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Code for a simple JavaScript countdown timer?

... Date().getTime(); var interval = setInterval(function() { var now = time-(new Date().getTime()-start); if( now <= 0) { clearInterval(interval); complete(); } else update(Math.floor(now/1000)); },100); // the smaller this number, the...
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JSON datetime between Python and JavaScript

...ime.datetime, datetime.date)) else None ) json.dumps(datetime.datetime.now(), default=date_handler) '"2010-04-20T20:08:21.634121"' Which is ISO 8601 format. A more comprehensive default handler function: def handler(obj): if hasattr(obj, 'isoformat'): return obj.isoformat() ...
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How does JavaScript .prototype work?

... really got my head around this prototype-based programming, does any one know how this works? 26 Answers ...
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When to use single quotes, double quotes, and backticks in MySQL

...write queries. I also understand the importance of being consistent. Until now, I have randomly used single quotes, double quotes, and backticks without any real thought. ...
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Build unsigned APK file with Android Studio

I'm developing an android app with the Android Developer Tool. Now I tried the new Android Studio, everything works fine if connect my smartphone with the pc and directly run the program in the Android Studio. But now I want to test the program with other smartphones without connecting them to my pc...
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Adding days to a date in Python

...ng it is a dumb idea? What is datetime? You can't rely on convention to know, but always have to look at the imports. – Xiong Chiamiov Jun 5 '17 at 17:47 10 ...
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Which parts of Real World Haskell are now obsolete or considered bad practice?

In the chapter 19 of Real World Haskell a lot of the examples now fail due to the change of Control.Exception . 1 Answer...
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What is the best IDE to develop Android apps in? [closed]

...S Android Studio has officially come out of beta and been released. It is now the official IDE for Android Development - Eclipse won't be supported anymore. It is definitely the IDE of choice for Android Development. Link to download page: http://developer.android.com/sdk/index.html NEWS As of ...
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Date ticks and rotation in matplotlib

... import numpy as np import matplotlib.pyplot as plt import datetime as dt now = dt.datetime.now() hours = [now + dt.timedelta(minutes=x) for x in range(0,24*60,10)] days = [now + dt.timedelta(days=x) for x in np.arange(0,30,1/4.)] hours_value = np.random.random(len(hours)) days_value = np.random.ra...
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When to use volatile with multi threading?

...e semantics on volatile variables. [Update for C++11] The C++11 Standard now does acknowledge multithreading directly in the memory model and the lanuage, and it provides library facilities to deal with it in a platform-independant way. However the semantics of volatile still have not changed. v...