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Proper usage of Optional.ifPresent()
I am trying to understand the ifPresent() method of the Optional API in Java 8.
5 Answers
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Populating spinner directly in the layout xml
...easy to verify. Look at the source code of Spinner and AbsSpinner. On both API 19 and 23, the AbsSpinner constructor makes use of R.styleable.AbsSpinner_entries but nowhere do they use entryValues. It's only a coincidence that your code was doing what you expected. (Or maybe some manufacturers' ROMs...
How to solve javax.net.ssl.SSLHandshakeException Error?
I connected with VPN to setup the inventory API to get product list and it works fine. Once I get the result from the web-service and i bind to UI. And also I integrated PayPal with my application for make Express checkout when I make a call for payment I'm facing this error. I use servlet for back-...
UITableViewCell, show delete button on swipe
...eading or trailing the cell using methods added to the UITableViewDelegate API in iOS 11.
func tableView(_ tableView: UITableView,
leadingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration?
{
let editAction = UIContextualAction(style: .no...
Determine if Android app is being used for the first time
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Beware for Android 6.0 (API 23 - Marshmallow) or above auto backup (developer.android.com/guide/topics/data/autobackup.html)is enabled by default. If the users uninstalls and then reinstalls the app the shared preferences will be recovered. So on re...
What is the 'CLSCompliant' attribute in .NET?
...e to do.
If you intend your code to be consumed by other developers, your API (your public classes and methods) should be CLS compliant. You should declare this by adding the CLSCompliantAttribute to your assemblies. If you are not writing for others, CLS compliance is not necessary, although FxCop...
Do SVG docs support custom data- attributes?
...LUTION: We will reserve "data-*" attributes to be used in SVG content. The API for handling them is on Element. (from SVG WG Telecon on 15-Jan-2015)
https://lists.w3.org/Archives/Public/www-svg/2014Dec/0022.html
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What is the best project structure for a Python application? [closed]
...your tests
/lib for your C-language libraries
/doc for most documentation
/apidoc for the Epydoc-generated API docs.
And the top-level directory can contain README's, Config's and whatnot.
The hard choice is whether or not to use a /src tree. Python doesn't have a distinction between /src, /lib,...
When is it right for a constructor to throw an exception?
...iple followed, along with the simple concept that the behavior, state, and API of any interface should reflect WHAT the object does, not HOW it does it, client code should not even be aware that the object has any kind of internal state that requires initialization, thus the init after pattern viola...
Why is JsonRequestBehavior needed?
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So now we clutter up our API and add verb confusion to "RESTful" interfaces to get around a potential CLIENT driven vulnerability? This seems terrible...but I appreciate the discussion.
– Norman H
Apr 30 '13 at...