大约有 40,000 项符合查询结果（耗时：0.0319秒） [XML]
How to process SIGTERM signal gracefully?
...n, similar to if you were to Ctrl+C your program.
Example program signals-test.py:
#!/usr/bin/python
from time import sleep
import signal
import sys
def sigterm_handler(_signo, _stack_frame):
# Raises SystemExit(0):
sys.exit(0)
if sys.argv[1] == "handle_signal":
signal.signal(signa...
What's the fastest way to loop through an array in JavaScript?
...
After performing this test with most modern browsers:
https://jsben.ch/wY5fo
Currently, the fastest form of loop (and in my opinion the most syntactically obvious).
A standard for-loop with length caching
var i = 0, len = myArray.length;
w...
Container View Controller Examples [closed]
... autorelease];
// create test1 and test2 instance (subclass UIViewController and
// also need to define their own nibs)
vc1 = [[test1 alloc]initWithNibName:@"test1" bundle:nil];
vc2 = [[test2 alloc]initWithNibName:@"test2" bundle:nil];
...
How to create a temporary directory/folder in Java?
...
If you need a temporary directory for testing and you are using jUnit, @Rule together with TemporaryFolder solves your problem:
@Rule
public TemporaryFolder folder = new TemporaryFolder();
From the documentation:
The TemporaryFolder Rule allows creation of...
Dealing with commas in a CSV file
... including embedded quotes and carriage returns.
By the way, this is unit-tested code. I’m posting it now because this question seems to come up a lot and others may not want an entire library when simple CSV support will do.
You can use it as follows:
using System;
public class test
{
p...
Efficiency of premature return in a function
...
There is no difference at all:
=====> cat test_return.cpp
extern void something();
extern void something2();
void test(bool b)
{
if(b)
{
something();
}
else
something2();
}
=====> cat test_return2.cpp
extern void something();
exter...
Is there a C# type for representing an integer Range?
... the range.</summary>
/// <param name="value">The value to test</param>
/// <returns>True if the value is inside Range, else false</returns>
public bool ContainsValue(T value)
{
return (this.Minimum.CompareTo(value) <= 0) && (value.Com...
Test whether a Ruby class is a subclass of another class
I would like to test whether a class inherits from another class, but there doesn't seem to exist a method for that.
2 Answ...
Custom exception type
...at stack traces work on Firefox and other browsers. It satisfies the same tests that he posted:
Usage:
throw new InvalidArgumentException();
var err = new InvalidArgumentException("Not yet...");
And it will behave is expected:
err instanceof InvalidArgumentException // -> true
err ...
Convert a PHP object to an associative array
...
class Test{
const A = 1;
public $b = 'two';
private $c = test::A;
public function __toArray(){
return call_user_func('get_object_vars', $this);
}
}
$my_test = new Test();
var_dump((array)$my_test);
var...