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What is SuppressWarnings (“unchecked”) in Java?
...ype (this is the only thing it can verify, so it verifies only that).
But now add this line.
Integer hello = actualList.get(0);
And JVM will throw an unexpected ClassCastException, as Java compiler inserted an implicit cast.
java.lang.ClassCastException: java.base/java.lang.String cannot be cas...
How to capture stdout output from a Python function call?
...sage:
with Capturing() as output:
do_something(my_object)
output is now a list containing the lines printed by the function call.
Advanced usage:
What may not be obvious is that this can be done more than once and the results concatenated:
with Capturing() as output:
print('hello world...
Deciding between HttpClient and WebClient
...eb API, especially in the form of message handlers for security, etc.
I know mine is only one opinion, but I would only recommend use of HttpClient for any future work. Perhaps there's some way to leverage some of the other pieces coming out of System.Net.Http without using that assembly directly,...
How expensive is the lock statement?
...th locks. Added ints is one of many. Love the suggestion, will use it from now on.
– Kees C. Bakker
Apr 21 '11 at 6:02
...
iOS 7.0 No code signing identities found
...k to make sure it appears in the Keychain Access.
It should be good to go now.
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Are Roslyn SyntaxNodes reused?
...nd re-parse only the portions of the tree that were affected by the edit.
Now when you try to put all five of those things into one data structure you immediately run into problems:
How do you build a node in the first place? The parent and the child both refer to each other, and are immutable, s...
IE9 border-radius and background gradient bleeding
...a gradient just like you drew. I used conditional comments for gte IE9 for now and then applied box-shadow: inset 0 -8px 10px rgba(0,0,0,0.15), 0 1px 0 rgba(255,255,255, 0.3), inset 0 1px 0 rgba(255,255,255, 0.3);
– Volomike
May 22 '12 at 19:40
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Can I get a list of files marked --assume-unchanged?
...s snippet:
[alias]
ignored = !git ls-files -v | grep "^[[:lower:]]"
Now typing git ignored will give you output like this:
h path/to/ignored.file
h another/ignored.file
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Why use @PostConstruct?
...
With @PostConstruct being removed in Java 11, how can we now handle this real world example with Java 11?
– tet
Oct 30 '18 at 9:40
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When should we use Observer and Observable?
...n its state which you would want to broadcast to the rest of the program.
Now, to do this we have to call some kind of method. We don't want the Observable class to be tightly coupled with the classes that are interested in observing it. It doesn't care who it is as long as it fulfils certain crite...