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Sleep until a specific time/date
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sleep $sleep_seconds
To add precision down to nanoseconds (effectively more around milliseconds) use e.g. this syntax:
current_epoch=$(date +%s.%N)
target_epoch=$(date -d "20:25:00.12345" +%s.%N)
sleep_seconds=$(echo "$target_epoch - $current_epoch"|bc)
sleep $sleep_seconds
Note that macOS ...
How to cancel a local git commit
...se ^ signals a line continuation. So your command prompt will just ask you More?.
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UICollectionView's cellForItemAtIndexPath is not being called
Only my second time using UICollectionView's and perhaps I have bitten off more than I can chew but nevertheless:
31 Answer...
How to create a numpy array of all True or all False?
...y version 1.8, we can use full to achieve the same result with syntax that more clearly shows our intent (as fmonegaglia points out):
numpy.full((2, 2), True, dtype=bool)
UPDATE: 16 January 2017
Since at least numpy version 1.12, full automatically casts results to the dtype of the second paramet...
How to join (merge) data frames (inner, outer, left, right)
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With more clarity and explanation..... mkmanu.wordpress.com/2016/04/08/…
– Manoj Kumar
Apr 7 '16 at 20:08
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How to run a hello.js file in Node.js on windows?
...mple. For a permanent installation you'd want to store the executable in a more reasonable place than the root directory and update your PATH to include its location.
Download the Windows executable here: http://nodejs.org/#download
Copy the file to C:\
Create C:\hello.js
Paste in the following co...
Analytics Google API Error 403: “User does not have any Google Analytics Account”
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if you have more than one profile in your account and you want to access their data using GA API should you keep adding the xxxxx@developer.gserviceaccount.com to the Analytics profile, or there is a more efficient way without involving ...
What should every JavaScript programmer know? [closed]
...cknowledging that it is for historical reasons an imperfect language (even more than most languages), and avoiding its worst troublespots. Crockford's work on this front is definitely worth reading (although I don't 100% agree with him on which the “Good Parts” are).
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Create Generic method constraining T to an Enum
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Well, make it even more constrained then, if you choose to go down this path... use "class TestClass<T> where T : struct, IComparable, IFormattable, IConvertible"
– Ricardo Nolde
Sep 27 '10 at 18:42
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fastest MD5 Implementation in JavaScript
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