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How do I check two or more conditions in one ?

...answered Dec 2 '11 at 11:44 olly_ukolly_uk 10.2k33 gold badges3737 silver badges4545 bronze badges ...
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How to use mod operator in bash?

... answered Mar 31 '14 at 4:06 h__h__ 81588 silver badges1818 bronze badges ...
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How do I associate a Vagrant project directory with an existing VirtualBox VM?

...othername". Stop the machine from provisioning: Create a file named action_provision in the same dir as the id file, set it's contents to: 1.5:{id} replacing {id} with the id found in step 1. Setup a new public/private key: Vagrant uses a private key stored in .vagrant/machines/default/virtualbox/...
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Error installing mysql2: Failed to build gem native extension

I am having some problems when trying to install mysql2 gem for Rails. When I try to install it by running bundle install or gem install mysql2 it gives me the following error: ...
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Why do you use typedef when declaring an enum in C++?

... In C, declaring your enum the first way allows you to use it like so: TokenType my_type; If you use the second style, you'll be forced to declare your variable like this: enum TokenType my_type; As mentioned by others, this doesn't make a difference in C++. M...
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Getting multiple keys of specified value of a generic Dictionary?

...e, perhaps maintain two dictionary mapping key->value and value->List_of_keys. If you do the latter you will trade storage for look up speed. It wouldn't take much to turn @Cybis example into such a data structure. s...
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Permission denied (publickey) when deploying heroku code. fatal: The remote end hung up unexpectedly

...If you don't have a public key, Heroku will prompt you to add one automatically which works seamlessly. Just use: heroku keys:add To clear all your previous keys do : heroku keys:clear To display all your existing keys do : heroku keys EDIT: The above did not seem to work for me. I had me...
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How to check if command line tools is installed

I have a macbook pro with OS X 10.8.2. XCode is installed. I know this as it appears in the Applications directory. There are also the xcodebuild and xcode-select files in /usr/bin I need to know if the command line tools is installed. Is there a command for it? What can I do to see if XCode CLT is ...
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Executing Batch File in C#

... Thanks! now i actually can see what the error is. "C:\Windows\System32\txtmanipulator.bat is not recognized as an internal or external command, program or batchfile" (Translated from dutch) Which is odd. Because when i run txtmanipulator from ...
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ReSharper - force curly braces around single line

...t to add the braces in the single-line scenario. And I had to set that in all six dropdowns under "Force Braces" to catch all the scenarios: What I was really hoping for was to be able to set up ReSharper to do a yellow warning or red error when the rule was violated, but I haven't found a way t...