大约有 44,000 项符合查询结果(耗时:0.0214秒) [XML]
Access multiple elements of list knowing their index
...process.
– Lior Magen
Mar 29 '16 at 10:26
3
Additional comment, a[b] works only when a is a numpy...
A cron job for rails: best practices?
...n --silent'
– tardate
Jul 12 '11 at 10:08
1
How do you call this from the console? I did load "#{...
How to fix “Attempted relative import in non-package” even with __init__.py
...
|
show 10 more comments
643
...
Are unused CSS images downloaded?
...
|
edited Jun 2 '10 at 3:50
Ash
56.3k3030 gold badges146146 silver badges166166 bronze badges
a...
Check if something is (not) in a list in Python
...not A) in B".
– Dan D.
Dec 2 '16 at 10:57
|
show 4 more comments
...
SQLite DateTime comparison
...ctions. Follow the string representation formats (actually only formats 1-10) understood by those functions (storing the value as a string) and then you can use them, plus lexicographical comparison on the strings will match datetime comparison (as long as you don't try to compare dates to times or...
How to simulate target=“_blank” in JavaScript
...hat of Firefox?
– ma11hew28
Dec 13 '10 at 1:28
4
@MattDiPasquale blocking window.open is kinda th...
Add a new item to a dictionary in Python [duplicate]
...hris Eberle
43.7k1111 gold badges7474 silver badges110110 bronze badges
2
...
PHP equivalent of .NET/Java's toString()
...is will give a PHP notice when used on arrays.
– dave1010
Feb 12 '13 at 17:22
29
@MarkAmery He ga...
Divide a number by 3 without using *, /, +, -, % operators
....333333, the repeating numbers make this easy to calculate using a / 3 = a/10*3 + a/100*3 + a/1000*3 + (..). In binary it's almost the same: 1 / 3 = 0.0101010101 (base 2), which leads to a / 3 = a/4 + a/16 + a/64 + (..). Dividing by 4 is where the bit shift comes from. The last check on num==3 is ne...
