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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
...is a much more universal pattern matching language (i.e. you can use it in Python or Perl as well). If you learn awk, all you've already is awk. If you lean grep + PCRE on the other hand... grep -oP '^MemTotal:\s+\K.*' /proc/meminfo
– Gabriel Totusek
Aug 10 '1...
What is RPC framework and Apache Thrift?
...tocol over HTTP. This service may be called by a client program written in Python, running on a Windows machine. The code for both server and client is generated from a Thrift IDL file. To get it running, you basically have to add only the intended program logic and put all the pieces together.
The...
Read specific columns from a csv file with csv module?
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Context: For this type of work you should use the amazing python petl library. That will save you a lot of work and potential frustration from doing things 'manually' with the standard csv module. AFAIK, the only people who still use the csv module are those who have not yet discove...
How to remove all rows in a numpy.ndarray that contain non-numeric values
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How to run a shell script on a Unix console or Mac terminal?
...oesn't know what program to use to interprete it. It could be bash, perl, python, sh, or something else. (In reality, the kernel will often use the user's default shell to interprete the file, which is very dangerous because it might not be the right interpreter at all or it might be able to parse...
How to take column-slices of dataframe in pandas
...at']
# foo bar quz ant cat sat
.loc accepts the same slice notation that Python lists do for both row and columns. Slice notation being start:stop:step
# slice from 'foo' to 'cat' by every 2nd column
df.loc[:, 'foo':'cat':2]
# foo quz cat
# slice from the beginning to 'bar'
df.loc[:, :'bar']
# f...
Select between two dates with Django
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Temporarily disable auto_now / auto_now_add
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For those looking at this when they are writing tests, there is a python library called freezegun which allows you to fake the time - so when the auto_now_add code runs, it gets the time you actually want. So:
from datetime import datetime, timedelta
from freezegun import freeze_time
wit...
Is it worthwile to learn assembly language? [closed]
...t languages, from lots of different paradigms. Learning Java, C++, C#, and Python doesn't count, since they are all instances of the same paradigm.
As assembly is at the root (well, close to the root) of all languages, I for one say that it is worthwhile to learn assembly.
Then again, it's worthw...
Django: Get list of model fields?
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@mpen Wont claim it the best way or the most pythonic but below will/should get the values u would want to display in a view, so the headers of an HTML table if u will. As get_fields() returns a tuple, u can iterate over it and get the values that look like appname.Mo...