大约有 47,000 项符合查询结果（耗时：0.0659秒） [XML]
Handling specific errors in JavaScript (think exceptions)
...
To create custom exceptions, you can inherit from the Error object:
function SpecificError () {
}
SpecificError.prototype = new Error();
// ...
try {
throw new SpecificError;
} catch (e) {
if (e instanceof SpecificError) {
// specific error
} else {
thr...
What is the use of the ArraySegment class?
...s Program
{
static void Main()
{
// Create an ArraySegment from this array.
int[] array = { 10, 20, 30 };
ArraySegment<int> segment = new ArraySegment<int>(array, 1, 2);
// Write the array.
Console.WriteLine("-- Array --");
int[] o...
Least common multiple for 3 or more numbers
...
Some Python code that doesn't require a function for gcd:
from sys import argv
def lcm(x,y):
tmp=x
while (tmp%y)!=0:
tmp+=x
return tmp
def lcmm(*args):
return reduce(lcm,args)
args=map(int,argv[1:])
print lcmm(*args)
Here's what it looks like in the ter...
Executing a command stored in a variable from PowerShell
...med on my own system that 7z.exe gave the error you described, just typing from the command prompt, but with the full path to 7z.exe (for me, it was 'C:\Program Files\7-zip\7z.exe', I could execute 7z.exe.
– kbrimington
Aug 29 '10 at 0:04
...
CocoaPods - use specific pod version
...e terminal for the change to take place. Of course, this needs to be done from your project's top level folder. If the update does not occur, edit your Podfile.lock file and change the AFNetworking version # to something less than what it is and issue a pod update in the terminal again. This tell...
Wait until file is unlocked in .NET
...
Starting from Eric's answer, I included some improvements to make the code far more compact and reusable. Hope it's useful.
FileStream WaitForFile (string fullPath, FileMode mode, FileAccess access, FileShare share)
{
for (int nu...
Import PEM into Java Key Store
...port a PEM into JKS. May be a good idea to add a command for exporting JKS from store.
– Vishal Biyani
Mar 22 '16 at 3:54
2
...
Am I immoral for using a variable name that differs from its type only by case?
...was no semantic meaning I could give a primitive I would use i or s, apart from loop indices I cant't think of any other such scenario.
– AnthonyWJones
Jan 20 '09 at 13:19
1
...
Can I browse other people's (Apple) bug reports? [closed]
...f I can't look up their bug reports by ID)? I guess perchance that someone from Apple who organizes bug reports is reading Stack Overflow?
– ma11hew28
Jun 26 '14 at 15:20
...
Remove all subviews?
...views:
[[someUIView subviews]
makeObjectsPerformSelector:@selector(removeFromSuperview)];
Thank you to Tommy for pointing out that makeObjectsPerformSelector: appears to modify the subviews array while it is being enumerated (which it does for NSView, but not for UIView).
Please see this SO que...