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PHP abstract properties

Is there any way to define abstract class properties in PHP? 9 Answers 9 ...
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WebRTC - scalable live stream broadcasting / multicasting

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Do while loop in SQL Server 2008

Is there any method for implement do while loop in SQL server 2008? 5 Answers 5 ...
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Java 256-bit AES Password-Based Encryption

I need to implement 256 bit AES encryption, but all the examples I have found online use a "KeyGenerator" to generate a 256 bit key, but I would like to use my own passkey. How can I create my own key? I have tried padding it out to 256 bits, but then I get an error saying that the key is too long. ...
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How to do something to each file in a directory with a batch script

How do you iterate over each file in a directory with a .bat or .cmd file? 6 Answers 6...
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How do you check in python whether a string contains only numbers?

How do you check whether a string contains only numbers? 10 Answers 10 ...
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Delegates in swift?

How does one go about making a delegate, i.e. NSUserNotificationCenterDelegate in swift? 12 Answers ...
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Ruby, remove last N characters from a string?

What is the preferred way of removing the last n characters from a string? 13 Answers ...
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How can I check if a string is null or empty in PowerShell?

Is there a built-in IsNullOrEmpty -like function in order to check if a string is null or empty, in PowerShell? 11 Answers...
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Adding a new entry to the PATH variable in ZSH

I'm using zsh and I'm trying to add a new entry ( /home/david/pear/bin ) to the PATH variable but I don't know how. 6 Ans...