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Perform .join on value in array of objects
If I have an array of strings, I can use the .join() method to get a single string, with each element separated by commas, like so:
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SQL Server loop - how do I loop through a set of records
how do I loop through a set of records from a select?
8 Answers
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Unique (non-repeating) random numbers in O(1)?
I'd like to generate unique random numbers between 0 and 1000 that never repeat (i.e. 6 doesn't show up twice), but that doesn't resort to something like an O(N) search of previous values to do it. Is this possible?
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Calling class staticmethod within the class body?
When I attempt to use a static method from within the body of the class, and define the static method using the built-in staticmethod function as a decorator, like this:
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HttpClient.GetAsync(…) never returns when using await/async
Edit: This question looks like it might be the same problem, but has no responses...
6 Answers
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Why can't I declare static methods in an interface?
The topic says the most of it - what is the reason for the fact that static methods can't be declared in an interface?
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What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
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11 Answers
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Get an OutputStream into a String
What's the best way to pipe the output from an java.io.OutputStream to a String in Java?
5 Answers
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Why does X[Y] join of data.tables not allow a full outer join, or a left join?
This is a bit of a philosophical question about data.table join syntax. I am finding more and more uses for data.tables, but still learning...
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Find out what process registered a global hotkey? (Windows API)
As far as I've been able to find out, Windows doesn't offer an API function to tell what application has registered a global hotkey (via RegisterHotkey). I can only find out that a hotkey is registered if RegisterHotkey returns false, but not who "owns" the hotkey.
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