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What does -D_XOPEN_SOURCE do/mean?
...nclude definitions for some extra functions that are defined in the X/Open and POSIX standards.
This will give you some extra functionality that exists on most recent UNIX/BSD/Linux systems, but probably doesn't exist on other systems such as Windows.
The numbers refer to different versions of the...
How to change an application icon programmatically in Android?
...
It's an old question, but still active as there is no explicit Android feature. And the guys from facebook found a work around - somehow. Today, I found a way that works for me. Not perfect (see remarks at the end of this answer) but it works!
Main idea is, that I update the icon of my ...
What goes into your .gitignore if you're using CocoaPods?
I've been doing iOS development for a couple of months now and just learned of the promising CocoaPods library for dependency management.
...
Why is the String class declared final in Java?
...emented as immutable objects. You should read about immutability to understand more about it.
One advantage of immutable objects is that
You can share duplicates by pointing them to a single instance.
(from here).
If String were not final, you could create a subclass and have two strings tha...
how to get program files x86 env variable?
... like to know how I can display the location of Program Files (x86) in command prompt. I'm using Windows 7 64bit.
4 Answer...
NSOperation vs Grand Central Dispatch
...programming for iOS. So far I've read about NSOperation/NSOperationQueue and GCD . What are the reasons for using NSOperationQueue over GCD and vice versa?
...
How do I use CSS in Django?
I am creating my application using Django, and am wondering how I can make Django use my CSS file? What settings do I need to do to make Django see the css file?
...
How can I replace a newline (\n) using sed?
...w can I replace a newline (" \n ") with a space (" ") using the sed command?
42 Answers
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How to execute a java .class from the command line
...classpath ( where java looks for .class definitions )
If that's the case and listing the contents of your dir displays:
Echo.java
Echo.class
Then any of this may work:
java -cp . Echo "hello"
or
SET CLASSPATH=%CLASSPATH;.
java Echo "hello"
And later as Fredrik points out you'll get an...
Dark theme in Netbeans 7 or 8
...
Darcula
UPDATE 2016-02: NetBeans 8 now has a Darcula plugin, better and more complete than the alternatives discussed in old version of this Answer.
The attractive and productive Darcula theme in JetBrains IntelliJ is now available in NetBeans 8.0 & 8.1!
The Real Thing
This plugin p...