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What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java
I usually end up trying every combination until it compiles. Can somebody explain what I should use where?
3 Answers
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Is there a more elegant way of adding an item to a Dictionary safely?
...rst check if the key already exists otherwise I get a " key already exists in dictionary " error. The code below solves this but is clunky.
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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
I was going through the exercises in Ruby Koans and I was struck by the following Ruby quirk that I found really unexplainable:
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How to show line number when executing bash script
...error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem.
Is there a method which can output the line number of the script before each line is executed?
Or output the line number before the command exhibition generated by s...
When correctly use Task.Run and when just async-await
I would like to ask you on your opinion about the correct architecture when to use Task.Run . I am experiencing laggy UI in our WPF .NET 4.5
application (with Caliburn Micro framework).
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How to Remove ReadOnly Attribute on File Using PowerShell?
How can I remove the ReadOnly attribute on a file, using a PowerShell (version 1.0) script?
6 Answers
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How can I make git do the “did you mean” suggestion?
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According to git-config(1), you want to set help.autocorrect appropriately. For example, git config --global help.autocorrect 5 will make it wait half a second before running the command so you can see the message first.
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how to restart only certain processes using supervisorctl?
I'm running a few processes using supervisord, named process1, process2, ..., process8. If I want to restart process{1-4}, how can I do that with supervisorctl?
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Calling a class function inside of __init__
I'm writing some code that takes a filename, opens the file, and parses out some data. I'd like to do this in a class. The following code works:
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Why java classes do not inherit annotations from implemented interfaces?
I've been using Guice's AOP to intercept some method calls. My class implements an interface and I would like to annotate the interface methods so Guice could select the right methods. Even if the annotation type is annotated with Inherited annotation implementing class doesn't inherit the annotat...