大约有 44,000 项符合查询结果（耗时：0.0597秒） [XML]
What are all codecs and formats supported by FFmpeg?
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Thank you very much llogan for those extra filtering options. Is it possible to further go, and for example ask FFMPEG to list all Encoders/Decoders that are only for Video, or only for Audio?
– spaceman
May 4 at 15:39
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How to wait for a keypress in R?
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This answer is similar to that of Simon's, but does not require extra input other than a newline.
cat("Press Enter to continue...")
invisible(scan("stdin", character(), nlines = 1, quiet = TRUE))
Using nlines=1 instead of n=1, the user can simply press enter to continue the Rscript.
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ASP.NET MVC 404 Error Handling [duplicate]
...ng the user with overall look and feel of the rest of the site without any extra work.
– Dimskiy
Jan 27 '11 at 16:47
7
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Which Eclipse files belong under version control?
...kly import in their Eclipse workspace, just because you happen to have one extra definition that would fit only your need of the moment.
– VonC
Nov 28 '11 at 19:03
7
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Is there a way to iterate over a dictionary?
...Enumerator:
NSEnumerator *enumerator = [myDict keyEnumerator];
id key;
// extra parens to suppress warning about using = instead of ==
while((key = [enumerator nextObject]))
NSLog(@"key=%@ value=%@", key, [myDict objectForKey:key]);
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no gravity for scrollview. how to make content inside scrollview as center
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This looks like the most correct implementation, no extra views required.
– DariusL
Aug 12 '15 at 13:49
1
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Can git ignore a specific line?
...ne a path that is marked as assume-unchanged has changed without incurring extra lstat(2) cost, it reserves the right to report that the path has been modified (…git commit -a is free to commit that change).'
– Chris
Apr 4 '19 at 12:15
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In Python, how do you convert seconds since epoch to a `datetime` object?
...ollows: datetime.fromtimestamp(1423524051, timezone.utc). It has saved the extra library many times when I only need the UTC timezone from pytz.
– phouse512
Jan 10 '18 at 17:28
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Django rest framework, use different serializers in the same ModelViewSet
...the approach that checks the HTTP method? It's clearer IMO and requires no extra checks.
def get_serializer_class(self):
if self.request.method == 'POST':
return NewRackItemSerializer
return RackItemSerializer
Credits/source: https://github.com/encode/django-rest-framework/issues/...
Bootstrap dropdown sub menu missing
...th 3.0" - https://github.com/twbs/bootstrap/pull/6342
But, with a little extra CSS you can get the same functionality.
Bootstrap 4 (navbar submenu on hover)
.navbar-nav li:hover > ul.dropdown-menu {
display: block;
}
.dropdown-submenu {
position:relative;
}
.dropdown-submenu>.dropd...