大约有 45,000 项符合查询结果（耗时：0.0425秒） [XML]
Why use def main()? [duplicate]
...
Without the main sentinel, the code would be executed even if the script were imported as a module.
share
|
improve this answer
|
follow
|
...
How to import a Python class that is in a directory above?
...ge hierarchy, use two dots, as the import statement doc says:
When specifying what module to import you do not have to specify the absolute name of the module. When a module or package is contained within another package it is possible to make a relative import within the same top package withou...
Solving “Who owns the Zebra” programmatically?
...n in Python based on constraint-programming:
from constraint import AllDifferentConstraint, InSetConstraint, Problem
# variables
colors = "blue red green white yellow".split()
nationalities = "Norwegian German Dane Swede English".split()
pets = "birds dog cats horse zebra".split(...
Hidden features of Scala
...
trait Functor[F[_]] {
def fmap[A, B](f: A => B, fa: F[A]): F[B]
}
Now, if you have a Functor[List], you can map over lists. If you have a Functor[Tree], you can map over trees. But more importantly, if you have Functor[A] for any A of kind (*->*), you can map a function over A.
...
Store JSON object in data attribute in HTML jQuery
...nt').data('key',jsonObject);
it won't actually be stored in the html, but if you're using jquery.data, all that is abstracted anyway.
To get the JSON back don't parse it, just call:
var getBackMyJSON = $('#myElement').data('key');
If you are getting [Object Object] instead of direct JSON, just ...
Making macOS Installer Packages which are Developer ID ready
...blems and Solutions
Stupid tricks with pkgbuild
persisting obsolescence
Known Issues and Workarounds
Destination Select Pane
The user is presented with the destination select option with only a single choice - "Install for all users of this computer". The option appears visually selected, but th...
node.js equivalent of python's if __name__ == '__main__' [duplicate]
I'd like to check if my module is being included or run directly. How can I do this in node.js?
2 Answers
...
Java URL encoding of query string parameters
...coding of the platform is used.
See also:
What every web developer must know about URL encoding
share
|
improve this answer
|
follow
|
...
How to resize a custom view programmatically?
...s much better than the other answers because this code doesn't require to know the exact type of the parent ViewGroup.
– Bart Burg
Feb 2 '16 at 9:18
1
...
What is __pycache__?
...python, the interpreter compiles it to bytecode first (this is an oversimplification) and stores it in the __pycache__ folder. If you look in there you will find a bunch of files sharing the names of the .py files in your project's folder, only their extensions will be either .pyc or .pyo. These are...