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ActiveRecord.find(array_of_ids), preserving order
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.ids works fine for me, and is pretty fast activerecord documentation
– TheJKFever
Jul 8 '15 at 15:26
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How do I clear this setInterval inside a function?
Normally, I’d set the interval to a variable and then clear it like var the_int = setInterval(); clearInterval(the_int); but for my code to work I put it in an anonymous function:
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Any way to declare a size/partial border to a box?
...But it's very easy to achieve the effect in a way that degrades gracefully and requires no superfluous markup:
div {
width: 350px;
height: 100px;
background: lightgray;
position: relative;
margin: 20px;
}
div:after {
content: '';
width: 60px;
height: 4px;
backgrou...
Npm install failed with “cannot run in wd”
...e the preinstall script to install global modules, install them separately and then run the regular npm install without root privileges:
sudo npm install -g coffee-script node-gyp
npm install
Related:
package.json for global module installation
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Align labels in form next to input
I have very basic and known scenario of form where I need to align labels next to inputs correctly. However I don't know how to do it.
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Serializing an object as UTF-8 XML in .NET
.... at that point you can use the above string, convert it into UTF-8 bytes, and all will be well - because the XML declaration will specify "utf-8" as the encoding.
EDIT: A short but complete example to show this working:
using System;
using System.Text;
using System.IO;
using System.Xml.Serializat...
Turn off Chrome/Safari spell checking by HTML/css
...www.whatwg.org/specs/web-apps/current-work/multipage/editing.html#spelling-and-grammar-checking
Update: This is now supported in the latest versions of all browsers.
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Sort ArrayList of custom Objects by property
... (o1, o2) -> o1.getStartDate().compareTo(o2.getStartDate()));
And List has a sort(Comparator) method, so you can shorten this even further:
Database.arrayList.sort((o1, o2) -> o1.getStartDate().compareTo(o2.getStartDate()));
This is such a common idiom that there's a built-in method...
Python: Convert timedelta to int in a dataframe
I would like to create a column in a pandas data frame that is an integer representation of the number of days in a timedelta column. Is it possible to use 'datetime.days' or do I need to do something more manual?
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Best way of returning a random boolean value
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A declarative snippet using Array#sample:
random_boolean = [true, false].sample
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