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JavaScript by reference vs. by value [duplicate]
...asses something by value and when by reference and when modifying a passed item affects the value outside a function and when not. I'm also interested in when assigning to another variable is by reference vs. by value and whether that follows any different rules than passing as a function parameter...
Target elements with multiple classes, within one rule
...
.border-blue.background { ... } is for one item with multiple classes.
.border-blue, .background { ... } is for multiple items each with their own class.
.border-blue .background { ... } is for one item where '.background' is the child of '.border-blue'.
See Chris' a...
Why does Python code use len() function instead of a length method?
...se the paradigm they are most comfortable with and/or the paradigm that is best suited for their solution.
Python has first-class functions, so len is actually an object. Ruby, on the other hand, doesn't have first class functions. So the len function object has it's own methods that you can inspect...
Fixed size queue which automatically dequeues old values upon new enques
...xedCapacity;
}
/// <summary>
/// If the total number of item exceed the capacity, the oldest ones automatically dequeues.
/// </summary>
/// <returns>The dequeued value, if any.</returns>
public new T Enqueue(T item)
{
base.Enqueue(item);
...
Should a “static final Logger” be declared in UPPER-CASE?
...
Best definition I've seen for this yet. Linked doc seems to have moved here's the update cs.bilgi.edu.tr/pages/standards_project/…
– robert
Nov 4 '12 at 19:28
...
How can I recover the return value of a function passed to multiprocessing.Process?
...
What would be the best way to do that without making the pipes a global variable?
– Nickpick
Oct 25 '16 at 13:15
...
Delete all but the most recent X files in bash
...f directories happened to be among the 5 most recently modified filesystem items, you'd effectively retain fewer than 5 files, and applying rm to directories will fail).
wnoise's answer addresses these issues, but the solution is GNU-specific (and quite complex).
Here's a pragmatic, POSIX-complia...
What is an intuitive explanation of the Expectation Maximization technique? [closed]
... Given some data, we compute the value of a parameter (or parameters) that best explains that data.
Now imagine that we cannot see which value was sampled from which group. Everything looks purple to us:
Here we have the knowledge that there are two groups of values, but we don't know which grou...
How to clear/remove observable bindings in Knockout.js?
...odel storeViewModel, your cart represented by cartViewModel,
and a list of items in that cart - say cartItemsViewModel.
You would bind the top level model - the storeViewModel to the whole page. Then, you could separate the parts of your page that are responsible for cart or cart items.
Lets assum...
How to handle Objective-C protocols that contain properties?
...ocol
@required
// Properties
@property (nonatomic, retain) ExampleClass *item;
@end
Below is a working example of a class supporting this protocol:
#import <UIKit/UIKit.h>
#import "Protocols.h"
@class ExampleClass;
@interface MyObject : NSObject <ExampleProtocol> {
// Proper...