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Ruby on Rails: how do I sort with two columns using ActiveRecord?
I want to sort by two columns, one is a DateTime ( updated_at ), and the other is a Decimal (Price)
7 Answers
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Select statement to find duplicates on certain fields
...ach in the link above. Based on that you'll need to use an order by clause and a sub query if needed. If you can post some sample data, it would really help.
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.Net HttpWebRequest.GetResponse() raises exception when http status code 400 (bad request) is return
... @MarkWatts: It should be whatever's been returned by the server, and has been in every situation I've seen. Can you reproduce this with a particular external URL? I suggest you ask a new question (referring to this one) and showing what's going on.
– Jon Skeet
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What is the function of the DBMDL File in VS database project
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From what I can make out, it is a serialized file of your db model and is used as a cache for improving the performance of deployment. It is unique per user thus should not be checked into source control.
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mysql command for showing current configuration variables
Can not find a command that displays the current configuration of mysql from within the database.
3 Answers
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How to pass multiple parameters in a querystring
...ree values which I have to pass as parameters for e.g., strID , strName and strDate .
6 Answers
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Can I update a component's props in React.js?
...s own props even if possible is an anti-pattern), but can update its state and the props of its children.
For instance, a Dashboard has a speed field in its state, and passes it to a Gauge child thats displays this speed. Its render method is just return <Gauge speed={this.state.speed} />. Wh...
jquery change class name
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Hey @Nick, add an event handler that finds the first td parent [var $td = $(this).parents('td:first')] then gets it's id [var id = $td.attr('id');] and also the class [var class = $td.attr('class');] because he wants a click element inside the TD to ...
express.js - single routing handler for multiple routes in a single line
...rrays for paths is deprecated but it is explicitly described in Express 4, and it works in Express 3.x. Here's an example of something to try:
app.get(
['/test', '/alternative', '/barcus*', '/farcus/:farcus/', '/hoop(|la|lapoo|lul)/poo'],
function ( request, response ) {
}
);
From in...
Using .NET, how can you find the mime type of a file based on the file signature not the extension
...nds on a combination of server-supplied MIME type headers, file extension, and/or the data itself. Usually, only the first 256 bytes of data are significant.
So, read the first (up to) 256 bytes from the file and pass it to FindMimeFromData.
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