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How to sort objects by multiple keys in Python?
Or, practically, how can I sort a list of dictionaries by multiple keys?
8 Answers
8
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Array extension to remove object by value
...with a protocol extension method.
removeObject() is defined as a method on all types conforming
to RangeReplaceableCollectionType (in particular on Array) if
the elements of the collection are Equatable:
extension RangeReplaceableCollectionType where Generator.Element : Equatable {
// Remove f...
How do I run a Node.js application as its own process?
.../bin
Environment=NODE_ENV=production
WorkingDirectory=/var/www/myapp
[Install]
WantedBy=multi-user.target
Note if you're new to Unix: /var/www/myapp/app.js should have #!/usr/bin/env node on the very first line.
Copy your service file into the /etc/systemd/system folder.
Tell systemd about the ...
How can I strip first X characters from string using sed?
...
11 Answers
11
Active
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QuotaExceededError: Dom exception 22: An attempt was made to add something to storage that exceeded
...ode browsing. While in private browsing, local storage is not available at all.
One solution is to warn the user that the app needs non-private mode to work.
UPDATE: This has been fixed in Safari 11, so the behaviour is now aligned with other browsers.
...
Learn C first before learning Objective-C [closed]
...blem entirely in Obj-C, sometimes resulting in a very clumsy solutions. Usually I then replace some Obj-C code with pure C code (after all you can mix them as much as you like, the content of an Obj-C method can be entirely, pure C code). Without any intention to insult any Obj-C programmer, there a...
Convert line-endings for whole directory tree (Git)
...should be faster. You don't need the -name *.* either, unless you specifically want only files with a period somewhere in the name. That's a windows glob, not a *nix one.
– Useless
Aug 15 '11 at 17:31
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How do I cast a variable in Scala?
...
The preferred technique is to use pattern matching. This allows you to gracefully handle the case that the value in question is not of the given type:
g match {
case g2: Graphics2D => g2
case _ => throw new ClassCastException
}
This block replicates the semantics of th...
is not JSON serializable
...fe tage. stackoverflow.com/a/57939897/4157431
– Rami Alloush
Sep 14 '19 at 23:01
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Are Swift variables atomic?
... you, i.e.:
class Car {
static let sharedCar: Car = Car() // will be called inside of dispatch_once
}
private let sharedCar: Car2 = Car2() // same here
class Car2 {
}
Update 05/25/16: Keep an eye out for swift evolution proposal https://github.com/apple/swift-evolution/blob/master/proposals...