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Associative arrays in Shell scripts

... I'm using something like this. What's the best way to "catch" the error where the array index/subscript doesn't exist? For example, what if I was taking the subscript as a command line option, and the user made a typo and entered "designatio"? I get a "bad array subscript" error but don't...
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Is there a git-merge --dry-run option?

...e a patch file, you can then test it with --check and see if there are any errors, then remove the patch file. share | improve this answer | follow | ...
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How to duplicate a git repository? (without forking)

... I tried your approach. And I got this error message: ! [remote rejected] master -> master (pre-receive hook declined) and several other similar messages. The last one was : error: failed to push some refs How can I correct that? – LN...
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What does 'useLegacyV2RuntimeActivationPolicy' do in the .NET 4 config?

...DX, and therefore has unmanaged code, to .NET 4.0 I ran into the following error: 2 Answers ...
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“new” keyword in Scala

...d class Foo scala> new Foo("baz") res0: Foo = Foo@2ad6a0 // will be a error scala> Foo("baz") <console>:8: error: not found: value Foo Foo("baz") Bonus, there is a anonymous classes in scala, which can be constructed like this: scala> new { val bar = "baz" } res2: java.l...
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How do I get the resource id of an image if I know its name?

... getResource() and getPackageName() showing error. cannot resolve method – Srujan Barai Jul 22 '15 at 15:18 ...
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Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?

...n you will not get an exception. It really wouldn't make sense to throw an error just because a value doesn't exist in a dictionary. But if the dictionary didn't exist then that would be a reason to throw an error. (The term dictionary was just used to refer to an arbitrary collection.) ...
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.NET 4.0 build issues on CI server

...ET 4.0 build server reference assemblies warnings MSB3644 If you get this error: "Microsoft.WebApplication.targets was not found" - just copy the target from dev machine https://stackoverflow.com/a/5344246/423356 if mvc3 is not installed in build server; "add deployable assemblies" to the mvc proj...
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Class Not Found Exception when running JUnit test

I am getting this error when running JUnit test in Eclipse: 24 Answers 24 ...
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brew install mysql on macOS

... per user Sedorner from this StackOverflow answer brew doctor and fix any errors brew remove mysql brew cleanup brew update brew install mysql unset TMPDIR mysql_install_db --verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmp # whoami is e...