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What is the ellipsis (…) for in this method signature?
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The three dot (...) notation is actually borrowed from mathematics, and it means "...and so on".
As for its use in Java, it stands for varargs, meaning that any number of arguments can be added to the method call. The only limitations are that the varargs must be at the end...
Best Practices for securing a REST API / web service [closed]
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Quoting from wikipedia on Digest authentication, "Digest access authentication is one of the agreed-upon methods a web server can use to negotiate credentials with a user's web browser. It applies a hash function to a password before...
Vibrate and Sound defaults on notification
...Mber_unRead_sms +" new message.");
mBuilder.setTicker("New message from PayMe..");
mBuilder.setSmallIcon(R.drawable.icon2);
// Increase notification number every time a new notification arrives //
mBuilder.setNumber(unMber_unRead_sms);
// Creates an explicit int...
Convert string to binary in python
...earray(sample_string,encoding='utf-8')))
if __name__ == '__main__':
from timeit import timeit
sample_string = 'Convert this ascii strong to binary.'
print(
timeit(f'method_a("{sample_string}")',setup='from __main__ import method_a'),
timeit(f'method_b("{sample_string...
What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]
...of radix that Number() doesn't know of and parseInt() may indirectly guess from the given string (that can cause weird results sometimes).
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How to prevent Node.js from exiting while waiting for a callback?
...f the code written by the module developer .
If a module is a quick port from a synchronous/blocking version, this may not happen til some part of the operation has completed and all the queues might empty before that occurs, allowing node to exit silently.
This is a sneaky bug, that is one that ...
What does the '.' (dot or period) in a Go import statement do?
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Here's an analogy for those coming from Python:
Go's import "os" is roughly equivalent to Python's import os
Go's import . "os" is roughly equivalent to Python's from os import *
In both languages, using the latter is generally frowned upon but there can b...
Why is the use of tuples in C++ not more common?
... where tuples would solve many problems (usually returning multiple values from functions).
12 Answers
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How does one make random number between range for arc4random_uniform()?
... the total random-phile, here's an extension that returns a random element from any Collection type object. Note this uses the above function to generate its index so you will need both.
extension Collection {
func randomItem() -> Self.Iterator.Element {
let count = distance(from: st...
Javascript: get package.json data in gulpfile.js
Not a gulp-specific question per-se, but how would one get info from the package.json file within the gulpfile.js; For instance, I want to get the homepage or the name and use it in a task.
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