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Can someone explain __all__ in Python?
I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does?
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quick random row selection in Postgres
... that contains couple of millions of rows. I have checked on the internet and I found the following
7 Answers
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Finding diff between current and last version
Using Git, how can you find the difference between the current and the last version?
12 Answers
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Is there a difference between copy initialization and direct initialization?
...d require an object to exist).
As examples in our case, in the case of a1 and a2 special rules say that in such declarations, the result object of a prvalue initializer of the same type as a1 is variable a1, and therefore A_factory_func() directly initializes the object a1. Any intermediary functio...
Find MongoDB records where array field is not empty
... To me that's the correct approach, since it makes sure the array exists and is not empty.
– LeandroCR
Mar 19 '15 at 14:34
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How to install the current version of Go in Ubuntu Precise
...e GVM for managing my Go versions in my Ubuntu box. Pretty simple to use, and if you're familiar with RVM, it's a nobrainer. It allows you to have multiple versions of Go installed in your system and switch between whichever version you want at any point in time.
Install GVM with:
sudo apt-get i...
What's the difference between %s and %d in Python string formatting?
I don't understand what %s and %d do and how they work.
12 Answers
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Convert char to int in C and C++
How do I convert a char to an int in C and C++?
12 Answers
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How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
... a bash script for several subprocesses spawned from that script to finish and return exit code !=0 when any of the subprocesses ends with code !=0 ?
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How to reshape data from long to wide format
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+1 and you don't need to rely on external packages, since reshape comes with stats. Not to mention that it's faster! =)
– aL3xa
May 5 '11 at 0:07
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