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Tutorial: MySQL Multiple Update Using Single SQL Query

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Ever wanted to do some update on multiple row with different value or on different condition in a single SQL query? With MySQL sure you can do it.

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Tutorial: Easy “Spoiler” Show/Hide Element using Javascript

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Sometimes we want to hide some content at first page load to reduce bandwidth transferred to the user. Usually when we just want to show the thumbnails of the image and then the original (big) sized image hidden next to it.

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Remove Uneeded Windows Explorer Context Menu Item

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Windows Logo

Windows Logo

Do you recently installing/uninstalling a new program and noticed that the program add some link/shortcut on Explorer context menu that you don’t like? If the program doesn’t have a preferences option to remove the context menu, you can remove it manually using Windows registry editor (regedit.exe).

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Greedy and Non-Greedy Matching using Perl Regular Expression

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In this article I will show the difference between the default greedy (.+ and .*) and non-greedy matching using Perl-compatible regular expression.

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Binary String Conversion to Decimal and Hex Using C#

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microsoftnet-logoIf you need to convert Binary String to Decimal (Integer) and Hexadecimal, .NET Framework has conversion methods in Convert class to make numeric conversion easier. This class is located in Microsoft.VisualBasic library.

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Change IP Address Using netsh from Command Prompt

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Network interface can be changed manually by using netsh command (netsh.exe) from Command Prompt. To change the IP to static IP, use the following command format:

netsh interface ip set address [Connection Name] [Source] [IP] [Netmask] [Gateway] [Metric]
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Remove Registry Editing Restriction

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Windows Logo

From my previous article about enabling a disabled Task Manager, there is an option step or method which is using Registry Editor as tool to fix the DisableTaskMgr restriction.

If you found the following error message when you try to start the Windows Registry Editor, it means the DisableRegistryTools Policy is enabled.

Registry Editing has been disabled by your administrator

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