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Convert from enum ordinal to enum type
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This is very worrying because arrays are mutable. Even though values[] is final, it doesn't prevent Suit.values[0] = Suit.Diamonds; somewhere in your code. Ideally that will never happen, but the overall principle of don't expose mutable fields still holds. For this a...
When should I use Struct vs. OpenStruct?
...g similar code as burtlo's, on Ruby 1.9.2, (1 of 4 cores x86_64, 8GB RAM) [table edited to align columns]:
creating 1 Mio Structs : 1.43 sec , 219 MB / 90MB (virt/res)
creating 1 Mio Class instances : 1.43 sec , 219 MB / 90MB (virt/res)
creating 1 Mio Hashes : 4.46 sec , 493 ...
SASS - use variables across multiple files
... 'components/_modals';
@import 'components/_tooltip';
@import 'components/_tables';
@import 'components/_datepickers';
And you can watch them with gulp/grunt/webpack etc, like:
gulpfile.js
// SASS Task
var gulp = require('gulp');
var sass = require('gulp-sass');
//var concat = require('gulp-con...
Find the closest ancestor element that has a specific class
...mprove it. It won't work on old browsers (i.e. IE); see this compatibility table for classList. parentElement is used here because parentNode would involve more work to make sure that the node is an element.
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jQuery UI Sortable, then write order into a database
I want to use the jQuery UI sortable function to allow users to set an order and then on change, write it to the database and update it. Can someone write an example on how this would be done?
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How do I use IValidatableObject?
I understand that IValidatableObject is used to validate an object in a way that lets one compare properties against each other.
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How to get the first line of a file in a bash script?
...nting the first line because it'll color the line too, making it great for table headings.
– Adam Katz
Jun 2 '16 at 15:53
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Center a position:fixed element
...ock for this to work. (Some other display values might also work, such as table.)
– Brilliand
Jul 19 '13 at 21:00
a b...
How to express a One-To-Many relationship in Django
...erated by django for you :-). We only need to define foreignKey in related table. In other words, we only need to define ManyToOne relation by using foreignKey.
class Car(models.Model):
// wheels = models.oneToMany() to get wheels of this car [**it is not required to define**].
class Wheel(mo...
How do I convert a pandas Series or index to a Numpy array? [duplicate]
...ke this:
dd = list(zone[0]) #Where zone[0] is some specific column of the table
idx = dd.index(filename[i])
You have you index value as idx.
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