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Float right and position absolute doesn't work together
...ot that float: right is not needed for absolute positioning, but... What about when you have two absolute elements inside same (position:relative) parent and you want them aligned to the right, one beside the other? Their width is dynamic...
– spuas
Jul 2 '14 a...
How do you create a random string that's suitable for a session ID in PostgreSQL?
...$$ language plpgsql;
And the usage:
select random_string(15);
Example output:
select random_string(15) from generate_series(1,15);
random_string
-----------------
5emZKMYUB9C2vT6
3i4JfnKraWduR0J
R5xEfIZEllNynJR
tMAxfql0iMWMIxM
aPSYd7pDLcyibl2
3fPDd54P5llb84Z
VeywDb53oQfn9GZ
BJGaXtfa...
git diff file against its last change
...the only way to immediately see the last set of changes made to a file without using git log (or similar) to either count the number of intervening revisions or determine the hash of the commit.
To see older revisions changes, just scroll through the log, or specify a commit or tag from which to st...
Test parameterization in xUnit.net similar to NUnit
...cept is equivalent to the one found in NUnit but the functionality you get out of the box is not as complete.
Here's an example:
[Theory]
[InlineData("Foo")]
[InlineData(9)]
[InlineData(true)]
public void Should_be_assigned_different_values(object value)
{
Assert.NotNull(value);
}
In this ex...
“implements Runnable” vs “extends Thread” in Java
...dvantage of Runnable is that, if in certain circumstances you don't care about, or don't want to use threading, and you just want to execute the code, you have the option to simply call run(). e.g. (very handwavy) if (numberCores > 4) myExecutor.excute(myRunnable); else myRunnable.run()
...
instanceof Vs getClass( )
...r objects of the same class, the same run time type, as illustrated in the output of below code:
class ParentClass{
}
public class SubClass extends ParentClass{
public static void main(String []args){
ParentClass parentClassInstance = new ParentClass();
SubClass subClassInstanc...
ARC and bridged cast
...
Once in ARC land you don't think about retain counts anymore, only about strong and weak references.
– monkeydom
Jan 13 '12 at 11:56
4
...
NUnit vs. xUnit
...
What you write about parallel execution is not true. Maybe it was at the time of your post but now it is not. Check this xunit.net/docs/running-tests-in-parallel. It says that test methods in one class will never run parallelly.
...
How to use a WSDL file to create a WCF service (not make a call)
...
Check out this SO answer for info on downloading the wsdl and xsd in a format that svcutil will like. stackoverflow.com/questions/286657/…
– Brett Widmeier
Jun 19 '12 at 14:50
...
Why does Eclipse Java Package Explorer show question mark on some classes?
...the class is not yet added to the repository.
If your project was checked-out (most probably a CVS project) and you added a new class file, it will have the ? icon.
For other CVS Label Decorations, check http://help.eclipse.org/help33/index.jsp?topic=/org.eclipse.platform.doc.user/reference/ref-cv...