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How to affect other elements when one element is hovered
...e cube is directly inside the container:
#container:hover > #cube { background-color: yellow; }
If cube is next to (after containers closing tag) the container:
#container:hover + #cube { background-color: yellow; }
If the cube is somewhere inside the container:
#container:hover #cube { ba...
How do I list all the columns in a table?
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For MySQL, use:
DESCRIBE name_of_table;
This also works for Oracle as long as you are using SQL*Plus, or Oracle's SQL Developer.
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Make the current Git branch a master branch
...t, everyone else will get messed up. This is what you want to do:
git checkout better_branch
git merge --strategy=ours master # keep the content of this branch, but record a merge
git checkout master
git merge better_branch # fast-forward master up to the merge
If you want your his...
Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
...rmission in order to appear in the response to /me/friends. See the Facebook upgrade guide for more detailed information, or review the summary below.
If you want to access a list of non-app-using friends, there are two options:
If you want to let your people tag their friends in stories that the...
Putting git hooks into repository
Is it considered to be a bad practice - to put .git/hooks into the projects repository (using symlinks, for example). If yes, what is the best way to deliver same hooks to different git users?
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Gesture recognizer and button actions
I have a view hierarchy that looks something like this:
6 Answers
6
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What in the world are Spring beans?
...can understand. I see them referenced often in Grails documentation and books, but I think that understanding what they are would be beneficial. So what are Spring beans? How can they be used? Do they have something to do with Dependency Injection?
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jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
...e is a new and very simple solution for this:
It allows you to use any kind of input filter on a text <input>,
including various numeric filters. This will correctly handle
Copy+Paste, Drag+Drop, keyboard shortcuts, context menu operations,
non-typeable keys, and all keyboard layouts...
Prevent users from submitting a form by hitting Enter
...e, and there seems to be some issues with the users hitting enter (I don't know why) and accidentally submitting the survey (form) without clicking the submit button. Is there a way to prevent this?
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Chai: how to test for undefined with 'should' syntax
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This is one of the disadvantages of the should syntax. It works by adding the should property to all objects, but if a return value or variable value is undefined, there isn't a object to hold the property.
The documentation gives some workarounds, for example:
var should = require('...