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How do I automatically update a timestamp in PostgreSQL

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Can clearInterval() be called inside setInterval()?

...0; var timer = setInterval(function() { console.log(++i); if (i === 5) clearInterval(timer); console.log('post-interval'); //this will still run after clearing }, 200); In this example, this timer clears when i reaches 5. ...
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How do you get the magnitude of a vector in Numpy?

...-- say x.norm() -- but oh well). import numpy as np x = np.array([1,2,3,4,5]) np.linalg.norm(x) You can also feed in an optional ord for the nth order norm you want. Say you wanted the 1-norm: np.linalg.norm(x,ord=1) And so on. ...
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Android Studio - Where can I see callstack while debugging an android app?

... At the bottom panel you should have "5: Debug". Click on it and select "Debugger -> Threads" You may need to find the "Threads" icon on the far right, or even click the "Restore Layout" button on the left to restore this window. ...
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Rails how to run rake task

... 25 Rake::Task['reklamer:orville'].invoke or Rake::Task['reklamer:orville'].invoke(args) ...
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Declaring and initializing variables within Java switches

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How to convert byte array to Bitmap

... 285 Just try this: Bitmap bitmap = BitmapFactory.decodeFile("/path/images/image.jpg"); ByteArrayOut...
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Splitting String with delimiter

... answered May 8 '13 at 21:50 tim_yatestim_yates 149k2222 gold badges302302 silver badges311311 bronze badges ...
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Refresh all files in buffer from disk in vim

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How get integer value from a enum in Rails?

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