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How to delete duplicate lines in a file without sorting it in Unix?
Is there a way to delete duplicate lines in a file in Unix?
9 Answers
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Boolean vs boolean in Java
There are discussions around Integer vs int in Java. The default value of the former is null while in the latter it's 0 . How about Boolean vs boolean ?
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Fastest way to replace NAs in a large data.table
I have a large data.table , with many missing values scattered throughout its ~200k rows and 200 columns. I would like to re code those NA values to zeros as efficiently as possible.
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Interface or an Abstract Class: which one to use?
Please explain when I should use a PHP interface and when I should use an abstract class ?
11 Answers
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How do I copy the contents of a String to the clipboard in C#? [duplicate]
If I have some text in a String, how can I copy that to the clipboard so that the user can paste it into another window (for example, from my application to Notepad)?
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How to add leading zeros for for-loop in shell? [duplicate]
I have a basic number for loop which increments the variable num by 1 over each iteration...
7 Answers
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When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
Can someone tell me when and where I need to use begin and end blocks in SQL Server?
Also, what exactly does the Go keyword do?
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How to stop event propagation with inline onclick attribute?
Consider the following:
13 Answers
13
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Reference one string from another string in strings.xml?
I would like to reference a string from another string in my strings.xml file, like below (specifically note the end of the "message_text" string content):
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Get the current git hash in a Python script
I would like to include the current git hash in the output of a Python script (as a the version number of the code that generated that output).
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