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What are the differences between Helper and Utility classes?

...ts more common. A Utility class is understood to only have static methods and be stateless. You would not create an instance of such a class. A Helper can be a utility class or it can be stateful or require an instance be created. I would avoid this if possible. If you can make the name more spe...
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SignalR: Why choose Hub vs. Persistent Connection?

I've been searching and reading up on SignalR recently and, while I see a lot of explanation of what the difference is between Hubs and Persistent Connections I haven't been able to get my head around the next level, which is why would I choose one approach over the other? ...
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“Pretty” Continuous Integration for Python

... You might want to check out Nose and the Xunit output plugin. You can have it run your unit tests, and coverage checks with this command: nosetests --with-xunit --enable-cover That'll be helpful if you want to go the Jenkins route, or if you want to use ...
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Is “else if” faster than “switch() case”? [duplicate]

...In which case finding out the performance difference between a switch case and an if-else block would be trivial. Edit: For clarity's sake: implement whichever design is clearer and more maintainable. Generally when faced with a huge switch-case or if-else block the solution is to use polymorphism....
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How to disable scrolling temporarily?

I'm using the scrollTo jQuery plugin and would like to know if it is somehow possible to temporarily disable scrolling on the window element through Javascript? The reason I'd like to disable scrolling is that when you scroll while scrollTo is animating, it gets really ugly ;) ...
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How to convert Linux cron jobs to “the Amazon way”?

...s their response: Tom I did a quick poll of some of my colleagues and came up empty on the cron, but after sleeping on it I realised the important step may be limited to locking. So I looked for "distributed cron job locking" and found a reference to Zookeeper, an Apache project. ...
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Function return value in PowerShell

...ere are two main ideas to wrap your head around: All output is captured, and returned The return keyword really just indicates a logical exit point Thus, the following two script blocks will do effectively the exact same thing: $a = "Hello, World" return $a   $a = "Hello, World" $a return ...
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What does the smiley face “:)” mean in CSS?

... From an article at javascriptkit.com, that's applied for IE 7 and earlier versions: if you add a non-alphanumeric character such as an asterisk (*) immediately before a property name, the property will be applied in IE and not in other browsers. Also there's a hack for <= IE 8:...
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See my work log in jira

... We are using the Timesheet Reports and Gadgets Add-On for JIRA. It's available on the Atlassian Marketplace under a BSD licence, but it's not free. On our JIRA 5.0.x server, it was accessible from the Projects tab > Summary page > Reports drop-down list...
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Android Studio: how to attach Android SDK sources?

How can I attach Android SDK sources to Android Studio? 16 Answers 16 ...