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How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
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You've got a workable idea, but the #flatten! is in the wrong place -- it flattens its receiver, so you could use it to turn [1, 2, ['foo', 'bar']] into [1,2,'foo','bar'].
I'm doubtless forgetting some approaches, but you can concatenate:
a1.concat a2
a1 + a2 # creates a new array...
How to use a filter in a controller?
I have written a filter function which will return data based on the argument you are passing. I want the same functionality in my controller. Is it possible to reuse the filter function in a controller?
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GitHub: What is a “wip” branch?
When I was browsing GitHub repositories I quite often saw "wip" branches (e.g. 3.1.0-wip ). What does "wip" mean?
3 Answer...
Is there a way to chain multiple value converters in XAML?
I've got a situation in which I need to show an integer value, bound to a property on my data context, after putting it through two separate conversions:
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How can you determine a point is between two other points on a line segment?
Let's say you have a two dimensional plane with 2 points (called a and b) on it represented by an x integer and a y integer for each point.
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How to sum a variable by group
I have a data frame with two columns. First column contains categories such as "First", "Second", "Third", and the second column has numbers that represent the number of times I saw the specific groups from "Category".
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Colors with unix command “watch”?
Some commands that I use display colors, but when I use them with watch the colors disappears:
6 Answers
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Which characters are valid in CSS class names/selectors?
What characters/symbols are allowed within the CSS class selectors?
I know that the following characters are invalid , but what characters are valid ?
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Constructors vs Factory Methods [closed]
When modelling classes, what is the preferred way of initializing:
10 Answers
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What is the difference between atan and atan2 in C++?
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edited Apr 2 '18 at 23:13
nbro
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