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Build.scala, % and %% symbols meaning
I'm new to Play! Framework 2.1 (java version) and have no experience with scala. I don't understand what are and what does % and %% mean in Build.scala. I googled about them but couldn't find their meaning.
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How to use nodejs to open default browser and navigate to a specific URL
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173
Use opn because it will handle the cross platform issue. To install:
$ npm install opn
To ...
How to extract the n-th elements from a list of tuples?
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188
n = 1 # N. . .
[x[n] for x in elements]
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Convert Object to JSON string
... is to be converted to JSON string
I got a link http://www.devcurry.com/2010/03/convert-javascript-object-to-json.html
but it need to have json2.js do jQuery has a native method to do this?
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Ruby replace string with captured regex pattern
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193
Try '\1' for the replacement (single quotes are important, otherwise you need to escape the \)...
How to create a temporary directory?
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answered Jan 8 '11 at 2:30
moinudinmoinudin
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Convert UNIX epoch to Date object
...as integers representing the number of seconds since the UNIX epoch (e.g. 1352068320 ), but Date objects seem more appropriate for plotting. How can I do the conversion?
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Android Studio - Where can I see callstack while debugging an android app?
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117
At the bottom panel you should have "5: Debug". Click on it and select "Debugger -> Threads...
Javascript replace with reference to matched group?
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Oh, or you could also:
"hello _there_".replace(/_(.*?)_/, "<div>$1</div>")
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Converting an integer to a hexadecimal string in Ruby
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You can give to_s a base other than 10:
10.to_s(16) #=> "a"
Note that in ruby 2.4 FixNum and BigNum were unified in the Integer class.
If you are using an older ruby check the documentation of FixNum#to_s and BigNum#to_s
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