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Configuring Log4j Loggers Programmatically
...e additivity flag).
If you need to know how logging works and how is decided where logs are written read this manual for more infos about that.
In Short:
Logger fizz = LoggerFactory.getLogger("com.fizz")
will give you a logger for the category "com.fizz".
For the above example this means tha...
Is a Python list guaranteed to have its elements stay in the order they are inserted in?
...plicitly made to do so. stacks and queues are both types of lists that provide specific (often limited) behavior for adding and removing elements (stacks being LIFO, queues being FIFO). Lists are practical representations of, well, lists of things. A string can be thought of as a list of characters,...
Is it safe to remove selected keys from map within a range loop?
...ebastian's answer is accurate, but I wanted to know why it was safe, so I did some digging into the Map source code. It looks like on a call to delete(k, v), it basically just sets a flag (as well as changing the count value) instead of actually deleting the value:
b->tophash[i] = Empty;
(Empt...
SVN how to resolve new tree conflicts when file is added on two branches
...estination branch 'B2'.
If you still are working on the source branch, the ideal scenario would be to remove that file from the source branch B1, merge back from B2 to B1 in order to make that file visible on B1 (you will then work on the same element).
If a merge back is not possible because merges...
How to swap files between windows in VIM?
...--native functionality, not a custom Vimscript.
– David Rivers
Mar 30 '11 at 14:34
1
Not complete...
What are the differences between Clojure, Scheme/Racket and Common Lisp?
...e language level (worth watching: http://www.infoq.com/presentations/Value-Identity-State-Rich-Hickey)
Scheme distinctive features:
Arguably the simplest and easiest to learn Lisp
Hygienic macros (see http://en.wikipedia.org/wiki/Hygienic_macro) - elegantly avoids the problems with accidental sy...
What does “default” mean after a class' function declaration?
... = delete is stronger: It means, using that function is forbidden, though it still takes part in overload resolution.
– Deduplicator
Jan 26 '15 at 4:25
2
...
The difference between fork(), vfork(), exec() and clone()
...to be a huge amount of information on this, but there really wasn't any solid comparison between the four calls.
5 Answers...
Difference between JVM and HotSpot?
...e javac Java compiler.For more on it, visit its site.
The current JVM provided by Sun/Oracle is called HotSpot because it seeks hot spots of use in the code (places where code is more intensively used) for "just-in-time" optimization. From the wikipedia, HotSpot, released as the "Java HotSpot Perfo...
What is __main__.py?
...ogram is accessible as a module
$ python -m my_program
You'll have to decide for yourself whether your application could benefit from being executed like this.
Note that a __main__ module usually doesn't come from a __main__.py file. It can, but it usually doesn't. When you run a script like py...