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Use of Java's Collections.singletonList()?
...
From the javadoc
@param the sole object to be stored in the returned list.
@return an immutable list containing only the specified object.
example
import java.util.*;
public class HelloWorld {
public static void...
How do I rename my Git 'master' branch to 'release'?
...ere you have command line access.
Since trying to delete the remote master from a client indeed is not allowed and I do assume forbidding denyDeleteCurrent makes sense, I would not like to change that setting.
However, I found that the easiest way to rename your master iff you have command line acce...
How do .gitignore exclusion rules actually work?
...
this is definitely not clear from the .gitignore man page. This works:
*
!/a
!/a/b
!/a/b/c
!/a/b/c/foo
# don't forget this one
!.gitignore
As mentioned by Chris a directory is not even opened if it is excluded. So if you want to be able to ignore * b...
How do I monitor the computer's CPU, memory, and disk usage in Java?
...eratingSystemMXBean.class);
// What % CPU load this current JVM is taking, from 0.0-1.0
System.out.println(osBean.getProcessCpuLoad());
// What % load the overall system is at, from 0.0-1.0
System.out.println(osBean.getSystemCpuLoad());
...
What does [STAThread] do?
...the threading model works at the CLR level, see this MSDN Magazine article from June 2004 (Archived, Apr. 2009).
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Convert Enum to String
...e was faster and by decent margin. Internally ToString calls Enum.GetName. From source for .NET 4.0, the essentials:
public override String ToString()
{
return Enum.InternalFormat((RuntimeType)GetType(), GetValue());
}
private static String InternalFormat(RuntimeType eT, Object value)
{
if...
How can I make my own event in C#?
...to the class that recieves it.
//An EventArgs class must always derive from System.EventArgs.
public class MyEventArgs : EventArgs
{
private string EventInfo;
public MyEventArgs(string Text)
{
EventInfo = Text;
}
public string GetInfo()...
test if event handler is bound to an element in jQuery [duplicate]
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You can get this information from the data cache.
For example, log them to the console (firebug, ie8):
console.dir( $('#someElementId').data('events') );
or iterate them:
jQuery.each($('#someElementId').data('events'), function(i, event){
jQuer...
What's the (hidden) cost of Scala's lazy val?
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This is taken from the scala mailing list and gives implementation details of lazy in terms of Java code (rather than bytecode):
class LazyTest {
lazy val msg = "Lazy"
}
is compiled to something equivalent to the following Java code:
...
Best way of invoking getter by reflection
...ersion (object to string, string to object) to simplify setting properties from user input.
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