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What algorithms compute directions from point A to point B on a map?
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Just addressing the triangle inequality violations, hopefully the extra factor they're optimising for is common sense. You don't necessarily want the shortest or fastest route, as it can lead to chaos and destruction. If you want your directions to prefer the major routes that are truck-fri...
How can I discover the “path” of an embedded resource?
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This will get you a string array of all the resources:
System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceNames();
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Last non-empty cell in a column
...(the 65536th row in Excel 2003, for instance) is not robust and results in extra overhead
This is what I use
when the data type is mixed: =max(MATCH(1E+306,[RANGE],1),MATCH("*",[RANGE],-1))
when it's known that the data contains only numbers: =MATCH(1E+306,[RANGE],1)
when it's known that the dat...
HTTP POST Returns Error: 417 “Expectation Failed.”
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I think I picked up an extra 10 points for getting an answer accepted in a thread that Jon Skeet posted a solution into.
– xcud
Feb 20 '09 at 5:39
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How to get the name of a function in Go?
...lect"
"runtime"
)
func foo() {
}
func GetFunctionName(i interface{}) string {
return runtime.FuncForPC(reflect.ValueOf(i).Pointer()).Name()
}
func main() {
// This will print "name: main.foo"
fmt.Println("name:", GetFunctionName(foo))
}
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C-like structures in Python
...myStruct['field2'] = 'some other values'
And the values don't have to be strings. They can be pretty much any other object.
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How do I write good/correct package __init__.py files
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__all__ is very good - it helps guide import statements without automatically importing modules
http://docs.python.org/tutorial/modules.html#importing-from-a-package
using __all__ and import * is redundant, only __all__ is nee...
Add up a column of numbers at the Unix shell
...nt(x) for x in sys.stdin))" Traceback (most recent call last): File "<string>", line 1, in <module> File "<string>", line 1, in <genexpr> ValueError: invalid literal for int() with base 10: '\n'
– don bright
Jun 28 at 1:10
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Daylight saving time and time zone best practices [closed]
...arated and treated differently (an analogy: arrays of bytes and character strings).
The issue is confusing because we speak of these types events interchangeably, and because the civil times are subject to political changes. The problem (and the need to distinguish these concepts) becomes more evi...
namespaces for enum types - best practices
...default for newly-created enums,
add further methods, like for returning a string representation of a choice.
Just note that you need to declare operator enum_type() so that C++ would know how to convert your class into underlying enum. Otherwise, you won't be able to pass the type to a switch sta...