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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...
How do you install Boost on MacOS?
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What about doing brew install boost boost-python?
– ilciavo
Jan 6 '15 at 17:16
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Using getopts to process long and short command line options
...er options.
BSD UNIX implementation of standalone getopt command (which is what MacOS uses). This does not support long options either.
GNU implementation of standalone getopt. GNU getopt(3) (used by the command-line getopt(1) on Linux) supports parsing long options.
Some other answers show a...
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 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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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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How do I obtain a Query Execution Plan in SQL Server?
...SHOWPLAN options
This method is very similar to method 1 (in fact this is what SQL Server Management Studio does internally), however I have included it for completeness or if you don't have SQL Server Management Studio available.
Before you run your query, run one of the following statements. Th...
navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't
...ou want the user to wait no more than 10 seconds before giving them a clue what is happening, use:
navigator.geolocation.getCurrentPosition(successCallback,errorCallback,{timeout:10000});
Secondly, I have experienced quite different reliability in different contexts. Here at home, I get a callbac...