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What to do Regular expression pattern doesn't match anywhere in string?
... | on dbl click
| on focus
| on mouse down
| on mouse move
| on mouse out
| on mouse over
| on mouse up
| on key down
| on key press
| on key up
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How should I choose an authentication library for CodeIgniter? [closed]
... wiki, Redux has been discontinued, but the Ion Auth fork is going strong: https://github.com/benedmunds/CodeIgniter-Ion-Auth
Ion Auth is a well featured library without it being overly heavy or under advanced. In most cases its feature set will more than cater for a project's requirements.
Pros
L...
Adding a column to an existing table in a Rails migration
...ew one with just the add column in the up section and a drop column in the down section.
You can change the original and rerun it if you migrate down between, but in this case I think that's made a migration that won't work properly.
As currently posted, you're adding the column and then creating ...
Load a UIView from nib in Swift
...mp; trailing constraints - attaching the view to "self" on all sides (See: https://stackoverflow.com/a/46279424/2274829 for details)
Returning the top level view
And the caller method might look like this:
final class SomeView: UIView { // 1.
required init?(coder aDecoder: NSCoder) { // 2 ...
Android Fragment handle back button press [duplicate]
...our onActivityCreated() method of Fragment.
You also need to check Action_Down or Action_UP event. If you will not check then onKey() Method will call 2 times.
Also, If your rootview(getView()) will not contain focus then it will not work. If you have clicked on any control then again you need to ...
Most efficient way to convert an HTMLCollection to an Array
...nt, here is a jsfiddle that compares the performance of different methods. https://jsfiddle.net/qw9qf48j/
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Check if a number has a decimal place/is a whole number
...
I didn't down vote but I'd say its something to do with 20.0, still has a decimal point and satisfies the above. +1 from me anyway for teaching me something new :)
– Abe Petrillo
Sep 1 '11 at 16:...
Specifying Style and Weight for Google Fonts
..., and is because if you dont assing the weight on the link css google wont download the proper "bold" format to achieve this you have to declare the "link href" as follow: <link href='fonts.googleapis.com/css?family=Comfortaa:400,700' rel='stylesheet' type='text/css'>
– ...
What is the difference between “screen” and “only screen” in media queries?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
When should we use mutex and when should we use semaphore
...ead) want to sleep till some other thread tells you to wake up. Semaphore 'down' happens in one thread (producer) and semaphore 'up' (for same semaphore) happens in another thread (consumer)
e.g.: In producer-consumer problem, producer wants to sleep till at least one buffer slot is empty - only the...