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How to extract filename.tar.gz file
...ipped tar file. Your output says that it isn't. If you downloaded the file from the internet, you probably didn't get the entire file, try again.
Without more knowledge of the source of your file, nobody here is going to be able to give you a concrete solution, just educated guesses.
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Reading a huge .csv file
I'm currently trying to read data from .csv files in Python 2.7 with up to 1 million rows, and 200 columns (files range from 100mb to 1.6gb). I can do this (very slowly) for the files with under 300,000 rows, but once I go above that I get memory errors. My code looks like this:
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Python: How do I make a subclass from a superclass?
In Python, how do you make a subclass from a superclass?
11 Answers
11
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Inline labels in Matplotlib
...e for a label
Label should be near corresponding line
Label should be away from the other lines
The code was something like this:
import matplotlib.pyplot as plt
import numpy as np
from scipy import ndimage
def my_legend(axis = None):
if axis == None:
axis = plt.gca()
N = 32
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Using Git with Visual Studio [closed]
...ot fully integrated. Is there a solution that enables check-in - check-out from the Solution Explorer ?
– Dani
Jan 15 '11 at 17:09
4
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Get int value from enum in C#
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On a related note, if you want to get the int value from System.Enum, then given e here:
Enum e = Question.Role;
You can use:
int i = Convert.ToInt32(e);
int i = (int)(object)e;
int i = (int)Enum.Parse(e.GetType(), e.ToString());
int i = (int)Enum.ToObject(e.GetType(), e);...
How do I get a Cron like scheduler in Python? [closed]
...fy your crontab. For example, suppose we define an Event class as below:
from datetime import datetime, timedelta
import time
# Some utility classes / functions first
class AllMatch(set):
"""Universal set - match everything"""
def __contains__(self, item): return True
allMatch = AllMatch...
Is there a way to instantiate objects from a string holding their class name?
...function pointer is also a bit oldish. Modern C++ code should be decoupled from specific functions / types. You may want to look into Boost.Function to look for a better way. It would look like this then (the map):
typedef std::map<std::string, boost::function<variant_type()> > map_type...
How to read the RGB value of a given pixel in Python?
...ich returns a pixel access object which you can manipulate like an array:
from PIL import Image
im = Image.open('dead_parrot.jpg') # Can be many different formats.
pix = im.load()
print im.size # Get the width and hight of the image for iterating over
print pix[x,y] # Get the RGBA Value of the a...
Import a file from a subdirectory?
... @AurélienOoms import sys, os; sys.path.insert(0, os.path.abspath('..')); from sibling_package.hacks import HackyHackHack
– jbowman
May 6 '16 at 8:31
4
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