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How to add to an existing hash in Ruby
In regards to adding an key => value pair to an existing populated hash in Ruby, I'm in the process of working through Apress' Beginning Ruby and have just finished the hashes chapter.
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Sass - Converting Hex to RGBa for background opacity
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The rgba() function can accept a single hex color as well decimal RGB values. For example, this would work just fine:
@mixin background-opacity($color, $opacity: 0.3) {
background: $color; /* The Fallback */
background: rgba($co...
LINQ to SQL - Left Outer Join with multiple join conditions
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You need to introduce your join condition before calling DefaultIfEmpty(). I would just use extension method syntax:
from p in context.Periods
join f in context.Facts on p.id equals f.periodid into fg
from fgi in fg.Where(f =&...
What is the difference between required and ng-required?
What is the difference between required and ng-required (form validation)?
3 Answers
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Using the Swift if let with logical AND operator &&
We know that we can use an if let statement as a shorthand to check for an optional nil then unwrap.
6 Answers
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Visual Studio: Relative Assembly References Paths
When adding a reference to an assembly located within the solution directory, is there any way to add it relatively, so that when checked in and out of a repository it is referenced in projects correctly?
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LIKE vs CONTAINS on SQL Server
Which one of the following queries is faster (LIKE vs CONTAINS)?
4 Answers
4
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CSS: How to have position:absolute div inside a position:relative div not be cropped by an overflow:
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A trick that works is to position box #2 with position: absolute instead of position: relative. We usually put a position: relative on an outer box (here box #2) when we want an inner box (here box #3) with position: absolute to be positioned relative to the outer box. But remember: fo...
iOS 7 TextKit - How to insert images inline with text?
I am trying to get the following effect using a UITextView:
5 Answers
5
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How to expand/collapse a diff sections in Vimdiff?
I've started using vimdiff today, and wanted to do some of the things that I've taken for granted on Windows based diff editors (like expand/collapse a diff section, have full file expansion/only diffs with 3 context lines above or below, etc.). I currently know only the following commands :
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