大约有 46,000 项符合查询结果（耗时：0.0350秒） [XML]
Selecting data frame rows based on partial string match in a column
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150
I notice that you mention a function %like% in your current approach. I don't know if that's a r...
Rename Pandas DataFrame Index
... but with df.rename() only the column name is renamed. Bug? I'm on version 0.12.0
9 Answers
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Android studio: new project vs new module
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102
From the documentation (Android Studio is based on Intellij IDEA) :
Whatever you do in Inte...
How to add a new audio (not mixing) into a video using ffmpeg?
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308
Replace audio
ffmpeg -i video.mp4 -i audio.wav -map 0:v -map 1:a -c:v copy -shortest output.mp...
Why does 2 mod 4 = 2?
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edited Aug 29 '09 at 17:33
Joe Phillips
43k2424 gold badges8989 silver badges147147 bronze badges
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Regular expressions in C: examples?
...):
#include <regex.h>
regex_t regex;
int reti;
char msgbuf[100];
/* Compile regular expression */
reti = regcomp(&regex, "^a[[:alnum:]]", 0);
if (reti) {
fprintf(stderr, "Could not compile regex\n");
exit(1);
}
/* Execute regular expression */
reti = regexec(&regex, ...
Reset/remove CSS styles for element only
...initial values:
.reset-this {
animation : none;
animation-delay : 0;
animation-direction : normal;
animation-duration : 0;
animation-fill-mode : none;
animation-iteration-count : 1;
animation-name : none;
animation-play-state : running;
animation-timing-function ...
How to trim a string to N chars in Javascript?
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Why not just use substring... string.substring(0, 7); The first argument (0) is the starting point. The second argument (7) is the ending point (exclusive). More info here.
var string = "this is a string";
var length = 7;
var trimmedString = string.substring(0, length);
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How to map atan2() to degrees 0-360
atan2(y, x) has that discontinuity at 180° where it switches to -180°..0° going clockwise.
15 Answers
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Moving matplotlib legend outside of the axis makes it cutoff by the figure box
...plt
import numpy as np
plt.gcf().clear()
x = np.arange(-2*np.pi, 2*np.pi, 0.1)
fig = plt.figure(1)
ax = fig.add_subplot(111)
ax.plot(x, np.sin(x), label='Sine')
ax.plot(x, np.cos(x), label='Cosine')
ax.plot(x, np.arctan(x), label='Inverse tan')
handles, labels = ax.get_legend_handles_labels()
lgd =...