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Git: Find the most recent common ancestor of two branches
...in case anyone comes here trying to find the oldest common ancestor (as I did) -- for which, see also: stackoverflow.com/questions/1527234/…
– lindes
Feb 14 '11 at 9:52
16
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Difference between “module.exports” and “exports” in the CommonJs Module System
... of things to your file and one of the important is WRAPPING your file. Inside nodejs source code "module.exports" is returned. Lets take a step back and understand the wrapper. Suppose you have
greet.js
var greet = function () {
console.log('Hello World');
};
module.exports = greet;
the ab...
Java String split removed empty values
...lit "" farther we will get as result [""] array.
It happens because split didn't happen here, so "" despite being empty and trailing represents original string, not empty string which was created by splitting process.
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Argparse: Way to include default values in '--help'?
...uding a minimal reproducible example that demonstrates the problem. As I said, it works for me with Python 2.7.
– Martijn Pieters♦
Apr 7 '16 at 20:00
3
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“You are on a branch yet to be born” when adding git submodule
...error, you should delete the folder with the same path to the submodule inside .git/modules/ directory. This error can occurs when url was incorrect for submodule for the first-time when submodule was added.
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Does const mean thread-safe in C++11?
...const is now the equivalent of Java's synchronized?
No. Not at all...
Consider the following overly simplified class representing a rectangle:
class rect {
int width = 0, height = 0;
public:
/*...*/
void set_size( int new_width, int new_height ) {
width = new_width;
hei...
iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
...
In the view controller that is presented modally, just override disablesAutomaticKeyboardDismissal to return NO:
- (BOOL)disablesAutomaticKeyboardDismissal {
return NO;
}
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Is there a way to detect if a browser window is not currently active?
...ility API (on MDN) now allows us to more accurately detect when a page is hidden to the user.
document.addEventListener("visibilitychange", onchange);
Current browser support:
Chrome 13+
Internet Explorer 10+
Firefox 10+
Opera 12.10+ [read notes]
The following code falls back to the less reli...
Passing just a type as a parameter in C#
...you need the type, you can use typeof(T)...
This has the advantage of avoiding the boxing and providing some type safety, and would be called like: int val = GetColumnValue<int>(columnName);
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What exactly is Java EE?
...EE is indeed an abstract specification. Anybody is open to develop and provide a working implementation of the specification. The concrete implementations are the so-called application servers, like WildFly, TomEE, GlassFish, Liberty, WebLogic, etc. There are also servlet containers which implement ...