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Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted
I've encountered the dreaded error-message, possibly through-painstaking effort, PHP has run out of memory:
13 Answers
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Does Go provide REPL?
The interactive environment is VERY helpful for a programmer. However, it seems Go does not provide it. Is my understanding correct?
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Reference requirements.txt for the install_requires kwarg in setuptools setup.py file
I have a requirements.txt file that I'm using with Travis-CI. It seems silly to duplicate the requirements in both requirements.txt and setup.py , so I was hoping to pass a file handle to the install_requires kwarg in setuptools.setup .
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foreach vs someList.ForEach(){}
There are apparently many ways to iterate over a collection. Curious if there are any differences, or why you'd use one way over the other.
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How do you rename a Git tag?
Today I was looking through the logs for a project and realized that I fat fingered a tag name some time ago. Is there some way to rename the tag? Google hasn't turned up anything useful.
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What does -1 mean in numpy reshape?
A numpy matrix can be reshaped into a vector using reshape function with parameter -1. But I don't know what -1 means here.
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Can I invoke an instance method on a Ruby module without including it?
I have a module which declares a number of instance methods
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MySQL Cannot drop index needed in a foreign key constraint
I need to ALTER my existing database to add a column. Consequently I also want to update the UNIQUE field to encompass that new column. I'm trying to remove the current index but keep getting the error MySQL Cannot drop index needed in a foreign key constraint
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Convert a series of parent-child relationships into a hierarchical tree?
I have a bunch of name-parentname pairs, that I'd like to turn into as few heirarchical tree structures as possible. So for example, these could be the pairings:
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When to use volatile with multi threading?
If there are two threads accessing a global variable then many tutorials say make the variable volatile to prevent the compiler caching the variable in a register and it thus not getting updated correctly.
However two threads both accessing a shared variable is something which calls for protection v...