大约有 40,000 项符合查询结果(耗时:0.0729秒) [XML]
How to select html nodes by ID with jquery when the id contains a dot?
...g the same stylesheet, or setting states with client-side-scripting. For example “#navhome.navselected”.
– bobince
Mar 3 '09 at 10:43
...
Join a list of strings in python and wrap each string in quotation marks
...= ['hello', 'world', 'you', 'look', 'nice']
>>> ', '.join('"{0}"'.format(w) for w in words)
'"hello", "world", "you", "look", "nice"'
share
|
improve this answer
|
...
Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
...sed then require the parameter to be a pointer declarator. E.g. in pat's example, void foo(int (*args)[20]); Also, strictly speaking C does not have multi-dimensional arrays; but it has arrays whose elements can be other arrays. This doesn't change anything.
– M.M
...
How to read a text file reversely with iterator in C#
...dle that.
characterStartDetector = (pos, data) => (pos & 1) == 0;
}
else if (encoding is UTF8Encoding)
{
// For UTF-8, bytes with the top bit clear or the second bit set are the start of a character
// See htt...
Nullable vs. int? - Is there any difference?
...ose two.
For the gory details see this question, but to give you a quick example here:
void Test<T>(T a, bool b)
{
var test = a is int? & b; // does not compile
var test2 = a is Nullable<int> & b; // does compile
}
The first line gives the following err...
Swapping two variable value without using third variable
...e it should output the optimum machine code for your platform.
Take for example this quick test program written in C.
#include <stdlib.h>
#include <math.h>
#define USE_XOR
void xorSwap(int* x, int *y){
if ( x != y ){
*x ^= *y;
*y ^= *x;
*x ^= *y;
}
}
...
parseInt(null, 24) === 23… wait, what?
...
@Ignacio. Actually, I was wrong. I didn't realize 37 was referring to a radix. Sorry about that.
– Mike Samuel
Jun 23 '11 at 20:15
...
What does the caret (^) character mean?
I saw an answer to a question here that helps restore a deleted file in git.
8 Answers
...
Bower and devDependencies vs dependencies
I ran 'yo angular' and realized afterwards that it installs 1.0.8, I uninstalled the angular components, however the original bower.json file had angular-mocks and angular-scenario under 'devDependencies' when I re-add all the 1.2.0-rc.2 components angular-mocks and angular-scenario under dependenci...
How to redirect the output of an application in background to /dev/null
...
You use:
yourcommand > /dev/null 2>&1
If it should run in the Background add an &
yourcommand > /dev/null 2>&1 &
>/dev/null 2>&1 means redirect stdout to /dev/null AND stderr to the place where stdout points at that time
If...
