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What's the difference between Thread start() and Runnable run()
...ing) thread. No thread creation.
R1 r1 = new R1();
R2 r2 = new R2();
r1 and r2 are just two different objects of classes that implement the Runnable interface and thus implement the run() method. When you call r1.run() you are executing it in the current thread.
Second example: Two separate thr...
How to save an image locally using Python whose URL address I already know?
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with urlretrieve I just get a 1KB file with a dict and 404 error text inside.Why? If I enter url into my browser I can get the picture
– Yebach
Oct 29 '14 at 12:20
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How can I define colors as variables in CSS?
...te long. I know that the client could ask for changes to the color scheme, and was wondering: is it possible to assign colors to variables, so that I can just change a variable to have the new color applied to all elements that use it?
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ValueError: numpy.dtype has the wrong size, try recompiling
I just installed pandas and statsmodels package on my python 2.7
When I tried "import pandas as pd", this error message comes out.
Can anyone help? Thanks!!!
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How to remove line breaks from a file in Java?
... line breaks from a string in Java in such a way that will work on Windows and Linux (ie no OS specific problems of carriage return/line feed/new line etc.)?
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No module named _sqlite3
...sqlite-devel (or libsqlite3-dev on some Debian-based systems)
Re-configure and re-compiled Python with ./configure --enable-loadable-sqlite-extensions && make && sudo make install
Note
The sudo make install part will set that python version to be the system-wide standard, which ...
How do I rename all folders and files to lowercase on Linux?
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A concise version using the "rename" command:
find my_root_dir -depth -exec rename 's/(.*)\/([^\/]*)/$1\/\L$2/' {} \;
This avoids problems with directories being renamed before files and trying to move files into non-existing directories (e.g. "A/A" into "a/a").
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How to add pandas data to an existing csv file?
I want to know if it is possible to use the pandas to_csv() function to add a dataframe to an existing csv file. The csv file has the same structure as the loaded data.
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How do I get a Cron like scheduler in Python? [closed]
I'm looking for a library in Python which will provide at and cron like functionality.
9 Answers
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Exif manipulation library for python [closed]
...nt to check out exif-py:
Python library to extract EXIF data from tiff and jpeg files. Very easy to use - $ ./EXIF.py image.jpg
or the Python Imaging Library (PIL):
The Python Imaging Library (PIL) adds image processing capabilities to your Python interpreter. This library supports many fi...