大约有 48,000 项符合查询结果(耗时:0.0874秒) [XML]
how to get an uri of an image resource in android
...
answered Feb 4 '11 at 9:12
AxarydaxAxarydax
15.5k1919 gold badges8383 silver badges146146 bronze badges
...
How to use Git Revert
...
124
git revert makes a new commit
git revert simply creates a new commit that is the opposite of an...
What does the ng stand for in Angular.js directives
...
267
The prefix ng stands for "Angular;" all of the built-in directives that ship with Angular use ...
How to check an Android device is HDPI screen or MDPI screen?
...
222
density = getResources().getDisplayMetrics().density;
// return 0.75 if it's LDPI
// return 1...
Fatal error: Maximum execution time of 300 seconds exceeded
...
answered Oct 6 '11 at 21:23
TulesTules
4,71522 gold badges2424 silver badges2929 bronze badges
...
cartesian product in pandas
...rom pandas import DataFrame, merge
df1 = DataFrame({'key':[1,1], 'col1':[1,2],'col2':[3,4]})
df2 = DataFrame({'key':[1,1], 'col3':[5,6]})
merge(df1, df2,on='key')[['col1', 'col2', 'col3']]
Output:
col1 col2 col3
0 1 3 5
1 1 3 6
2 2 4 5
3 2 4 6...
Using python's eval() vs. ast.literal_eval()?
...
|
edited Jul 26 '16 at 11:10
Community♦
111 silver badge
answered Mar 4 '13 at 8:52
...
Principles for Modeling CouchDB Documents
...
26
There have been some great answers to this already, but I wanted to add some more recent CouchD...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
...
126
Short of closing and reopening your tty (i.e. logging off and back on, which may also terminate...
Client-server synchronization pattern / algorithm?
...re attempting to synchronize. And even then, the query ("All deltas since 2149") is delightfully simple for the client and server to process.
share
|
improve this answer
|
f...
