大约有 47,000 项符合查询结果（耗时：0.0471秒） [XML]
PHP append one array to another (not array_push or +)
...
|
edited Dec 10 '16 at 11:25
Community♦
111 silver badge
answered Nov 24 '10 at 16:16
...
How to convert a string or integer to binary in Ruby?
How do you create integers 0..9 and math operators + - * / in to binary strings.
For example:
6 Answers
...
Mod of negative number is melting my brain
...ould write it as
int mod(int x, int m) {
int r = x%m;
return r<0 ? r+m : r;
}
or variants thereof.
The reason it works is that "x%m" is always in the range [-m+1, m-1]. So if at all it is negative, adding m to it will put it in the positive range without changing its value modulo m.
...
Check for array not empty: any?
...to empty? ?
– RocketR
Nov 17 '12 at 0:00
13
@RocketR you might want to checkout present? method.
...
How does this CSS produce a circle?
...
How does a border of 180 pixels with height/width-> 0px become a circle with a radius of 180 pixels?
Let's reformulate that into two questions:
Where do width and height actually apply?
Let's have a look at the areas of a typical box (source...
Replacing column values in a pandas DataFrame
... something like this:
w['female'] = w['female'].map({'female': 1, 'male': 0})
(Here I convert the values to numbers instead of strings containing numbers. You can convert them to "1" and "0", if you really want, but I'm not sure why you'd want that.)
The reason your code doesn't work is because...
Does Java support default parameter values?
...
answered Jun 15 '09 at 18:14
Kathy Van StoneKathy Van Stone
22.3k22 gold badges2929 silver badges3939 bronze badges
...
Get program execution time in the shell
...
10 Answers
10
Active
...
awk without printing newline
...
answered Jan 7 '10 at 16:56
CodeRainCodeRain
5,18444 gold badges2323 silver badges3232 bronze badges
...
What regex will match every character except comma ',' or semi-colon ';'?
...
answered Sep 11 '09 at 5:41
Mehrdad AfshariMehrdad Afshari
379k8383 gold badges822822 silver badges775775 bronze badges
...