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Scala downwards or decreasing for loop?
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scala> 10 to 1 by -1
res1: scala.collection.immutable.Range = Range(10, 9, 8, 7, 6, 5, 4, 3, 2, 1)
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Getting Java version at runtime
I need to work around a Java bug in JDK 1.5 which was fixed in 1.6. I'm using the following condition:
12 Answers
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How to compute the sum and average of elements in an array?
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31 Answers
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Is it correct to use JavaScript Array.sort() method for shuffling?
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12 Answers
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How does numpy.histogram() work?
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A bin is range that represents the width of a single bar of the histogram along the X-axis. Yo...
Which is faster: while(1) or while(2)?
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681
Both loops are infinite, but we can see which one takes more instructions/resources per iteratio...
Remap values in pandas column with a dict
I have a dictionary which looks like this: di = {1: "A", 2: "B"}
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Rails I18n validation deprecation warning
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Important: Make sure your app is not using I18n 0.6.8, it has a bug that prevents the configura...
How to darken a background using CSS?
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198
Just add this code to your image css
body{
background:
/* top, transparent bl...
Could not locate Gemfile
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164
You do not have Gemfile in a directory where you run that command.
Gemfile is a file containin...