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Rails: select unique values from a column
I already have a working solution, but I would really like to know why this doesn't work:
12 Answers
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How to get image size (height & width) using JavaScript?
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You can programmatically get the image and check the dimensions using Javascript...
const img = new Image();
img.onload = function() {
alert(this.width + 'x' + this.height);
}
img.src = 'http://www.google.com/intl/en_ALL/images/logo.gif';
This can be useful if the image is not a...
Embed YouTube video - Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
I am trying to feed my Django page with some resource I am getting from somewhere else.
5 Answers
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Using DISTINCT and COUNT together in a MySQL Query
Is something like this possible:
7 Answers
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Powershell equivalent of bash ampersand (&) for forking/running background processes
In bash the ampersand (&) can be used to run a command in the background and return interactive control to the user before the command has finished running. Is there an equivalent method of doing this in Powershell?
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ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
I'm currently looking at other search methods rather than having a huge SQL query.
I saw elasticsearch recently and played with whoosh (a Python implementation of a search engine).
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Re-raise exception with a different type and message, preserving existing information
I'm writing a module and want to have a unified exception hierarchy for the exceptions that it can raise (e.g. inheriting from a FooError abstract class for all the foo module's specific exceptions). This allows users of the module to catch those particular exceptions and handle them distinctly,...
Python != operation vs “is not”
In a comment on this question , I saw a statement that recommended using
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How to stop Gradle task execution in Android Studio?
Is there any legitimate way of Gradle task(s) execution stopping in Android Studio?
16 Answers
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Getting full URL of action in ASP.NET MVC [duplicate]
Is there a built-in way of getting the full URL of an action?
6 Answers
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