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Java HashMap performance optimization / alternative
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What is RSS and VSZ in Linux memory management
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How to do Base64 encoding in node.js?
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2052
Buffers can be used for taking a string or piece of data and doing base64 encoding of the resul...
Difference between variable declaration syntaxes in Javascript (including global variables)?
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How do I grant myself admin access to a local SQL Server instance?
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edited May 30 '19 at 14:52
Jim G.
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Detect Safari browser
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edited Feb 14 '16 at 15:51
jcubic
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How do I serialize an object and save it to a file in Android?
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251
Saving (w/o exception handling code):
FileOutputStream fos = context.openFileOutput(fileName, ...
Histogram using gnuplot?
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yes, and its quick and simple though very hidden:
binwidth=5
bin(x,width)=width*floor(x/width)
plot 'datafile' using (bin($1,binwidth)):(1.0) smooth freq with boxes
check out help smooth freq to see why the above makes a histogram
to deal with ranges just set the xrange variable.
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What is the difference between join and merge in Pandas?
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right = pd.DataFrame({'key': ['foo', 'bar'], 'val': [4, 5]}).set_index('key')
left.join(right, lsuffix='_l', rsuffix='_r')
val_l val_r
key
foo 1 4
bar 2 5
The same functionality can be had by using merge on the columns follows:
left = pd.D...
Make XAMPP/Apache serve file outside of htdocs [closed]
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Ok, per pix0r's, Sparks' and Dave's answers it looks like there are three ways to do this:
Vi...