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Python nested functions variable scoping [duplicate]
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When I run your code I get this error:
UnboundLocalError: local variable '_total' referenced before assignment
This problem is caused by this line:
_total += PRICE_RANGES[key][0]
The documentation about Scopes and Namespaces says this:
A special ...
How to draw a dotted line with css?
...ne.
– Graeme Perrow
Nov 17 '09 at 4:05
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What is the difference between is_a and instanceof?
...x it now though. The problem is that the instanceof operator throws syntax errors in PHP 4, and since is_a was deprecated at the exact same time as the operator was introduced it became impossible to write code for both PHP 4 and 5 without throwing an E_STRICT around. You can't even do if (version_c...
How do I jump out of a foreach loop in C#?
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answered Jul 9 '11 at 12:05
Can GencerCan Gencer
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How to retrieve POST query parameters?
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This code gave me errors as middleware is no longer bundled with Express; you'll have to use body-parser: github.com/senchalabs/connect#middleware
– araneae
Jun 13 '14 at 14:00
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Java String new line
...ion in docs
– Lu55
May 28 '18 at 10:05
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javac option to compile all java files under a given directory recursively
...new source or rename an existing one file which is an easy to forget (thus error-prone) and tiresome task.
Using a build tool
On the long run it is better to use a tool that was designed to build software.
Using Ant
If you create a simple build.xml file that describes how to build the software:
<...
What does `m_` variable prefix mean?
...;
private:
std::string name; // This would lead to a compilation error.
std::string m_name; // OK.
};
main.cpp:9:19: error: duplicate member 'name'
std::string name;
^
main.cpp:6:19: note: previous declaration is here
std::string name() const;
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How to configure git push to automatically set upstream without -u?
...s by @VonC and @Frexuz are helpful, but both of their solutions produce an error for me. Using both of their answers, I cobbled together something that works for me:
[alias]
pu = ![[ $(git config "branch.$(git symbolic-ref --short HEAD).merge") = '' ]] && git push -u origin $(git sy...
How to rebase local branch with remote master
... master RB
When trying to push back to origin/RB, you'll probably get an error; if you're the only one working on RB, you can force push:
git push --force origin RB
...or as follows if you have git configured appropriately:
git push -f
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