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NoSql vs Relational database
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Semi-structured data is one such class. It contains XML, Emails, JSON, etc. See the wikipedia page on it. The general rule is that the structure is there, but is loosely defined and dynamically extensible (the latter tend to class with the relational model - and while it is n...
Multiple ModelAdmins/views for same model in Django admin
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Drop rows with all zeros in pandas data frame
...ose -- 491 to 614 microsec, and I like the axis=1 for being explicit; more pythonic in my opinion
– gt6989b
Jun 27 '16 at 21:41
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How best to include other scripts?
... what you are going to be doing with your bash script. I wouldn't expect a python script to run without it's dependencies either. Bash is a glue language that allows you to do things quickly that would be hard otherwise. When you need your build system to work, pragmatism (And a nice warning about t...
Save all files in Visual Studio project as UTF-8
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I would convert the files programmatically (outside VS), e.g. using a Python script:
import glob, codecs
for f in glob.glob("*.py"):
data = open("f", "rb").read()
if data.startswith(codecs.BOM_UTF8):
# Already UTF-8
continue
# else assume ANSI code page
data = ...
Return value in a Bash function
... to the function and the
commands it invokes.
For someone with a C/C++/Python/Java/C#/javascript background, this is probably the biggest hurdle: functions in bash are not functions, they are commands, and behave as such: they can output to stdout/stderr, they can pipe in/out, they can return an...
LINQ-to-SQL vs stored procedures? [closed]
...the IQueryable interface, you will be able to use the same syntax to query XML, Objects and any other datasource without having to learn a new syntax
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How to access array elements in a Django template?
... dot notation in a Django template is used for four different notations in Python. In a template, foo.bar can mean any of:
foo[bar] # dictionary lookup
foo.bar # attribute lookup
foo.bar() # method call
foo[bar] # list-index lookup
It tries them in this order until it fin...
How to check if one of the following items is in a list?
... (1 or 2)
1
>>> (2 or 1)
2
That should probably explain it. :) Python apparently implements "lazy or", which should come as no surprise. It performs it something like this:
def or(x, y):
if x: return x
if y: return y
return False
In the first example, x == 1 and y == 2. ...
Flask-SQLAlchemy how to delete all rows in a single table
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