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Best practices/performance: mixing StringBuilder.append with String.concat
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184
+ operator
String s = s1 + s2
Behind the scenes this is translated to:
String s = new String...
How to read json file into java with simple JSON library
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84
The whole file is an array and there are objects and other arrays (e.g. cars) in the whole ar...
why is plotting with Matplotlib so slow?
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edited Aug 26 '15 at 16:14
soupault
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answered Ja...
INSERT IF NOT EXISTS ELSE UPDATE?
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edited Jul 2 '14 at 6:34
answered Sep 3 '10 at 10:55
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When do we have to use copy constructors?
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The copy constructor generated by the compiler does member-wise copying. Sometimes that is not s...
Python division
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You're using Python 2.x, where integer divisions will truncate instead of becoming a floating p...
How to send data to local clipboard from a remote SSH session
...rhileighalmgrenrhileighalmgren
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Boolean Field in Oracle
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Shog9
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answered Aug 27 '08 at 13:23
ColinYounger...
Gradle build without tests
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edited Dec 30 '17 at 14:17
David Avendasora
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How to check if array element exists or not in javascript?
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+1, nice. You can also use if(arrayName[index] === 'undefined') as a shortcut
– AnchovyLegend
Oct 8 '...