Exception Handling Basics in C#

An exception is any uncommon condition arising during execution of a program. There might be several conditions when an exception is encountered in a program but at most basic level examples of exceptions include file not found exception, dividing a number by 0, inputting a wrong data type values etc It is necessary to handle exceptions otherwise an end user will not feel at home with the application and it is a sign of poor problem understanding....

Is System.gc() a necessary evil?

While garbage collection is automated in java, still it provides system.gc() method which force run the garbage collector and perform clean-up tasks. And at the same time, it is never recommended to run the garbage collector explicitly which causes the system to be inefficient and even the JVM will ignore the explicit method in most cases.  There are various reasons not to use explicit gc but it is not the matter of discussion. The point of discussion is that many times it is asked in what circumstances or applications System.gc() should...

Abstract Classes versus Interfaces in C#

While both of them acts as base types, there are quite significant differences between abstract classes and interfaces in C#. Few noteworthy points are as follows – -        -   Abstract classes can have access modifiers whereas interfaces doesn’t have access modifiers -          - Abstract class can inherit either from another abstract class or another interface while an interface can         inherit only from an interface. -         -...

Do You Really Need to Regularly Reinstall Windows?

[Tips & Tricks] Do You Really Need to Regularly Reinstall Windows? For many people, Windows seems to slow down over time. Quite a few people fix this by regularly reinstalling Windows. But do you really need to regularly reinstall Windows? And, if so, how regularly do you need to reinstall it? Reinstalling Windows is inconvenient. You have to back up all your data, go through the install process, reinstall all your...

Extracting Source Code From an Android APK file.

APK or Android Package File is a file format used to install applications on an android phone. Extended form of .apk is ZIP format. Following steps will retrieve Java & XML/HTML source code from an apk file: Step 1 Change the extension of apk file to .zip and then extract the zip file to a new folder. Copy the classes.dex file and follow next step. Step 2 Download dex2jar. Extract dex2jar in a folder and paste the classes.dex file into it. Now open the cmd, change path to dex2jar folder and execute the following command “dex2jar classes.dex”....

Web Browsing Shortcuts [Tips & Tricks]

How many times do you open a Web Browser ??? Many a times, I am sure. We have collected some of the "You Should Know Them" browsing tricks that will make your life easy. Most of them would be known to you if you are a TechGeek ! ;)   Automatically add www. and .com/.net to a URL   You can save a couple of seconds typing in a URL by simply click CTRL + Enter after you type the name of the site. Need .net instead of .com ? Press...