大约有 15,900 项符合查询结果（耗时：0.0105秒） [XML]
Django: Get an object form the DB, or 'None' if nothing matches
... this before 1.6! But as for this construct - it is just clumsy. It's not "evil" because some tutorial author of your favourite language said so. Try google: "ask forgiveness rather than permission".
– Tomasz Gandor
Aug 31 '13 at 6:44
...
How to copy text from Emacs to another application on Linux
...aste” is the X clipboard.
– Gilles 'SO- stop being evil'
Sep 28 '14 at 22:04
Thanks... looks like the variable has b...
Can HTML checkboxes be set to readonly?
...ools us, as ConroyP explained.
– ANeves thinks SE is evil
May 5 '10 at 18:52
121
Intuition does n...
C++ equivalent of java's instanceof
... There are many examples of reasonable uses of dynamic type testing. It's not usually preferred, but it has a place. (Otherwise, why would it or its equivalent appear in every major OO-language: C++, Java, Python, etc.?)
– Paul Draper
Feb 3 '13 a...
design a stack such that getMinimum( ) should be O(1)
...r equal".
EDIT: Here's an implementation of Pete's evil scheme. I haven't tested it thoroughly, but I think it's okay :)
using System.Collections.Generic;
public class FastMinStack<T>
{
private readonly Stack<T> stack = new Stack<T>();
// Could pass this in to the constr...
How to write a foreach in SQL Server?
...
Although cursors usually considered horrible evil I believe this is a case for FAST_FORWARD cursor - the closest thing you can get to FOREACH in TSQL.
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SVN how to resolve new tree conflicts when file is added on two branches
...esign document:
XFAIL conflict from merge of add over versioned file
This test does a merge which brings a file addition without history onto an
existing versioned file.
This should be a tree conflict on the file of the 'local obstruction, incoming add upon merge' variety. Fixed expectations in r35...
How to pass parameters on onChange of html select
...
Your evil eval-like string-to-code conversion is not necessary. Actually newSelect.onchange = changeitem; works fine if you rewrite changeitem as var changeitem = function () {console.log(this.selectedIndex); }; (i.e. using this i...
Unzip files programmatically in .net
...o not a third-party extension.
– ANeves thinks SE is evil
Nov 10 '15 at 17:05
1
Why should I use ...
PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
...ng on HTTPS (unless you're running on a non-standard port, which I haven't tested).
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