大约有 47,000 项符合查询结果（耗时：0.0815秒） [XML]
How do I shuffle an array in Swift?
...
let x = [1, 2, 3].shuffled()
// x == [2, 3, 1]
let fiveStrings = stride(from: 0, through: 100, by: 5).map(String.init).shuffled()
// fiveStrings == ["20", "45", "70", "30", ...]
var numbers = [1, 2, 3, 4]
numbers.shuffle()
// numbers == [3, 2, 1, 4]
Swift 4.0 and 4.1
These extensions add a sh...
How to get body of a POST in php?
... so you can alternatively do:
$entityBody = stream_get_contents(STDIN);
From the PHP manual entry on I/O streamsdocs:
php://input is a read-only stream that allows you to read raw data
from the request body. In the case of POST requests, it is preferable
to use php://input instead of $HTT...
\d is less efficient than [0-9]
...
From Regular Expression Options: "Enable ECMAScript-compliant behavior for the expression."
– chrisaycock
May 20 '13 at 1:58
...
How can I stop a Postgres script when it encounters an error?
...
I think the solution to add following to .psqlrc is far from perfection
\set ON_ERROR_STOP on
there exists much more simple and convenient way - use psql with parameter:
psql -v ON_ERROR_STOP=1
better to use also -X parameter turning off .psqlrc file usage.
Works perfectly f...
Is there a list of Pytz Timezones?
... called America/New_York.
If you programatically want to create this list from the zoneinfo database you can compile it from the zone.tab file in the zoneinfo database. I don't think pytz has an API to get them, and I also don't think it would be very useful.
...
angular ng-repeat in reverse
...nds | orderBy:'-'"
or
ng-repeat="friend in friends | orderBy:'+':true"
from https://stackoverflow.com/a/26635708/1782470
share
|
improve this answer
|
follow
...
Twitter API returns error 215, Bad Authentication Data
... 1 and 2 - your application static tokens, 2 and 3 - user tokens, received from Twitter during authentification
$connection = new TwitterOAuth(TWITTER_CONSUMER_KEY, TWITTER_CONSUMER_SECRET, $tokens['oauth_token'], $tokens['oauth_token_secret']);
$connection->host = 'https://api.twitter.com/1....
What's the difference between integer class and numeric class in R
...s are whole numbers. For example, 1:5 creates an integer vector of numbers from 1 to 5. You don't need to append the letter L.
> class(1:5)
[1] "integer"
Reference: https://www.quora.com/What-is-the-difference-between-numeric-and-integer-in-R
...
Linux: compute a single hash for a given folder & contents?
...ns "bar was here". With your method, we would not be able to separate that from two files C and D, where C contains "foobar" and D contains " was here". By hashing each file individually and then hash all "filename hash" pairs, we can see the difference.
– Vatine
...
How many system resources will be held for keeping 1,000,000 websocket open? [closed]
...ing and enough memory), it is the processing and sending/receiving data to/from each of those connections. If the incoming connections are spread out over a long period, and they are mostly idle or infrequently sending small chunks of static data then you could probably get much higher than even 1,...