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Emacs mode for Stack Overflow's markdown

...eas: ;; Integrate Emacs with Stack Exchange https://stackoverflow.com/a/10386560/789593 (add-to-list 'auto-mode-alist '("stack\\(exchange\\|overflow\\)\\.com\\.[a-z0-9]+\\.txt" . markdown-mode)) Alternatively, if as-external-alist is defined—if M-x describe-variable RET as-external-alist doesn...
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Which is the preferred way to concatenate a string in Python?

...e is the most common. Here are timings with the timeit module: a = a + b: 0.11338996887207031 a += b: 0.11040496826171875 However, those who recommend having lists and appending to them and then joining those lists, do so because appending a string to a list is presumably very fast compared to ex...
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Why does C++ rand() seem to generate only numbers of the same order of magnitude?

... There are only 3% of numbers between 1 and 230 which are NOT between 225 and 230. So, this sounds pretty normal :) Because 225 / 230 = 2-5 = 1/32 = 0.03125 = 3.125% share | ...
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Date.getDay() javascript returns wrong day

...lue returned by getDay is an integer corresponding to the day of the week: 0 for Sunday, 1 for Monday, 2 for Tuesday, and so on. share | improve this answer | follow ...
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What is the shortest way to pretty print a org.w3c.dom.Document to stdout?

... Marco Lackovic 4,00744 gold badges3434 silver badges4545 bronze badges answered Feb 24 '10 at 11:01 BozhoBozho ...
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How do I clear this setInterval inside a function?

...unction() { if (timedCount >= markers.length) { timedCount = 0; } google.maps.event.trigger(markers[timedCount], "click"); timedCount++; }, 5000 ); }; var id = intervalTrigger(); Then to clear the interval: window.clearInterval(id); ...
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Get Image size WITHOUT loading image into memory

...e operations in the source like: ... prefix = fp.read(16) ... fp.seek(0) ... but these hardly constitute reading the whole file. In fact .open simply returns a file object and the filename on success. In addition the docs say: open(file, mode=”r”) Opens and identifies the given ...
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DbArithmeticExpression arguments must have a numeric common type

...| edited Dec 14 '17 at 11:03 community wiki 7 r...
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With MySQL, how can I generate a column containing the record index in a table?

...@curRow + 1 AS row_number FROM league_girl l JOIN (SELECT @curRow := 0) r; The JOIN (SELECT @curRow := 0) part allows the variable initialization without requiring a separate SET command. Test case: CREATE TABLE league_girl (position int, username varchar(10), score int); INSERT INTO leagu...
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How to empty a list in C#?

...ecrocomment this because some misinformation has been provided here as of 2020.List<T>.Clear properly clears all references which allows the GC to clear the allocs when necessary. new List<T> does NOT do this and is unsuitable in effectively all scenarios – John ...