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Eager load polymorphic
... belongs_to :shop, you are giving ActiveRecord the information it needs to complete the join.
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Install autoreconf on OS X v10.7 (Lion)?
... brew isn't included with OSX, but you can get it here: mxcl.github.com/homebrew
– RobM
Apr 25 '12 at 11:45
I t...
How to: Define theme (style) item for custom widget
... @Michael, Yes I meant a library that developers can use. Your comment solved my issue. Thanks!
– theDazzler
Dec 9 '13 at 10:09
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Why `null >= 0 && null
...You can see the inner details of this process in the The Abstract Equality Comparison Algorithm and The Abstract Relational Comparison Algorithm.
In Summary:
Relational Comparison: if both values are not type String, ToNumber is called on both. This is the same as adding a + in front, which for ...
How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
...oing to build, say, a directory structure where a directory is named for a commit in a Git repository, and you want it to be short enough to make your eyes not bleed, but long enough that the chance of it colliding would be negligible, how much of the SHA substring is generally required?
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What does the slash mean in help() output?
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Resolving ambiguous overload on function pointer and std::function for a lambda using +
...llowing code, the first call to foo is ambiguous, and therefore fails to compile.
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Types in MySQL: BigInt(20) vs Int(20)
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See http://dev.mysql.com/doc/refman/8.0/en/numeric-types.html
INT is a four-byte signed integer.
BIGINT is an eight-byte signed integer.
They each accept no more and no fewer values than can be stored in their respective number of bytes. T...
Overloading member access operators ->, .*
...o define them for a pointer on the left-hand side, but the language design committee decided that would be more confusing than useful.
Overloading ->, ->*, ., and .* can only fill in cases where an expression would be undefined, it can never change the meaning of an expression that would be v...
Why does Go have a “goto” statement
... language specification on goto states that it may not jump over variables coming into scope (being declared), and it may not jump into other (code-)blocks.
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