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Storing JSON in database vs. having a new column for each key

...opularity, I figured it was worth an update. When this question was originally posted, MySQL had no support for JSON data types and the support in PostgreSQL was in its infancy. Since 5.7, MySQL now supports a JSON data type (in a binary storage format), and PostgreSQL JSONB has matured significant...
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Can anyone explain IEnumerable and IEnumerator to me? [closed]

...n you write code like: foreach (Foo bar in baz) { ... } it's functionally equivalent to writing: IEnumerator bat = baz.GetEnumerator(); while (bat.MoveNext()) { bar = (Foo)bat.Current ... } By "functionally equivalent," I mean that's actually what the compiler turns the code into. Yo...
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Can you configure log4net in code instead of using a config file?

...nfo; hierarchy.Configured = true; } } } And then all I had to do was replace the code where I called the XML file with the following call: //XmlConfigurator.Configure(new FileInfo("app.config")); // Not needed anymore Logger.Setup(); 1(this answer was edited into the q...
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Xcode: What is a target and scheme in plain language?

...eah the title says it :-) What do they mean in plain English language? I really don't understand the explanation on Apple's website and I need to rename my target and I'm afraid that nothing works after that.. ...
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Can I Replace Apache with Node.js?

...l suspects (Apache, MySQL, and PHP). Since the time this website was originally launched, it has evolved quite a bit and now I'd like to do fancier things with it—namely real-time notifications. From what I've read, Apache handles this poorly. I'm wondering if I can replace just Apache with Node.j...
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How do I flush the PRINT buffer in TSQL?

...show up right away...',0,1) WITH NOWAIT You shouldn't completely replace all your prints with raiserror. If you have a loop or large cursor somewhere just do it once or twice per iteration or even just every several iterations. Also: I first learned about RAISERROR at this link, which I now cons...
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What's the difference between text/xml vs application/xml for webservice response

...a nutshell (section 9.2): The registration information for text/xml is in all respects the same as that given for application/xml above (Section 9.1), except that the "Type name" is "text". share | ...
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How do you keep user.config settings across different assembly versions in .net?

Basically the problem is that each time the assembly version changes (i.e. the user installs a new version of the application) all their settings are reset the the defaults (or more accurately a new user.config file is created in a folder with a different version number as the name) ...
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Once upon a time, when > was faster than < … Wait, what?

I am reading an awesome OpenGL tutorial . It's really great, trust me. The topic I am currently at is Z-buffer. Aside from explaining what's it all about, the author mentions that we can perform custom depth tests, such as GL_LESS, GL_ALWAYS, etc. He also explains that the actual meaning of depth v...
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What, why or when it is better to choose cshtml vs aspx?

... up web forms. The difference in the handler mapping is simply a method of allowing the two to co-exist on the same server allowing both MVC applications and WebForms applications to live under a common root. This allows http://www.mydomain.com/MyMVCApplication to be valid and served with MVC rule...