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What can , and be used for?
...
Send params from View to an other View, from Sender View to Receiver View use viewParam and includeViewParams=true
In Sender
Declare params to be sent. We can send String, Object,…
Sender.xhtml
<f:metadata>
<f:viewPara...
What does void* mean and how to use it?
...ng);
The array expressions iArr, dArr, and lArr are implicitly converted from array types to pointer types in the function call, and each is implicitly converted from "pointer to int/double/long" to "pointer to void".
The comparison functions would look something like:
int compareInt(const void ...
Understanding garbage collection in .NET
...nds the lifetime of the local variable, preventing the reference it stores from getting garbage collected. The only time you need to use it is to stop the GC from being to over-eager with collecting a reference, that can happen in interop scenarios where a reference is passed to unmanaged code. Th...
What's the difference between tag and release?
... GitHub higher level concept.
As stated in the official announcement post from the GitHub blog: "Releases are first-class objects with changelogs and binary assets that present a full project history beyond Git artifacts."
A Release is created from an existing tag and exposes release notes and lin...
How can I String.Format a TimeSpan object with a custom format in .NET?
...self must be escaped unless you're using a verbatim string).
This excerpt from the MSDN Custom TimeSpan Format Strings page explains about escaping the ":" and "." characters in a format string:
The custom TimeSpan format specifiers do not include placeholder separator symbols, such as the symb...
serve current directory from command line
could someone give me a hint, howto serve the current directory from command line with ruby? it would be great, if i can have some system wide configuration (e.g. mime-types) and simply launch it from every directory.
...
How to override the copy/deepcopy operations for a Python object?
...lex Martelli's answer and Rob Young's comment you get the following code:
from copy import copy, deepcopy
class A(object):
def __init__(self):
print 'init'
self.v = 10
self.z = [2,3,4]
def __copy__(self):
cls = self.__class__
result = cls.__new__(cl...
How set the android:gravity to TextView from Java side in Android
... only goes half way, not clearly stating where I get the gravity constants from (Gravity.CENTER etc).
– Hein du Plessis
Oct 9 '12 at 5:41
1
...
Multiple returns from a function
...t in str_replace, $matches in preg_match). This might feel quite different from returning multiple values, but it is worth at least knowing about.
A third method is to use an object to hold the different values you need. This is more typing, so it's not used quite as often as the two methods above....
What is the purpose of mock objects?
...e to provide). The mock will indicate whether what really happens differs from what is supposed to happen. A custom mock object could be created from scratch for each test case to execute the expected behavior for that test case, but a mocking framework strives to allow such a behavior specificati...