大约有 3,300 项符合查询结果（耗时：0.0146秒） [XML]
How to reset a timer in C#?
...
I always do ...
myTimer.Stop();
myTimer.Start();
... is that a hack? :)
Per comment, on Threading.Timer, it's the Change method ...
dueTime Type: System.Int32 The
amount of time to delay before the
invoking the callback method specified
when the Timer was constructed, in
mil...
How to get the browser viewport dimensions?
...y not be perfect, but it works in my testing on iOs and Android.
//sweet hack to set meta viewport for desktop sites squeezing down to mobile that are big and have a fixed width
//first see if they have window.screen.width avail
(function() {
if (window.screen.width)
{
var setVi...
How to echo shell commands as they are executed
...-v) later in the script.
The above also works with /bin/sh.
See the bash-hackers' wiki on set attributes, and on debugging.
$ cat shl
#!/bin/bash
DIR=/tmp/so
ls $DIR
$ bash -x shl
+ DIR=/tmp/so
+ ls /tmp/so
$
...
Is there an SQLite equivalent to MySQL's DESCRIBE [table]?
... That is the appropriate way to access a database. I would never recommend hacking a command-line program designed to provide ad-hoc queries. Your suggestion is deeply mistaken. A command-line program for ad-hoc queries is CERTAINLY NOT the most appropriate access point for program code to run queri...
Using Pylint with Django
...s work.
Edit: After messing around with this a little more, I decided to hack PyLint just a tiny bit to allow me to expand the above into:
[TYPECHECK]
generated-members=REQUEST,acl_users,aq_parent,objects,_meta,id,[a-zA-Z]+_set
I simply added:
import re
for pattern in self.config.gener...
My images are blurry! Why isn't WPF's SnapsToDevicePixels working?
...es and I couldn't ask the client to convert them all, so I had to use this hack.
– JustAMartin
Nov 28 '12 at 20:44
|
show 5 more comments
...
How can I find the length of a number?
...ice. I see that method is basically a math one anyway, but with some speed hacks. It drops a Math.ceil and uses a faster Math.abs instead. But I honestly didn't expect that performance gain in Chrome... Nice to know!
– MaxArt
Oct 7 '14 at 20:24
...
Convert hex to binary
...ading zeros?
We have several direct ways to accomplish this goal, without hacks using slices.
First, before we can do any binary manipulation at all, convert to int (I presume this is in a string format, not as a literal):
>>> integer = int('ABC123EFFF', 16)
>>> integer
73767976...
Max retries exceeded with URL in requests
...
The sleep loop fixed my problem - a bit of a hack, but by looping a couple of times while handling the error response, I was able to brute force a solution.
– elPastor
Mar 29 '17 at 0:20
...
Python Infinity - Any caveats?
...
97
You can still get not-a-number (NaN) values from simple arithmetic involving inf:
>>>...