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Generating all permutations of a given string
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Elegant, yes. But a solution that converts to a char array and swaps to generate the permutations will require much less copying and generate much less garbage. Also this algorithm fails to take repeated characters into account.
– Gene
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Accessing an array out of bounds gives no error, why?
...ou don't want to pay that price. Having said that, I've become a complete convert to std::vector's at() method, which IS checked. Using it has exxposed quite a few errors in what I thought was "correct" code.
– anon
Aug 6 '09 at 16:48
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Why are arrays of references illegal?
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An array is implicitly convertable to a pointer, and pointer-to-reference is illegal in C++
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How to access session variables from any class in ASP.NET?
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and if you want to convert to HttpSessionStateBase: HttpSessionStateBase session = new HttpSessionStateWrapper(HttpContext.Current.Session); re: stackoverflow.com/questions/5447611/…
– sobelito
Oct 26 '1...
Detecting endianness programmatically in a C++ program
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The network conversion ops can also be used to convert everything to big endian, thus solving other problems Jay may be encountering.
– Brian
Jun 16 '09 at 13:15
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Accessing MVC's model property from Javascript
...nexpected number numbers cannot have special characters, The HTML tags are converted into its entity names so that the browser doesn't mix up your values and the HTML markup.
2) Wrapping property assignment in Quotes.
var Name = '@Model.Name';
var Age = '@Model.Age';
var LoginTime = '@Model.LoginD...
Which is more preferable to use: lambda functions or nested functions ('def')?
...t Python users, but also much more concise in some circumstances. Consider converting from using non-functional to functional routine:
# Using non-functional version.
heading(math.sqrt(v.x * v.x + v.y * v.y), math.atan(v.y / v.x))
# Using lambda with functional version.
fheading(v, lambda v: mat...
How do I raise the same Exception with a custom message in Python?
....args[0] + " hello",) + err.args[1:] may work more reliably (and then just convert to a string to get the message).
– Duncan
Feb 6 '12 at 9:50
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Generate colors between red and green for a power meter?
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To directly convert to a hex color code, you might want to leverage String.format("#%06X", 0xFFFFFF & getTrafficlightColor(value));
– ngeek
May 11 '16 at 8:01
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What's the cleanest way of applying map() to a dictionary in Swift?
...ether, substituting a default value for missing elements, grouping values (converting a collection into a dictionary of arrays, keyed by the result of mapping the collection over some function), and more.
During discussion of the proposal, SE-0165, that introduced these features, I brought up this ...