大约有 31,500 项符合查询结果（耗时：0.0391秒） [XML]
Allow multiple roles to access controller action
Right now I decorate a method like this to allow "members" to access my controller action
9 Answers
...
Is there a JSON equivalent of XQuery/XPath?
...
Yup, it's called JSONPath. The source is now on GitHub.
It's also integrated into DOJO.
share
|
improve this answer
|
...
How to break out of nested loops?
...ested loops:
use goto
use flags
factor out loops into separate function calls
Couldn't resist including xkcd here :)
source
Goto's are considered harmful but as many people in the comments suggest it need not be. If used judiciously it can be a great tool. Anything used in moderation is fun....
In Java, is there a way to write a string literal without having to escape quotes?
...ing literal with a lot of quotation marks inside it. You could escape them all, but it's a pain, and difficult to read.
8 A...
How to determine if a type implements an interface with C# reflection
...
@PierreArnaud: IsAssignableFrom does eventually calls GetInterfaces, so probably your test checked the GetInterfaces first and IsAssignable after. That is because GetInterfaces caches it's results so the first invocation costs more
– Panos Theof
...
How to display pandas DataFrame of floats using a format string for columns?
...
As of Pandas 0.17 there is now a styling system which essentially provides formatted views of a DataFrame using Python format strings:
import pandas as pd
import numpy as np
constants = pd.DataFrame([('pi',np.pi),('e',np.e)],
columns=['name','value'])
C = constants...
Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]
...r: String!) -> AnyObject! // Used by the delegate to acquire an already allocated cell, in lieu of allocating a new one.
That's determined by the exclamation mark after AnyObject:
AnyObject!
So, first thing to consider is, what is an "Implicitly Unwrapped Optional"?
The Swift Programmin...
How to convert a string into double and vice versa?
... Double is a numeric data type - it does not contain any formatting. Calling [NSString doubleValue] would return 1000 because it's just a number.
– Andy
Oct 5 '08 at 12:53
12
...
How to convert a currency string to a double with jQuery or Javascript?
...
Remove all non dot / digits:
var currency = "-$4,400.50";
var number = Number(currency.replace(/[^0-9.-]+/g,""));
share
|
improv...
How to implement a good __hash__ function in python [duplicate]
... are equal. It also shouldn't change over the lifetime of the object; generally you only implement it for immutable objects.
A trivial implementation would be to just return 0. This is always correct, but performs badly.
Your solution, returning the hash of a tuple of properties, is good. But note...