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How can a LEFT OUTER JOIN return more records than exist in the left table?
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How to verify an XPath expression in Chrome Developers tool or Firefox's Firebug?
...be an overkill)
Here is how you search XPath in Elements panel:
Press F12 to open Chrome Developer Tool
In "Elements" panel, press Ctrl+F
In the search box, type in XPath or CSS Selector, if elements are found, they will be highlighted in yellow.
Firefox (since version 75)
Since FF 75 it's ...
Using Linq to get the last N elements of a collection?
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17 Answers
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Are Swift variables atomic?
...al keywords (similar to @lazy) might be introduced later on.
Update 07/20/15: according to this blogpost on singletons swift environment can make certain cases thread safe for you, i.e.:
class Car {
static let sharedCar: Car = Car() // will be called inside of dispatch_once
}
private let shar...
How to create a directory if it doesn't exist using Node.js?
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What does `:_*` (colon underscore star) do in Scala?
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154
It "splats"1 the sequence.
Look at the constructor signature
new Elem(prefix: String, label:...
How can I tell IntelliJ's “Find in Files” to ignore generated files?
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Create a Custom Scope defining the set of files to include/exclude from your search.
CTRL+SH...
Get a list of all the files in a directory (recursive)
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This code works for me:
import groovy.io.FileType
def list = []
def dir = new File("path_to_...
Change text color based on brightness of the covered background area?
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+50
Interes...