大约有 46,000 项符合查询结果（耗时：0.0337秒） [XML]
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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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...
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 round to 2 decimals with Python?
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edited Nov 26 '19 at 18:40
Boris
4,69255 gold badges4242 silver badges5252 bronze badges
answered Dec 8...
while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
...ntents of True. In other words, True is reassignable:
Python 2.7 (r27:82508, Jul 3 2010, 21:12:11)
[GCC 4.0.1 (Apple Inc. build 5493)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> True = 4
>>> True
4
In Python 3.x it truly becomes a k...
Javascript sort array by two fields
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104
grouperArray.sort(function (a, b) {
var aSize = a.gsize;
var bSize = b.gsize;
var a...
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 ...
Get epoch for a specific date using Javascript
How do I convert 07/26/2010 to a UNIX timestamp using Javascript?
7 Answers
7
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Reading an Excel file in python using pandas
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Tid dummy1 dummy2 dummy3 dummy4 dummy5 \
0 2006-09-01 00:00:00 0 5.894611 0.605211 3.842871 8.265307
1 2006-09-01 01:00:00 0 5.712107 0.605211 3.416617 8.301360
2 2006-09-01 02:00:00 0 5.105300 0.605211 3.090865 8.335395
3 2006...
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, ...