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Twitter Bootstrap alert message close and open again

I have a problem with alert messages. It is displayed normally, and I can close it when the user presses x (close), but when the user tries to display it again (for example, click on the button event) then it is not shown. (Moreover, if I print this alert message to console, it is equal to [] .) ...
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How to define custom configuration variables in rails

...wondering how to add custom configuration variables to a rails application and how to access them in the controller, for e.g I wanna be able to define an upload_directory in the configuration files say development.rb and be able to access it in one of my controllers. ...
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Aligning textviews on the left and right edges in Android layout

I am getting started with Android. I am having trouble getting a simple layout going. 9 Answers ...
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Vertically align text within a div [duplicate]

... answered Feb 12 '12 at 14:06 Andres IlichAndres Ilich 72.6k2020 gold badges150150 silver badges136136 bronze badges ...
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SQL JOIN vs IN performance?

...ill give me the correct results... Which typically has better performance and why? How much does it depend on what database server you are running? (FYI I am using MSSQL) ...
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Forking from GitHub to Bitbucket

...le to get the updates without the need to download all the CakePHP zip/tar and replace the folder, then commit and push, but maybe with a ‘merge’(?). ...
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Truststore and Keystore Definitions

What's the difference between a keystore and a truststore? 6 Answers 6 ...
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Files showing as modified directly after a Git clone

I'm having an issue with a repository at the moment, and though my Git-fu is usually good, I can't seem to solve this issue. ...
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How to write a test which expects an Error to be thrown in Jasmine?

... answered Nov 10 '10 at 13:06 Andrzej ŚliwaAndrzej Śliwa 1,46422 gold badges1313 silver badges1717 bronze badges ...
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How to len(generator()) [duplicate]

...'t collections after all. Generators are functions with a internal state (and fancy syntax). You can repeatedly call them to get a sequence of values, so you can use them in loop. But they don't contain any elements, so asking for the length of a generator is like asking for the length of a functio...