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What is the difference between Type and Class?
...g subset of metadata describing some aspects of an object.
For example in C# you can find interfaces and classes. Both of them are types, but interface can only define some contract and can not be instantiated unlike classes.
Simply speaking class is a specialized type used to encapsulate properti...
Reminder - \r\n or \n\r?
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If you are using C# you should use Environment.NewLine, which accordingly to MSDN it is:
A string containing "\r\n" for non-Unix platforms, or a string containing "\n" for Unix platforms.
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Best way to alphanumeric check in JavaScript
...ies of String, not modifying existing functionalities. For perspective, in C# world, that would be considered as a perfectly valid usage of an extension method. Even if some day "String.isAlphaNumeric(): boolean" would be implemented by browser manufacturers, neither the signature nor action would a...
How to locate a file in Solution Explorer in Visual Studio 2010?
... called SolutionExplorer.SyncWithActiveDocument. The default shortcut for c# is Ctrl+[,S
This command will navigate to the active file in the Solution Explorer.
Also, it seems that you need to have the "Track Active Item in Solution Explorer" option turned off.
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How to insert newline in string literal?
...rst line" + Environment.NewLine + "second line";
String interpolation (in C#6 and above):
string x = $"first line{Environment.NewLine}second line";
You could also use \n everywhere, and replace:
string x = "first line\nsecond line\nthird line".Replace("\n",
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What is an ORM, how does it work, and how should I use one? [closed]
...one).
Python: the Django ORM or SQLAlchemy (My favorite ORM library ever).
C#: NHibernate or Entity Framework
If you want to try an ORM library in Web programming, you'd be better off using an entire framework stack like:
Symfony (PHP, using Propel or Doctrine).
Django (Python, using a internal ...
How do I output an ISO 8601 formatted string in JavaScript?
...compilant, and lends itself well to get stored into a database. Python and C# seem to like it.
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How do I search for an object by its ObjectId in the mongo console?
I've found this question answered for C# and Perl, but not in the native interface. I thought this would work:
12 Answers
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Troubleshooting BadImageFormatException
I have a Windows service written in C# using Visual Studio 2010 and targeting the full .NET Framework 4. When I run from a Debug build the service runs as expected. However, when I run it from a Release build I get a System.BadImageFormatException (details below). I've been searching the internet...
Match everything except for specified strings
...ly achieved with splitting the string with the regex pattern.
Examples:
c# - Regex.Split(text, @"red|green|blue") or, to get rid of empty values, Regex.Split(text, @"red|green|blue").Where(x => !string.IsNullOrEmpty(x)) (see demo)
vb.net - Regex.Split(text, "red|green|blue") or, to remove empt...