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How to fix “Attempted relative import in non-package” even with __init__.py
...ry to execute the above shell command, the fact that you need __init__.pys all the way down, and the __package__-modifying trickery (described below by BrenBarn) needed to allow these imports for executable scripts (e.g. when using a shebang and doing ./my_script.py at the Unix shell) would all be u...
Open document with default OS application in Python, both in Windows and Mac OS
... open a document using its default application in Windows and Mac OS. Basically, I want to do the same thing that happens when you double-click on the document icon in Explorer or Finder. What is the best way to do this in Python?
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Can every recursion be converted into iteration?
...sive form. Unless there's a compelling reason, you probably shouldn't (manually) convert these functions to an explicitly iterative algorithm. Your computer will handle that job correctly.
I can see one compelling reason. Suppose you've a prototype system in a super-high level language like [donnin...
Default template arguments for function templates
Why are default template arguments only allowed on class templates? Why can't we define a default type in a member function template? For example:
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How to debug Lock wait timeout exceeded on MySQL?
In my production error logs I occasionally see:
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How do you crash a JVM?
...ught that you could do so by writing an infinite for-loop that would eventually use up all the memory.
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Coding Conventions - Naming Enums
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Technically, enum instances are classes. That's why they can have methods.
– Ted Hopp
Nov 15 '11 at 22:44
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Installing Python packages from local file system folder to virtualenv with pip
Is it possible to install packages using pip from the local filesystem?
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Why should casting be avoided? [closed]
I generally avoid casting types as much as possible since I am under the impression that it's poor coding practice and may incur a performance penalty.
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What's the difference between xsd:include and xsd:import?
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Another difference is that <import> allows importing by referring to another namespace. <include> only allows importing by referring to a URI of intended include schema. That is definitely another difference than inter-intra namespace importing.
For exam...