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How to compute the sum and average of elements in an array?
I am having problems adding all the elements of an array as well as averaging them out. How would I do this and implement it with the code I currently have? The elements are supposed to be defined as I have it below.
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One-liner to take some properties from object in ES 6
How one can write a function, which takes only few attributes in most-compact way in ES6?
11 Answers
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Mac OS X Terminal: Map option+delete to “backward delete word”
Tried to map it from Preferences -> Settings -> Keyboard, but the "key" combo box has only "forward delete" but no "delete". My keyboard on the other hand has only "delete" and no "forward delete"!
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SPAN vs DIV (inline-block)
Is there any reason to use a <div style="display:inline-block"> instead of a <span> to layout a webpage?
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SVN needs-lock 设置强制只读属性（官方资料） - 环境配置 - 清泛IT论坛，...
Automatic lock-modify-unlock
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Different versions of binary files cannot be merged. Therefore versioning of binary files should follow the lock-modify-unlock model[1]. This setup uses the following three measuresforces users to use property svn:...
Cycles in family tree software
...eveloper of some family tree software (written in C++ and Qt). I had no problems until one of my customers mailed me a bug report. The problem is that the customer has two children with their own daughter, and, as a result, he can't use my software because of errors.
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How to return a part of an array in Ruby?
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Yes, Ruby has very similar array-slicing syntax to Python. Here is the ri documentation for the array index method:
--------------------------------------------------------------- Array#[]
array[index] -> obj...
Best practices/performance: mixing StringBuilder.append with String.concat
I'm trying to understand what the best practice is and why for concatenating string literals and variables for different cases. For instance, if I have code like this
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Reusable library to get human readable version of file size?
There are various snippets on the web that would give you a function to return human readable size from bytes size:
22 Answ...
Repeat string to certain length
... is an efficient way to repeat a string to a certain length? Eg: repeat('abc', 7) -> 'abcabca'
13 Answers
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