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Convert audio files to mp3 using ffmpeg
...ble video, to make sure no video (including album cover image) is included if the source would be a video file
-ar - Set the audio sampling frequency. For output streams it is set by default to the frequency of the corresponding input stream. For input streams this option only makes sense for audio ...
How can I write data in YAML format in a file?
...ackoverflow.com/questions/52570869/… import yaml; from munch import munchify; f = munchify(yaml.safe_load(…));print(f.B.C)
– Hans Ginzel
Jun 21 at 21:23
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sqlite alter table add MULTIPLE columns in a single statement
...olumn1 text; alter table test add column mycolumn2 text;
use the above redifined query
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jQuery ui dialog change title after load-callback
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What's the difference between ISO 8601 and RFC 3339 Date Formats?
... - RFC 3339 is listed as a profile of ISO 8601. Most notably RFC 3339 specifies a complete representation of date and time (only fractional seconds are optional). The RFC also has some small, subtle differences. For example truncated representations of years with only two digits are not allowed -...
C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区，为创新赋能！
...ain(int argc, char** argv) {
struct foo f={0};
if (f.a->s) {
printf( f.a->s);
}
return 0;
}复制代码
你编译一下上面的代码，在VC++和GCC下都会在14行的printf处crash掉你的程序...
Overwrite single file in my current branch with the same file in the master branch?
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Practical usage of setjmp and longjmp in C
...ense only in the top level function.
It would be very tedious and awkward if all the functions in between had to return normally and evaluate return values or a global error variable to determine that further processing doesn't make sense or even would be bad.
That's a situation where setjmp/longj...
How can I grep for a string that begins with a dash/hyphen?
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If you want to use with variable having spaces you should use something like this: ARGS="-a -b -c" grep -- "$ARGS"
– zapstar
Dec 16 '14 at 15:48
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Edit line thickness of CSS 'underline' attribute
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@cfx if you can, you can still do this with display: inline; (but it would no longer be block of any kind then, could help somebody though)
– jave.web
Feb 15 at 14:15
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