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How to empty/destroy a session in rails?
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205
To clear the whole thing use the reset_session method in a controller.
reset_session
Here's...
How to sum up elements of a C++ vector?
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442
Actually there are quite a few methods.
int sum_of_elems = 0;
C++03
Classic for loop:
for(...
Detect changes in the DOM
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215
2015 update, new MutationObserver is supported by modern browsers:
Chrome 18+, Firefox 14+, I...
Visual Studio window which shows list of methods
...second type and third members (methods).
You can use the shortcut Ctrl + F2 (move focus to the project drop down) and press Tab twice (move focus to the third drop down) to focus it, down arrow will expand the list.
Full size image
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Apache VirtualHost 403 Forbidden
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296
Apache 2.4.3 (or maybe slightly earlier) added a new security feature that often results in th...
Get first n characters of a string
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582
//The simple version for 10 Characters from the beginning of the string
$string = substr($string...
setting multiple column using one update
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2 Answers
2
Active
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How do I style a dropdown with only CSS?
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24 Answers
24
Active
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jQuery - Create hidden form element on the fly
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620
$('<input>').attr('type','hidden').appendTo('form');
To answer your second question:
$...