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SQL left join vs multiple tables on FROM line?

...ave multiple employees. Ok, so now you want to do the following: List all the companies, and include all their departments, and all their employees. Note that some companies don't have any departments yet, but make sure you include them as well. Make sure you only retrieve departments that have...
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What is ApplicationException for in .NET?

To throw exceptions, I usually use built-in exception classes, e.g. ArgumentNullException and NotSupportedException . However, sometimes I need to use a custom exception and in that case I write: ...
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log4net vs. Nlog

...se NLog. Which I'd prefer. That's based on these findings (opinions!): All 3 frameworks are capable and can do some sophisticated things. We want a quality solution, but frankly don't need ultra high performance or 60 types of event sinks. All 3 have very similar basic concepts. Each has its ow...
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Never seen before C++ for loop

...#. In my opinion it is clearer, less of a trap for new programmers, and equally efficient. As others have pointed out -- but to make my answer complete -- to make it work in C# you would need to change while(u--) to while(u-- != 0). ... or while(u-- >0) just in case u starts off negative. (OK, ...
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Placing border inside of div and not on its edge

... this does not allow styling individual border-sides, and in this case many would probably be happy with using the property outline. – Lorenz Lo Sauer Aug 10 '15 at 8:05 ...
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How to completely remove borders from HTML table

...css: table {border: none;} EDIT: As iGEL noted, this solution is officially deprecated (still works though), so if you are starting from scratch, you should go with the jnpcl's border-collapse solution. I actually quite dislike this change so far (don't work with tables that often). It makes so...
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Apache and Node.js on the Same Server

... the ProxyPass directive in the Apache httpd.conf its not too hard to pipe all requests on a particular URL to your Node.JS application. ProxyPass /node http://localhost:8000 Also, make sure the following lines are NOT commented out so you get the right proxy and submodule to reroute http request...
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Implicit type conversion rules in C++ operators

...s int. So short/char are promoted to int before the operation is done. In all your expressions the int is promoted to a float before the operation is performed. The result of the operation is a float. int + float => float + float = float int * float => float * float = float float * int =&g...
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Retaining file permissions with Git

...ere was a major distraction for me. It put me off the answer entirely, actually. (I don't have difficulty pulling repo from server.) @omid-ariyan's answer below with pre/post commit hooks was much more understandable. Later I realized that those hook scripts are doing exact same work as git-cache-...
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Does Parallel.ForEach limit the number of active threads?

...on't start 1000 threads - yes, it will limit how many threads are used. Parallel Extensions uses an appropriate number of cores, based on how many you physically have and how many are already busy. It allocates work for each core and then uses a technique called work stealing to let each thread proc...