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Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
... managed bean is an object that its life cycle (construction, destruction, etc) is managed by a container.
In Java ee we have many containers that manage life cycle of their objects, like JSF container, EJB container, CDI container, Servlet container, etc.
All of these containers work kind of ind...
Argument list too long error for rm, cp, mv commands
...eading NULL-delimited input. And the whole dangerous (broken, exploitable, etc.), is fairly ridiculous. Undoubtedly you should be careful when using xargs, but it is not quite eval/evil.
– Reinstate Monica Please
Jul 25 '14 at 22:37
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Why use apparently meaningless do-while and if-else statements in macros?
...ive in the real world. Unless we can guarantee that all the if statements, etc, in our code use braces, then wrapping macros like this is a simple way of avoiding problems.
– Steve Melnikoff
Nov 20 '13 at 17:16
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What is the purpose of Serialization in Java?
...rbs, biomedical abbreviations, words semantically connected to each other, etc. The contents of these files are simple: words!
Now for each project, I needed to read the words from each of these files and put them into different arrays; as the contents of the file never changed, it became a common...
How do you use vim's quickfix feature?
...own, [<Space> and ]<Space> insert blank lines above and below, etc. I was surprised nobody mentioned it here before; that's probably because it didn't exist until January 2010, though the question was asked in 2009.
...
What exactly are “spin-locks”?
...
When you use regular locks (mutexes, critical sections etc), operating system puts your thread in the WAIT state and preempts it by scheduling other threads on the same core. This has a performance penalty if the wait time is really short, because your thread now has to wait for ...
What is the difference between a string and a byte string?
...le:
If you want to store music, you must first encode it using MP3, WAV, etc.
If you want to store a picture, you must first encode it using PNG, JPEG, etc.
If you want to store text, you must first encode it using ASCII, UTF-8, etc.
MP3, WAV, PNG, JPEG, ASCII and UTF-8 are examples of encoding...
Microsoft Roslyn vs. CodeDom
...se code, perform semantic analysis, compile and evaluate code dynamically, etc.
In addition to the compilers, the Roslyn team is also rebuilding the Visual Studio C# and VB IDE features on top of the public compiler APIs. So, the compiler APIs are rich enough to build the Visual Studio design-time ...
How to read from standard input in the console?
...
Good answer, but this fails when I try using backspace, etc keys
– kumarharsh
Feb 16 '17 at 8:33
4
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Proper way to use **kwargs in Python
...(**kwargs):
foo = kwargs.pop('foo')
bar = kwargs.pop('bar')
...etc...
is "the same as"
def f(foo=None, bar=None, **kwargs):
...etc...
this is not true. In the latter case, f can be called as f(23, 42), while the former case accepts named arguments only -- no positional calls. ...