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What is meant by Scala's path-dependent types?
...pes alone.
This might sound like dependent types, but it is more limited. For example, the type of occupied is dependent on the value of Board. Above, the last line doesn't work because the type of c2 is b2.Coordinate, while occupied's type is Set[b1.Coordinate]. Note that one can use another ident...
Visual Studio: Make view code default
Is there any way to make Visual Studio show the code of a control / form by default instead of the designer? I tend not to be a fan of the designers as they add bloat.
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Vim: How to change the highlight color for search hits and quickfix selection
...m using the desert colorscheme, which uses white text on orange background for highlighting search hits. The same pattern is used for the selected entry in the quickfix window.
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Objective-C: Extract filename from path string
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For bundles, you may want to use [[[NSBundle bundleWithPath:pref] localizedInfoDictionary] objectForKey:@"CFBundleName"] instead. displayNameAtPath includes the extension where this code returns the localized name.
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Can we convert a byte array into an InputStream in Java?
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Thanks for contributing an answer to Stack Overflow!Please be sure to answer the question. Provide details and share your research!But avoid …Asking for help, clarification, or responding to other answers.Making statements based o...
adding x and y axis labels in ggplot2
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Thanks for contributing an answer to Stack Overflow!Please be sure to answer the question. Provide details and share your research!But avoid …Asking for help, clarification, or responding to other answers.Making statements based o...
Using sed and grep/egrep to search and replace
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@DavidSchmitt: You probably want to use sed -r for extended regular expressions. At that point, the pattern will match what's used in egrep, and you may want to put it in a variable for reuse.
– bukzor
Apr 28 '12 at 17:03
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how to make svn diff show only non-whitespace line changes between two revisions
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Is that new for 1.6? SVN never use to do that. I should keep more current :)
– Dan McGrath
Nov 16 '09 at 12:02
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Qt c++ aggregate 'std::stringstream ss' has incomplete type and cannot be defined
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You probably have a forward declaration of the class, but haven't included the header:
#include <sstream>
//...
QString Stats_Manager::convertInt(int num)
{
std::stringstream ss; // <-- also note namespace qualification
ss &...
What does a double * (splat) operator do
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Ruby 2.0 introduced keyword arguments, and ** acts like *, but for keyword arguments. It returns a Hash with key / value pairs.
For this code:
def foo(a, *b, **c)
[a, b, c]
end
Here's a demo:
> foo 10
=> [10, [], {}]
> foo 10, 20, 30
=> [10, [20, 30], {}]
> foo 10, ...