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Pinging servers in Python

...on 2 and Python 3 EDITS: By @radato os.system was replaced by subprocess.call. This avoids shell injection vulnerability in cases where your hostname string might not be validated. import platform # For getting the operating system name import subprocess # For executing a shell command def pi...
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How to flush output of print function?

...e) On Python 2 you'll have to do import sys sys.stdout.flush() after calling print. By default, print prints to sys.stdout (see the documentation for more about file objects). share | improve t...
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SQL Client for Mac OS X that works with MS SQL Server [closed]

How can I connect to a remote SQL server using Mac OS X? I don't really need a GUI, but it would be nice to have for the color coding and resultset grid. I'd rather not have to use a VM. ...
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In-memory size of a Python structure

... Yep. The "4 higher" actually mostly look like "rounding up to a multiple of 8" which I believe is correct for the way malloc behaves here. No idea why decimal gets so distorted (with pympler on 2.6, too). – Alex Martelli ...
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How to use the pass statement?

... I really don't think this properly answers the question. Citing one possible use for something, even if it is the most common use for it, is not the same as explaining what it is for. – Schilcote ...
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Installing R with Homebrew

I'm trying to install R using Homebrew. I ran these commands which are recommended elsewhere on SO: 12 Answers ...
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How to open the default webbrowser using java

... but the program the user has linked it with.... This is not a solution at all! – thesaint May 7 '15 at 20:12 4 ...
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Delete/Reset all entries in Core Data?

Do you know of any way to delete all of the entries stored in Core Data? My schema should stay the same; I just want to reset it to blank. ...
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How to create full compressed tar file using Python?

...e archive will contain service "." or "/" folder which is not a problem usually, but sometimes it can be an issue if you later process this archive programmatically. It seems the only real clean way is to do os.walk and add files individually – The Godfather Fe...
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How do you echo a 4-digit Unicode character in Bash?

...d like to add the Unicode skull and crossbones to my shell prompt (specifically the 'SKULL AND CROSSBONES' (U+2620)), but I can't figure out the magic incantation to make echo spit it, or any other, 4-digit Unicode character. Two-digit one's are easy. For example, echo -e "\x55", . ...