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Find the files existing in one directory but not in the other [closed]

...es existing in one directory but not in the other, I tried to use this command: 14 Answers ...
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Argparse optional positional arguments?

...arguments: dir optional arguments: -h, --help show this help message and exit -v share | improve this answer | follow | ...
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In OS X Lion, LANG is not set to UTF-8, how to fix it?

I try to setup postgress in OS X Lion, and find that is not correctly setup the LOCALE environment var. 5 Answers ...
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How to get the python.exe location programmatically? [duplicate]

Basically I want to get a handle of the python interpreter so I can pass a script file to execute (from an external application). ...
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Kill process by name?

I'm trying to kill a process (specifically iChat). On the command line, I use these commands: 15 Answers ...
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How to run a shell script in OS X by double-clicking?

... First in terminal make the script executable by typing the following command: chmod a+x yourscriptname Then, in Finder, right-click your file and select "Open with" and then "Other...". Here you select the application you want the file to execute into, in this case it would be Terminal. To be...
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Merge PDF files

...splitting documents page by page, * merging documents page by page, (and much more) Here's a sample program that works with both versions. #!/usr/bin/env python import sys try: from PyPDF2 import PdfFileReader, PdfFileWriter except ImportError: from pyPdf import PdfFileReader, PdfFil...
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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]

I understand the basics of how ports work. However, what I don't get is how multiple clients can simultaneously connect to say port 80. I know each client has a unique (for their machine) port. Does the server reply back from an available port to the client, and simply state the reply came from 80? ...
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How to debug Lock wait timeout exceeded on MySQL?

...nnoDB tables. Since you know the query, all the tables being accessed are candidates for being the culprit. From there, you should be able to run SHOW ENGINE INNODB STATUS\G You should be able to see the affected table(s) You get all kinds of additional Locking and Mutex Information. Here is a sampl...
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How to load all modules in a folder?

... List all python (.py) files in the current folder and put them as __all__ variable in __init__.py from os.path import dirname, basename, isfile, join import glob modules = glob.glob(join(dirname(__file__), "*.py")) __all__ = [ basename(f)[:-3] for f in modules if isfile(f) ...