大约有 46,000 项符合查询结果（耗时：0.0451秒） [XML]
How do I kill background processes / jobs when my shell script exits?
...
|
edited Dec 12 '08 at 16:33
answered Dec 11 '08 at 17:57
...
How to access pandas groupby dataframe by key
...group method:
In [21]: gb.get_group('foo')
Out[21]:
A B C
0 foo 1.624345 5
2 foo -0.528172 11
4 foo 0.865408 14
Note: This doesn't require creating an intermediary dictionary / copy of every subdataframe for every group, so will be much more memory-efficient that creating...
Best practices/guidance for maintaining assembly version numbers
...context we use TeamCity and Subversion/Git. TeamCity is free for a small (10) number of projects and is a very good build server but there are others, some of which are completely free.
What a version number means
What a version means to one person may mean something different to another, the gene...
Algorithm to detect corners of paper sheet in photo
...
John_West
2,06944 gold badges2020 silver badges3737 bronze badges
answered Jul 10 '11 at 22:47
Daniel CrowleyDani...
Join a list of strings in python and wrap each string in quotation marks
...ords = ['hello', 'world', 'you', 'look', 'nice']
>>> ', '.join('"{0}"'.format(w) for w in words)
'"hello", "world", "you", "look", "nice"'
share
|
improve this answer
|
...
WAMP 403 Forbidden message on Windows 7
...he access to your Apache server is forbidden from addresses other than 127.0.0.1 in httpd.conf (Apache's config file) :
<Directory "c:/wamp/www/">
Options Indexes FollowSymLinks
AllowOverride all
Order Deny,Allow
Deny from all
Allow from 127.0.0.1
</Directory>
The ...
Using .NET, how can you find the mime type of a file based on the file signature not the extension
...
answered Sep 12 '08 at 9:44
Steve MorganSteve Morgan
12.4k22 gold badges3838 silver badges4949 bronze badges
...
How exactly does the python any() function work?
... that lst is the iterable, which is a list of some items. If it contained [0, False, '', 0.0, [], {}, None] (which all have boolean values of False) then any(lst) would be False. If lst also contained any of the following [-1, True, "X", 0.00001] (all of which evaluate to True) then any(lst) would b...
Simplest code for array intersection in javascript
... Ry-♦
192k4444 gold badges392392 silver badges403403 bronze badges
answered Dec 11 '09 at 3:08
Anon.Anon.
49.5k88 gold badges...
C dynamically growing array
...lSize) {
a->array = malloc(initialSize * sizeof(int));
a->used = 0;
a->size = initialSize;
}
void insertArray(Array *a, int element) {
// a->used is the number of used entries, because a->array[a->used++] updates a->used only *after* the array has been accessed.
// Th...