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Reading an Excel file in PHP [closed]
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PHPExcel has always been able to read and to write a range of spreadsheet formats. Quoting from the first non-heading line of the home page: "Project providing a set of classes for the PHP programming language, which allow you to write to and read from different file formats, l...
Get the client IP address using PHP [duplicate]
... FILTER_VALIDATE_IP,
FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)
!== false) {
return $IPaddress;
}
}
}
}
}
...
How to add 30 minutes to a JavaScript Date object?
... @trevorgrayson If a parameter you specify is outside of the expected range, setMinutes() attempts to update the date information accordingly. For example, if you use 100, the hours will be incremented by 1 and 40 will be used for minutes.
– Mihai Crăiță
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Transpose list of lists
...m = [[1,2,3],[4,5,6],[7,8,9]]
>>> [[row[i] for row in m] for i in range(len(m[0]))]
[[1, 4, 7], [2, 5, 8], [3, 6, 9]]
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Are negative array indexes allowed in C?
... UB. Merely computing somearray-2 is undefined unless the result is in the range from the start of somearray to 1 past its end.
– RBerteig
Aug 13 '10 at 9:12
35
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Regex to validate password strength
... let results = regex.matchesInString(text,
options: [], range: NSMakeRange(0, nsString.length))
return results.map { nsString.substringWithRange($0.range)}
} catch let error as NSError {
print("invalid regex: \(error.localizedDescription)")
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Run a Python script from another Python script, passing in arguments [duplicate]
...ld, you will be able to call a function inside script1 directly:
for i in range(whatever):
script1.some_function(i)
If necessary, you can hack sys.argv. There's a neat way of doing this using a context manager to ensure that you don't make any permanent changes.
import contextlib
@contextlib...
Iterating over every two elements in a list
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A simple solution.
l = [1, 2, 3, 4, 5, 6]
for i in range(0, len(l), 2):
print str(l[i]), '+', str(l[i + 1]), '=', str(l[i] + l[i + 1])
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Are +0 and -0 the same?
... -0.
This could be avoided by subtracting 1 from the integer value so it ranged from -1 to -2^16, but this would be inconvenient.
A more common approach is to store integers in 'two complements', but apparently ECMAscript has chosen not to. In this method numbers range from 0000 to 7FFF positive....
Signed versus Unsigned Integers
...e number.
When using two's complement, the variable can represent a larger range (by one) of negative numbers than positive numbers. This is because zero is included in the 'positive' numbers (since the sign bit is not set for zero), but not the negative numbers. This means that the absolute value ...