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Why does Convert.ToString(null) return a different value if you cast null?

...e to any reference type. In this case string is more specific than object and hence it will be picked as the winner. In the null as object you've solidified the type of the expression as object. This means it's no longer compatible with the string overload and the compiler picks the object over...
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Convert String[] to comma separated string in java

... Again, concepts... And thanks for the down-vote. But there you go, fixed it. – Nico Huysamen Jul 8 '11 at 10:31 ...
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How to search DOM elements using XPath or CSS selectors in Chrome Developer Tools?

...ntext) This allows you to select a particular iframe content, for example, and run an xpath query against it. So for the first iframe: myframe = document.getElementsByTagName("iframe")[0].contentWindow.document.body; #to xpath query that iframe for table cells: $x("//td",myframe); ...
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bootstrap popover not showing on top of all elements

I'm working on a bootstrap site and after updating to bootstrap 2.2 from 2.0 everything worked except the popover. 15 Answe...
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UIWebView open links in Safari

... return true } UIApplication.shared.open(url, options: [:], completionHandler: nil) return false } Update As openURL has been deprecated in iOS 10: - (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationTy...
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How to safely call an async method in C# without await

... PerformAsyncTaskWithoutAwait(this Task task, Action<Task> exceptionHandler) { var dummy = task.ContinueWith(t => exceptionHandler(t), TaskContinuationOptions.OnlyOnFaulted); } } Usage: MyAsyncMethod().PerformAsyncTaskWithoutAwait(t => log.ErrorFormat("An...
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How to sum up an array of integers in C#

... Provided that you can use .NET 3.5 (or newer) and LINQ, try int sum = arr.Sum(); share | improve this answer | follow | ...
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Best way to strip punctuation from a string

...e that myself, but yours is better written than anything I would have done and now I can use it as a template for any future timing code I want to write:). – Lawrence Johnston Nov 5 '08 at 19:57 ...
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Can I use conditional statements with EJS templates (in JMVC)?

and if yes, what is the syntax? My goal is to prepend an 's' to the word 'comment' when there is more than one. in an jQuery.ejs template in a JMVC app. The following breaks. I can't find any docs for conditionals... ...
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Syntax highlighting for Jade in Sublime Text 2?

...e Text 2 on Mac. I also just started using Jade for my views in Node.js, and am wondering if there is a way to add syntax highlighting for Jade into Sublime Text 2. ...