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Using Java 8's Optional with Stream::flatMap
...:stream)
.findFirst();
Java 8
Yes, this was a small hole in the API, in that it's somewhat inconvenient to turn an Optional<T> into a zero-or-one length Stream<T>. You could do this:
Optional<Other> result =
things.stream()
.map(this::resolve)
.fl...
Is there a built-in function to print all the current properties and values of an object?
... '__stderr__', '__stdin__', '__stdo
t__', '_current_frames', '_getframe', 'api_version', 'argv', 'builtin_module_names', 'byteorder
, 'call_tracing', 'callstats', 'copyright', 'displayhook', 'dllhandle', 'exc_clear', 'exc_info'
'exc_type', 'excepthook', 'exec_prefix', 'executable', 'exit', 'getchec...
How does autowiring work in Spring?
...ion is introduced in spring 2.5 docs.spring.io/spring-framework/docs/2.5.x/api/org/…
– SpringLearner
Aug 27 '15 at 8:08
1
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How do you get a string from a MemoryStream?
...use it, think about String.TrimStart. See: docs.microsoft.com/en-us/dotnet/api/…
– Skalli
Oct 8 '19 at 13:46
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How to create a custom exception type in Java? [duplicate]
...le I haven't forgotten some advanced things (mostly related to good style, API design). At any rate, your post has been imminently helpful.
– jpaugh
Oct 19 '15 at 0:27
...
Gradle - getting the latest release version of a dependency
...sible automated (and perhaps manual) testing. That process should include API compatibility checks, regression testing and so on. Why then can the build become a lottery? Only if you are "releasing" artifacts that have not been sufficiently tested.
– RCross
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If strings are immutable in .NET, then why does Substring take O(n) time?
... and allows for the pointer to be passed in a P/Invoke to Win32 (or other) APIs which expect a null-terminated string.
When you do Substring(0, 5) the "oh, but I promised there'd be a null-character after the last character" rule says you need to make a copy. Even if you got the substring at the e...
Using Mockito's generic “any()” method
...
Please have a look into the API, the class argument is just used for casting, the method still accepts any kind of object! site.mockito.org/mockito/docs/current/org/mockito/…. Use isA() for this case site.mockito.org/mockito/docs/current/org/mockito/...
Why does String.valueOf(null) throw a NullPointerException?
...? Browse other questions tagged java null nullpointerexception overloading api-design or ask your own question.
How do I convert a decimal to an int in C#?
...
From the documentation : "This API supports the .NET Framework infrastructure and is not intended to be used directly from your code". Why not use Convert.ToInt32?
– H.Wolper
Feb 19 '15 at 7:05
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