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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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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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How can one print a size_t variable portably using the printf family?

I have a variable of type size_t , and I want to print it using printf() . What format specifier do I use to print it portably? ...
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Gitignore not working

My .gitignore file isn't working for some reason, and no amount of Googling has been able to fix it. Here is what I have: ...
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How do I find and view a TFS changeset by comment text?

With TFS I need to find a changeset by comment, and/or by developer. Maybe I'm just blind today, but I don't see a simple way in the Source Control Explorer to do this task? ...
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Git diff says subproject is dirty

I have just run a git diff, and I am getting the following output for all of my approx 10 submodules 9 Answers ...
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Can I use CASE statement in a JOIN condition?

.... From the image we can see that the relationship between sys.partitions and sys.allocation_units depends on the value of sys.allocation_units.type . So to join them together I would write something similar to this: ...
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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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LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method ca

... Just save the string to a temp variable and then use that in your expression: var strItem = item.Key.ToString(); IQueryable<entity> pages = from p in context.pages where p.Serial == strItem select p; ...