大约有 31,840 项符合查询结果（耗时：0.0306秒） [XML]
Remove all the elements that occur in one list from another
...
One way is to use sets:
>>> set([1,2,6,8]) - set([2,3,5,8])
set([1, 6])
Note, however, that sets do not preserve the order of elements, and cause any duplicated elements to be removed. The elements also need to be h...
Get selected value/text from Select on change
I need to get the value of the selected option in javascript: does anyone know how to get the selected value or text, please tell how to write a function for it. I have assigned onchange() function to select so what do i do after that?
...
grep using a character vector with multiple patterns
...or bracket. First backslash is an escape character to interpret the second one needed to disable the operator.
– mbh86
Mar 11 '16 at 14:48
3
...
ImportError: No module named matplotlib.pyplot
...
You have two pythons installed on your machine, one is the standard python that comes with Mac OSX and the second is the one you installed with ports (this is the one that has matplotlib installed in its library, the one that comes with macosx does not).
/usr/bin/python
...
How efficient can Meteor be while sharing a huge collection among many clients?
...allers register
callbacks for the same live query, the driver only watches one copy of
the query, calling each registered callback with the same result.
Each time the server updates a collection, the driver recalculates each
live query on that collection (Future versions of Meteor will expose a
sca...
Unix command-line JSON parser? [closed]
Can anyone recommend a Unix (choose your flavor) JSON parser that could be used to introspect values from a JSON response in a pipeline?
...
What is Shelving in TFS?
...
Shelving has many uses. The main ones are:
Context Switching: Saving the work on your current task so you can switch to another high priority task. Say you're working on a new feature, minding your own business, when your boss runs in and says "Ahhh! Bug ...
How to generate XML file dynamically using PHP?
... It is possible to specify the encoding with SimpleXml? How it can be done?
– Eineki
Jan 28 '09 at 14:17
1
...
Getting the last element of a split string array
...
There's a one-liner for everything. :)
var output = input.split(/[, ]+/).pop();
share
|
improve this answer
|
...
What's the difference between a Python module and a Python package?
...
A module is a single file (or files) that are imported under one import and used.
e.g.
import my_module
A package is a collection of modules in directories that give a package hierarchy.
from my_package.timing.danger.internets import function_of_love
Documentation for modules
I...