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How to check if a value exists in a dictionary (python)
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>>> d = {'1': 'one', '3': 'three', '2': 'two', '5': 'five', '4': 'four'}
>>> 'one' in d.values()
True
Out of curiosity, some comparative timing:
>>> T(lambda : 'one' in d.itervalues()).repeat()
[0.28107285499572754...
Any way to modify Jasmine spies based on arguments?
...pi, 'get')
.withArgs('abc').and.returnValue('Jane')
.withArgs('123').and.returnValue(98765);
});
});
For Jasmine versions earlier than 3.0 callFake is the right way to go, but you can simplify it using an object to hold the return values
describe('my fn', function() {
var params ...
Pull to refresh UITableView without UITableViewController
...action: #selector(refresh(_:)), for: .valueChanged)
if #available(iOS 10.0, *) {
tableView.refreshControl = refreshControl
} else {
tableView.backgroundView = refreshControl
}
}
@objc func refresh(_ refreshControl: UIRefreshControl) {
// Do your job, when done:
...
How do I add files without dots in them (all extension-less files) to the gitignore file?
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121
You can try a combination similar to:
*
!/**/
!*.*
That gitignore exclusion rule (a negated...
Pass correct “this” context to setTimeout callback?
... I want to call this.tip.destroy() if this.options.destroyOnHide after 1000 ms. How can I do that?
5 Answers
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How to sort an array of hashes in ruby
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edited Jul 27 '16 at 14:15
Snowman
28.7k4343 gold badges161161 silver badges284284 bronze badges
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Why is a div with “display: table-cell;” not affected by margin?
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310
Cause
From the MDN documentation:
[The margin property] applies to all elements except ele...
What is the right way to override a setter method in Ruby on Rails?
...=============================================================
Update: July 19, 2017
Now the Rails documentation is also suggesting to use super like this:
class Model < ActiveRecord::Base
def attribute_name=(value)
# custom actions
###
super(value)
end
end
==================...
How to get the original value of an attribute in Rails
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Before rails 5.1
Appending _was to your attribute will give you the previous value.
For rails 5.1+
Copied from Lucas Andrade's answer below: https://stackoverflow.com/a/50973808/9359123
Appending _was is deprecated in rails 5.1, now ...
What is the “main file” property when doing bower init?
...include
minified files.Filenames should not be versioned (Bad:
package.1.1.0.js; Good: package.js).
I think it's more for the package management, and build tools like Grunt and Brunch. For example, Bootstrap's bower.json looks like :
{
"name": "bootstrap",
"version": "3.0.3",
"main": [
...