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What's the difference between lists and tuples?

.... A list on the other hand could be used to store multiple locations. Naturally one might want to add or remove locations from the list, so it makes sense that lists are mutable. On the other hand it doesn't make sense to add or remove items from an existing location - hence tuples are immutable. T...
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What is the meaning of “this” in Java?

Normally, I use this in constructors only. 21 Answers 21 ...
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How do I get my Python program to sleep for 50 milliseconds?

...rity, CPU load avg, available memory, and a plethora of other factors make all calls imprecise. The busier the system is, the higher the imprecision. – David Jan 28 '19 at 18:44 2...
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Is there a way to crack the password on an Excel VBA Project?

...y best to explain how it works - please excuse my English. The VBE will call a system function to create the password dialog box. If user enters the right password and click OK, this function returns 1. If user enters the wrong password or click Cancel, this function returns 0. After the dialog bo...
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How can mixed data types (int, float, char, etc) be stored in an array?

... @texasbruce also called a "tagged union". I'm using this technique too in my own language. ;) – user529758 Sep 2 '13 at 16:50 ...
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Concatenating two one-dimensional NumPy arrays

...smetic than substantial, but it's good when the API is consistent (e.g. if all the numpy functions that take variable length argument lists require explicit sequences). – Jim K. Aug 24 '16 at 20:43 ...
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Is there an online name demangler for C++? [closed]

...d implementations of demanglers are horribly buggy and insecure. They basically only work on mangled names that the same platform produced, but may run into high complexity or flat out memory errors on general inputs. – Kerrek SB Mar 29 '17 at 0:07 ...
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How to process POST data in Node.js?

... The functionality is actually in the BodyParser module in connect, if you want to use a lower level entry point. – Julian Birch Jun 20 '11 at 6:59 ...
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TypeError: 'str' does not support the buffer interface

...ype. In py3 plaintext is only a string, and the method outfile.write() actually takes a byte array when outfile is opened in binary mode, so an exception is raised. Change the input to plaintext.encode('utf-8') to fix the problem. Read on if this bothers you. In py2, the declaration for file.wri...
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What is a segmentation fault?

...ng to a read-only portion of the memory, etc. Segmentation fault is essentially the same in most languages that let you mess with the memory management, there is no principial difference between segfaults in C and C++. There are many ways to get a segfault, at least in the lower-level languages suc...