大约有 44,000 项符合查询结果(耗时:0.0544秒) [XML]
`from … import` vs `import .` [duplicate]
... use os.open without destroying the
# built in open() which returns file handles.
share
|
improve this answer
|
follow
|
...
Where is my .vimrc file?
I have been using Vim , and I would really like to save my settings. The problem I am having is that I cannot find my .vimrc file, and it is not in the standard /home/user/.vimrc location. How might I find this file?
...
Calling filter returns [duplicate]
...ist would during iteration.
If you're familiar with list comprehensions and generator expressions, the above filter is now (almost) equivalent to the following in python3.x:
( x for x in data if func(x) )
As opposed to:
[ x for x in data if func(x) ]
in python 2.x
...
C# 4.0 optional out/ref arguments
...
As already mentioned, this is simply not allowed and I think it makes a very good sense.
However, to add some more details, here is a quote from the C# 4.0 Specification, section 21.1:
Formal parameters of constructors, methods, indexers and delegate types can be declar...
Getting LaTeX into R Plots
...
As stolen from here, the following command correctly uses LaTeX to draw the title:
plot(1, main=expression(beta[1]))
See ?plotmath for more details.
share
|
im...
Android - Package Name convention
For the "Hello World" example in android.com , the package name is
"package com.example.helloandroid;"
6 Answers
...
Uploading images using Node.js, Express, and Mongoose
...e the poor indentation. I wasn't sure how to indent properly when copying and pasting. The code comes straight from Express multipart/form-data example on GitHub.
// Expose modules in ./support for demo purposes
require.paths.unshift(__dirname + '/../../support');
/**
* Module dependencies.
*/...
How to link to apps on the app store
...rsion that takes people to the paid version in the app store. If I use a standard link
25 Answers
...
Are tuples more efficient than lists in Python?
Is there any performance difference between tuples and lists when it comes to instantiation and retrieval of elements?
8 A...
Importing variables from another file?
...
from file1 import *
will import all objects and methods in file1
share
|
improve this answer
|
follow
|
...
