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What is the Swift equivalent of respondsToSelector?

... you are calling respondsToSelector: on an Obj-C type in Swift, then it works the same as you would expect. If you are using it on your own Swift class, you will need to ensure your class derives from NSObject. Here's an example of a Swift class that you can check if it responds to a selector: cla...
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How can I format a number into a string with leading zeros?

... Rather simple: Key = i.ToString("D2"); D stands for "decimal number", 2 for the number of digits to print. share | improve this answer ...
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Git undo local branch delete

... sashoalm 58.8k8888 gold badges317317 silver badges636636 bronze badges answered Oct 26 '10 at 16:57 bobDevilbobDev...
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DropDownList's SelectedIndexChanged event not firing

I have a DropDownList object in my web page. When I click on it and select a different value, nothing happens, even though I have a function wired up to the SelectedIndexChanged event. ...
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How do I install a NuGet package into the second project in a solution?

I'm currently working on a solution that initially contained one project ( My.First.Project.Name ). I've installed Castle Windsor by executing: ...
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How do I declare and initialize an array in Java?

... community wiki 13 revs, 10 users 48%glmxndr ...
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delegate keyword vs. lambda notation

...tree can then be compiled to an anonymous delegate. Edit: Here's some links for Expressions. System.Linq.Expression.Expression(TDelegate) (start here). Linq in-memory with delegates (such as System.Func) uses System.Linq.Enumerable. Linq to SQL (and anything else) with expressions uses System.L...
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How do I get a platform-dependent new line character?

...thods) you can use %n as in Calendar c = ...; String s = String.format("Duke's Birthday: %1$tm %1$te,%1$tY%n", c); //Note `%n` at end of line ^^ String s2 = String.format("Use %%n as a platform independent newline.%n"); // %% becomes % ^^ // ...
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Java: Get last element after split

...ow an ArrayIndexOutOfBoundsException. Example: https://onlinegdb.com/r1M-TJkZ8 share | improve this answer | follow | ...
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In Perl, how can I read an entire file into a string?

... script on the server, you can have all the modules you want. See How do I keep my own module/library directory?. In addition, Path::Class::File allows you to slurp and spew. Path::Tiny gives even more convenience methods such as slurp, slurp_raw, slurp_utf8 as well as their spew counterparts. ...