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Function to clear the console in R and RStudio
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cat("\014")
is the code to send CTRL+L to the console, and therefore will clear the screen.
Far better than just sending a whole lot of returns.
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Is there a way to simulate the C++ 'friend' concept in Java?
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481
Here is a small trick that I use in JAVA to replicate C++ friend mechanism.
Lets say I have a...
Usage of forceLayout(), requestLayout() and invalidate()
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edited May 23 '17 at 12:34
Community♦
111 silver badge
answered Sep 15 '14 at 10:44
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Token Authentication for RESTful API: should the token be periodically changed?
...tzinfo=pytz.utc)
if token.created < utc_now - timedelta(hours=24):
raise exceptions.AuthenticationFailed('Token has expired')
return token.user, token
It is also required to override the default rest framework login view, so that the token is refreshed whenever a l...
Are soft deletes a good idea? [duplicate]
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edited Apr 15 '10 at 4:01
answered Mar 31 '10 at 1:51
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Why is address zero used for the null pointer?
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edited May 3 '10 at 17:44
answered May 3 '10 at 17:22
Mi...
What is the difference between statically typed and dynamically typed languages?
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edited Jan 7 '19 at 23:04
GG.
16.5k99 gold badges6666 silver badges113113 bronze badges
answered Oct 4...
Best way to check for nullable bool in a condition expression (if …)
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374
I think a lot of people concentrate on the fact that this value is nullable, and don't think abo...
how to display full stored procedure code?
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answered Aug 19 '10 at 18:54
Frank HeikensFrank Heikens
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Binary Data in JSON String. Something better than Base64
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477
There are 94 Unicode characters which can be represented as one byte according to the JSON spe...