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Do I have to Close() a SQLConnection before it gets disposed?
...d be they won't change that behaviour simply because it's what people have now come to expect.
– user593806
Jan 2 '13 at 11:12
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How do you get assembler output from C/C++ source in gcc?
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Sadly, as on OS X doesn't know these flags. If it did, though, you could probably one-line this using -Wa to pass options to as.
– Grumdrig
Apr 5 '13 at 4:57
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What is the difference between '/' and '//' when used for division?
...--> 2 Python 2.7
print (4/2) ----> 2.0 Python 3.5
Now if you want to have (in python 2.7) same output as in python 3.5, you can do the following:
Python 2.7.10
from __future__ import division
print (2/3) ----> 0.6666666666666666 #Python 2.7
print (4/2) ----> 2....
Abstract classes in Swift Language
...e {
func accelerate(by: Float) {
speed += by
}
}
You can now create new types by implementing Drivable.
struct Car: Drivable {
var speed: Float = 0.0
init() {}
}
let c = Car()
c.accelerate(10)
So basically you get:
Compile time checks that guarantee that all Drivables...
What is the difference between __dirname and ./ in node.js?
...and just discovered the existence of __dirname , and essentially want to know whether it would be smart to convert my ./'s to that, and if so, why that would be a smart idea.
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@UniqueConstraint annotation in Java
I have a Java bean. Now, I want to be sure that the field should be unique.
8 Answers
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Wait for a void async method
... await Task.Run(() => An_async_void_method_I_can_not_modify_now())
– themefield
Mar 12 '19 at 21:46
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What is the difference between a mutable and immutable string in C#?
...ects themselves could change, and the data structure would have no way of knowing, leading to corrupt data that would, eventually, crash your program.
However, you can change its contents- so it's much, much more memory efficient than making a complete copy because you wanted to change a single cha...
Importing variables from another file?
...iables from file1 without flooding file2's namespace, use:
import file1
#now use file1.x1, file2.x2, ... to access those variables
To import all variables from file1 to file2's namespace( not recommended):
from file1 import *
#now use x1, x2..
From the docs:
While it is valid to use from ...
Cannot kill Python script with Ctrl-C
...s keep the main thread alive:
import time
while True:
time.sleep(1)
Now it will keep print 'first' and 'second' until you hit Ctrl+C.
Edit: as commenters have pointed out, the daemon threads may not get a chance to clean up things like temporary files. If you need that, then catch the Keyboa...