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Which concurrent Queue implementation should I use in Java?

...conds). Fairness means that the Lock implementation will keep the threads ordered. Meaning if Thread A enters and then Thread B enters, Thread A will get the lock first. With no fairness, it is undefined really what happens. It will most likely be the next thread that gets scheduled. As for whi...
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What are the primary differences between Haskell and F#? [closed]

...apply code transformations more freely when it isn't bound to preserve the order of (unknown) side effects. In "encouraged purity" languages you write mostly similar code so the same optimizations would be applicable, only they might invalidate side effects (which aren't there, but the compiler can'...
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How to get the input from the Tkinter Text Widget?

...ly issue with this is that it actually adds a newline to our input. So, in order to fix it we should change END to end-1c(Thanks Bryan Oakley) The -1c deletes 1 character, while -2c would mean delete two characters, and so on. def retrieve_input(): input = self.myText_Box.get("1.0",'end-1c') ...
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How does the const constructor actually work?

...peated calculations, or to make it possible to impose a meaningful sorting order. This means that const expressions like const Foo(1, 1) can represent any usable form that is useful for comparison in virtual machine. The VM only needs to take into account the value type and arguments in the orde...
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Exception thrown in catch and finally clause

...eption() ); // <-- currentException = Exception } } } The order in which the application executes is: main() { try q() { try catch finally } catch finally } share ...
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Change font color for comments in vim

...t was because that line came before the line syntax on, once i swapped the order, it worked fine.. – guskenny83 Jun 23 '16 at 3:51  |  show 3 ...
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How can I add a column that doesn't allow nulls in a Postgresql database?

...row. Not sure how Postgres locks up a table when doing this. Or, if column order matters, you can't just add a column with the ALTER command. – alphadogg Feb 5 '09 at 14:31 ...
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Comparing two dataframes and getting the differences

...hod, and exception is raised if differences found, even in columns/indices order. If I got you right, you want not to find changes, but symmetric difference. For that, one approach might be concatenate dataframes: >>> df = pd.concat([df1, df2]) >>> df = df.reset_index(drop=True) ...
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How do I link a JavaScript file to a HTML file?

... HTML document, ideally inside the which points to your javascript files. Order of the script tags are important. Load the jQuery before your script files if you want to use jQuery from your script. <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min...
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Regex select all text between tags

...means "OR". +? Plus character states to select one or more of the above - order does not matter. Question mark changes the default behavior from 'greedy' to 'ungreedy'. (?=(</pre>)) Selection have to be appended by the </pre> tag Depending on your use case you might need to add some...