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Effective way to find any file's Encoding
... == 0xff) return new UTF32Encoding(true, true); //UTF-32BE
// We actually have no idea what the encoding is if we reach this point, so
// you may wish to return null instead of defaulting to ASCII
return Encoding.ASCII;
}
...
Float vs Decimal in ActiveRecord
...r that is how the IEEE specification defines floats in binary format. Basically, it stores sign, fraction and exponent to represent a Float. It's like a scientific notation for binary (something like +1.43*10^2). Because of that, it is impossible to store fractions and decimals in Float exactly.
Th...
How do I interpret precision and scale of a number in a database?
...number of decimal places
ie 123456.789 has a scale of 3
Thus the maximum allowed value for decimal(5,2) is 999.99
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A Java collection of value pairs? (tuples?)
... clear that the Pair class is never going to have any logic associated and all clients will need access to 'left' and 'right,' so why not make it easy?
– Outlaw Programmer
Feb 6 '09 at 17:39
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GridView VS GridLayout in Android Apps
... visible on screen. Whereas if you use a GridLayout you would have to load all the images that will be displayed at anytime causing an outofmemory error in most of devices.
– BigBen3216
Jun 6 '13 at 23:43
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How to split data into training/testing sets using sample function
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@VedaadShakib when you use "-" it omit all the index in train_ind from your data. Take a look at adv-r.had.co.nz/Subsetting.html . Hope it helps
– dickoa
Aug 1 '16 at 22:05
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NSLog with CGPoint data
I have a CGPoint called point that is being assigned a touch:
6 Answers
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Formatting NSDate into particular styles for both year, month, day, and hour, minute, seconds
I basically need to get current date and time separately, formatted as:
8 Answers
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Pandas conditional creation of a series/dataframe column
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List comprehension is another way to create another column conditionally. If you are working with object dtypes in columns, like in your example, list comprehensions typically outperform most other methods.
Example list comprehension:
df['color'] = ['red' if x == 'Z' else 'green' for x in d...
How to obtain the last path segment of a URI
...) and ended up here. If you're using that instead, there's a method there called getLastPathSegment() which should do the same thing. :)
– pm_labs
Mar 4 '13 at 4:19
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