大约有 42,000 项符合查询结果（耗时：0.0709秒） [XML]
Appending the same string to a list of strings in Python
...
331
The simplest way to do this is with a list comprehension:
[s + mystring for s in mylist]
No...
Django: Why do some model fields clash with each other?
...nternally.
– Kenny
Nov 18 '10 at 22:38
14
For someone just learning the framework, this would not...
How do I convert dates in a Pandas data frame to a 'date' data type?
...
Use astype
In [31]: df
Out[31]:
a time
0 1 2013-01-01
1 2 2013-01-02
2 3 2013-01-03
In [32]: df['time'] = df['time'].astype('datetime64[ns]')
In [33]: df
Out[33]:
a time
0 1 2013-01-01 00:00:00
1 2 20...
Auto column width in EPPlus
...
253
Use AutoFitColumns, but you have to specify the cells, i assume the entire worksheet:
VB.NET
W...
Is there a Python caching library?
...
answered Sep 15 '09 at 13:52
Corbin MarchCorbin March
24.5k66 gold badges6767 silver badges9797 bronze badges
...
Fastest method to escape HTML tags as HTML entities?
...
|
edited Mar 31 '11 at 12:32
answered Mar 31 '11 at 12:26
...
Fastest way to extract frames using ffmpeg?
...e frames uncompressed as BMP images:
ffmpeg -i file.mpg -r 1/1 $filename%03d.bmp
This also has the advantage of not incurring more quality loss through quantization by transcoding to JPEG. (PNG is also lossless but tends to take much longer than JPEG to encode.)
...
Fixed point vs Floating point number
...|
edited Apr 18 '19 at 22:33
hiergiltdiestfu
2,16122 gold badges2222 silver badges3434 bronze badges
ans...
Split large string in n-size chunks in JavaScript
...
You can do something like this:
"1234567890".match(/.{1,2}/g);
// Results in:
["12", "34", "56", "78", "90"]
The method will still work with strings whose size is not an exact multiple of the chunk-size:
"123456789".match(/.{1,2}/g);
// Results in:
["12", "...
Checkout remote branch using git svn
...
357
Standard Subversion layout
Create a git clone of that includes your Subversion trunk, tags, a...