s time to take a step back and assess where the issue lies. Here’s how to increase the productivity of your IT team.   Have clear goals and roles At the start of every project have a meeting with everyone...

   PRODUCTIVITY,IT TEAM, BUSISNESS     2018-04-17 06:19:26

  The Curious Case of App Store Optimization

You may have heard of App Store Optimization (ASO) and feel your brains go into overdrive! Chances are you probably have no idea what that means or that it appears pretty much the same as Search Engine Optimization (SEO), only to realize that it is not so. Despite being warily relatable to SEO, the reality of ASO is far more deep and complex. A key differentiator of ASO and SEO is what happens when a visitor or user enters the website or the app, in this case. The moment a user enters the site t...

   iOS App Development Company, Mobile App Company, iphone App Development Company, Mobile Application     2015-08-14 09:06:22

  Special ARP Uses: Gratuitous ARP, ARP Probe, and ARP Announce

In an Ethernet environment, all data is ultimately sent in the form of a Layer 2 Ethernet Frame, which includes the Src MAC, Dst MAC, and other headers such as CRC, etc. Ethernet will then deliver the data to the destination. When we program, we often specify the IP and Port, but rarely specify the MAC address. So, how is the Frame sent out? This is done by the operating system. If the system does not know the MAC address corresponding to an IP, it will send a broadcast ARP request (since this r...

   ARP,NETWORK,LINUX     2024-11-07 20:57:26

  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

  Why do people hate Windows?

Windows brought us into PC era, it becomes the most widely used OS in the past 20 or so years. But unfortunately there are still many people hate Windows. Is it because we may encounter the notorious blue screen issue now and then?  People hate Microsoft Windows for the same reason they hate Comcast, United Airlines, or Paypal.Once Microsoft gained a dominant market position, it completely and utterly took its customers for granted. It became arrogant and complacent, causing customers to fe...

   Windows,Hate     2013-08-02 21:13:53

  A Chinese Programmer Accused of Circumventing Great Firewall Faces Confiscation of RMB 1.05 Million

Recently, a programmer posted an article on Weibo claiming that he was working for an overseas company while accessing the international internet. He was subsequently accused by the Shuangqiao Public Security Sub-bureau in Chengde, Hebei of "illegally establishing and using non-official channels for international networking" and received an administrative penalty of a fine of RMB 200 and the confiscation of "illegal gains" totaling RMB 1.05 million. This is the most severe punishment reported s...

   GITHUB,CHINESE     2023-09-25 07:57:58

  PHP 7 is coming soon

After a few RCs, PHP 7 will be officially released on November 12, 2015. This is a major release of PHP since PHP 5.6. @Laruence, one of the core contributors of PHP, has posted this news on Weibo(China's Twitter).  This is a one month later than the expected time as recorded in PHP 7 timeline. But it's not that late. The new release will come with a few features including: Scalar type declaration, you can define variable like int now Return type support. Besides declare scalar type ...

   RELEASE DATE,PHP7     2015-11-08 09:13:37

  How to password protect a Winzip file

Winzip files are great ways of sharing documents and images of large sizes over the web or through email, since their reduced size makes it possible for them to be sent and received. Also, it is easier to manage one attachment than multiple. But what if the file contains sensitive information you don’t want snoopers to see? Simply add a password protection in Winzip. Adding a password will ensure more security and reliability of the transported files. How to add a Password to your Zip Fil...

   DATA SECURITY,WINZIP     2019-08-29 11:42:41