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Aren't Python strings immutable? Then why does a + “ ” + b work?

...the variable a to point at a new string "Dog eats treats". You didn't actually mutate the string "Dog". Strings are immutable, variables can point at whatever they want. share | improve this answe...
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Checking if form has been submitted - PHP

...for in some cases (e.g. with check boxes and button without a name). You really should use: if ($_SERVER['REQUEST_METHOD'] == 'POST') share | improve this answer | follow ...
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Building a minimal plugin architecture in Python

... Mine is, basically, a directory called "plugins" which the main app can poll and then use imp.load_module to pick up files, look for a well-known entry point possibly with module-level config params, and go from there. I use file-monitorin...
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Why doesn't django's model.save() call full_clean()?

...t curious if anyone knows if there's good reason why django's orm doesn't call 'full_clean' on a model unless it is being saved as part of a model form. ...
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General guidelines to avoid memory leaks in C++ [closed]

... programs? How do I figure out who should free memory that has been dynamically allocated? 29 Answers ...
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What's the difference between a Python “property” and “attribute”?

I am generally confused about the difference between a "property" and an "attribute", and can't find a great resource to concisely detail the differences. ...
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Dealing with float precision in Javascript [duplicate]

...of significant digits, like this: (Math.floor(y/x) * x).toFixed(2) Convert all your numbers to integers share | improve this answer | follow | ...
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Python Linked List

...le to reference separate parts of them. Make them immutable and they are really easy to work with! 28 Answers ...
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Convert string to Python class object?

... there's a class with that name in the currently defined namespace. Essentially, I want the implementation for a function which will produce this kind of result: ...
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Execution of Python code with -m option or not

...st python -m foo.bar.baz foo.bar __main__ As a result, Python has to actually care about packages when using the -m switch. A normal script can never be a package, so __package__ is set to None. But run a package or module inside a package with -m and now there is at least the possibility of a pac...