大约有 40,100 项符合查询结果(耗时:0.0589秒) [XML]
How to get whole and decimal part of a number?
...or($n); // 1
$fraction = $n - $whole; // .25
Then compare against 1/4, 1/2, 3/4, etc.
In cases of negative numbers, use this:
function NumberBreakdown($number, $returnUnsigned = false)
{
$negative = 1;
if ($number < 0)
{
$negative = -1;
$number *= -1;
}
if ($returnUn...
When should I use a composite index?
...
Mark CanlasMark Canlas
8,69144 gold badges3636 silver badges6060 bronze badges
...
Split string into an array in Bash
...
1144
IFS=', ' read -r -a array <<< "$string"
Note that the characters in $IFS are treated...
How do I add an existing directory tree to a project in Visual Studio?
...
1475
You need to put your directory structure in your project directory. And then click "Show All F...
How to duplicate object properties in another object?
...
14 Answers
14
Active
...
Is there a “previous sibling” selector?
...
answered Nov 30 '09 at 4:08
cletuscletus
561k152152 gold badges873873 silver badges927927 bronze badges
...
Rails: select unique values from a column
...
454
Model.select(:rating)
Result of this is a collection of Model objects. Not plain ratings. An...
How do I set default terminal to terminator? [closed]
...e 3 /usr/bin/terminator 50 manual mode 4 /usr/bin/uxterm 20 manual mode 5 /usr/bin/xfce4-terminal.wrapper 40 manual mode 6 /usr/bin/xterm 20 manual mode
...
Concurrent vs serial queues in GCD
...
answered Oct 4 '13 at 11:12
Stephen DarlingtonStephen Darlington
48.8k1111 gold badges101101 silver badges147147 bronze badges
...
Can I use break to exit multiple nested 'for' loops?
...
245
AFAIK, C++ doesn't support naming loops, like Java and other languages do. You can use a goto,...
