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Functional style of Java 8's Optional.ifPresent and if-not-Present?
...rforms the given action with the value, otherwise performs the given empty-based action.
See excellent Optional in Java 8 cheat sheet.
It provides all answers for most use cases.
Short summary below
ifPresent() - do something when Optional is set
opt.ifPresent(x -> print(x));
opt.ifPresent(...
How do I import a Swift file from another Swift file?
... Use of unresolved identifier 'PrimeNumberModel'
I needed to import the base module in the test file. In my case, my target is called 'myproject' and I added import myproject and the class was recognised.
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No Main() in WPF?
...w.xaml".
As it is stated by others, the actual main function is generated based on the contents of the XAML files in the project.
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@try - catch block in Objective-C
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emacs create new file with ido enabled
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Is it possible to use the instanceof operator in a switch statement?
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@mafu OP's question was about type based dispatching. If your do() method needs more input in order to dispatch than your problem is IMHO outside the scope of the question discussed here.
– jmg
May 29 '15 at 16:16
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How to get a cross-origin resource sharing (CORS) post request working
...s is to probably use a provider JavaScript API which does not make browser based calls and can handle Cross Origin requests.
E.g. Facebook JavaScript API and Google JS API.
In case your API provider is not current and does not support Cross Origin Resource Origin '*' header in its response and doe...
Which gets priority, maxRequestLength or maxAllowedContentLength?
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Eclipse ctrl+right does nothing
...ews like console window.
You can disable welcome screen ( in most eclipse based IDEs it's a checkbox in the welcome screen ) and then restart eclipse just to be sure it won't happend again. Everything will work again.
shar...
How do I ALTER a PostgreSQL table and make a column unique?
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