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Regular Expression to get a string between parentheses in Javascript
I am trying to write a regular expression which returns a string which is between parentheses. For example: I want to get the string which resides between the strings "(" and ")"
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Inheriting from a template class in c++
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For understanding templates, it's of huge advantage to get the terminology straight because the way you speak about them determines the way to think about them.
Specifically, Area is not a template class, but a class template. That is, it...
UIGestureRecognizer on UIImageView
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Check that userInteractionEnabled is YES on the UIImageView. Then you can add a gesture recognizer.
imageView.userInteractionEnabled = YES;
UIPinchGestureRecognizer *pgr = [[UIPinchGestureRecognizer alloc]
initWithTarget:self action:...
What is the purpose of Node.js module.exports and how do you use it?
...ctually returned as the result of a require call.
The exports variable is initially set to that same object (i.e. it's a shorthand "alias"), so in the module code you would usually write something like this:
let myFunc1 = function() { ... };
let myFunc2 = function() { ... };
exports.myFunc1 = myFu...
“new” keyword in Scala
...ve a very simple question - when should we apply the new keyword when creating objects in Scala? Is it when we try to instantiate Java objects only?
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Is there a typical state machine implementation pattern?
We need to implement a simple state machine in C .
Is a standard switch statement the best way to go?
We have a current state (state) and a trigger for the transition.
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In Vim, how do I apply a macro to a set of lines?
I have a file with a bunch of lines. I have recorded a macro that performs an operation on a single line. I want to repeat that macro on all of the remaining lines in the file. Is there a quick way to do this?
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Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?
...s is the difference between an object orientated function and a function using a global variable, effectively.
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What's the difference between SortedList and SortedDictionary?
... SortedDictionary) for details of the performance for different operations in different situtations. Here's a nice summary (from the SortedDictionary docs):
The SortedDictionary<TKey, TValue> generic
class is a binary search tree with
O(log n) retrieval, where n is the
number of elem...
Serializing an object as UTF-8 XML in .NET
...y but I'm shocked if this is the simplest way to encode an object as UTF-8 in memory. There has to be an easier way doesn't there?
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