What processes are using a particular port?
Use the lsof command to see which processes are connected to particular port.
Threads in Perl without using thread module
Perl threads are not good. If you need threads in Perl, try coding your multi-threaded part in C/C++, and wrap that in Perl.
MySQL Installation and Configuration
A step by step guide on how to install and configure MySQL on the Windows Operating System.
XMS.Net Consumer Application for IBM WebSphere MQ
If you are also trying to run XMS.Net application and want to subscribe to some topic with selector string to filter messages, remember to run the application in 'unmanaged' mode.
Useful vim options for techies
Vim is very useful tool for editing files, especially for techies to edit configuration and code files. There are some useful options for them in vim. You can set them in the vim configuration file vimrc usually found in …
How to install MQSeries Perl Extension for IBM WebSphere MQ
To install MQSeries Perl Extension for IBM WebSphere MQ, you need to first install MQSeriesSDK along with MQSeriesRuntime and MQSeriesClient. Without the SDK, Perl Extension won't be installed.
Enable X Session over SSH
You can forward you X session over SSH, even on putty.
How to setup PHP development environment in Eclipse?
Learn how to setup your development environment in Eclipse/PHP.
MySQL Query Cache
MySQL query cache is good to cache select queries and their results and improve some performance of your database applications. So, enable query cache in just one step.
CVS account change in Eclipse
Replaced the CVS account in all CVS meta files in the whole project hierarchy in Eclipse.
Multiple MySQL on single host
Sometimes we need to run multiple MySQL servers on single machine. That is mostly required in testing environments to test different aspects with different configurations. In this way one can test server without affecting others. So, if you want to…
Why code bad instead of clean code?
It is unprofessional for programmers to bend to the will of managers who don’t understand the risks of making messes and bemoan the schedules that were too tight to do things right.
Breaking problem into code
Improve the performance of your application by implementing correct logic for a particular problem.
Database indexes and locks
It is important to create good indexes so that your queries do not unnecessarily need to scan many rows, that can result in lock on those rows and due to which deadlocks can occur, performance can be degraded, or anything bad can happen.
Many-to-many relationship
When designing an application or database, also consider other scenarios and pros and cons of the approach being adopted, not only one scenario. In other words if one approach is solving your problem then also consider what other problems we can face due to it, and prepare for those as well.