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Operator overloading in Java

...hich comes close to "custom" operator overloading is the handling of + for strings, which either results in compile-time concatenation of constants or execution-time concatenation using StringBuilder/StringBuffer. You can't define your own operators which act in the same way though. For a Java-like...
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Run Command Prompt Commands

... this is all you have to do run shell commands from C# string strCmdText; strCmdText= "/C copy /b Image1.jpg + Archive.rar Image2.jpg"; System.Diagnostics.Process.Start("CMD.exe",strCmdText); EDIT: This is to hide the cmd window. System.Diagnostics.Process process = new Syste...
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Generating all permutations of a given string

What is an elegant way to find all the permutations of a string. E.g. permutation for ba , would be ba and ab , but what about longer string such as abcdefgh ? Is there any Java implementation example? ...
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How to create ASP.NET Web API Url?

...troller : ApiController { // GET /api/values public IEnumerable<string> Get() { // returns /api/values/123 string url = Url.Route("DefaultApi", new { controller = "values", id = "123" }); return new string[] { "value1", "value2" }; } // GET /api/val...
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Best way to convert an ArrayList to a string

I have an ArrayList that I want to output completely as a String. Essentially I want to output it in order using the toString of each element separated by tabs. Is there any fast way to do this? You could loop through it (or remove each element) and concatenate it to a String but I think this wi...
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Change date format in a Java string

I've a String representing a date. 19 Answers 19 ...
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Regex lookahead for 'not followed by' in grep

... you can use negated character classes [^L], alternation |, and the end of string anchor $. In your case grep 'Ui\.\([^L]\|$\)' * does the job. Ui\. matches the string you're interested in \([^L]\|$\) matches any single character other than L or it matches the end of the line: [^L] or $. If you...
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What is the printf format specifier for bool?

... I would +1 this if you get rid of the non-single-string-literal expression as the format string. This kind of usage easily turns into unsafe usage. printf("%s", x ? "true" : "false"); would fix the issue. – R.. GitHub STOP HELPING ICE ...
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How can I limit possible inputs in a HTML5 “number” element?

...-numeric characters to be entered, because object.length would be an empty string for the number inputs, and therefore its length would be 0. Thus the maxLengthCheck function won't work. Solution: See this or this for examples. Demo - See the full version of the code here: http://jsfiddle.net/DRSD...
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Entity Framework is Too Slow. What are my options? [closed]

...timise (using projections) those few queries where you really need use the extra benefit. EF and POCO gives you reasonable default, which is very nice! – Victor Jan 16 '14 at 21:49 ...