大约有 35,100 项符合查询结果（耗时：0.0444秒） [XML]
counting number of directories in a specific directory
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anishsane
16.8k55 gold badges3232 silver badges6262 bronze badges
answered Jul 15 '13 at 6:41
Pavel AnossovPavel An...
Create Django model or update if exists
I want to create a model object, like Person, if person's id doesn't not exist, or I will get that person object.
6 Answer...
Printing hexadecimal characters in C
...s a solution:
char ch = 0xC0;
printf("%x", ch & 0xff);
This will mask out the upper bits and keep only the lower 8 bits that you want.
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How can I view a git log of just one user's commits?
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This works for both git log and gitk - the 2 most common ways of viewing history.
You don't need to use the whole name:
git log --author="Jon"
will match a commit made by "Jonathan Smith"
git log --author=Jon
and
git log --author=S...
C# switch on type [duplicate]
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Noctis
10.7k33 gold badges3535 silver badges7171 bronze badges
answered Dec 18 '10 at 14:51
Mark HMark H
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Check whether an input string contains a number in javascript
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If I'm not mistaken, the question requires "contains number", not "is number". So:
function hasNumber(myString) {
return /\d/.test(myString);
}
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Detect IE version (prior to v9) in JavaScript
...lt;!--<![endif]-->
<head>
Then you can just use CSS to make style exceptions, or, if you require, you can add some simple JavaScript:
(function ($) {
"use strict";
// Detecting IE
var oldIE;
if ($('html').is('.lt-ie7, .lt-ie8, .lt-ie9')) {
oldIE = true;
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How to Deep clone in javascript
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It really depends what you would like to clone. Is this a truly JSON object or just any object in JavaScript? If you would like to do any clone, it might get you into some trouble. Which trouble? I will explain it below, but first, a code example which clones ...
Get a list of all threads currently running in Java
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To get an iterable set:
Set<Thread> threadSet = Thread.getAllStackTraces().keySet();
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CSS: Setting width/height as Percentage minus pixels
... CSS classes for more consistency and less clutter on my site, and I'm stuck on trying to standardize one thing I use frequently.
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