大约有 5,818 项符合查询结果（耗时：0.0211秒） [XML]
Get value of c# dynamic property via string
...
@IllidanS4 when you compared the CallSite code vs CallByName code did you compare the two while caching the CallSite instance? I would suspect the cost of your first method is almost purely the activation of the Binder and CallSite, not the invocation of Target()
...
How can I get dict from sqlite query?
...s ± 1.05 µs per loop (mean ± std. dev. of 7 runs, 100000 loops each)
vs:
conn.row_factory = lambda c, r: dict([(col[0], r[idx]) for idx, col in enumerate(c.description)])
c = conn.cursor()
%timeit c.execute('SELECT * FROM table').fetchall()
19.4 µs ± 75.6 ns per loop (mean ± std. dev. of 7...
Multiple file-extensions searchPattern for System.IO.Directory.GetFiles
...performance boost (What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?)
"IgnoreCase" should be faster than "ToLower"
Or, it may be faster to split and merge your globs (at least it looks cleaner):
"*.ext1;*.ext2".Split(';')
.SelectMany(g => Directory.EnumerateFil...
What is the “double tilde” (~~) operator in JavaScript? [duplicate]
... would need to write different optimised code for each browser.
See: tilde vs floor
share
|
improve this answer
|
follow
|
...
What are all the common ways to read a file in Ruby?
...
community wiki
5 revs, 4 users 56%fl00r
14
...
How can I do a case insensitive string comparison?
... be aware of the advantages and pitfalls of using CurrentCultureIgnoreCase vs. OrdinalIgnoreCase. If you don't need the semantics of culture comparison, save some performance and use ordinal comparison.
– ErikE
Dec 1 '16 at 23:42
...
'git status' shows changed files, but 'git diff' doesn't
...
This also helped if you're running VSCode using a Docker container which mounts your directory on Windows 10. On the outside of the container, checking the git status, correctly shows that you have not changed any files. But if you check git status inside the ...
Fully backup a git repo?
... think my answer is wrong, or invalid. You can see both approaches as hot- vs cold-backup.
– KingCrunch
Apr 7 '16 at 7:01
...
Sorting a list using Lambda/Linq to objects
...j, null );
}
}
You might also want to look at Dynamic LINQ from the VS2008 Samples library. You could use the IEnumerable extension to cast the List as an IQueryable and then use the Dynamic link OrderBy extension.
list = list.AsQueryable().OrderBy( sortBy + " " + sortDirection );
...
Javascript swap array elements
...years ago, another answer was posted 22 seconds before this one (12:14:16Z vs 12:14:38Z)...
– Marc Gravell♦
Jun 26 '19 at 10:10
...