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How do different retention policies affect my annotations?
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How do I create an average from a Ruby array?
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Try this:
arr = [5, 6, 7, 8]
arr.inject{ |sum, el| sum + el }.to_f / arr.size
=> 6.5
Note the .to_f, which you'll want for avoiding any problems from integer division. You can also do:
arr = [5, 6, 7, 8]
arr.inject(0.0) { |sum, el| sum ...
What is non-blocking or asynchronous I/O in Node.js?
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edited Aug 21 '17 at 7:05
Sachin Bahukhandi
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answered May 13 ...
iterating over each character of a String in ruby 1.8.6 (each_char)
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Associativity of “in” in Python?
... #then jump to 22,
14 POP_TOP
15 LOAD_CONST 2 ('a')
18 COMPARE_OP 6 (in) #this is never executed, so no Error
21 RETURN_VALUE
>> 22 ROT_TWO
23 POP_...
Determine if an object property is ko.observable
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158
Knockout includes a function called ko.isObservable(). You can call it like ko.isObservable(v...
How to generate controller inside namespace in rails
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answered Feb 23 '13 at 17:45
Chris PetersChris Peters
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How can I get jquery .val() AFTER keypress event?
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152
Change keypress to keyup:
$(someTextInputField).on("keyup", function() {
alert($(this).val()...
Object.getOwnPropertyNames vs Object.keys
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Override setter with arc
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Evan
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answered Oct 29 '11 at 3:19
PascalPascal
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