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sed beginner: changing all occurrences in a folder
I need to do a regex find and replace on all the files in a folder (and its subfolders). What would be the linux shell command to do that?
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Resetting generator object in Python
I have a generator object returned by multiple yield. Preparation to call this generator is rather time-consuming operation. That is why I want to reuse the generator several times.
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Get Slightly Lighter and Darker Color from UIColor
I was looking to be able to turn any UIColor into a gradient. The way I am intending to do this is by using Core Graphics to draw a gradient. What I am trying to do is to get a color, lets say:
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How can I get query string values in JavaScript?
Is there a plugin-less way of retrieving query string values via jQuery (or without)?
73 Answers
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Search for executable files using find command
What type of parameter/flag can I use with the Unix find command so that I search executables?
10 Answers
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How to echo with different colors in the Windows command line
...he colors of the whole command line window but I wanted to to print one single line in a different color.
22 Answers
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How to specialize std::hash::operator() for user-defined type in unordered containers?
To support user-defined key types in std::unordered_set<Key> and std::unordered_map<Key, Value>
one has to provide operator==(Key, Key) and a hash functor:
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Remove an element from a Bash array
I need to remove an element from an array in bash shell.
Generally I'd simply do:
20 Answers
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How can I parse a string with a comma thousand separator to a number?
I have 2,299.00 as a string and I am trying to parse it to a number. I tried using parseFloat , which results in 2. I guess the comma is the problem, but how would I solve this issue the right way? Just remove the comma?
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Confused by python file mode “w+”
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Let's say you're opening the file with a with statement like you should be. Then you'd do something like this to read from your file:
with open('somefile.txt', 'w+') as f:
# Note that f has now been truncated to 0 bytes, so you'll only
# b...