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How to return a part of an array in Ruby?
...array-slicing syntax to Python. Here is the ri documentation for the array index method:
--------------------------------------------------------------- Array#[]
array[index] -> obj or nil
array[start, length] -> an_array or nil
array[range] ...
Converting a JS object to an array using jQuery
...: [1, 2, 3],
2: [4, 5, 6]
};
var array = $.map(myObj, function(value, index) {
return [value];
});
console.log(array);
Output:
[[1, 2, 3], [4, 5, 6]]
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Find index of last occurrence of a sub-string using T-SQL
Is there a straightforward way of finding the index of the last occurrence of a string using SQL? I am using SQL Server 2000 right now. I basically need the functionality that the .NET System.String.LastIndexOf method provides. A little googling revealed this - Function To Retrieve Last Index ...
Using socket.io in Express 4 and express-generator's /bin/www
...by defining module.exports as a function which accepts io as a parameter.
index.js
module.exports = function(io) {
var app = require('express');
var router = app.Router();
io.on('connection', function(socket) {
(...)
});
return router;
}
Then, pass io into the mod...
Paging UICollectionView by cells, not screen
...f.articles.count - 1;
}
[self.articlesCollectionView scrollToItemAtIndexPath:[NSIndexPath indexPathForRow:cellToSwipe inSection:0] atScrollPosition:UICollectionViewScrollPositionLeft animated:YES];
}
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Pandas percentage of total with groupby
...
@dhardy state_office is a Series with a Multi Index -- so it's just one column whose values are all numeric. After you do the groupby, each x is a subset of that column. Does that make sense?
– exp1orer
Feb 8 '15 at 15:22
...
Is it possible to apply CSS to half of a character?
...s from collapsing */
}
.halfStyle:before {
display: block;
z-index: 1;
position: absolute;
top: 0;
left: 0;
width: 50%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
color: #f00;
}
<script src="https:...
Can I set background image and opacity in the same property?
...e probably not going to be picking out many details, so you can convert to Indexed-PNG. I actually use this on my own website, and it squashes a 1920x1080 background image to just under 250kb in size.
– Niet the Dark Absol
Jul 2 '17 at 9:50
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What's the simplest way to list conflicted files in Git?
...flict markers including line numbers.
For example:
> git diff --check
index-localhost.html:85: leftover conflict marker
index-localhost.html:87: leftover conflict marker
index-localhost.html:89: leftover conflict marker
index.html:85: leftover conflict marker
index.html:87: leftover conflict ma...
Which Java Collection should I use?
...presenting a Collection whose elements are ordered and each have a numeric index representing its position, where zero is the first element, and (length - 1) is the last.
ArrayList: A List backed by an array, where the array has a length (called "capacity") that is at least as large as the number o...