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How to get a value from a cell of a dataframe?

... Please improve the quality of your answer with a little bit more explanation. – Franck Gamess Jun 25 '18 at 20:08 ...
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Comments in command-line Zsh

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What is a handle in C++?

...to keep a reference to an object, rather than the object itself. What is a more elaborate explanation? 7 Answers ...
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Is there a CSS selector by class prefix?

...elector for the sake of simplicity. However, the combination above is much more robust. If you have control over the HTML source or the application generating the markup, it may be simpler to just make the status- prefix its own status class instead as Gumbo suggests. ...
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Why is it slower to iterate over a small string than a small list?

... TL;DR The actual speed difference is closer to 70% (or more) once a lot of the overhead is removed, for Python 2. Object creation is not at fault. Neither method creates a new object, as one-character strings are cached. The difference is unobvious, but is likely created from a g...
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Creating an API for mobile applications - Authentication and Authorization

...te I go so that I can end up with an oAuth installation, which makes for a more standardized process for interacting with the API. – jsuggs Oct 30 '10 at 14:06 add a comment ...
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Difference between `constexpr` and `const`

...default and = delete are allowed, too, though.) As of C++14, the rules are more relaxed, what is allowed since then inside a constexpr function: asm declaration, a goto statement, a statement with a label other than case and default, try-block, the definition of a variable of non-literal type, defin...
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Is Fortran easier to optimize than C for heavy calculations?

...ers ignore possible aliasing of memory pointers and allow them to generate more efficient code. Take a look at this little example in C: void transform (float *output, float const * input, float const * matrix, int *n) { int i; for (i=0; i<*n; i++) { float x = input[i*2+0]; ...
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Android list view inside a scroll view

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Git authentication fails after enabling 2FA

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