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Comparing two dictionaries and checking how many (key, value) pairs are equal

...th possibly different attribute values as in the example). However, if an "extra" attribute is present is one of the dicts, json.dumps() fails with TypeError: Object of type PrettyOrderedSet is not JSON serializable Solution: use diff.to_json() and json.loads() / json.dumps() to pretty-print: im...
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Function to convert column number to letter?

... letter for a given column number. Function Col_Letter(lngCol As Long) As String Dim vArr vArr = Split(Cells(1, lngCol).Address(True, False), "$") Col_Letter = vArr(0) End Function testing code for column 100 Sub Test() MsgBox Col_Letter(100) End Sub ...
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JSON formatter in C#?

Looking for a function that will take a string of Json as input and format it with line breaks and indentations. Validation would be a bonus, but isn't necessary, and I don't need to parse it into an object or anything. ...
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How to use null in switch

...l throw a NullPointerException when i is null. * Since Java 7 you can use String in switch statements. More about switch (including example with null variable) in Oracle Docs - Switch share | impr...
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Is there a __CLASS__ macro in C++?

... extracting the information through a macro style interface. inline std::string methodName(const std::string& prettyFunction) { size_t colons = prettyFunction.find("::"); size_t begin = prettyFunction.substr(0,colons).rfind(" ") + 1; size_t end = prettyFunction.rfind("(") - begin; ...
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MAC addresses in JavaScript

... Using Java (with a signed applet) Using signed Javascript, which in FF (and Mozilla in general) gets higher privileges than normal JS (but it is fairly complicated to set up) share | improve thi...
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Calling the base constructor in C#

...: public class MyExceptionClass : Exception { public MyExceptionClass(string message, string extrainfo) : base(message) { //other stuff here } } Note that a constructor is not something that you can call anytime within a method. That's the reason you're getting errors in your ...
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Is there a Pattern Matching Utility like GREP in Windows?

...ndows 7/2008R2, optional for XP/2003/Vista/2008) which includes the select-string cmdlet for this purpose. share | improve this answer | follow | ...
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Associating enums with strings in C#

... example for a Logger: public class LogCategory { private LogCategory(string value) { Value = value; } public string Value { get; set; } public static LogCategory Trace { get { return new LogCategory("Trace"); } } public static LogCategory Debug { get { return new LogCategory(...
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What is the difference between DAO and Repository patterns?

...t exposes methods like Collection<Permission> findPermissionsForUser(String userId) User findUser(String userId) Collection<User> findUsersForPermission(Permission permission) All those are related to User (and security) and can be specified under then same DAO. This is not the case for...