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How to Select Every Row Where Column Value is NOT Distinct

I need to run a select statement that returns all rows where the value of a column is not distinct (e.g. EmailAddress). 7 A...
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Should C# methods that *can* be static be static? [closed]

... It depends. There are really 2 types of static methods: Methods that are static because they CAN be Methods that are static because they HAVE to be In a small to medium size code base you can really treat the two methods interchangeably. If yo...
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Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”

... Copying the content from the above link for quick reference: #define PEM_STRING_X509_OLD "X509 CERTIFICATE" #define PEM_STRING_X509 "CERTIFICATE" #define PEM_STRING_X509_PAIR "CERTIFICATE PAIR" #define PEM_STRING_X509_TRUSTED "TRUSTED CERTIFICATE" #define PEM_STRING_X509_REQ_OLD "NEW CERTI...
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One Activity and all other Fragments [closed]

I am thinking of implementing one screen with Activity and all other sreens with Fragments and managing all the fragments thru the activity . ...
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What does @: (at symbol colon) mean in a Makefile?

...nd nothing gets done. For example (from Linux's scripts/Makefile.clean): __clean: $(subdir-ymn) ifneq ($(strip $(__clean-files)),) +$(call cmd,clean) endif ifneq ($(strip $(__clean-dirs)),) +$(call cmd,cleandir) endif ifneq ($(strip $(clean-rule)),) +$(clean-rule) endif @: ...
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namespaces for enum types - best practices

...would not be guaranteed that two distinct enums don't both think they are called eFeelings For simpler-looking code, I use a struct, as you presumably want the contents to be public. If you're doing any of these practices, you are ahead of the curve and probably don't need to scrutinize this furth...
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Where is array's length property defined?

...uage itself. 10.7. Array Members The members of an array type are all of the following: The public final field length, which contains the number of components of the array. length may be positive or zero. The public method clone, which overrides the method of the same name in clas...
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How can I make a JPA OneToOne relation lazy

...ok 10 seconds even if there only were two object in the database to fetch. All OneToMany and ManyToMany relations were lazy so that wasn't the problem. When inspecting the actual SQL being executed, I noticed that there were over 80 joins in the query. ...
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How to enter a multi-line command

...me However, this is only ever necessary in such cases as shown above. Usually you get automatic line continuation when a command cannot syntactically be complete at that point. This includes starting a new pipeline element: Get-ChildItem | Select Name,Length will work without problems since a...
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Why does one use dependency injection?

...e virtual functions and interfaces (although I do once in a blue moon) and all my configuration is magically serialized into a class using json.net (sometimes using an XML serializer). ...