大约有 42,000 项符合查询结果(耗时:0.0491秒) [XML]
How to format a floating number to fixed width in Python
...
for x in numbers:
print "{:10.4f}".format(x)
prints
23.2300
0.1233
1.0000
4.2230
9887.2000
The format specifier inside the curly braces follows the Python format string syntax. Specifically, in this case, it consists of the following parts:
The empty string bef...
How to get the root dir of the Symfony2 application?
...
answered Feb 9 '12 at 17:34
Jovan PerovicJovan Perovic
18.3k55 gold badges3737 silver badges7474 bronze badges
...
Execute SQLite script
I start up sqlite3 version 3.7.7, unix 11.4.2 using this command:
5 Answers
5
...
How to convert an integer to a string in any base?
...
|
edited Mar 13 '18 at 0:18
Devin
1,97522 gold badges1717 silver badges2525 bronze badges
an...
.gitignore for PhoneGap/Cordova 3.0 projects - what should I commit?
I just tried to create a new phonegap 3.0 project... Note: I'm new to phonegap.
Anyways, I see the project folder contains:
...
Skipping Iterations in Python
...
398
You are looking for continue.
...
Django removing object from ManyToMany relationship
...
3 Answers
3
Active
...
Python set to list
...
Your code does work (tested with cpython 2.4, 2.5, 2.6, 2.7, 3.1 and 3.2):
>>> a = set(["Blah", "Hello"])
>>> a = list(a) # You probably wrote a = list(a()) here or list = set() above
>>> a
['Blah', 'Hello']
Check that you didn't overwrite list by accident...
“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
...
1003
I would recommend using INSERT...ON DUPLICATE KEY UPDATE.
If you use INSERT IGNORE, then the ro...
