大约有 8,000 项符合查询结果（耗时：0.0253秒） [XML]
Is UML practical? [closed]
...
A picture is still worth a thousand words, even when it's code, @BobTurbo. I don't see any rational argument against this -- and that includes arguments that begin with "Well real programmers..." If I'm going to have a conversation about architecture with my te...
What programming practice that you once liked have you since changed your mind about? [closed]
...vel is almost necessarily tedious, because of what is happening. In other words, it's like trying to teach someone to swim in a wading pool; it's just not the right context for them to understand the motions.
– Dan Lew
Jul 7 '09 at 21:53
...
Salting Your Password: Best Practices?
I've always been curious... Which is better when salting a password for hashing: prefix, or postfix? Why? Or does it matter, so long as you salt?
...
What does Ruby have that Python doesn't, and vice versa?
...'ll try to come up with one here just to explain what I mean.
Reverse the words in this string:
sentence = "backwards is sentence This"
When you think about how you would do it, you'd do the following:
Split the sentence up into words
Reverse the words
Re-join the words back into a string
I...
Difference between single and double square brackets in Bash
...tenate multiple commands, ( ) generates subshells unless escaped by \, and word expansion happens as usual.
[[ X ]] is a single construct that makes X be parsed magically. <, &&, || and () are treated specially, and word splitting rules are different.
There are also further differences l...
C# string reference type?
...nce by value and passing an object by reference. It's unfortunate that the word "reference" is used in both cases.
If you do pass the string reference by reference, it will work as you expect:
using System;
class Test
{
public static void Main()
{
string test = "before passing";
...
What's the state of the art in email validation for Rails?
...MAIL_ADDRESS_DOMAIN_REF}|#{EMAIL_ADDRESS_DOMAIN_LITERAL})"
EMAIL_ADDRESS_WORD = "(?:#{EMAIL_ADDRESS_ATOM}|#{EMAIL_ADDRESS_QUOTED_STRING})"
EMAIL_ADDRESS_DOMAIN = "#{EMAIL_ADDRESS_SUB_DOMAIN}(?:\\x2e#{EMAIL_ADDRESS_SUB_DOMAIN})*"
EMAIL_ADDRESS_LOCAL_PART = "#{EMAIL_ADDR...
jQuery: select all elements of a given class, except for a particular Id
...g examples to remove items that have an exact id, id containing a specific word, id starting with a word, etc... see http://www.w3schools.com/jquery/jquery_ref_selectors.asp for more information on jQuery selectors.
Ignore by Exact ID:
$(".thisClass").not('[id="thisId"]').doAction();
Ignore ID'...
PhpStorm wrap/surround selection?
...y and takes some learning curve.
It's very common behaviour that select a word and type single quote (or double quote) to surround it.
Hello World
'Hello World'
"Hello World"
To enable this, tick on checkbox of Preferences -> IDE -> Editor -> Smart Keys -> Surround Selection on typin...
Does Python have a string 'contains' substring method?
... with find, index, and in though, as they are substring searches. In other words, this:
s = "This be a string"
if s.find("is") == -1:
print("No 'is' here!")
else:
print("Found 'is' in the string.")
It would print Found 'is' in the string. Similarly, if "is" in s: would evaluate to True. T...