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Is there a short cut for going back to the beginning of a file by vi editor?
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Well, you have [[ and ]] to go to the start and end of file. This works in vi.
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Difference between Role and GrantedAuthority in Spring Security
... with a naming convention that says that a role is a GrantedAuthority that starts with the prefix ROLE_. There's nothing more. A role is just a GrantedAuthority - a "permission" - a "right". You see a lot of places in spring security where the role with its ROLE_ prefix is handled specially as e.g. ...
Where are the PostgreSQL logs on macOS?
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This doesn't work if your database failed to start and you don't know where the log files are yet.
– Iain Samuel McLean Elder
Sep 26 '13 at 15:42
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.prop() vs .attr()
... value attribute in modern browsers" I didn't think it did, which is why I started to use it as an example, but when I started coding up the example, darned if it didn't get updated on Chrome, Firefox, Opera, IE... - jsbin.com/ahire4 Turns out that's because I was using an input[type="button"] for m...
What are rvalues, lvalues, xvalues, glvalues, and prvalues?
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I like the diagram here. I think it might be useful to start the answer with "Every expression belongs to exactly one of the fundamental classifications in this taxonomy: lvalue, xvalue, or prvalue." Then it's easy to use the diagram to show those three fundamental classes are c...
Function overloading by return type?
... to require that one overload be marked as "preferred"; the compiler would start by binding using only preferred overloads, and then determine if any non-preferred overloads would be an improvement. Among other things, suppose types Foo and Bar support bidirectional conversion, and a method uses ty...
How do you detect where two line segments intersect? [closed]
... For those interested, here is a simple C# implementation, taking PointF start and end coordinates for lines, that seems to be working: ideone.com/PnPJgb
– Matt
Dec 17 '12 at 0:42
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What is the equivalent of bigint in C#?
... my bigint primary key, and I get a cast error using long - that was why I started this search. The correct answer, at least in my case, is that the type returned by that select is NUMERIC which equates to a decimal type. Using a long will cause a cast exception.
This is one reason to check your ans...
Good open source django project for learning [closed]
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django-basic-apps is also a very good start to learn django and reusable apps. These apps are simple enough and code is well written.
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Batch script to delete files
...s the variable saved with your old path and goes back to the directory you started the batch with, its not important if you don't want the batch going back to its previous directory path, and like stated before the variable name can be changed to whatever you wish by changing the set olddir=%CD% lin...