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A dependent property in a ReferentialConstraint is mapped to a store-generated column
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Doh! I had left the foreign key part of the relationship as the default given by SQL Server 2008 Management Studio, which was the primary key fields of the child table, not the column I had created to contain the foreign key ...
When to use inline function and when not to use it?
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Avoiding the cost of a function call is only half the story.
do:
use inline instead of #define
very small functions are good candidates for inline: faster code and smaller executables (more chances to stay in the code cache)
the function is small and called very often
don't:
larg...
What does the `forall` keyword in Haskell/GHC do?
...here
val :: b
val = maybe onNothin onJust mval
This code doesn't compile (syntax error) in plain Haskell 98. It requires an extension to support the forall keyword.
Basically, there are 3 different common uses for the forall keyword (or at least so it seems), and each has its own ...
Break when a value changes using the Visual Studio debugger
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FWIW, with edit and continue I prefer doing it this way: IME, conditional breakpoints are sloooow
– Mark Sowul
Oct 5 '12 at 13:27
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Traverse all the Nodes of a JSON Object Tree with JavaScript
...e to traverse a JSON object tree, but cannot find any library for that. It doesn't seem difficult but it feels like reinventing the wheel.
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Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I
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do you have any idea what the technical reason is for not allowing it? I can't find any info on this.
– jtate
Feb 15 '19 at 21:29
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How to use a decimal range() step value?
..., storage (for the package itself) etc. Depending on what the developer is doing, it may be impossible to use it.
– rbaleksandar
May 24 '17 at 13:56
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Why doesn't the JVM cache JIT compiled code?
... ...or you could just offer persistence as an option, like Oracle's JVM does -- empower advanced programmers to optimize their application's performance when and where they just know the patterns are not changing, under their responsibility. Why not?!
– Alex Martelli
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How to remove trailing whitespace of all files recursively?
...Use:
find . -type f -print0 | xargs -0 perl -pi.bak -e 's/ +$//'
if you don't want the ".bak" files generated:
find . -type f -print0 | xargs -0 perl -pi -e 's/ +$//'
as a zsh user, you can omit the call to find, and instead use:
perl -pi -e 's/ +$//' **/*
Note: To prevent destroying .git d...
Is std::vector so much slower than plain arrays?
I've always thought it's the general wisdom that std::vector is "implemented as an array," blah blah blah. Today I went down and tested it, and it seems to be not so:
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