大约有 45,063 项符合查询结果（耗时：0.0315秒） [XML]
How do I check that multiple keys are in a dict in a single pass?
...
+1, I like this better than Greg's answer because it's more concise AND faster (no building of irrelevant temporary list, AND full exploitation of short-circuiting).
– Alex Martelli
Aug 17 '09 at 2:34
...
Cutting the videos based on start and end time using ffmpeg
...code differences from other frames, they require all of the data starting with the previous keyframe.
With the mp4 container it is possible to cut at a non-keyframe without re-encoding using an edit list. In other words, if the closest keyframe before 3s is at 0s then it will copy the video starti...
Can I squash commits in Mercurial?
I have a pair of commits that should really be just one. If I was using git, I would use:
8 Answers
...
How to check in Javascript if one element is contained within another
... answers as well.
Old answer:
Using the parentNode property should work. It's also pretty safe from a cross-browser standpoint. If the relationship is known to be one level deep, you could check it simply:
if (element2.parentNode == element1) { ... }
If the the child can be nested arbitrarily d...
Malloc vs new — different padding
...r communications between (potentially) different machines on different architectures. He's written a comment that says something along the lines of:
...
Why is it possible to recover from a StackOverflowError?
I'm surprised at how it is possible to continue execution even after a StackOverflowError has occurred in Java.
5 Answers...
Can I use git diff on untracked files?
Is it possible to ask git diff to include untracked files in its diff output, or is my best bet to use git add on the newly created files and the existing files I have edited, then use:
...
What characters are forbidden in Windows and Linux directory names?
... of forbidden filename characters is not going to work on Windows because it reserves filenames as well as characters. Yes, characters like
* " ? and others are forbidden, but there are a infinite number of names composed only of valid characters that are forbidden. For example, spaces and dots are ...
Has Facebook sharer.php changed to no longer accept detailed parameters?
We have been opening a sharing popup (via window.open) with the URL like
5 Answers
5
...
Installing a local module using npm?
I have a downloaded module repo, I want to install it locally, not globally in another directory?
7 Answers
...