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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)

...tring columnName = String.Empty; int modulo; while (dividend > 0) { modulo = (dividend - 1) % 26; columnName = Convert.ToChar(65 + modulo).ToString() + columnName; dividend = (int)((dividend - modulo) / 26); } return columnName; } ...
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Is it safe to use -1 to set all bits to true?

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Visual Studio build fails: unable to copy exe-file from obj\debug to bin\debug

...This is going to sound stupid, but I tried all these solutions, running VS2010 on Windows 7. None of them worked except the renaming and building, which was VERY tedious to say the least. Eventually, I tracked down the culprit, and I find it hard to believe. But I was using the following code in Ass...
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Rolling median algorithm in C

...| edited Dec 12 '14 at 17:05 Josh O'Brien 144k2424 gold badges318318 silver badges421421 bronze badges a...
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How do I use vim registers?

... D. Ben Knoble 3,47211 gold badge1717 silver badges3030 bronze badges answered Sep 30 '09 at 13:12 FModa3FModa3 12.7k11 gold badge...
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How to crop circular area from bitmap in Android

...ARGB_8888); Canvas canvas = new Canvas(output); final int color = 0xff424242; final Paint paint = new Paint(); final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight()); paint.setAntiAlias(true); canvas.drawARGB(0, 0, 0, 0); paint.setColor(color); // c...
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Select random row from a sqlite table

... answered Feb 17 '10 at 10:06 Adriaan StanderAdriaan Stander 146k2626 gold badges261261 silver badges272272 bronze badges ...
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Regular expression for first and last name

... 202 Don't forget about names like: Mathias d'Arras Martin Luther King, Jr. Hector Sausage-Hausen ...
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Truncating floats in Python

...ng''' s = '{}'.format(f) if 'e' in s or 'E' in s: return '{0:.{1}f}'.format(f, n) i, p, d = s.partition('.') return '.'.join([i, (d+'0'*n)[:n]]) This is valid in Python 2.7 and 3.1+. For older versions, it's not possible to get the same "intelligent rounding" effect (at lea...
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Efficiently test if a port is open on Linux?

...o use: exec 6<>/dev/tcp/ip.addr.of.server/445 echo -e "GET / HTTP/1.0\n" >&6 cat <&6 I'm using 6 as the file descriptor because 0,1,2 are stdin, stdout, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe. As per the comment below, ...