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Changing git commit message after push (given that no one pulled from remote)
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edited May 23 '17 at 10:31
Community♦
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answered Jan 24 '12 at 2:02
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How do you manually execute SQL commands in Ruby On Rails using NuoDB
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edited Jan 23 '19 at 10:24
Jan Klimo
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PyCharm shows unresolved references error for valid code
...Dmitry Trofimov
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What exactly is Arel in Rails 3.0?
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What exactly is Arel in Rails 3.0?
It's an object model for an algebra of relational query operators.
I understand that it is a replacement for ActiveRecord
No, it isn't. It's a replacement for hand-crafting SQL queries in strings. It is a common query...
How can I extract all values from a dictionary in Python?
I have a dictionary d = {1:-0.3246, 2:-0.9185, 3:-3985, ...} .
11 Answers
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How to change Android Studio's editor font?
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32
Thanks, that worked. Not very intuitive UX, generally you save something after you have edited it, not before! I'll accept once it lets m...
jQuery Tips and Tricks
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edited Mar 23 '11 at 18:51
community wiki
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Fastest way to replace NAs in a large data.table
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system.time(a_gdata = f_gdata(dt1))
user system elapsed
18.805 12.301 134.985
system.time(a_andrie = f_andrie(dt1))
Error: cannot allocate vector of size 305.2 Mb
Timing stopped at: 14.541 7.764 68.285
system.time(f_dowle(dt1))
user system elapsed
7.452 4.144 19.590 # EDIT h...
Remove elements from collection while iterating
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438
Let me give a few examples with some alternatives to avoid a ConcurrentModificationException.
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Redirect to named url pattern directly from urls.py in django?
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edited Oct 3 '16 at 10:37
Flimm
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