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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 deal with a slow SecureRandom generator?

If you want a cryptographically strong random numbers in Java, you use SecureRandom . Unfortunately, SecureRandom can be very slow. If it uses /dev/random on Linux, it can block waiting for sufficient entropy to build up. How do you avoid the performance penalty? ...
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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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How to pass html string to webview on android

... web view, after parsing I am creating four strings so that I could append all string to one view. I am able to get two views on the web view but not the first two strings. ...
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How can I access Google Sheet spreadsheets only with Javascript?

...e was no easy way to organize the data). The update was just to your 'callbackCells()' method. Check it out: github.com/rw3iss/google-spreadsheet-javascript.git Thanks again man! – Ryan Weiss Oct 11 '12 at 6:38 ...
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Clearing intent

My Android app is getting called by an intent that is passing information (pendingintent in statusbar). 20 Answers ...
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Polymorphism vs Overriding vs Overloading

...xample when teaching a class. The canonical "Bank Account" class didn't really express the "abstractness" of the base class. The other canonical example (Animal, make noise) was too abstract for understanding. I was looking for a single base with too obvious subclasses. Actually, goPee() was the...