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How to run a python script from IDLE interactive shell?
...or passing global/local variables.
In deprecated Python versions
Python2
Built-in function: execfile
execfile('helloworld.py')
It normally cannot be called with arguments. But here's a workaround:
import sys
sys.argv = ['helloworld.py', 'arg'] # argv[0] should still be the script name
execf...
Computed / calculated / virtual / derived columns in PostgreSQL
...- as defined in the SQL standard and implemented by some RDBMS including DB2, MySQL and Oracle. Nor the similar "computed columns" of SQL Server.
STORED generated columns are introduced with Postgres 12. Trivial example:
CREATE TABLE tbl (
int1 int
, int2 int
, product bigint GENERATED ALW...
What is the “__v” field in Mongoose
I'm using Mongoose version 3 with MongoDB version 2.2. I've noticed a __v field has started appearing in my MongoDB documents. Is it something to do with versioning? How is it used?
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Free space in a CMD shell
... NicoNico
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How do I view all commits for a specific day?
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238
Thanks John Bartholomew!
The answer is to specify the time, e.g. git log --after="2013-11-12...
What does ||= (or-equals) mean in Ruby?
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23 Answers
23
Active
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horizontal scrollbar on top and bottom of table
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238
To simulate a second horizontal scrollbar on top of an element, put a "dummy" div above the el...
Catch paste input
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ChrisF♦
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answered Oct 1 '09 at 11:35
Evgeni DimovE...
Parse JSON String into a Particular Object Prototype in JavaScript
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129
The current answers contain a lot of hand-rolled or library code. This is not necessary.
Use...