Tharaka's Blog

In a recent project, I got a list of integers something similar to following.

1 12 123 1234 12345 …. 123456789

and, I was asked to add zeros to the left or right of the list and make it as below.

List 1: 0000000001 0000000012 0000000123 ….. 0123456789

List 2: 1000000000 1200000000 1230000000 …. 1234567890

C# – PadLeft / PadRight

In C#, you can use PadLeft and PadRight functions to achieve this. ht…

  GodeMode is a hidden folder trick that allows users to access all of the operating system’s control panels from within a single folder.

To enable the hidden feature for Windows 10, here’s what you need to do:

To enable “GodMode” feature for Windows 10, you just need to create a new folder and then name the folder as following: GodMode.{ED7BA470-8E54-465E-825C-99712043E01C}

GodMode: Folder

By…

1.  I am back after a very long break. So, I somehow forgot SQL Server ‘SA’ Password, and this is how I recovered that.

Stop SQL SERVER

Change the startup parameters by adding add -m;

Start SQL Server

Open command prompt and type SQLCMD

Method 1:  Create new user and add to systemadmin role

CREATE LOGIN recovery1 WITH PASSWORD = 'abc123%'; sp_addsrvrolemember 'recovery1', 'sysadmin'; GO;

No…

Reflection deserialization and custom attributes

Download Source Code

So, last week one of my colleagues wanted to serialize an object along with custom property attribute to JSON. Interesting… JSON.NET by default will not allow serializing custom property attribute. So, you have to write custom JSON converter to fix this. Let’s take a look at how you can solve this problem

Suppose you have following custom attribute class

/// /// Complex Type…

Have you ever tried chrome inspector with Facebook? If so, I am sure you have seen this. This warning message is to help prevent Self-XSS scams.

Self-XSS

Self-XSS is a social engineering attack that is designed to gain control of your social media account. In a self-XSS attack, an attacker convinces a user to runs malicious code on the address bar of his/her web browser.

Following video clearly…

Google Loon To Cover Entire Country Of Sri Lanka With Internet

Google Loon

http://techcrunch.com/2015/07/29/not-so-loony-now-is-it/

Round up a number to maximum 10s

Recently we faced a citation which we need to round up a number to maximum 10s place. For ex:  we needed to round up a numbers as follows 1023 -> 2000 37911 -> 40000 912345 –> 1000000

First we checked Math.Round(). But it didn’t solve our problem.  Math.Round() supports only rounds a value to the nearest integer or to the specified number of fractional digits. Further checking we come up a…

Automate PNG & JPG Image Optimization

Download Source Code

Introduction

If you are a web developer you already know how important to…

How to transfer ownership of the android application

Suppose you have developed an android game and publish that on the Google play. Many users download…

Emoji and web application

I’m back after few months or so of not blogging. Have you heard something called “Emoji”?

Emoji;…

Generate insert statements from the specific table data using SQL Server

When you are deploying your application, sometimes you may want to generate SQL script with the…

How to Fix Orphaned SQL Users

Recently I had to involve in a database migration task. I backed up the database and restored…

SMTP, POP3 and IMAP are TCP/IP protocols used for mail delivery. Email clients use POP3 and IMAP protocol to retrieve email from the server (incoming mail) over TCP/IP connection. Outgoing mail for both POP and IMAP clients uses the SMTP. Main difference…

JavaScript Framework and Resources

Knockout.js

Knockout is a JavaScript library that helps you to create rich, responsive display and…

HTML5 Cheat Sheet

HTML5 Cheat Sheet – Tags

HTML5 Cheat Sheet – Event Handler Attributes

HTML5 Cheat Sheet By…