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Doctrine and composite unique keys
...and thought it could use some update.
Things are actually much simpler if what you need is a Composite Primary Key. (Which, of course, guarantees uniqueness) Doctrine documentation contains some nice examples by this url: http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/tutorials/co...
How to install latest version of Node using Brew
...ce. But it mentions 'formulea' - which is just a (frankly) stupid word for what is basically it's 'library of software versions'. I can do 'brew info node' to find out what version it's going to install. It's set to 0.4.0 so I ended up installing from src anyway, but this is right. Thank you.
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Java's Interface and Haskell's type class: differences and similarities?
...a type class SomeInterface t where all of the values have the type t -> whatever (where whatever does not contain t). This is because with the kind of inheritance relationship in Java and similar languages, the method called depends on the type of object they are called on, and nothing else.
Tha...
How to vertically center content with variable height within a div?
What is the best way to vertically center the content of a div when the height of the content is variable. In my particular case, the height of the container div is fixed, but it would be great if there were a solution that would work in cases where the container has a variable height as well. Also...
Reverse a string in Java
...l throwaway StringBuilder concurrency is not a concern (and I think that's what he meant).
– xehpuk
Jan 16 '15 at 1:54
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SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”
... older version of slf4j." - So much for Maven taking care of dependencies! What a joke.
– AndroidDev
Mar 21 '14 at 17:39
185
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How to list running screen sessions?
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The command screen -list may be what you want.
See the man
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Git commit in terminal opens VIM, but can't get back to terminal
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esc key does nothing for me. What is this cryptic commands, is this 2016 or 1996? Incredible...
– oyalhi
Jan 8 '16 at 18:40
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Advantages of Antlr (versus say, lex/yacc/bison) [closed]
... easier to construct and debug. The downside is you have to deal with somewhat cryptic errors like shift-reduce and (the dreaded) reduce-reduce. These are errors that Bison catches when generating the parser, so it doesn't affect the end-user experience, but it can make the development process a b...
How can I loop through a List and grab each item?
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@awudoin What? No it doesn't.. it creates a reference on the stack.. other than that, it doesn't. A foreach doesn't clone the objects..
– Simon Whitehead
Sep 18 '13 at 4:32
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