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Can I force a page break in HTML printing?

... Add a CSS class called "pagebreak" (or "pb"), like so: @media print { .pagebreak { page-break-before: always; } /* page-break-after works, as well */ } Then add an empty DIV tag (or any block element that generates a box) where you wan...
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Why does Go have a “goto” statement

... x = x + 1 } if x == 2 { return z } x = x - 2 p = (((((x*_gamP[0]+_gamP[1])*x+_gamP[2])*x+_gamP[3])*x+_gamP[4])*x+_gamP[5])*x + _gamP[6] q = ((((((x*_gamQ[0]+_gamQ[1])*x+_gamQ[2])*x+_gamQ[3])*x+_gamQ[4])*x+_gamQ[5])*x+_gamQ[6])*x + _gamQ[7] return z * p / q small: if x == 0 ...
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Renaming columns in pandas

...UMNS Use the df.rename() function and refer the columns to be renamed. Not all the columns have to be renamed: df = df.rename(columns={'oldName1': 'newName1', 'oldName2': 'newName2'}) # Or rename the existing DataFrame (rather than creating a copy) df.rename(columns={'oldName1': 'newName1', 'oldNam...
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Get class name of object as string in Swift

... Is this really the case? According to the docs for String for this initializer "an unspecified result is supplied automatically by the Swift standard library" when it doesn't conform to Streamable, or CustomStringConvertible, or Cust...
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Get city name using geolocation

... as to which one will have the city. "administrative_area_level_1" is usually what you are looking for but sometimes locality is the city you are after. Anyhow - more details on google response types can be found here and here. Below is the code that should do the trick: <!DOCTYPE html> ...
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How to save a PNG image server-side, from a base64 data string

...plode(';', $data); list(, $data) = explode(',', $data); $data = base64_decode($data); file_put_contents('/tmp/image.png', $data); And as a one-liner: $data = base64_decode(preg_replace('#^data:image/\w+;base64,#i', '', $data)); An efficient method for extracting, decoding, and checking for e...
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How to compare arrays in JavaScript?

I'd like to compare two arrays... ideally, efficiently. Nothing fancy, just true if they are identical, and false if not. Not surprisingly, the comparison operator doesn't seem to work. ...
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Why does SIGPIPE exist?

...zero timeout) to consume any pending SIGPIPE signal (which is sent to the calling thread, not the process) before unmasking it again. I believe the reason SIGPIPE exists is much simpler: establishing sane default behavior for pure "filter" programs that continuously read input, transform it somehow...
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In-place type conversion of a NumPy array

...Py array of int32 , how do I convert it to float32 in place ? So basically, I would like to do 6 Answers ...
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Programmatically obtain the Android API level of a device?

... obtain API level programatically by the system constant (Build.VERSION.SDK_INT). For example you can run some piece of code which requires newer API in the following way (it will execute if the current device's API level is at least 4) if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.DONUT) { ...