大约有 40,000 项符合查询结果(耗时:0.0480秒) [XML]

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Which MySQL datatype to use for an IP address? [duplicate]

I want to get the IP address from $_SERVER['REMOTE_ADDR'] and some other $_SERVER variables, which datatype is the right one for this? ...
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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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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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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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How to use java.net.URLConnection to fire and handle HTTP requests?

... First a disclaimer beforehand: the posted code snippets are all basic examples. You'll need to handle trivial IOExceptions and RuntimeExceptions like NullPointerException, ArrayIndexOutOfBoundsException and consorts yourself. Preparing We first need to know at least the URL and the c...
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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...
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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 ...