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Using LINQ to concatenate strings

...pport aggregates as extension methods. Using the dot-notation, one simply calls a method on an IEnumerable object. Remember that aggregate queries are executed immediately. More information - MSDN: Aggregate Queries If you really want to use Aggregate use variant using StringBuilder proposed in...
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Can't execute jar- file: “no main manifest attribute”

I have installed an application, when I try to run it (it's an executable jar) nothing happens. When I run it from the commandline with: ...
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How to implement Android Pull-to-Refresh

... Finally, Google released an official version of the pull-to-refresh library! It is called SwipeRefreshLayout, inside the support library, and the documentation is here: Add SwipeRefreshLayout as a parent of view which will b...
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Convert HttpPostedFileBase to byte[]

... Darin says, you can read from the input stream - but I'd avoid relying on all the data being available in a single go. If you're using .NET 4 this is simple: MemoryStream target = new MemoryStream(); model.File.InputStream.CopyTo(target); byte[] data = target.ToArray(); It's easy enough to write...
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How do I lock the orientation to portrait mode in a iPhone Web Application?

...elopment-for-the-iphone/ However... Apple's approach to this issue is to allow the developer to change the CSS based on the orientation change but not to prevent re-orientation completely. I found a similar question elsewhere: http://ask.metafilter.com/99784/How-can-I-lock-iPhone-orientation-in-M...
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Unrecognized SSL message, plaintext connection? Exception

... you. You can do the same yourself. Indeed HttpURLConnection will automatically do it for you, if you don't specify a port at all. – Marquis of Lorne Jun 9 '14 at 23:54 ...
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How to break out of nested loops?

...ested loops: use goto use flags factor out loops into separate function calls Couldn't resist including xkcd here :) source Goto's are considered harmful but as many people in the comments suggest it need not be. If used judiciously it can be a great tool. Anything used in moderation is fun....
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JavaScript ternary operator example with functions

...he best... x = (1 < 2) ? true : false; The use of ternary here is totally uncessesary - you could simply write x = (1 < 2); Likewise, the condition element of a ternary statement is always evaluated as a Boolean value, therefore you can express: (IsChecked == true) ? removeItem($this) :...
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Difference between Grunt, NPM and Bower ( package.json vs bower.json )

...s, but what's most up to date in 2016 is not using Bower, Grunt or Gulp at all! With help of Webpack you can do everything directly in NPM! Google "npm as build tool" result: https://medium.com/@dabit3/introduction-to-using-npm-as-a-build-tool-b41076f488b0#.c33e74tsa Webpack: https://webpack.githu...
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Following git-flow how should you handle a hotfix of an earlier release?

...at only works if production versions are strictly increasing. That's typically true for a website which has only one production version. If you have to maintain multiple production versions, one branch to track production is not enough. A solution is not to use master to track production. Instea...