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What are transparent comparators?
...ast, works for std::string which has overloaded less than operators taking char const* as argument. Since these function objects are also new, even if they do the wrong thing (i.e. require a conversion for some type) it would, at least, not be a silent change resulting in a performance degradation.
...
How can you strip non-ASCII characters from a string? (in C#)
How can you strip non-ASCII characters from a string? (in C#)
11 Answers
11
...
How to make a flat list out of list of lists?
...ssentially a wrapper around timeit), and found
functools.reduce(operator.iconcat, a, [])
to be the fastest solution, both when many small lists and few long lists are concatenated. (operator.iadd is equally fast.)
Code to reproduce the plot:
import functools
import itertools
import numpy
...
Serializing object that contains cyclic object value
...
if (stack.includes(obj))
return null;
let s = stack.concat([obj]);
return Array.isArray(obj)
? obj.map(x => decycle(x, s))
: Object.fromEntries(
Object.entries(obj)
.map(([k, v]) => [k, decycle(v, s)]));
}
//
...
In-Place Radix Sort
...though.
Btw: If you're dealing with DNA strings only: You can compress a char into two bits and pack your data quite a lot. This will cut down the memory requirement by factor four over a naiive representation. Addressing becomes more complex, but the ALU of your CPU has lots of time to spend duri...
How to count the number of set bits in a 32-bit integer?
...numeric_limits<T>::radix == 2, "non-binary type");
// sizeof(x)*CHAR_BIT
constexpr int bitwidth = std::numeric_limits<T>::digits + std::numeric_limits<T>::is_signed;
// std::bitset constructor was only unsigned long before C++11. Beware if porting to C++03
static_...
Get the generated SQL statement from a SqlCommand object?
... = "";
switch (sp.SqlDbType)
{
case SqlDbType.Char:
case SqlDbType.NChar:
case SqlDbType.NText:
case SqlDbType.NVarChar:
case SqlDbType.Text:
case SqlDbType.Time:
case SqlDbType.VarChar:
...
Is there a method for String conversion to Title Case?
...StringBuilder(input.length());
boolean nextTitleCase = true;
for (char c : input.toCharArray()) {
if (Character.isSpaceChar(c)) {
nextTitleCase = true;
} else if (nextTitleCase) {
c = Character.toTitleCase(c);
nextTitleCase = false;
...
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};)[.-...
Add custom messages in assert?
... Msg)
#else
# define M_Assert(Expr, Msg) ;
#endif
void __M_Assert(const char* expr_str, bool expr, const char* file, int line, const char* msg)
{
if (!expr)
{
std::cerr << "Assert failed:\t" << msg << "\n"
<< "Expected:\t" << expr_str <...