大约有 40,000 项符合查询结果（耗时：0.0191秒） [XML]
How do I pass extra arguments to a Python decorator?
...to wrap my head around.
class NiceDecorator:
def __init__(self, param_foo='a', param_bar='b'):
self.param_foo = param_foo
self.param_bar = param_bar
def __call__(self, func):
def my_logic(*args, **kwargs):
# whatever logic your decorator is supposed to i...
What is the purpose of willSet and didSet in Swift?
... for instance to notify other objects that the property just changed. When all you have is get/set, you need another field to hold the value. With willSet and didSet, you can take action when the value is modified without needing another field. For instance, in that example:
class Foo {
var myP...
Can lambda functions be templated?
...auto x){}; // imaginary syntax
}
In a constrained template you can only call other constrained templates. (Otherwise the constraints couldn't be checked.) Can foo invoke bar(x)? What constraints does the lambda have (the parameter for it is just a template, after all)?
Concepts weren't ready to t...
Escape quotes in JavaScript
I'm outputting values from a database (it isn't really open to public entry, but it is open to entry by a user at the company -- meaning, I'm not worried about XSS ).
...
What is the minimum I have to do to create an RPM file?
... of dependencies. It has a config file, /etc/foobar.conf and should be installed in /usr/bin/foobar.
9 Answers
...
How to split long commands over multiple lines in PowerShell
...
If you have a function:
$function:foo | % Invoke @(
'bar'
'directory'
$true
)
If you have a cmdlet:
[PSCustomObject] @{
Path = 'bar'
Type = 'directory'
Force = $true
} | New-Item
If you have an application:
{foo.exe @Args} | % Invoke @(
...
Creating a JSON response using Django and Python
...wer like so :
from django.http import JsonResponse
return JsonResponse({'foo':'bar'})
share
|
improve this answer
|
follow
|
...
How to count certain elements in array?
...me. And we can argue what is most elegant. E.g. for me, making a function call per element to just to compare it to a value is not elegant.
– Felix Kling
May 25 '11 at 8:33
...
Create a table without a header in Markdown
... headers
multimarkdown
Maruku: A popular implementation in Ruby
byword: "All tables must begin with one or more rows of headers"
PHP Markdown Extra "second line contains a mandatory separator line between the headers and the content"
RDiscount Uses PHP Markdown Extra syntax.
GitHub Flavoured Markd...
Mediator Vs Observer Object-Oriented Design Patterns
...-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically.
The Mediator pattern:
Define an object that encapsulates how a set of objects interact. Mediator promotes loose coupling by keeping objects from referring to each o...