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How to trace the path in a Breadth-First Search?
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It's recommended to use collections.deque instead of a list. list.pop(0)'s complexity is O(n) while deque.popleft() is O(1)
– Omar_0x80
Dec 29 '18 at 16:17
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Changing the default header comment license in Xcode
Whenever I create a new .cpp/.h file in Xcode a comment is added to the top of the file. For example:
11 Answers
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How to create EditText with rounded corners? [closed]
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There is an easier way than the one written by CommonsWare. Just create a drawable resource that specifies the way the EditText will be drawn:
<?xml version="1.0" encoding="utf-8"?>
<!-- res/drawable/rounded_edittext.xml -->
<shape xmlns:android="http://sc...
Remote JMX connection
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Don't forget about hostname -i, see stackoverflow.com/a/11654322/99834 for details.
– sorin
Jul 25 '12 at 16:26
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When to use next() and return next() in Node.js
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Subset of rows containing NA (missing) values in a chosen column of a data frame
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How to get different colored lines for different plots in a single figure?
...ractive? for example in R I convert ggplot to ggplotly(), and the plot becomes html interactive
– kRazzy R
May 4 '18 at 14:44
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Java 8: performance of Streams vs Collections
...l don't know the API in depth, but I've made a small informal benchmark to compare the performance of the new Streams API vs the good old Collections.
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How do I get monitor resolution in Python?
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For multiplatform complete solution, refer to this answer
– Dhruv Reshamwala
Sep 20 '16 at 6:20
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What does @@variable mean in Ruby?
...is a class variable. Check out the following example; its output is in the comments at the end of the puts lines:
class Test
@@shared = 1
def value
@@shared
end
def value=(value)
@@shared = value
end
end
class AnotherTest < Test; end
t = Test.new
puts "t.value is #{t.value}...