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“unary operator expected” error in Bash if condition
I've been trying to figure out whats wrong with this but just can't figure it out..
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@Transactional(propagation=Propagation.REQUIRED)
if some one can explain what this annotation do and when exactly we use it :
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Difference between ProcessBuilder and Runtime.exec()
I'm trying to execute an external command from java code, but there's a difference I've noticed between Runtime.getRuntime().exec(...) and new ProcessBuilder(...).start() .
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What is the >>>= operator in C?
Given by a colleague as a puzzle, I cannot figure out how this C program actually compiles and runs. What is this >>>= operator and the strange 1P1 literal? I have tested in Clang and GCC. There are no warnings and the output is "???"
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Convert XmlDocument to String
Here is how I'm currently converting XMLDocument to String
5 Answers
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Show filename and line number in grep output
I am trying to search my rails directory using grep. I am looking for a specific word and I want to grep to print out the file name and line number.
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C#: Looping through lines of multiline string
What is a good way to loop through each line of a multiline string without using much more memory (for example without splitting it into an array)?
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