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How to design a database for User Defined Fields?

...ct layer. You lose the ability to efficiently manage your schema. Is a 100-character varchar the right type for the "value" field? 200-characters? Should it be nvarchar instead? It can be a hard trade-off and one that ends with you having to place artificial limits on the dynamic nature of you...
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How do I profile memory usage in Python?

...3 28 16 164 93 list 2 1 33 12 7 176 100 int >>> x=[] >>> h.iso(x).sp 0: h.Root.i0_modules['__main__'].__dict__['x'] >>> share | i...
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What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort

...nt numbers to be specified in scientific notation, like 1.0e-34 and 10e100. The LC_NUMERIC locale determines the decimal-point character. Do not report overflow, underflow, or conversion errors. Use the following collating sequence: Lines that do not start with numbers (all consider...
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Use of Finalize/Dispose method in C#

... I agree with pm100 (and should have explicitly said this in my earlier post). You should never implement IDisposable in a class unless you need it. To be very specific, there are about 5 times when you would ever need/should implement IDi...
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How do BitTorrent magnet links work?

... +100 Peer discovery and resource discovery (files in your case) are two different things. I am more familiar with JXTA but all peer to p...
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Can PostgreSQL index array columns?

... +100 @Tregoreg raised a question in the comment to his offered bounty: I didn't find the current answers working. Using GIN index on ...
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Set Additional Data to highcharts series

...'+ "<img src=\"images/"+ this.point.img +"\" width=\"100px\" height=\"50px\"/><br>"+ 'Distractor: <b>'+ this.point.distractor +'</b><br/>'+ 'Expected answer: <b>'+ this.point.answer +'</b><br/>';...
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Call An Asynchronous Javascript Function Synchronously

...data) { clearInterval(intvl); console.log(data); } }, 100); All of this assumes that you can modify doSomething(). I don't know if that's in the cards. If it can be modified, then I don't know why you wouldn't just pass a callback to doSomething() to be called from the other ...
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MySQL stored procedure vs function, which would I use when?

...ec) Sproc Example: delimiter // CREATE PROCEDURE simpleproc (IN s CHAR(100)) BEGIN SELECT CONCAT('Hello, ', s, '!'); END// Query OK, 0 rows affected (0.00 sec) delimiter ; CALL simpleproc('World'); +---------------------------+ | CONCAT('Hello, ', s, '!') | +---------------------------+ | H...
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When is JavaScript synchronous?

... 100 JavaScript is single-threaded, and all the time you work on a normal synchronous code-flow exe...