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Ruby on Rails: Delete multiple hash keys
...pt method ActiveSupport adds to Hash.
It would allow your code to be simplified to:
redirect_to my_path(params.except(:controller, :action, :other_key))
Also, you wouldn't have to monkey patch, since the Rails team did it for you!
...
iPhone Data Usage Tracking/Monitoring
...pdp_ip0 is one of interfaces, all pdpXXX are WWAN interfaces dedicated to different functions, voicemail, general networking interface.
I read in Apple forum that :
The OS does not keep network statistics on a process-by-process basis. As such, there's no exact solution to this problem. You can, ho...
React.js: onChange event for contentEditable
...hange: function(){
var html = this.getDOMNode().innerHTML;
if (this.props.onChange && html !== this.lastHtml) {
this.props.onChange({
target: {
value: html
}
});
}
this.lastHtml = htm...
scala vs java, performance and memory? [closed]
....length()>2 && mapping.get(s) != null) b.add(mapping.get(s));
Now not only did I save the time it took me to type full variable names and curly braces (freeing me to spend 5 more seconds to think deep algorithmic thoughts), but I can also enter my code in obfuscation contests and potent...
Unresolved external symbol in object files
...larations, but you either:
do not define the functions in your cpp file (if you wrote this code yourself)
do not include the lib/dll file that contains the definitions
A common mistake is that you define a function as a standalone and forget the class selector, e.g. A::, in your .cpp file:
Wro...
Scala list concatenation, ::: vs ++
...
So is it best practice to avoid ::: in favour of ++ now? Also use +: instead of ::?
– Luigi Plinge
Jul 2 '11 at 23:30
...
Using the HTML5 “required” attribute for a group of checkboxes?
...-of-the-box way to do that.
However, using jQuery, you can easily control if a checkbox group has at least one checked element.
Consider the following DOM snippet:
<div class="checkbox-group required">
<input type="checkbox" name="checkbox_name[]">
<input type="checkbox" na...
What is Rack middleware?
... rackspace. The reason the term 'rack middleware' is confusing, as we all know, is because it was Confucius that wrote all the original rack middleware, more than 2000 years ago. In France.
– LpLrich
Mar 10 '15 at 17:59
...
Why is UICollectionViewCell's outlet nil?
...orrect (correct identifier & class) it refused to connect the outlets. now it works. sweet!
– Joris Weimar
Oct 9 '14 at 19:36
13
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How to hide keyboard in swift on pressing return key?
...Here is a full example to better illustrate that:
//
// ViewController.swift
//
//
import UIKit
class ViewController: UIViewController, UITextFieldDelegate {
@IBOutlet var myTextField : UITextField
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional s...