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Behaviour for significant change location API when terminated/suspended?
...ing launched but only once I got to relaunch the app. The other times the didExitRegion callback but I wasn't able to startLocationUpdates from there as it wasn't through app launch...
– Honey
Jul 22 '17 at 10:55
...
what is the difference between ?:, ?! and ?= in regex?
...ing group and analyse each behaviour.
() capturing group - the regex inside the parenthesis must be matched and the match create a capturing group
(?:) non capturing group - the regex inside the parenthesis must be matched but doesn't not create the capturing group
(?=) positive look ahead - a...
I want to get the type of a variable at runtime
...[T: Manifest](t: T): Manifest[T] = manifest[T]
manOf: [T](t: T)(implicit evidence$1: Manifest[T])Manifest[T]
scala> val x = List(1,2,3)
x: List[Int] = List(1, 2, 3)
scala> println(manOf(x))
scala.collection.immutable.List[Int]
If you are in repl mode then
scala> :type List(1,2,3)
List...
How to throw a C++ exception
...int a, int b ) {
if ( a < 0 || b < 0 ) {
throw std::invalid_argument( "received negative value" );
}
}
The Standard Library comes with a nice collection of built-in exception objects you can throw. Keep in mind that you should always throw by value and catch by reference:
t...
Cross cutting concern example
...he Concern.
A Concern is a term that refers to a part of the system divided on the basis of the functionality.
Concerns are two types:
The concerns representing single and specific functionality for primary requirements are known as core concerns.
OR
Primary functionlity of the system is...
Difference between this and self in JavaScript
...rker when window is not accessible (developer.mozilla.org/en-US/docs/Web/Guide/Performance/…). Using self instead of window lets you access the global object in a portable way.
– lqc
Jun 1 '13 at 19:05
...
Most efficient way of making an if-elif-elif-else statement when the else is done the most?
...ion, which can be a significant performance overhead in a tight loop.
Consider these examples...
1.py
something = 'something'
for i in xrange(1000000):
if something == 'this':
the_thing = 1
elif something == 'that':
the_thing = 2
elif something == 'there':
the...
New Array from Index Range Swift
... I've add a little more context to my question, I'm working inside a function. This works independently, but not inside the function.
– Charlie Egan
Jun 4 '14 at 10:06
...
Why define an anonymous function and pass it jQuery as the argument?
.../3/JavaScript-Module-Pattern-In-Depth
The purpose of this code is to provide "modularity", privacy and encapsulation for your code.
The implementation of this is a function that is immediately invoked by the calling (jQuery) parenthesis. The purpose of passing jQuery in to the parenthesis is to ...
Difference between matches() and find() in Java Regex
... not look for a substring. Hence the output of this code:
public static void main(String[] args) throws ParseException {
Pattern p = Pattern.compile("\\d\\d\\d");
Matcher m = p.matcher("a123b");
System.out.println(m.find());
System.out.println(m.matches());
p = Pattern.compile(...