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Difference between Lookup() and Dictionary(Of list())
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Jon SkeetJon Skeet
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Maven is not working in Java 8 when Javadoc tags are incomplete
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+50
The best solution would be to fix the javadoc errors. If for some reason that is not possible (ie: auto generated source code) then yo...
vim command to restructure/force text to 80 columns
...tomatically set the width of text in vim using set textwidth (like Vim 80 column layout concerns ). What I am looking for is something similar to = (the indent line command) but to wrap to 80. The use case is sometimes you edit text with textwidth and after joining lines or deleting/adding text...
What does @synchronized() do as a singleton method in objective C?
...dit: Adding some more information that wasn't in the original answer from 2011.
The @synchronized directive prevents multiple threads from entering any region of code that is protected by a @synchronized directive referring to the same object. The object passed to the @synchronized directive is the...
How do I fix a merge conflict due to removal of a file in a branch?
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edited Mar 6 '14 at 20:23
answered Sep 4 '09 at 18:23
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Class type check in TypeScript
...t be used there anymore:
The is operator, which is new for ActionScript 3.0, allows you to test whether a variable or expression is a member of a given data type. In previous versions of ActionScript, the instanceof operator provided this functionality, but in ActionScript 3.0 the instanceof operat...
Create Django model or update if exists
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bakkalbakkal
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add a c...
How to create a unique index on a NULL column?
I am using SQL Server 2005. I want to constrain the values in a column to be unique, while allowing NULLS.
4 Answers
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vs in Generics
...iance in generic interfaces was added to C# and VB.NET (in .NET 4 with VS 2010), this was a compile time error.
After .NET 4, IEnumerable<T> was marked covariant, and became IEnumerable<out T>. Since IEnumerable<out T> only uses the elements within it, and never adds/changes them...
What does git rev-parse do?
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git rev-parse is an ancillary plumbing command primarily used for manipulation.
One common usag...