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How do I tell if a regular file does not exist in Bash?
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More succinctly: [ ! -f /tmp/foo.txt ] && echo "File not found!"
– DavidWinterbottom
Sep 29 '10 at 12:09
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How do I print to the debug output window in a Win32 app?
...y be unsafe. Use freopen_s instead:
FILE* fp;
AllocConsole();
freopen_s(&fp, "CONIN$", "r", stdin);
freopen_s(&fp, "CONOUT$", "w", stdout);
freopen_s(&fp, "CONOUT$", "w", stderr);
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How can I enable auto complete support in Notepad++?
...r found any more documentation, but cpp.xml has a calltip for fopen, while php.xml is quite complete.
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What exactly does big Ө notation represent?
... the algorithm is both big-O and big-Omega in the given function.
For example, if it is Ө(n), then there is some constant k, such that your function (run-time, whatever), is larger than n*k for sufficiently large n, and some other constant K such that your function is smaller than n*K for suffic...
AngularJS - How to use $routeParams in generating the templateUrl?
... // or other onload stuff
}
// initialize
$scope.templateUrl = 'ci_index.php/adminctrl/enquiry/'+$routeParams.page;
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I believe it is a weakness in angularjs that $routeParams is NOT visible inside the router. A tiny enhancement would make a world of difference during implementation.
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Zip lists in Python
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Source: My Blog Post (better formatting)
Example
numbers = [1,2,3]
letters = 'abcd'
zip(numbers, letters)
# [(1, 'a'), (2, 'b'), (3, 'c')]
Input
Zero or more iterables [1] (ex. list, string, tuple, dictionary)
Output (list)
1st tuple = (element_1 of numbers,...
What are the rules for the “…” token in the context of variadic templates?
...essions now) are separated by comma ,.
It can be best understood by some examples. Suppose you have this function template:
template<typename ...T> //pack
void f(T ... args) //pack
{
// here are unpack patterns
g( args... ); //pattern = args
h( x(args)... ); //pattern...
Function passed as template argument
...since all the compiler knows is that a function pointer type void (*)(int &) is being passed to doOperation. (But add3, being a functor, can be inlined easily. Here, the compiler knows that an object of type add3 is passed to the function, which means that the function to call is add3::operator(...
Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...一个Key Value的数据结构，它很像Javascript中的Object，或是PHP中的数组，在别的语言里叫Dict或Map，Table长成这个样子：haoel = {name="ChenHao", age=37, handsome=True}复制代码
下面是table的CRUD操作：haoel.website="http://coolshell.cn/"
lo...
Auto-fit TextView for Android
...m posting code here at per android developer's request:
Final effect:
Sample Layout file:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="16dp" &g...