大约有 47,000 项符合查询结果（耗时：0.0786秒） [XML]
Pip freeze vs. pip list
...ic format for pip to understand, which is
feedparser==5.1.3
wsgiref==0.1.2
django==1.4.2
...
That is the "requirements format".
Here, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x).
If you do not specify ==1.4.2, the latest version available would be instal...
What is the PostgreSQL equivalent for ISNULL()
... |
edited Jan 14 '12 at 2:28
Erwin Brandstetter
439k9696 gold badges809809 silver badges969969 bronze badges
...
R apply function with multiple parameters
I have a function f(var1, var2) in R. Suppose we set var2 = 1 and now I want to apply the function f() to the list L . Basically I want to get a new list L* with the outputs
...
How can I pretty-print JSON using node.js?
...var fs = require('fs');
fs.writeFile('test.json', JSON.stringify({ a:1, b:2, c:3 }, null, 4));
/* test.json:
{
"a": 1,
"b": 2,
"c": 3,
}
*/
See the JSON.stringify() docs at MDN, Node fs docs
share
...
Call to getLayoutInflater() in places not in activity
...yButton = (Button) view.findViewById( R.id.myButton );
EDIT as of July 2014
Davide's answer on how to get the LayoutInflater is actually more correct than mine (which is still valid though).
share
|
...
How would you compare jQuery objects?
...
answered Mar 13 '10 at 2:01
Christian C. SalvadóChristian C. Salvadó
689k171171 gold badges887887 silver badges826826 bronze badges
...
pandas read_csv and filter columns with usecols
...pandas as pd
from StringIO import StringIO
csv = r"""dummy,date,loc,x
bar,20090101,a,1
bar,20090102,a,3
bar,20090103,a,5
bar,20090101,b,1
bar,20090102,b,3
bar,20090103,b,5"""
df = pd.read_csv(StringIO(csv),
header=0,
index_col=["date", "loc"],
usecols=["date", "loc", "x"],...
Is it safe to shallow clone with --depth 1, create commits, and pull updates again?
...
2 Answers
2
Active
...
Increment a value in Postgres
...tgres table and increment it by one. For example if the table 'totals' had 2 columns, 'name' and 'total', and Bill had a total of 203, what would be the SQL statement I'd use in order to move Bill's total to 204?
...