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Can I install the “app store” in an IOS simulator?
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Why are floating point numbers inaccurate?
...icand). A very simple number, say 9.2, is actually this fraction:
5179139571476070 * 2 -49
Where the exponent is -49 and the mantissa is 5179139571476070. The reason it is impossible to represent some decimal numbers this way is that both the exponent and the mantissa must be integers. In othe...
SQL - many-to-many table primary key
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edited Apr 30 '15 at 3:16
answered Feb 3 '10 at 7:20
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What's the difference between ISO 8601 and RFC 3339 Date Formats?
ISO 8601 and RFC 3339 seem to be two formats that are common the web. Should I use one over the other? Is one just an extension? Do I really need to care that bad?
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Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
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Get exception description and stack trace which caused an exception, all as a string
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See the traceback module, specifically the format_exc() function. Here.
import traceback
try:
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How do I wrap link_to around some html ruby code?
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edited Apr 20 '15 at 9:43
Arslan Ali
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answered ...
MySQL: Set user variable from result of query
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Yes, but you need to move the variable assignment into the query:
SET @user := 123456;
SELECT...
Appropriate datatype for holding percent values?
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Assuming two decimal places on your percentages, the data type you use depends on how you plan ...