大约有 48,000 项符合查询结果（耗时：0.0831秒） [XML]
How to get Vim to highlight non-ascii characters?
...
This will do a negative match (via [^]) for characters between ASCII 0x00 and ASCII 0x7F (0-127), and appears to work in my simple test. For extended ASCII, of course, extend the range up to \xFF instead of \x7F using /[^\x00-\xFF].
You may also express it in decimal via \d:
/[^\d0-\d127]
If yo...
How to programmatically set drawableLeft on Android button?
I'm dynamically creating buttons. I styled them using XML first, and I'm trying to take the XML below and make it programattic.
...
ASP.NET MVC 4 Custom Authorize Attribute with Permission Codes (without roles)
...unauthorised user in your custom AuthorisationAttribute by overriding the HandleUnauthorizedRequest method:
protected override void HandleUnauthorizedRequest(AuthorizationContext filterContext)
{
filterContext.Result = new RedirectToRouteResult(
new RouteValueDictionary(
...
Why does dividing two int not yield the right value when assigned to double?
...ou are using the integer division version of operator/, which takes 2 ints and returns an int. In order to use the double version, which returns a double, at least one of the ints must be explicitly casted to a double.
c = a/(double)b;
...
Event on a disabled input
Apparently a disabled <input> is not handled by any event
10 Answers
10
...
How to check if IEnumerable is null or empty?
... Why is this necessarily bad? As in this case, it is sometimes very handy since it lets you treat things more homogeneously and with fewer special cases.
– Mr. Putty
Feb 18 '11 at 22:54
...
In Python, how do I convert all of the items in a list to floats?
...script which reads a text file, pulls decimal numbers out of it as strings and places them into a list.
12 Answers
...
Best way to serialize an NSData into a hexadeximal string
...alString];
This is "probably" better than calling [someData description] and then stripping the spaces, <'s, and >'s. Stripping characters just feels too "hacky". Plus you never know if Apple will change the formatting of NSData's -description in the future.
NOTE: I have had people reach ou...
Using scanf() in C++ programs is faster than using cin?
... a quick test of a simple case: a program to read a list of numbers from standard input and XOR all of the numbers.
iostream version:
#include <iostream>
int main(int argc, char **argv) {
int parity = 0;
int x;
while (std::cin >> x)
parity ^= x;
std::cout << parity...
moment.js 24h format
...
Stating your time as HH will give you 24h format, and hh will give 12h format.
You can also find it here in the documentation :
H, HH 24 hour time
h, or hh 12 hour time (use in conjunction with a or A)
...