大约有 13,340 项符合查询结果（耗时：0.0273秒） [XML]
Is there a built in function for string natural sort?
...use either of the below formulas.
>>> from natsort import natsort_keygen, ns
>>> l1 = ['elm0', 'elm1', 'Elm2', 'elm9', 'elm10', 'Elm11', 'Elm12', 'elm13']
>>> l2 = l1[:]
>>> natsort_key1 = natsort_keygen(key=lambda y: y.lower())
>>> l1.sort(key=natsort_k...
PHP prepend associative array with literal keys?
...epend an associative array with literal key=>value pairs? I know that array_unshift() works with numerical keys, but I'm hoping for something that will work with literal keys.
...
Random record from MongoDB
... enable geospatial indexing on a collection:
db.docs.ensureIndex( { random_point: '2d' } )
To create a bunch of documents with random points on the X-axis:
for ( i = 0; i < 10; ++i ) {
db.docs.insert( { key: i, random_point: [Math.random(), 0] } );
}
Then you can get a random document f...
Why does viewWillAppear not get called when an app comes back from the background?
...egroundNotification, object: nil)
}
override func viewWillAppear(_ animated: Bool) {
print("view will appear")
}
override func viewDidAppear(_ animated: Bool) {
print("view did appear")
}
// MARK: - Notification oberserver methods
@objc func didBecome...
Ruby: How to turn a hash into HTTP parameters?
...reaks down.
require "addressable/uri"
uri = Addressable::URI.new
uri.query_values = {:a => "a", :b => ["c", "d", "e"]}
uri.query
# => "a=a&b[0]=c&b[1]=d&b[2]=e"
uri.query_values = {:a => "a", :b => [{:c => "c", :d => "d"}, {:e => "e", :f => "f"}]}
uri.query
# ...
Print a string as hex bytes?
...ex (convert str to bytes by calling .encode()).
– mic_e
May 8 '15 at 12:53
8
...
What is the difference between Int and Integer?
...answered May 16 '14 at 21:28
200_success200_success
6,40311 gold badge3434 silver badges6666 bronze badges
...
How to handle Objective-C protocols that contain properties?
...e.
Edit:
You may want to do this more specifically:
@synthesize title = _title;
This will fall in line with how xcode's automatic synthesis creates properties and ivars if you use auto-synthesis, so that way if your class has properties from a protocol and a class, some of your ivars won't have...
Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
...ost
User: root
Password:
Select_priv: Y
Insert_priv: Y
Update_priv: Y
Delete_priv: Y
Create_priv: Y
Drop_priv: Y
Reload_priv: Y
Shutdown_priv: Y
Process_priv: Y
...
Versioning SQL Server database
...hema from version N to N+1. (These go in your version control system.) A _version_history_ table, something like
create table VersionHistory (
Version int primary key,
UpgradeStart datetime not null,
UpgradeEnd datetime
);
gets a new entry every time an upgrade script runs which...