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Java synchronized static methods: lock on object or class

...en when there are multiple instances of that class. The locking is essentially the same as locking on the Object.class for each synchronized method. – Steven Oct 16 '12 at 23:36 ...
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Test for multiple cases in a switch, like an OR (||)

... You can use fall-through: switch (pageid) { case "listing-page": case "home-page": alert("hello"); break; case "details-page": alert("goodbye"); break; } ...
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Can't connect to local MySQL server through socket '/tmp/mysql.sock

...t over 2 weeks (not even kidding) and this is the closest I have got to finally be able to connect. It is however stuck on 'starting mysql' ..... But thanks, nice post! – L. Klotz Nov 3 '15 at 12:40 ...
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How to center canvas in html5

..., let me add a little bit more details. The above properties will horizontally center the canvas, div or whatever other node you have relative to it's parent. There is no need to change the top or bottom margins and paddings. You specify a width and let the browser fill the remaining space with the...
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SQL WHERE ID IN (id1, id2, …, idn)

...tion 2 does the same but you repeat the column name lots of times; additionally the SQL engine doesn't immediately know that you want to check if the value is one of the values in a fixed list. However, a good SQL engine could optimize it to have equal performance like with IN. There's still the rea...
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jQuery autocomplete tagging plug-in like StackOverflow's input tags? [closed]

...loud/visualsearch/ (demo) http://harvesthq.github.io/chosen/ (this isn't really a tagging plugin) (demo?) http://bootstrap-tagsinput.github.io/bootstrap-tagsinput/examples/ (demo?) http://jcesar.artelogico.com/jquery-tagselector/ (demo?) http://remysharp.com/wp-content/uploads/2007/12/tagging.php (d...
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How to output numbers with leading zeros in JavaScript [duplicate]

... NOTE: Potentially outdated. ECMAScript 2017 includes String.prototype.padStart You're asking for zero padding? Not really rounding. You'll have to convert it to a string since numbers don't make sense with leading zeros. Something like ...
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How do I get the current line number?

...er to do this work for you, by writing a utility method that uses the new caller attributes: using System.Runtime.CompilerServices; static void SomeMethodSomewhere() { ShowMessage("Boo"); } ... static void ShowMessage(string message, [CallerLineNumber] int lineNumber = 0, [CallerMemberN...
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How do I assert an Iterable contains elements with a certain property?

... Its not especially Hamcrest, but I think it worth to mention here. What I use quite often in Java8 is something like: assertTrue(myClass.getMyItems().stream().anyMatch(item -> "foo".equals(item.getName()))); (Edited to Rodrigo Manyar...
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Find index of last occurrence of a sub-string using T-SQL

...ence of a string using SQL? I am using SQL Server 2000 right now. I basically need the functionality that the .NET System.String.LastIndexOf method provides. A little googling revealed this - Function To Retrieve Last Index - but that does not work if you pass in a "text" column expression. ...