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Breaking out of nested loops [duplicate]
... For an explanation on this: psung.blogspot.com.au/2007/12/for-else-in-python.html
– aiham
Apr 16 '12 at 10:44
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Numpy: Get random set of rows from 2D array
...a similar answer to the one Hezi Rasheff provided, but simplified so newer python users understand what's going on (I noticed many new datascience students fetch random samples in the weirdest ways because they don't know what they are doing in python).
You can get a number of random indices from y...
Why #egg=foo when pip-installing from git repo
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If you've made a custom Python package, when you ran setuptools, a directory named project-name.egg-info/top_level.txt should have been created. Use the contents of this file as the value for the egg parameter.
– dspacejs
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Correct way to add external jars (lib/*.jar) to an IntelliJ IDEA project
...toolbar
Select Project Structure option (CTRL + SHIFT + ALT + S on Windows/Linux, ⌘ + ; on Mac OS X)
Select Modules at the left panel
Select Dependencies tab
Select + icon
Select 1 JARs or directories option
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How to calculate number of days between two given dates?
...d1 - d0
print(delta.days)
The relevant section of the docs:
https://docs.python.org/library/datetime.html.
See this answer for another example.
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Perform .join on value in array of objects
... I could help :) for what it's worth, just like map/reduce/filter are not 'pythonic' and comprehensions are the other way holds. In JavaScript's new spec in progress (Harmony) as well as some browsers already (firefox) you have pythonic comprehensions. You can do [x.name for x of users] (spec wiki.e...
API vs. Webservice [closed]
... another type of API, one written in C for use on a local machine, see the Linux Kernel API.
As far as the protocol goes, a Web service API almost always uses HTTP (hence the Web part), and definitely involves communication over a network. APIs in general can use any means of communication they wis...
Can you make just part of a regex case-insensitive?
...e and multi-line mode.
Not all regex flavors support this. JavaScript and Python apply all mode modifiers to the entire regular expression. They don't support the (?-ismx) syntax, since turning off an option is pointless when mode modifiers apply to the whole regular expressions. All options are of...
One line if-condition-assignment
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I don't think this is possible in Python, since what you're actually trying to do probably gets expanded to something like this:
num1 = 20 if someBoolValue else num1
If you exclude else num1, you'll receive a syntax error since I'm quite sure that the assi...
psql: FATAL: database “” does not exist
...eate new User: createuser --interactive
When prompted for role name, enter linux username, and select Yes to superuser question.
Still logged in as postgres user, create a database: createdb <username_from_step_3>
Confirm error(s) are gone by entering: psql at the command prompt.
Output should...