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How can I inject a property value into a Spring Bean which was configured using annotations?

...e: @Value("#{systemProperties.databaseName}") public void setDatabaseName(String dbName) { ... } @Value("#{strategyBean.databaseKeyGenerator}") public void setKeyGenerator(KeyGenerator kg) { ... } systemProperties is an implicit object and strategyBean is a bean name. One more example, which wo...
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How to implement a unique index on two columns in rails

...rançoisBeausoleil %w(user_id content_id) in ruby just creates an array of strings, it's not special to rails. You can do the same with "user_id content_id".split which is still creating an array of strings. I am sure you know this, this comment is just so other readers don't relate this to rails in...
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Why does Google +1 record my mouse movements? [closed]

...oyed button like this, you'd expect a lot of collisions. Might explain the extra efforts. – Yahel Jul 24 '11 at 3:12 ...
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Converting Long to Date in Java returns 1970

...will be done on the java.time classes and their extensions in the ThreeTen-Extra project. The java-time framework is defined by JSR 310 and built into Java 8 and later. The java.time classes have been back-ported to Java 6 & 7 on the ThreeTen-Backport project and to Android in the ThreeTenABP pr...
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jQuery scroll() detect when user stops scrolling

...se it like any other on or bind-event handler, except that you can pass an extra parameter as a last: $(window).on('scroll', function(e) { console.log(e.type + '-event was 250ms not triggered'); }, 250); http://yckart.github.com/jquery.unevent.js/ (this demo uses resize instead of scroll, bu...
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Why should I use 'li' instead of 'div'?

... By using semantically correct markup, you are embedding extra information in your text. By using ul/li you are communicating to the consuming application that the information is a list, and not just "something" (who knows what) that is some text inside an arbitrary element. ...
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How should I use try-with-resources with JDBC?

...r to a separate method: public List<User> getUser(int userId) { String sql = "SELECT id, username FROM users WHERE id = ?"; List<User> users = new ArrayList<>(); try (Connection con = DriverManager.getConnection(myConnectionURL); PreparedStatement ps = con.pre...
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Center a column using Twitter Bootstrap 3

...s Bootstrap's own offset classes so it requires no change in markup and no extra CSS. The key is to set an offset equal to half of the remaining size of the row. So for example, a column of size 2 would be centered by adding an offset of 5, that's (12-2)/2. In markup this would look like: <div ...
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List of Big-O for PHP functions

...fred', $a) will return true while isset($['fred']) will return false. This extra step is non-trivial and will greatly increase execution time. – orca Jan 29 '13 at 19:16 ...
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Text-align class for inside a table

...gt; <p class="text-xl-left">Left aligned text on viewports sized XL (extra-large) or wider.</p> share | improve this answer | follow | ...