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Array include any value from another array?
....include?(food) }
=> true
Benchmark script:
require "benchmark"
N = 1_000_000
puts "ruby version: #{RUBY_VERSION}"
CHEESES = %w(chedder stilton brie mozzarella feta haloumi).freeze
FOODS = %w(pizza feta foods bread biscuits yoghurt bacon).freeze
Benchmark.bm(15) do |b|
b.report("&, emp...
bool to int conversion
... 1, 4>5 would evaluate to 0.
EDIT: Jens in the comment said, C99 has _Bool type. bool is a macro defined in stdbool.h header file. true and false are also macro defined in stdbool.h.
§7.16 from C99 says,
The macro bool expands to _Bool.
[..] true which expands to the integer constan...
Best practices/guidance for maintaining assembly version numbers
...T assembly. The Product version is the simplest, as this seems would normally be dictated by business. Then, the file version seems to be for versioning between deployments, where the actual assembly version is only used when shipping.
...
Should I use static_cast or reinterpret_cast when casting a void* to whatever
...ore type safety and just cast from A to B”.
However, this doesn’t actually describe the effect of a reinterpret_cast. Rather, reinterpret_cast has a number of meanings, for all of which holds that “the mapping performed by reinterpret_cast is implementation-defined.” [5.2.10.3]
But in the ...
Amazon S3 Change file download name
...mention that it was not me to provide the right answer on Amazon forum and all credits should go to Colin Rhodes ;-)
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HTML5: Slider with two inputs possible?
...m to be many out there. I ended up modifying @Wildhoney's code a bit and really like it.
function getVals(){
// Get slider values
var parent = this.parentNode;
var slides = parent.getElementsByTagName("input");
var slide1 = parseFloat( slides[0].value );
var slide2 = parseFlo...
IEnumerable and Recursion using yield return
...s explosively with depth (a similar function was using 10% of memory in my app).
A simple solution is to use one list and pass it with the recursion https://codereview.stackexchange.com/a/5651/754
/// <summary>
/// Append the descendents of tree to the given list.
/// </summary>
privat...
How to read a single char from the console in Java (as the user types it)?
... typing it in Java? Is it possible? I've tried with these methods but they all wait for the user to press enter key:
5 An...
iOS - Dismiss keyboard when touching outside of UITextField
...TapGestureRecognizer(target: self, action: #selector(self.dismissKeyboard (_:)))
self.view.addGestureRecognizer(tapGesture)
For dismissKeyboard
@objc func dismissKeyboard (_ sender: UITapGestureRecognizer) {
aTextField.resignFirstResponder()
}
...
Restart node upon changing a file
...lly:
npm install supervisor -g
and after migrating to the root of your application use the following
supervisor app.js
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