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How to make “if not true condition”?
I would like to have the echo command executed when cat /etc/passwd | grep "sysa" is not true.
6 Answers
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Defining a variable with or without export
What is export for?
14 Answers
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Vertically centering a div inside another div [duplicate]
I want to center a div which is added inside another div.
24 Answers
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Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
I just installed posgresql with homebrew and when I go on to type the command
22 Answers
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What is the equivalent of the C++ Pair in Java?
Is there a good reason why there is no Pair<L,R> in Java? What would be the equivalent of this C++ construct? I would rather avoid reimplementing my own.
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Creating a blocking Queue in .NET?
I have a scenario where I have multiple threads adding to a queue and multiple threads reading from the same queue. If the queue reaches a specific size all threads that are filling the queue will be blocked on add until an item is removed from the queue.
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Why are data transfer objects (DTOs) an anti-pattern?
I've recently overheard people saying that data transfer objects (DTOs) are an anti-pattern .
11 Answers
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How do I size a UITextView to its content?
Is there a good way to adjust the size of a UITextView to conform to its content? Say for instance I have a UITextView that contains one line of text:
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The project file has been moved renamed or is not on your computer
I get this error when I try to load a VS 2008 project from TFS source control:
15 Answers
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How can I check if a directory exists in a Bash shell script?
What command can be used to check if a directory exists or not, within a Bash shell script?
35 Answers
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