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What do
...= String) = a.length
}
The implicit argument evidence is supplied by the compiler, iff A is String. You can think of it as a proof that A is String--the argument itself isn't important, only knowing that it exists. [edit: well, technically it actually is important because it represents an implicit...
Exception handling in R [closed]
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Maybe this example could help: http://stackoverflow.com/a/12195574/2026975
– imriss
Jun 27 '13 at 14:12
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How can I rollback a github repository to a specific commit?
My github has 100 commits in it right now. I need to rollback the repository to commit 80, and remove all the subsequent ones.
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How to create a static library with g++?
...Do I need to create the .o and the .a? I would also like to know how can I compile a static library in and use it in other .cpp code. I have header.cpp , header.hpp . I would like to create header.a . Test the header.a in test.cpp . I am using g++ for compiling.
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How can I pass parameters to a partial view in mvc 4
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Difference between filter and filter_by in SQLAlchemy
...ng regular kwargs, like
db.users.filter_by(name='Joe')
The same can be accomplished with filter, not using kwargs, but instead using the '==' equality operator, which has been overloaded on the db.users.name object:
db.users.filter(db.users.name=='Joe')
You can also write more powerful queries u...
Why did Rails4 drop support for “assets” group in the Gemfile
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Previously the assets group existed to avoid unintended compilation-on-demand in production. As Rails 4 doesn't behave like that anymore, it made sense to remove the asset group.
This is explained in more detail in the commit that changed that. I extracted some quotes with the act...
How can I query a value in SQL Server XML column
... RoleName like '%ga%'
You can check the SQL Fiddle here: http://sqlfiddle.com/#!18/dc4d2/1/0
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Can the :not() pseudo-class have multiple arguments?
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