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What are “named tuples” in Python?
...)
pt1 = Point(1.0, 5.0)
pt2 = Point(2.5, 1.5)
from math import sqrt
# use index referencing
line_length = sqrt((pt1[0]-pt2[0])**2 + (pt1[1]-pt2[1])**2)
# use tuple unpacking
x1, y1 = pt1
Thus, you should use named tuples instead of tuples anywhere you think object notation will make your code mo...
How could I ignore bin and obj folders from git repository?
...ck because I didn't understand that git rm only deletes the items from the index and not the disk. So if I understand correctly, your first two commands rebuilt the index by deleting everything from the index and adding everything back, applying the .gitignore filters. Then the commit makes it so i...
Non-Relational Database Design [closed]
...n SQL database: The results of running the view functions are stored in an index, and only the index can be queried. (As "get everything", "get key" or "get key range".)
The closest analogy in the SQL world would be if you could only query the DB using stored procedures - every query you want to su...
What's the best Django search app? [closed]
... We found that Sphinx was the least resource-intensive and fastest way to index and search our documents and that django-sphinx was a nice wrapper on top of the sphinx client.
The group by aggregation is particularly nice, if for example you want to display how many documents with a certain tag or...
How can I delete one element from an array by value
... It will remove all occurrences of 3 and has nothing to do with the arrays index or position.
– bkunzi01
Jun 11 '16 at 15:33
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glVertexAttribPointer clarification
...provide a number that specifies your own attribute. You pass this value as index. All your glVertexAttribPointer calls get queued up for the next time you call glDrawArrays or glDrawElements. If you have a VAO bound, the VAO will store the settings for all your attributes.
The main issue here is t...
Python script to copy text to clipboard [duplicate]
...on?
import pandas as pd
df=pd.DataFrame(['Text to copy'])
df.to_clipboard(index=False,header=False)
I wrote a little wrapper for it that I put in my ipython profile <3
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How to insert tab character when expandtab option is on in Vim
...Also, as noted by @feedbackloop, on Windows you may need to press <CTRL-Q> rather than <CTRL-V>.
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How do I use vim registers?
...tended).
Note that p or P pastes from the default register. The longhand equivalent would be ""p (or ""P) and "0 holds the last yank, "1holds the last delete or change.
For more info see :help registers.
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adding directory to sys.path /PYTHONPATH
... or manipulating sys.path directly. See, for example, the answers to this question.
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