大约有 9,000 项符合查询结果(耗时:0.0261秒) [XML]
Print a string as hex bytes?
...:] is "0" and "\x00".encode("hex") == "00"
– Will Daniels
May 10 '13 at 13:24
3
Why did you decid...
Check if an element is a child of a parent
...
Vanilla 1-liner for IE8+:
parent !== child && parent.contains(child);
Here, how it works:
function contains(parent, child) {
return parent !== child && parent.contains(child);
}
var parentEl = document.querySelecto...
Delete all but the most recent X files in bash
...f unintended globbing.
inability to distinguish between files and directories (i.e., if directories happened to be among the 5 most recently modified filesystem items, you'd effectively retain fewer than 5 files, and applying rm to directories will fail).
wnoise's answer addresses these issues, b...
How can I get a JavaScript stack trace when I throw an exception?
...g with the URL, its calling function, and so on.
Original (2009):
A modified version of this snippet may somewhat help:
function stacktrace() {
function st2(f) {
return !f ? [] :
st2(f.caller).concat([f.toString().split('(')[0].substring(9) + '(' + f.arguments.join(',') + ')']);
...
JavaScript variables declare outside or inside loop?
In AS3 I believe you should initialise all variables outside loops for increased performance. Is this the case with JavaScript as well? Which is better / faster / best-practice?
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Implements vs extends: When to use? What's the difference?
...ch on dynamic binding, polymorphism and in general inheritance in Object-oriented programming
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Download the Android SDK components for offline install
...y/addons_list-2.xml stop being the main repo?
– Pacerier
Nov 12 '14 at 6:35
@Pacerier it's an example you have to see ...
Random row from Linq to Sql
What is the best (and fastest) way to retrieve a random row using Linq to SQL when I have a condition, e.g. some field must be true?
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How to delete the last n commits on Github and locally?
I'm trying to delete the last 2 commits from one of my GitHub repositories. I've tried as suggested here : git push -f origin HEAD^^:master . It seems that it works, as the last two commits are removed.
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Hidden features of Perl?
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This is such a common idiom that it hardly qualifies as a "hidden" feature.
– Michael Carman
Oct 2 '08 at 13:28
3
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