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What are the git concepts of HEAD, master, origin?
As I'm learning about git, I keep coming across the terms HEAD, master, origin, and I'm not sure what the differences are. If I understand correctly, HEAD is always equal to the latest revision? And if so, is that the latest revision of the whole repository, or of a specific branch or tag? This is s...
Declaring and initializing variables within Java switches
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Switch statements are odd in terms of scoping, basically. From section 6.3 of the JLS:
The scope of a local variable declaration in a block (§14.4) is the rest of the block in which the declaration appears, starting with its own ini...
Would it be beneficial to begin using instancetype instead of id?
...id', you get essentially no type checking at all. With instancetype, the compiler and IDE know what type of thing is being returned, and can check your code better and autocomplete better.
Only use it where it makes sense of course (i.e. a method that is returning an instance of that class); id is ...
JSON: why are forward slashes escaped?
The reason for this "escapes" me.
5 Answers
5
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How to undo another user’s checkout in TFS?
As the resident TFS admin, on occasion I am asked to undo a checkout (usually a lock) that a user has on a certain file checked into source control.
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How to pass a class type as a function parameter
...es and even have an inheritance hierarchy (that is, if class B inherits from A, then B.Type also inherits from A.Type):
class A {}
class B: A {}
class C {}
// B inherits from A
let object: A = B()
// B.Type also inherits from A.Type
let type: A.Type = B.self
// Error: 'C' is not a subtype of 'A'...
Android; Check if file exists without creating a new one
I want to check if file exists in my package folder, but I don't want to create a new one.
7 Answers
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Use a URL to link to a Google map with a marker on it
I want to link to google maps at a particular location with a marker on a particular point.
5 Answers
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List vs Set vs Bag in NHibernate
What's the difference between a list, set and bag in the NHibernate mapping file? How does each relate to .NET collections?
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How To Create Table with Identity Column
I have an existing table that I am about to blow away because I did not create it with the ID column set to be the table's Identity column.
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