大约有 8,300 项符合查询结果（耗时：0.0287秒） [XML]
How do I create a constant in Python?
... declare a variable or value as constant in Python. Just don't change it.
If you are in a class, the equivalent would be:
class Foo(object):
CONST_NAME = "Name"
if not, it is just
CONST_NAME = "Name"
But you might want to have a look at the code snippet Constants in Python by Alex Martelli.
A...
Get list of passed arguments in Windows batch script (.bat)
I'd like to find a Windows batch counterpart to Bash's $@ that holds a list of all arguments passed into a script.
14 An...
What does the (unary) * operator do in this Ruby code?
...
The * is the splat operator.
It expands an Array into a list of arguments, in this case a list of arguments to the Hash.[] method. (To be more precise, it expands any object that responds to to_ary/to_a, or to_a in Ruby 1.9.)
To illustrate, the following two statements are equal:
meth...
Cleaner way to update nested structures
Say I have got following two case class es:
7 Answers
7
...
How do I enable C++11 in gcc?
I use gcc 4.8.1 from http://hpc.sourceforge.net on Mac OSX Mountain Lion. I am trying to compile a C++ program which uses the to_string function in <string> . I need to use the flag -std=c++11 every time:
...
How can I create a UIColor from a hex string?
How can I create a UIColor from a hexadecimal string format, such as #00FF00 ?
47 Answers
...
support FragmentPagerAdapter holds reference to old fragments
LATEST INFO:
13 Answers
13
...
What are “signed” cookies in connect/expressjs?
I am trying to figure out what "signed cookies" actually are.
There isn't much on the net, and if I try this:
4 Answers
...
Why would finding a type's initializer throw a NullReferenceException?
This has got me stumped. I was trying to optimize some tests for Noda Time, where we have some type initializer checking. I thought I'd find out whether a type has a type initializer (static constructor or static variables with initializers) before loading everything into a new AppDomain . To my ...
How do I specify a single test in a file with nosetests?
I have a file called test_web.py containing a class TestWeb and many methods named like test_something().
6 Answers
...