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Why does SIGPIPE exist?
From my understanding, SIGPIPE can only occur as the result of a write() , which can (and does) return -1 and set errno to EPIPE ... So why do we have the extra overhead of a signal? Every time I work with pipes I ignore SIGPIPE and have never felt any pain as a result, am I missing somethin...
How to atomically delete keys matching a pattern using Redis
In my Redis DB I have a number of prefix:<numeric_id> hashes.
23 Answers
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Why does Python code run faster in a function?
...de in Python runs in (Note: The timing is done with the time function in BASH in Linux.)
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How to determine function name from inside a function
If I have a Bash script like:
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Convert an integer to a float number
How do I convert an integer value to float64 type?
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'parent.relativePath' points at my com.mycompany:MyProject instead of org.apache:apache - Why?
What is true is that Solr project directory is inside MyProject parent directory (but there's no module or any maven relationship between the 2, just FS convenience). Do I have to place it out?
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Nested JSON objects - do I have to use arrays for everything?
Is there any way to have nested objects in JSON so I don't have to make arrays out of everything? For my object to be parsed without error I seem to need a structure like this:
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How do you represent a JSON array of strings?
This is all you need for valid JSON, right?
4 Answers
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Get the key corresponding to the minimum value within a dictionary
If I have a Python dictionary, how do I get the key to the entry which contains the minimum value?
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Logical XOR operator in C++?
Is there such a thing? It is the first time I encountered a practical need for it, but I don't see one listed in Stroustrup . I intend to write:
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