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Which is better, number(x) or parseFloat(x)?
...er out of the string, while Number gives NaN (not a number):
parseFloat('1x'); // => 1
Number('1x'); // => NaN
In addition, Number understands hexadecimal input while parseFloat does not:
parseFloat('0x10'); // => 0
Number('0x10'); // => 16
But Number acts weird with empty strings ...
What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
What are some good explanations on what argument dependent lookup is? Many people also call it Koenig Lookup as well.
4 Ans...
There is no ListBox.SelectionMode=“None”, is there another way to disable selection in a listbox?
How do I disable selection in a ListBox?
16 Answers
16
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C default arguments
...e lack of checking when using varargs.
– dmckee --- ex-moderator kitten
Sep 24 '09 at 15:03
16
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How can I remove a trailing newline?
...ly removes the input record separator from the end. That's a newline on Unixy things, but may be different (e.g. Windows) and it's mutable. Is there a way to remove that value only once from the end of a string?
– brian d foy
Nov 8 '08 at 21:04
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Define all functions in one .R file, call them from another .R file. How, if possible?
How do I call functions defined in abc.R file in another file, say xyz.R?
1 Answer
1
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Add SUM of values of two LISTS into new LIST
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The zip function is useful here, used with a list comprehension.
[x + y for x, y in zip(first, second)]
If you have a list of lists (instead of just two lists):
lists_of_lists = [[1, 2, 3], [4, 5, 6]]
[sum(x) for x in zip(*lists_of_lists)]
# -> [5, 7, 9]
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Error to install Nokogiri on OSX 10.9 Maverick?
I upgraded my OSX (Lion) to Mavericks and I can't install Nokogiri for my projects.
30 Answers
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What is a simple/minimal browserconfig.xml for a web site
...on't want to see the 404 Not Found messages as IE looks for browserconfig.xml scrolling by in my log files.
6 Answers
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Why do objects of the same class have access to each other's private data?
... meaningful per-object access control at compile time". Why not? In void X::f(X&x), the compiler is easily capable of distinguishing this->a and x.a. It's not (always) possible for the compiler to know that *this and x are actually the same object if x.f(x) is invoked, but I could very well...