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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
... in C++11, where it is specified as containing "an implementation-defined string" (C++11 §8.4.1[dcl.fct.def.general]/8), which is not quite as useful as the specification in C. (The original proposal to add __func__ to C++ was N1642).
__FUNCTION__ is a pre-standard extension that some C compilers ...
Why is C so fast, and why aren't other languages as fast or faster? [closed]
... this post:
In Delphi I could write this:
function RemoveAllAFromB(a, b: string): string;
var
before, after :string;
begin
Result := b;
if 0 < Pos(a,b) then begin
before := Copy(b,1,Pos(a,b)-Length(a));
after := Copy(b,Pos(a,b)+Length(a),Length(b));
Result := before + after;
...
PHP: How to remove all non printable characters in a string?
...ASCII chars, you can rip out everything from 0-31 and 127-255 with this:
$string = preg_replace('/[\x00-\x1F\x7F-\xFF]/', '', $string);
It matches anything in range 0-31, 127-255 and removes it.
8 bit extended ASCII?
You fell into a Hot Tub Time Machine, and you're back in the eighties.
If yo...
Make first letter of a string upper case (with maximum performance)
...
Updated to C# 8
public static class StringExtensions
{
public static string FirstCharToUpper(this string input) =>
input switch
{
null => throw new ArgumentNullException(nameof(input)),
"" => throw new Argume...
C++ : why bool is 8 bits long?
...or booleans, in a way. I seem to remember Pascal implementing sets as bit strings. That is, for the following set:
{1, 2, 5, 7}
You might have this in memory:
01100101
You can, of course, do something similar in C / C++ if you want. (If you're keeping track of a bunch of booleans, it could ...
Fastest way to iterate over all the chars in a String
In Java, what would the fastest way to iterate over all the chars in a String, this:
8 Answers
...
How to write iOS app purely in C
...eclaration, like this:
// int UIApplicationMain (int argc, char *argv[], NSString *principalClassName, NSString *delegateClassName);
// So, we rely on the fact that for both the i386 & ARM architectures,
// the registers for parameters passed in remain the same whether or not
// you are using ...
Efficient string concatenation in C++
I heard a few people expressing worries about "+" operator in std::string and various workarounds to speed up concatenation. Are any of these really necessary? If so, what is the best way to concatenate strings in C++?
...
C++ convert hex string to signed integer
I want to convert a hex string to a 32 bit signed integer in C++.
9 Answers
9
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Converting any string into camel case
How can I convert a string into camel case using javascript regex?
33 Answers
33
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