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How do I sort an observable collection?
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Sorting an observable and returning the same object sorted can be done using an extension method. For larger collections watch out for the number of collection changed notifications.
I have updated my code to improve performance (thanks to nawfal)...
libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...入门的朋友指引。
一.下载安装
1.到http://curl.haxx.se/download.html上下载最新版本，由于公司的机器安装rpm有依赖关系，所以直接下载了source
2.编译。解压后进入curl的目录，直接执行 make all 就行。
3.等待编译结束后，可...
How can I specify working directory for popen
Is there a way to specify the running directory of command in Python's subprocess.Popen() ?
1 Answer
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How can you program if you're blind?
...my answer will be based off these. I use windows xp as my operating system and Jaws to read what appears on the screen to me in synthetic speech. For java programming I use eclipse, since it’s a fully featured IDE that is accessible.
In my experience as a general rule java programs that use SWT ...
android fragment- How to save states of views in a fragment when another fragment is pushed on top o
In android, a fragment (say FragA ) gets added to the backstack and another fragment (say FragB ) comes to the top. Now on hitting back FragA comes to the top and the onCreateView() is called. Now I had FragA in a particular state before FragB got pushed on top of it.
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How to find the php.ini file used by the command line?
...d to enable pdo_mysql in my EasyPhp environment, so I went to php.ini file and uncommented the following line:
14 Answers
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C++ equivalent of Java's toString?
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In C++ you can overload operator<< for ostream and your custom class:
class A {
public:
int i;
};
std::ostream& operator<<(std::ostream &strm, const A &a) {
return strm << "A(" << a.i << ")";
}
This way you can output instances ...
Is there a built-in function to print all the current properties and values of an object?
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Pretty printing is also available in the interactive debugger as a command:
(Pdb) pp vars()
{'__builtins__': {'ArithmeticError': <type 'exceptions.ArithmeticError'>,
'AssertionError': <type 'exceptions.AssertionError'>,
'AttributeError': <type ...
Make Font Awesome icons in a circle?
... the icon is rendered by CSS later: <i class="fa fa-lock"></i> and this is what @Schneider actually asked for.
– Jan
Nov 9 '14 at 0:09
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How to determine the Boost version on a system?
...re it out manually (rather than in-code), the go to the include directory, and open up version.hpp. BOOST_VERSION takes a bit of deciphering, but BOOST_LIB_VERSION is pretty clear. The value of mine is currently "1_42"
– T.E.D.
Sep 14 '10 at 12:44
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