大约有 47,000 项符合查询结果（耗时：0.0626秒） [XML]
Java : Comparable vs Comparator [duplicate]
... @TheLogicGuy You do not have control over a class if it is from a dependency or other code you cannot / are not allowed to change.
– Jonas Gröger
Dec 22 '16 at 18:55
...
Is there a PHP Sandbox, something like JSFiddle is to JS? [closed]
...http://3v4l.org/
It lets you test your code in all PHP versions starting from PHP4.
If you want something for your local environment, the Runkit extension aims to provide a PHP Sandbox:
Instantiating the Runkit_Sandbox class creates a new thread with its own scope and program stack. Using a s...
How can a JACC provider use the Principal-to-role mapping facilities of the server it's deployed on?
...ponsibility of keeping those mappings to the JACC provider implementation. From the docs (see: PolicyConfiguration.addToRole method):
It is the job of the Policy provider to ensure that all the
permissions added to a role are granted to principals "mapped to the
role".
In other words, you ...
Hide horizontal scrollbar on an iframe?
...amless="seamless" (for HTML5)*
* The seamless attribute has been removed from the standard, and no browsers support it.
.foo {
width: 200px;
height: 200px;
overflow-y: hidden;
}
<iframe src="https://bing.com"
class="foo"
scrolling="no" >
</iframe>...
Is there a math nCr function in python? [duplicate]
...nt manner (compared to calculating factorials etc.)
import operator as op
from functools import reduce
def ncr(n, r):
r = min(r, n-r)
numer = reduce(op.mul, range(n, n-r, -1), 1)
denom = reduce(op.mul, range(1, r+1), 1)
return numer // denom # or / in Python 2
As of Python 3.8...
How do you calculate program run time in python? [duplicate]
...ed and what you wanted to time): print timeit.timeit('myOwnFunc()', setup='from __main__ import myOwnFunc', number=1). Without the setup parameter, it will complain that it could not find myOwnFunc.
– Landshark666
Dec 24 '12 at 4:13
...
javascript pushing element at the beginning of an array [duplicate]
...lways work in certain situations, and splice is a good way to remove items from arrays, so knowing how to insert with it is useful
– Cacoon
Feb 5 '18 at 21:40
1
...
Convert a space delimited string to list [duplicate]
... 'Samoa',
'Arizona',
'California',
'Colorado']
If you need one random from them, then you have to use the random module:
import random
states = "... ..."
random_state = random.choice(states.split())
share
|...
How to assign multiple classes to an HTML container? [closed]
...
From the standard
7.5.2 Element identifiers: the id and class attributes
Attribute definitions
id = name [CS]
This attribute assigns a name to an element. This name
must be unique in a document.
class ...
Why doesn't calling a Python string method do anything unless you assign its output?
...
@Chris_Rands: Looks like you are right, but from outside it does not have a real mutability effect - some implementations check if this is really used, and if not (so mutability would not be observed), it would actually mutate. Is that true?
– Tad...