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Sorting list based on values from another list?
I have a list of strings like this:
15 Answers
15
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Convert float to double without losing precision
I have a primitive float and I need as a primitive double. Simply casting the float to double gives me weird extra precision. For example:
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What is the fastest way to get the value of π?
I'm looking for the fastest way to obtain the value of π, as a personal challenge. More specifically, I'm using ways that don't involve using #define constants like M_PI , or hard-coding the number in.
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How do lexical closures work?
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Python is actually behaving as defined. Three separate functions are created, but they each have the closure of the environment they're defined in - in this case, the global environment (or the outer function's environment if the loop is placed inside anoth...
How to kill all processes matching a name?
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From man 1 pkill
-f The pattern is normally only matched against the process name.
When -f is set, the full command line is used.
Which means, for example, if we see these lines in ps aux:
apache 24268 0.0 ...
I want to get the type of a variable at runtime
I want to get the type of a variable at runtime.
How do I do this?
4 Answers
4
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Difference between fold and reduce?
Trying to learn F# but got confused when trying to distinguish between fold and reduce . Fold seems to do the same thing but takes an extra parameter. Is there a legitimate reason for these two functions to exist or they are there to accommodate people with different backgrounds? (E.g.: String ...
Format numbers to strings in Python
I need to find out how to format numbers as strings. My code is here:
8 Answers
8
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grep exclude multiple strings
I am trying to see a log file using tail -f and want to exclude all lines containing the following strings:
7 Answers
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Automate ssh-keygen -t rsa so it does not ask for a passphrase
... -t rsa with out a password i.e. enter at the prompt.
How can I do that from a shell script?
7 Answers
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