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In C# check that filename is *possibly* valid (not that it exists) [duplicate]
... You can add a check for your filename containing any of the characters in the array returned by char[] badChars = Path.GetInvalidFileNameChars();
– Jon Dosmann
Feb 12 '15 at 18:27
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Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
...tern ^([^-]+)-([^.]+) means: from the start of the name, capture 1 or more chars that are NOT -, then expect a dash, then capture 1 or more chars that are not .. $1 is the first capture, $2 is the second.
– erich2k8
Apr 18 '19 at 15:53
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How to check if a string “StartsWith” another string?
... @cobbal Maybe. But .lastIndexOf(input, 0) compares the first N chars, whereas .substring(0, input.length) === input counts N, substrings the data to N length, and then compares those N chars. Unless there is code optimization, this second version cannot be faster than the other. Don't ge...
Custom HTTP headers : naming conventions
...ed in section 2.2, 'Basic Rules'. Token is:
token = 1*<any CHAR except CTLs or separators>
In turn resting on CHAR, CTL and separators:
CHAR = <any US-ASCII character (octets 0 - 127)>
CTL = <any US-ASCII control character
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Convert a Scala list to a tuple?
... hence known at compile time. For example, (1,'a',true) has the type (Int, Char, Boolean), which is sugar for Tuple3[Int, Char, Boolean]. The reason tuples have this restriction is that they need to be able to handle a non-homogeneous types.
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How do you change the server header returned by nginx?
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## vi src/http/ngx_http_header_filter_module.c (lines 48 and 49)
static char ngx_http_server_string[] = "Server: MyDomain.com" CRLF;
static char ngx_http_server_full_string[] = "Server: MyDomain.com" CRLF;
March 2011 edit: Props to Flavius below for pointing out a new option, replacing Nginx's ...
Regex to validate password strength
... wonder why not using quantifiers? At least 1 special, 1 number, 1 special char, 8 character: ^(?=.*([A-Z]){1,})(?=.*[!@#$&*]{1,})(?=.*[0-9]{1,})(?=.*[a-z]{1,}).{8,100}$
– RockOnGom
Oct 15 '18 at 7:48
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C++ Dynamic Shared Library on Linux
...ostream>
#include "myclass.h"
using namespace std;
int main(int argc, char **argv)
{
/* on Linux, use "./myclass.so" */
void* handle = dlopen("myclass.so", RTLD_LAZY);
MyClass* (*create)();
void (*destroy)(MyClass*);
create = (MyClass* (*)())dlsym(handle, "create_object");
destroy...
Convert a byte array to integer in Java and vice versa
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Not a solution for 3 byte stride. We can get Char, Short, Int. I suppose I could pad to 4 bytes and discard the 4th each time, but I would rather not.
– John
Jun 13 at 7:31
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How can I strip all punctuation from a string in JavaScript using regex?
If I have a string with any type of non-alphanumeric character in it:
13 Answers
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