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Can an enum class be converted to the underlying type?

... I think you can use std::underlying_type to know the underlying type, and then use cast: #include <type_traits> //for std::underlying_type typedef std::underlying_type<my_fields>::type utype; utype a = static_cast<utype>(my_fields::field);...
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Find all records which have a count of an association greater than zero

...unt > ?', 1) Inflection rule for vacancy may need to be specified manually? share | improve this answer | follow | ...
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Unix command-line JSON parser? [closed]

... "bar": 2, "foo": 1 } Note: Depending on your version of python, all keys might get sorted alphabetically, which can or can not be a good thing. With python 2 it was the default to sort the keys, while in python 3.5+ they are no longer sorted automatically, but you have the option to sort ...
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Removing path and extension from filename in powershell

...ng results. strTestPath = C:\Users\DAG\Documents\Articles_2018\NTFS_File_Times_in_CMD\PathStringInfo.ps1 GetDirectoryName = C:\Users\DAG\Documents\Articles_2018\NTFS_File_Times_in_CMD GetFileName = PathStringInfo.ps1 GetExtension = .ps1 Get...
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How to configure PostgreSQL to accept all incoming connections

I've got a PostgreSQL data base that I'd like to configure to accept all incoming connections regardless of the source IP address. How can this be configured in the pg_hba.conf file? I'm using postgreSQL version 8.4. ...
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Is it possible to serialize and deserialize a class in C++?

...e it, here. The only native way to do it is to use streams. That's essentially all the Boost::serialization library does, it extends the stream method by setting up a framework to write objects to a text-like format and read them from the same format. For built-in types, or your own types with op...
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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?

The "N+1 selects problem" is generally stated as a problem in Object-Relational mapping (ORM) discussions, and I understand that it has something to do with having to make a lot of database queries for something that seems simple in the object world. ...
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How to change the URI (URL) for a remote Git repository?

... for your new origin location with: git branch -u origin/master. This will allow you to just git push instead of having to git push origin master every time. – kelorek Aug 13 '13 at 18:06 ...
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How do I measure time elapsed in Java? [duplicate]

...start() and stop() methods. Below, a very simple example: import com.jamonapi.*; ... Monitor mon=MonitorFactory.start("myFirstMonitor"); ...Code Being Timed... mon.stop(); Check out this article on www.javaperformancetunning.com for a nice introduction. Using AOP Finally, if you don't want to c...
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What is the difference between the HashMap and Map objects in Java?

...She has something she needs to do with both things and moreThings, so naturally she puts that in a common method, and she uses the same type I used on getThings/getMoreThings when defining her method: class SpecialFoo extends Foo { private void doSomething(HashMap<String, Object> t) { ...