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Why use apparently meaningless do-while and if-else statements in macros?
In many C/C++ macros I'm seeing the code of the macro wrapped in what seems like a meaningless do while loop. Here are examples.
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Peak signal detection in realtime timeseries data
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33 Answers
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How to prevent rm from reporting that a file was not found?
I am using rm within a BASH script to delete many files. Sometimes the files are not present, so it reports many errors. I do not need this message. I have searched the man page for a command to make rm quiet, but the only option I found is -f , which from the description, "ignore nonexistent f...
nonlocal keyword in Python 2.x
...x. How should one access nonlocal variables in closures in these versions of python?
10 Answers
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How can I find all of the distinct file extensions in a folder hierarchy?
On a Linux machine I would like to traverse a folder hierarchy and get a list of all of the distinct file extensions within it.
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Difference between Big-O and Little-O Notation
What is the difference between Big-O notation O(n) and Little-O notation o(n) ?
4 Answers
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Convert Django Model object to dict with all of the fields intact
How does one convert a Django Model object to a dict with all of its fields? All ideally includes foreign keys and fields with editable=False .
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What are all the common ways to read a file in Ruby?
What are all the common ways to read a file in Ruby?
10 Answers
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UIButton Image + Text IOS
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I see very complicated answers, all of them using code. However, if you are using Interface Builder, there is a very easy way to do this:
Select the button and set a title and an image. Note that if you set the background instead of the image then the image wi...
How to convert an xml string to a dictionary?
... an xml document from a socket. I have the xml document stored in a string which I would like to convert directly to a Python dictionary, the same way it is done in Django's simplejson library.
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