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Difference between size_t and unsigned int?

I am so confused about size_t . I have searched on the internet and everywhere mentioned that size_t is an unsigned type so, it can represent only non-negative values. ...
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Is it possible to declare two variables of different types in a for loop?

...se a structured binding declaration. The syntax has been supported in gcc and clang for years (since gcc-7 and clang-4.0) (clang live example). This allows us to unpack a tuple like so: for (auto [i, f, s] = std::tuple{1, 1.0, std::string{"ab"}}; i < N; ++i, f += 1.5) { // ... } The above...
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Understanding __get__ and __set__ and Python descriptors

I am trying to understand what Python's descriptors are and what they are useful for. I understand how they work, but here are my doubts. Consider the following code: ...
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How do ACID and database transactions work?

What is the relationship between ACID and database transaction? 8 Answers 8 ...
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How to open every file in a folder?

...have a python script parse.py, which in the script open a file, say file1, and then do something maybe print out the total number of characters. ...
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git stash blunder: git stash pop and ended up with merge conflicts

I did a git stash pop and ended up with merge conflicts. I removed the files from the file system and did a git checkout as shown below, but it thinks the files are still unmerged. I then tried replacing the files and doing a git checkout again and same result. I event tried forcing it with -...
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how do I make a single legend for many subplots with matplotlib?

... There is also a nice function get_legend_handles_labels() you can call on the last axis (if you iterate over them) that would collect everything you need from label= arguments: handles, labels = ax.get_legend_handles_labels() fig.legend(handles, labels, loc='upper c...
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Benefits of header-only libraries

What are the benefits of a header only library and why would you write it that way oppose to putting the implementation into separate file? ...
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When should we use intern method of String on String literals

...in String pool, otherwise a new string object will be added in String pool and the reference of this String is returned. 1...
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[ :Unexpected operator in shell programming [duplicate]

...et of sh syntax - the /bin/sh executable on your system may provide only standard sh functionality, in which []-style tests are not included. – Tim Aug 5 '10 at 1:17 13 ...