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In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
...'s answer, but hey, since this is Rails we're talking about, let's take it one step up in devious. (Edit: Although I was going to just monkeypatch the following method, turns out there is a cleaner way.)
DateTime instances have a to_formatted_s method supplied by ActiveSupport, which takes a singl...
MySQL InnoDB not releasing disk space after deleting data rows from table
I have one MySQL table using the InnoDB storage engine; it contains about 2M data rows. When I deleted data rows from the table, it did not release allocated disk space. Nor did the size of the ibdata1 file reduce after running the optimize table command.
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Is it possible to ping a server from Javascript?
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I have found someone that accomplishes this with a very clever usage of the native Image object.
From their source, this is the main function (it has dependences on other parts of the source but you get the idea).
function Pinger_ping(ip, ...
rake db:schema:load vs. migrations
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Rather than replacing "collapsed" migrations with a new one that mimics the schema, I wrote a gem that just clears them out, and prompts users to use db:schema:load if they try to run db:migrate against a fresh install. @ clear_migrations
– Yarin
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How to simulate a mouse click using JavaScript?
...ept for backward compatibility, creating of a MouseEvent object should be done using the MouseEvent() constructor.
var evt = new MouseEvent("click", {
view: window,
bubbles: true,
cancelable: true,
clientX: 20,
/* whatever properties you want to give it */
});
targetElement.dis...
Programmatically access currency exchange rates [closed]
...id and Ask). The spot is a kind of shorthand for the exchange rate, but no one gets the spot because you can only sell at the bid or buy at the ask. You're usually looking at least a 1% spread between them, so the spot rate is 0.5% off for your customers.
But it doesn't stop there, your customers a...
Installing a local module using npm?
...t to use the module:
$ cd ./project-dir
$ npm link package-name
Or in one go using relative paths:
$ cd ./project-dir
$ npm link ../package-dir
This is equivalent to using two commands above under the hood.
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Is there a way to get colored text in Github Flavored Markdown? [duplicate]
...s element <style> is missing.
If you manage to include your text in one of the GFM elements, then you can play with a github.css stylesheet in order to colors that way.
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How do you compare structs for equality in C?
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@Demetri: but many do contain floats, and the questioner asks "how do you compare structs", not "how do you compare structs that don't contain floats". This answer says you can do a shallow compare with memcmp provided that the memory was cleared first. Which is close to worki...
mkdir -p functionality in Python [duplicate]
...call. I am sure the code is less than 20 lines, and I am wondering if someone has already written it?
12 Answers
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