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Test if a variable is set in bash when using “set -o nounset”
... want to check only whether it's unset, use -: VALUE=${WHATEVER-}. Also, a more readable way to check whether a variable is empty: if [ "${WHATEVER+defined}" = defined ]; then echo defined; else echo undefined; fi
– l0b0
Oct 24 '11 at 11:04
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How to escape text for regular expression in Java
...most likely have needed to replaceAll("\\*", ".*") if they'd gone with the more fragile implementation that relies on recognizing all possible active regex charachters and escaping them individually...would that be so much easier?
– Theodore Murdock
Jun 12 '15 ...
How to compare type of an object in Python?
... computing project I've ever worked on. Out of all dev projects I've seen, more have needed this than have not.
– ely
Mar 28 '14 at 20:21
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What should be the values of GOPATH and GOROOT?
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Much more comprehensive information on GOPATH is at How to Write Go Code. A grasp of the information there is required for understanding the go command, which is essential for working with Go. For example the use of goinstall in...
Why can't I initialize non-const static member or static array in class?
...er simply inlines such class members i.e, they are not stored in memory anymore, As the need of being stored in memory is removed, it gives such variables the exception to rule mentioned by Bjarne.
It is noteworthy to note here that even if static const integral values can have In-Class Initial...
How to really read text file from classpath in Java
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How to justify a single flexbox item (override justify-content)
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After some more investigation, justify-self might not have anything to do with flexbox but rather is used with css grids but I'm not sure. I can't seem to get it to work in Chrome with flexbox.
– Jake Wilson
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Android Webview - Completely Clear the Cache
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How to SSH to a VirtualBox guest externally through a host? [closed]
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What are the best practices for using Assembly Attributes?
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In my opinion using a GlobalAssemblyInfo.cs is more trouble than it's worth, because you need to modify every project file and remember to modify every new project, whereas you get an AssemblyInfo.cs by default.
For changes to global values (i.e. Company, Product etc) th...