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Strings as Primary Keys in SQL Database [closed]
I am not very familiar with databases and the theories behind how they work. Is it any slower from a performance standpoint (inserting/updating/querying) to use Strings for Primary Keys than integers?
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Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after
... If that's the first one in your path, and the linker decides it needs to convert a .res file to COFF object format, the link will fail with LNK1123.
(Really annoying that the error message has nothing to do with the actual problem, but that's not unusual for a Microsoft product.)
Just delete/ren...
Why charset names are not constants?
Charset issues are confusing and complicated by themselves, but on top of that you have to remember exact names of your charsets. Is it "utf8" ? Or "utf-8" ? Or maybe "UTF-8" ? When searching internet for code samples you will see all of the above. Why not just make them named constants and use ...
Dealing with commas in a CSV file
I am looking for suggestions on how to handle a csv file that is being created, then uploaded by our customers, and that may have a comma in a value, like a company name.
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Multiline strings in JSON
...working because they're not escaping the backslash, as "\\n", so Python is converting the escape sequence to a newline character rather than leaving it as literally a backslash followed by an en, as JSON requires.
– user359996
Jan 30 '13 at 21:57
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Checkbox for nullable boolean
..., "Female" },
{ "U", "Undecided" },
};
//Convert the Dictionary Type into a SelectListItem Type
Sexsli = SexDict.Select(k =>
new SelectListItem
{
Selected = (k.Key == "U"),
Text = k.Value,
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Java logical operator short-circuiting
Which set is short-circuiting, and what exactly does it mean that the complex conditional expression is short-circuiting?
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What's the point of NSAssert, actually?
...Is that the reason why to use NSAssert? Or what else is the benefit of it? And is it right to put an NSAssert just above any assumption I make in code, like a function that should never receive a -1 as param but may a -0.9 or -1.1?
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Comparing mongoose _id and strings
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converting object id to string(using toString() method) will do the job.
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How was the first compiler written?
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What wrote the first compiler that converted something into binary instructions?
A human did. Read about the A-0 system:
In 1952, Grace Hopper completed her first compiler for Sperry, known as the A-0. The A-0 System was a set of instructions that could ...