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CSS: transition opacity on mouse-out?
...ect the mouse-over event, but only mouse-out, you can turn transitions off for the :hover state :
.item:hover {
-webkit-transition: none;
-moz-transition: none;
-ms-transition: none;
-o-transition: none;
transition: none;
zoom: 1;
filter: alpha(opacity=50);
opacity: 0.5;
}
Demo: h...
What does “Protocol … can only be used as a generic constraint because it has Self or associated typ
...to know if a given object is indeed the correct key, because it's possible for two different objects to generate the same hash code. Hmm, that is a bit tricky. So the problem here is really with Equatable.
– devios1
Jul 25 '14 at 21:41
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Installing PDO driver on MySQL Linux server
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@YuriCollector'sEditionRossi Updated the answer for that.
– Jani Hartikainen
Nov 14 '12 at 8:21
1
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How to get the first line of a file in a bash script?
...
Significantly more overhead than the read approach. $() forks off a subshell, and using an external command (any external command) means you're calling execve(), invoking the linker and loader (if it's using shared libraries, which is usually the case), etc.
–...
Add zero-padding to a string
...
"1.2".PadRight(4,'0') also works for zero filling a string number such as "1.20". I can do this to truncate and fill a simple string number < 10000. num = num.length > 4 ? num.Substring(0,4) : num.PadRight(4,'0');
– Dan Randolph
...
What's the difference setting Embed Interop Types true and false in Visual Studio?
... to remove the need to deploy very large PIAs (Primary Interop Assemblies) for interop.
It simply embeds the managed bridging code used that allows you to talk to unmanaged assemblies, but instead of embedding it all it only creates the stuff you actually use in code.
Read more in Scott Hanselman's ...
sphinx-build fail - autodoc can't import/find module
...entation.
Just call
make
to see the options.
If something went wrong before try:
make clean
before running make html.
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Why is 'this' a pointer and not a reference?
...s it requires references to work consistently.
One of the uses of this is for an object to get a pointer to itself. If it was a reference, we'd have to write &this. On the other hand, when we write an assignment operator we have to return *this, which would look simpler as return this. So if yo...
How does a PreparedStatement avoid or prevent SQL injection?
...tatements avoid/prevent SQL Injection. How does it do that? Will the final form query that is constructed using PreparedStatements will be a string or otherwise?
...
What is the default scope of a method in Java?
...otected and public scopes, but more permissive than private scope.
More information:
http://docs.oracle.com/javase/tutorial/java/javaOO/accesscontrol.html
http://mindprod.com/jgloss/scope.html
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