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Generating a random & unique 8 character string using MySQL
...E vehicles SET numberplate=concat(
substring('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', rand(@seed:=round(rand(@lid)*4294967296))*36+1, 1),
substring('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', rand(@seed:=round(rand(@seed)*4294967296))*36+1, 1),
substring('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', rand...
Math - mapping numbers
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If your number X falls between A and B, and you would like Y to fall between C and D, you can a...
Is there a command to refresh environment variables from the command prompt in Windows?
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139
You can capture the system environment variables with a vbs script, but you need a bat script ...
Why is sed not recognizing \t as a tab?
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11 Answers
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Linux command or script counting duplicated lines in a text file?
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219
Send it through sort (to put adjacent items together) then uniq -c to give counts, i.e.:
sort ...
Python try…except comma vs 'as' in except
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The definitive document is PEP-3110: Catching Exceptions
Summary:
In Python 3.x, using as is required to assign an exception to a variable.
In Python 2.6+, use the as syntax, since it is far less ambiguous and forward compatible with Python 3.x.
In Pytho...
Python Logging (function name, file name, line number) using a single file
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edited Mar 18 '13 at 2:56
Rose Perrone
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.NET JIT potential error?
...sing Visual Studio 2008 and targeting .NET 3.5. I've also tried .NET 3.5 SP1.
3 Answers
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How do I remove a folder from source control with TortoiseSVN?
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13 Answers
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How to scale down a range of numbers with a known min and max value
...anel. I want the height and width of each ellipse to be in a range of say 1-30. I have methods that find the minimum and maximum values from my data set, but I won't have the min and max until runtime. Is there an easy way to do this?
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