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How can I declare and use Boolean variables in a shell script?
...s before the revision on Feb 12, 2014 pertain only to the original answer, and many of the comments are wrong when associated with the revised answer. For example, Dennis Williamson's comment about bash builtin true on Jun 2, 2010 only applies to the original answer, not the revised.
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Concurrent vs serial queues in GCD
I'm struggling to fully understand the concurrent and serial queues in GCD. I have some issues and hoping someone can answer me clearly and at the point.
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Why can't stash be applied to the working directory?
...d an untracked file that was subsequently added to the repo. When you try and check it out, git rightly refuses because it would be overwriting an existing file.
To fix, you could do something like deleting that file (it's okay, it's still in the repo), applying your stash, and then replacing the ...
No tests found with test runner 'JUnit 4'
...by renaming one of the test methods to start with "test..." (JUnit3 style) and then all tests are found. I renamed it back to what it was previously, and it still works.
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How to create a directory and give permission in single command
How to create a directory and give permission in single command in Linux?
8 Answers
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Why aren't programs written in Assembly more often? [closed]
It seems to be a mainstream opinion that assembly programming takes longer and is more difficult to program in than a higher level language such as C. Therefore it seems to be recommend or assumed that it is better to write in a higher level language for these reasons and for the reason of better po...
Difference between setTimeout with and without quotes and parentheses
I am learning JavaScript and I have learned recently about JavaScript timing events. When I learned about setTimeout at W3Schools , I noticed a strange figure which I didn’t run into before. They are using double quotes and then call the function.
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Mutex example / tutorial? [closed]
I'm new to multithreading, and was trying to understand how mutexes work. Did a lot of Googling but it still left some doubts of how it works because I created my own program in which locking didn't work.
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typedef struct vs struct definitions [duplicate]
...fier S within the struct name space (not in the C++ sense). You can use it and define variables or function arguments of the newly defined type by defining the type of the argument as struct S:
void f( struct S argument ); // struct is required here
The second line adds a type alias S in the glob...
What are WSDL, SOAP and REST?
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A WSDL is an XML document that describes a web service. It actually stands for Web Services Description Language.
SOAP is an XML-based protocol that lets you exchange info over a particular protocol (can be HTTP or SMTP, for example) between applications. It stands for Simple Object Access Pr...