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How to write :hover condition for a:before and a:after?
...<body>
<div class="test1">
<a href="#"><span>Google</span></a>
</div>
<div class="test2">
<a href="#"><span>Apple</span></a>
</div>
</body>
</html>
Note: The hover:before switch works only on...
Renaming a branch in GitHub
.... git commit -m 'msg', 3. git push 4. Mhmm, old_branch shows up in Github, Google question and I am led to your answer 5. git push origin :old_branch (says it deleted) 6. git push origin new_branch... completes then says * [new branch] new_branch -> old_branch. Go back to Github and old_branch ...
How can I measure the actual memory usage of an application or process?
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Doesn't exist on OSX (for anyone who comes here from google)
– jcollum
Mar 30 '16 at 15:44
3
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SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error
...en
find out where local maven home installation dir is (mvn --version, or google for your MAVEN_HOME, for me this helped me that is /usr/share/maven2 )
in eclipse Menu->Window->Preferences->Maven->Installation-> enter that string. Then you should have switched to your new external ma...
Detecting endianness programmatically in a C++ program
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@Matt: I looked into Google, and bint seems to have a meaning in English that I was not aware of :)
– David Cournapeau
Jun 16 '09 at 14:34
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What is the Swift equivalent of respondsToSelector?
I've googled but not been able to find out what the swift equivalent to respondsToSelector: is.
17 Answers
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How do I add a Fragment to an Activity with a programmatically created content view
...are using Kotlin make sure to take a look at what the Kotlin extensions by Google provide or just write your own.
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Change an HTML5 input's placeholder color with CSS
...ns: pseudo-elements, pseudo-classes, and nothing.
WebKit, Blink (Safari, Google Chrome, Opera 15+) and Microsoft Edge are using a pseudo-element: ::-webkit-input-placeholder. [Ref]
Mozilla Firefox 4 to 18 is using a pseudo-class: :-moz-placeholder (one colon). [Ref]
Mozilla Firefox 19+ is using a ...
Determine what attributes were changed in Rails after_save callback?
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To anyone seeing this later on, as it currently (Aug. 2017) tops google: It is worth mentioning, that this behavior will be altered in Rails 5.2, and has deprecation warnings as of Rails 5.1, as ActiveModel::Dirty changed a bit.
What do I change?
If you're using attribute_changed? method...
Best way to create unique token in Rails?
... I use this to obfuscate IP addresses when sending the "client id" to Google Analytics' measurement protocol. It's supposed to be a UUID, but I just take the first 32 chars of the hexdigest for any given IP.
– thekingoftruth
Jan 16 '15 at 19:22
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