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Want to find records with no associated records in Rails
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answered Mar 16 '11 at 0:33
UnixmonkeyUnixmonkey
17.1k66 gold badges4848 silver badges7070 bronze badges
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View array in Visual Studio debugger? [duplicate]
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590
You can try this nice little trick for C++. Take the expression which gives you the array and t...
Selenium WebDriver: Wait for complex page with JavaScript to load
...al is. The script might be downloading something big that takes more than 500 ms. There are several scripts on our company's internal page that take several seconds in IE. Your computer may be temporarily short on resources - say that an antivirus will make your CPU work fully, then 500 ms may be to...
How to get input type using jquery?
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EDIT Feb 1, 2013. Due to the popularity of this answer and the changes to jQuery in version 1.9 (and 2.0) regarding properties and attributes, I added some notes and a fiddle to see how it works when accessing properties/attributes on in...
JSON serialization of Google App Engine models
...h (JS "new Date()").
ms = time.mktime(value.utctimetuple()) * 1000
ms += getattr(value, 'microseconds', 0) / 1000
output[key] = int(ms)
elif isinstance(value, db.GeoPt):
output[key] = {'lat': value.lat, 'lon': value.lon}
elif isinstance...
Gunicorn worker timeout error
I have setup gunicorn with 3 workers 30 worker connections and using eventlet worker class. It is setup behind Nginx. After every few requests, I see this in the logs.
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How to check if object has any properties in JavaScript?
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answered Apr 20 '10 at 6:49
Daniel VassalloDaniel Vassallo
301k6666 gold badges475475 silver badges424424 bronze badges
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How do you convert a JavaScript date to UTC?
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390
The toISOString() method returns a string in simplified extended ISO
format (ISO 8601), whi...
LEFT JOIN only first row
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answered Mar 25 '13 at 23:10
Matt DodgeMatt Dodge
9,28855 gold badges3131 silver badges5252 bronze badges
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What is the difference between typeof and instanceof and when should one be used vs. the other?
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answered Jul 8 '11 at 14:30
Szymon WygnańskiSzymon Wygnański
8,91666 gold badges2727 silver badges4444 bronze badges
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