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How to get distinct values from an array of objects in JavaScript?

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How to filter SQL results in a has-many-through relation

...d here. I named the queries after their author in this thread, with an index where there are two. I ran all queries a couple of times to populate the cache, then I picked the best of 5 with EXPLAIN ANALYZE. Relevant indexes (should be the optimum - as long as we lack fore-knowledge which clubs will ...
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How to set NODE_ENV to production/development in OS X

For use in express.js environments. Any suggestions? 14 Answers 14 ...
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Encoding URL query parameters in Java

...ring encoding) can help too. It follows the HTML form encoding application/x-www-form-urlencoded. URLEncoder.encode(query, "UTF-8"); On the other hand, Percent-encoding (also known as URL encoding) encodes space with %20. Colon is a reserved character, so : will still remain a colon, after enco...
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How can I check if a program exists from a Bash script?

How would I validate that a program exists, in a way that will either return an error and exit, or continue with the script? ...
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Apache Spark: The number of cores vs. the number of executors

...g to understand the relationship of the number of cores and the number of executors when running a Spark job on YARN. 8 Ans...
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event.returnValue is deprecated. Please use the standard event.preventDefault() instead

... Chromium and corresponding patch. This has already been recognised and fixed in jQuery 1.11 (see here and here). share | improve this answer | follow | ...
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How to send a custom http status message in node / express?

My node.js app is modeled like the express/examples/mvc app. 9 Answers 9 ...
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JSON.stringify output to div in pretty print way

... demo : http://jsfiddle.net/K83cK/ var data = { "data": { "x": "1", "y": "1", "url": "http://url.com" }, "event": "start", "show": 1, "id": 50 } document.getElementById("json").textContent = JSON.stringify(data, undefined, 2); <pre id="json"></pr...
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Python Process Pool non-daemonic?

... always non-daemonic, to be used for the worker processes. Here's a full example of how to do this. The important parts are the two classes NoDaemonProcess and MyPool at the top and to call pool.close() and pool.join() on your MyPool instance at the end. #!/usr/bin/env python # -*- coding: UTF-8 -...