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Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
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Python vs Cpython
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edited Jun 20 at 9:12
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answered Jun 16 '13 at 7:02
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SQL Server Output Clause into a scalar variable
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162
You need a table variable and it can be this simple.
declare @ID table (ID int)
insert into ...
Convert HH:MM:SS string to seconds only in javascript
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Signed to unsigned conversion in C - is it always safe?
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Your i will be converted to an unsigned integer by adding UINT_MAX + 1, then the addition will be carried out with the unsigned values, resulting in a large result (depending on the values of u and i).
Long Answer
According to the C99 Standard:
6.3.1.8 Usual arithmetic conversions
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Is there a CSS selector by class prefix?
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It's not doable with CSS2.1, but it is possible with CSS3 attribute substring-matching selectors (which are supported in IE7+):
div[class^="status-"], div[class*=" status-"]
Notice the space character in the second attribute selector. This picks up...
Some font-size's rendered larger on Safari (iPhone)
...ings? On my particular website Safari on the iPhone renders some font-size:13px text larger than font-size:15px text. Does it maybe not support font-size on some elements?
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Finding duplicate values in MySQL
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Do a SELECT with a GROUP BY clause. Let's say name is the column you want to find duplicates ...