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What blocks Ruby, Python to get Javascript V8 speed? [closed]
...ave decades of experience (I'm talking individually – collectively it's more like centuries) in creating high-performance execution engines for dynamic OO languages. They are basically the same people who also created the Sun HotSpot JVM (among many others).
Lars Bak, the lead developer, has bee...
Split (explode) pandas dataframe string entry to separate rows
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Can the solution be extended to more than two columns?
– horatio1701d
Jun 25 '14 at 21:54
1
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Open soft keyboard programmatically
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@YosiTaguri, much more elegant if you are dealing with activities. And what about fragments ?! +1 for both answers
– S.Thiongane
Feb 19 '14 at 15:07
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Why is arr = [] faster than arr = new Array?
...ould provide you a sufficient visualization so you can understand how much more (or less) processing is required.
Based on the above tokens, we know as a fact ARRAY_INIT will always produce an array. We therefore simply create an array and populate it. As far as ambiguity, the lexical analysis s...
Do DOM tree elements with ids become global variables?
...isible on window or as globals. Stick to document.getElementById, which is more widely-supported and less ambiguous. You can write a trivial wrapper function with a shorter name if you don't like the typing. Either way, there's no point in using an id-to-element lookup cache, because browsers typica...
What is the good python3 equivalent for auto tuple unpacking in lambda?
...st not to say "there is no way out", a third way could be to implement one more level of lambda calling just to unfold the parameters - but that would be at once more inefficient and harder to read than your two suggestions:
min(points, key=lambda p: (lambda x,y: (x*x + y*y))(*p))
update Python 3...
How to mark a class as Deprecated? [duplicate]
How do you mark a class as deprecated? I do not want to use a class any more in my project, but do not want to delete it before a period of 2 weeks.
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How do I replace the *first instance* of a string in .NET?
...gex.Replace(String, String, Int32), which can do the same, but is probably more expensive at runtime, since it's utilizing a full featured parser where my method does one find and three string concatenations.
EDIT2: If this is a common task, you might want to make the method an extension method:
p...