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How does Activity.finish() work in Android?

Could someone provide a description of what happens when an Activity calls its finish() method? 4 Answers ...
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How to set working/current directory in Vim?

... @falstro, do you know how :cd command can apply to all windows within the same vim running instances? Ex: when using split :sp – mgouin Jan 19 '17 at 21:29 ...
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Check if list contains any of another list

...ould be to project parameters to source and then use Intersect which internally uses a HashSet<T> so instead of O(n^2) for the first approach (the equivalent of two nested loops) you can do the check in O(n) : bool hasMatch = parameters.Select(x => x.source) .Inte...
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postgresql - add boolean column to table set default

...D COLUMN priv_user BOOLEAN;, then UPDATE users SET priv_user = 'f'; and finally if you need to ALTER TABLE users ALTER COLUMN priv_user SET NOT NULL;. – Craig Ringer Aug 14 '12 at 0:19 ...
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Sass .scss: Nesting and multiple classes?

... &:nth-child(1){ ... } } However, you can place the & at virtually any position you like*, so the following is possible too: .container { background:red; #id &{ background:blue; } } /* compiles to: */ .container { background: red; } #id .container { back...
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How to find a min/max with Ruby

...ray#max, which are way faster than Enumerable's methods because they skip calling #each. @nicholasklick mentions another option, Enumerable#minmax, but this time returning an array of [min, max]. [4, 5, 7, 10].minmax => [4, 10] ...
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How to jQuery clone() and change id?

...D "klon4") var $klon = $div.clone().prop('id', 'klon'+num ); // Finally insert $klon wherever you want $div.after( $klon.text('klon'+num) ); }); <script src="https://code.jquery.com/jquery-3.1.0.js"></script> <button id="cloneDiv">CLICK TO CLONE</button> ...
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How to keep a git branch in sync with master

... You will have quite a few "merge commits", essentially git trying to resolve differences between your branches. if you're worried about that AND you're the only one using the branch then do a "git rebase master" instead of a "git merge master" AND DO NOT PUSH THE COMMITS TO ...
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How to delete from select in MySQL?

...n result sets. So you need to use IN, not = in your WHERE clause. Additionally, as shown in this answer you cannot modify the same table from a subquery within the same query. However, you can either SELECT then DELETE in separate queries, or nest another subquery and alias the inner subquery resul...
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Why does TestInitialize get fired for every test in my Visual Studio unit tests?

...re that no tests are coupled. If you want to run methods before and after ALL tests, decorate relevant methods with the ClassInitialize and ClassCleanup attributes. Relevant information from the auto generated test-file in Visual Studio: You can use the following additional attributes as you writ...