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Remove all special characters with RegExp

...cape it with a backslash like the latter group. if you don't it will also select 0-9 which is probably undesired. share | improve this answer | follow | ...
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What is the point of Lookup?

...in those assemblies IEnumerable<Type> allTypes = sampleTypes.Select(t => t.Assembly) .SelectMany(a => a.GetTypes()); // Grouped by namespace, but indexable ILookup<string, Type> lookup = allTypes.ToLookup(t =&g...
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Reserved keywords in JavaScript

... int native new. Else, delete null public var In return for const, true, char …Finally catch byte. share | improve this answer | follow | ...
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C++: What is the size of an object of an empty class?

...aligned on a word boundary (such as an integer). For example, if you place char x; int y; inside the class, my GCC clocks it at eight bytes (since the second int must be aligned in that implementation). share | ...
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Why don't Java's +=, -=, *=, /= compound assignment operators require casting?

...57 or byte b = 100; b /= 2.5; System.out.println(b); // prints 40 or char ch = '0'; ch *= 1.1; System.out.println(ch); // prints '4' or char ch = 'A'; ch *= 1.5; System.out.println(ch); // prints 'a' share ...
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Regular expression to find URLs within a string

...w edge-cases that it doesn't handle. \b #Word cannot begin with special characters (?<![@.,%&#-]) #Protocols are optional, but take them with us if they are present (?<protocol>\w{2,10}:\/\/)? #Domains have to be of a length of 1 chars or greater ((?:\w|\&\#\d{1,5};)[.-...
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Removing colors from output

...hould probably be (m|K) or [mK], because you're not trying to match a pipe character. But that's not important right now.) If you switch that final match in your command to [mGK] or (m|G|K), you should be able to catch that extra control sequence. ./somescript | sed -r "s/\x1B\[([0-9]{1,3}(;[0-9]{...
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How exactly does the callstack work?

... pointer arithmetic. Example #include <iostream> int main() { char c = std::cin.get(); std::cout << c; } gcc.godbolt.org gives us main: pushq %rbp movq %rsp, %rbp subq $16, %rsp movl std::cin, %edi call std::basic_istream<char, std::cha...
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Scanner vs. BufferedReader

As far I know, the two most common methods of reading character-based data from a file in Java is using Scanner or BufferedReader . I also know that the BufferedReader reads files efficiently by using a buffer to avoid physical disk operations. ...
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Why does C++11 not support designated initializer lists as C99? [closed]

...urmountable problems with this approach; given: struct X { int c; char a; float b; }; What order would these functions be called in in c99: struct X foo = {.a = (char)f(), .b = g(), .c = h()}? Surprisingly, in c99: The order of evaluation of the subexpressions in any initializer i...