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Concept behind these four lines of tricky C code

... number increments the exponent by one. Your program does it precisely 771 times, so the exponent which started at 1075 (decimal representation of 10000110011) becomes 1075 + 771 = 1846 at the end; binary representation of 1846 is 11100110110. The resultant pattern looks like this: 01110011 0110101...
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How do I redirect output to a variable in shell? [duplicate]

...be supported while back-ticks ar not. <(...) - is nice, but most of the time I use it with diff to compare output. – ony Jul 28 '17 at 15:29 2 ...
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What is the difference between NaN and None?

... which basically disables all efficiency in numpy. So repeat 3 times fast: object==bad, float==good Saying that, many operations may still work just as well with None vs NaN (but perhaps are not supported i.e. they may sometimes give surprising results): In [15]: s_bad.sum() Out[15...
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How to delete multiple buffers in Vim?

... I too had a need for this functionality all the time. This is the solution I have in my vimrc. function! GetBufferList() return filter(range(1,bufnr('$')), 'buflisted(v:val)') endfunction function! GetMatchingBuffers(pattern) return filter(GetBufferList(), 'bufn...
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iOS app error - Can't add self as subview

...events pushes/pops unless the top vc is the same one from a given point in time. .h file: @interface UINavigationController (SafePushing) - (id)navigationLock; ///< Obtain "lock" for pushing onto the navigation controller - (void)pushViewController:(UIViewController *)viewController animated:...
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How to know when UITableView did scroll to bottom in iPhone

... Unfortunately that my App will update data real time for existing rows in this table, so this way may get more content when the table is not scroll at all. – Son Nguyen Feb 28 '11 at 3:58 ...
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push_back vs emplace_back

... we have to repeatedly include subheaders. Due to a combination of our time constraints and compilation speed concerns, we haven't simulated variadic templates in our emplace functions. When variadic templates are implemented in the compiler, you can expect that we'll take advanta...
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Why do you not use C for your web apps?

...a not far away), finding the right API call is a challenge on its own. The time wasted to find this (and then to find how badly the native API call is implemented), the time to learn by hart it for the next time you need it, all this time is depriving you from the time necessary to resolve your appl...
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git: Your branch is ahead by X commits

...out understanding the situation, you are potentially producing trouble for times ahead (rewritten history!). If you understand the situation, this will not be the fix for it. Please think before you type when using git, and don't ever mindlessly rewrite history! – cmaster - rei...
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Get time difference between two dates in seconds

.../ Do your operations var endDate = new Date(); var seconds = (endDate.getTime() - startDate.getTime()) / 1000; Or even simpler (endDate - startDate) / 1000 as pointed out in the comments unless you're using typescript. The explanation You need to call the getTime() method for the Date objects, a...