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Passing properties by reference in C#

... Properties cannot be passed by reference. Here are a few ways you can work around this limitation. 1. Return Value string GetString(string input, string output) { if (!string.IsNullOrEmpty(input)) { return input; } return output; } void Main() { var person = new Pe...
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How do I group Windows Form radio buttons?

How can I group the radio buttons in Windows Form application (a lot like ASP.NET's radiobuttonlist!)? 9 Answers ...
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How to quickly clear a JavaScript Object?

... The short answer to your question, I think, is no (you can just create a new object). In this example, I believe setting the length to 0 still leaves all of the elements for garbage collection. You could add this to Object.protot...
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How do I specify multiple targets in my podfile for my Xcode project?

I'm using CocoaPods with my Xcode 4 project and I have three targets for my project (the default, one for building a lite version and one for building a demo version). All the targets use the same libraries, but CocoaPods is only adding the static library and search paths to the primary target. My p...
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How to send a header using a HTTP request through a curl call?

... "Content-Type: application/xml" -X GET http://hostname/resource POST: For posting data: curl --data "param1=value1&param2=value2" http://hostname/resource For file upload: curl --form "fileupload=@filename.txt" http://hostname/resource RESTful HTTP Post: curl -X POST -d @filename http...
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How to create a new database using SQLAlchemy?

... On postgres, three databases are normally present by default. If you are able to connect as a superuser (eg, the postgres role), then you can connect to the postgres or template1 databases. The default pg_hba.conf permits only the unix user named postgres t...
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Why should I avoid using Properties in C#?

...ason, but I don't really understand. Can anyone explain to me why I should or should not use properties? In C# 3.0, with automatic properties, does this change? ...
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Testing javascript with Mocha - how can I use console.log to debug a test?

... What Mocha options are you using? Maybe it is something to do with reporter (-R) or ui (-ui) being used? console.log(msg); works fine during my test runs, though sometimes mixed in a little goofy. Presumably due to the async nature of the test run. Here are the options (mocha.opts) I'm usi...
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Handling InterruptedException in Java

...uptedException. First of all, you should see throws InterruptedException for what it is: A part of the method signature and a possible outcome of calling the method you're calling. So start by embracing the fact that an InterruptedException is a perfectly valid result of the method call. Now, if t...
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How to calculate the number of days between two dates? [duplicate]

...hours long. If your date range spans a daylight saving change, you'll lose or gain an hour (typically). Use Math.round() on the result (avoid floor or ceil). – Mark Sep 20 '11 at 2:33 ...