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How to define a function in ghci across multiple lines?

... For guards (like your example), you can just put them all on one line and it works (guards do not care about spacing) let abs n | n >= 0 = n | otherwise = -n If you wanted to write your function with multiple definitions that pattern match on the arguments, like this: fac...
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Idiomatic way to wait for multiple callbacks in Node.js

...erations are obviously asynchronous. What is the idiomatic way to wait for all operations to finish in order to know when the temp file can be deleted? ...
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Replacements for switch statement in Python?

...erformance is an issue, so it doesn't re-build the dict on every function call – Claudiu Oct 23 '08 at 16:22 56 ...
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Can promises have multiple arguments to onFulfilled?

I'm following the spec here and I'm not sure whether it allows onFulfilled to be called with multiple arguments. For example: ...
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Efficiency of Java “Double Brace Initialization”?

...2$8.class 2009/05/27 16:35 2,022 DemoApp2$9.class These are all classes which were generated when I was making a simple application, and used copious amounts of anonymous inner classes -- each class will be compiled into a separate class file. The "double brace initialization", as al...
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error_log per Virtual Host?

... Depending on your config, you may need to manually create the log file and set the owner/group to the same user/group that Apache is using. Apache won't warn you if it can't write to the log file. – Ian Dunn Jun 24 '11 at 23:41 ...
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How can I remove the search bar and footer added by the jQuery DataTables plugin?

... You can also not draw the header or footer at all by setting sDom: http://datatables.net/usage/options#sDom 'sDom': 't' will display JUST the table, no headers or footers or anything. It's discussed some here: http://www.datatables.net/forums/discussion/2722/how-t...
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How can I generate a list or array of sequential integers in Java?

...me functionality, in particular implementing Iterable<Integer> which allows foreach implementation in the same way as List<Integer>. In older versions (somewhere before Guava 14) you could use this: ImmutableList<Integer> integerList = Ranges.closedOpen(0, 10).asSet(DiscreteDomai...
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Significant new inventions in computing since 1980

... +1 for the most obvious but also the most easily forgotten because we all take it for granted :) – PolyThinker Jan 11 '09 at 15:22 20 ...
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File system that uses tags rather than folders?

...Database File System. I know of one experimental implementation for Linux called DBFS. Microsoft started developing Windows Future Storage (WinFS) - it was planned to ship with Vista but due to technical problems the project was delayed and as far as I know finally canceled. NTFS is also capable of ...