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Bitwise operation and usage
...(where n is the bit number, and 0 is the least significant bit):
unsigned char a |= (1 << n);
Clear a bit:
unsigned char b &= ~(1 << n);
Toggle a bit:
unsigned char c ^= (1 << n);
Test a bit:
unsigned char e = d & (1 << n);
Take the case of your list for exampl...
What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
...0e-34
and 10e100. The LC_NUMERIC locale
determines the decimal-point
character. Do not report overflow,
underflow, or conversion errors. Use
the following collating sequence:
Lines that do not start with numbers
(all considered to be equal). NaNs
(“Not a Number” values, in IEEE...
How do I escape spaces in path for scp copy in Linux?
..., considering how many spaces it can handle with the same amount of escape characters. Thanks!
– Michael
Feb 28 '18 at 20:47
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What is the difference between const int*, const int * const, and int const *?
...ften this is seen with C-style strings where you have a pointer to a const char. You may change which string you point to but you can't change the content of these strings. This is important when the string itself is in the data segment of a program and shouldn't be changed.
bar is a constant or fi...
Generate a Hash from string in Javascript
...= 0, i, chr;
for (i = 0; i < this.length; i++) {
chr = this.charCodeAt(i);
hash = ((hash << 5) - hash) + chr;
hash |= 0; // Convert to 32bit integer
}
return hash;
}
});
Source:
http://werxltd.com/wp/2010/05/13/javascript-implementation-of-javas-string-h...
Count character occurrences in a string in C++
...
The third argument is a char type, i.e., single quote, not double quote...
– Emerson Xu
Aug 26 '16 at 2:23
2
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Highlight text similar to grep, but don't filter out text [duplicate]
... all lines, which simply isn't possible with all greps. In particular, the selected answer and your answer don't work on OSX Mountain Lion.
– willkil
Jan 29 '13 at 17:38
...
Removing carriage return and new-line from the end of a string in c#
How do I remove the carriage return character (\r) and the new line character (\n) from the end of a string?
12 Answers
...
“The given path's format is not supported.”
... object returned by Resolve-Path:
> Resolve-Path \\server\share\path | Select-Object -ExpandProperty PRoviderPath
\\server\share\path
> (Resolve-Path \\server\share\path).ProviderPath
\\server\share\path
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...
Python - use list as function parameters
...ely I am just going to add a simple but complete example.
def some_func(a_char, a_float, a_something):
print a_char
params = ['a', 3.4, None]
some_func(*params)
>> a
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