大约有 7,000 项符合查询结果（耗时：0.0174秒） [XML]
javascript regex - look behind alternative?
... regex can be found at Regular expression to match string not containing a word?
Look ahead is available since version 1.5 of javascript and is supported by all major browsers
Updated to match filename2.js and 2filename.js but not filename.js
(^(?!filename\.js$).).+\.js
...
What should I name a table that maps two tables together? [closed]
...w information. I think that is what happens when you try to find a fitting word for junction tables. People reading newspapers do not make them subscribers, and there are not shapes without color. Using "subscribers" are adding new information (meaning) when connecting readers to newspapers. And the...
Split by comma and strip whitespace in Python
...y flawed?) test on my box applying the three methods in a loop revealed:
[word.strip() for word in string.split(',')]
$ time ./list_comprehension.py
real 0m22.876s
map(lambda s: s.strip(), string.split(','))
$ time ./map_with_lambda.py
real 0m25.736s
map(str.strip, string.split(','))
$ ti...
Does “untyped” also mean “dynamically typed” in the academic CS world?
...a contradiction in terms in the face of the common mathematical use of the word "type".
For example, here is the definition of "type system" that Benjamin Pierce uses in his standard text book Types and Programming Languages:
A type system is a tractable syntactic method for proving the absence...
Looping over arrays, printing both index and value
...
Important note, while iterable, a space separated list of words is not an array. Wrap it like so (a b c) to convert it to an array.
– Breedly
Aug 19 '16 at 18:59
...
What are the differences between double-dot “..” and triple-dot “…” in Git diff commit ranges?
...r
git diff $(git merge-base foo bar) bar # same thing as above
In other words, git diff foo..bar is exactly the same as git diff foo bar; both will show you the difference between the tips of the two branches foo and bar. On the other hand, git diff foo...bar will show you the difference between...
Can anyone explain IEnumerable and IEnumerator to me? [closed]
...k at the role of
IEnumerable and IEnumerator. Recall that C# supports a keyword named foreach that allows you to
iterate over the contents of any array type:
// Iterate over an array of items.
int[] myArrayOfInts = {10, 20, 30, 40};
foreach(int i in myArrayOfInts)
{
Console.WriteLine(i);
}
Whi...
Authentication versus Authorization
...
In short, please. :-)
Authentication = login + password (who you are)
Authorization = permissions (what you are allowed to do)
Short "auth" is most likely to refer either to the first one or to both.
...
What does “1 line adds whitespace errors” mean when applying a patch?
...oneous about the change, and it will apply cleanly and correctly. In other words, if you don't care about the "incorrect" whitespace, feel free to ignore the warning or turn it off with git config apply.whitespace nowarn.
sh...
Position of least significant bit that is set
...elpful references:
"Using de Bruijn Sequences to Index a 1 in a Computer Word" - Explanation about why the above code works.
"Board Representation > Bitboards > BitScan" - Detailed analysis of this problem, with a particular focus on chess programming
...