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Learning Regular Expressions [closed]
... means it matches exactly one of the enclosed characters. You can also use ranges in character classes, so [a-c] matches either 'a' or 'b' or 'c'.
The pattern . is special: rather than matching a literal dot only, it matches any character†. It's the same conceptually as the really big character c...
Setting HTTP headers
...(h http.Handler, adapters ...Adapter) http.Handler {
for _, adapter := range adapters {
h = adapter(h)
}
return h
}
Actual middleware
func EnableCORS() Adapter {
return func(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http....
What's the fastest way to convert String to Number in JavaScript?
... @JosephGoh: When I get a chance I will extend the results to include int range overflow. Generally, if the numbers are that big you have a very special interface going on so would need to be aware of overflow. Cheers
– Gone Coding
Nov 27 '17 at 9:10
...
How to len(generator()) [duplicate]
...
Suppose we have a generator:
def gen():
for i in range(10):
yield i
We can wrap the generator, along with the known length, in an object:
import itertools
class LenGen(object):
def __init__(self,gen,length):
self.gen=gen
self.length=length
...
What is the difference between HAVING and WHERE in SQL?
..._name < 3
GROUP
BY column_name
) pointless_range_variable_required_here
WHERE column_name_tally >= 3;
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follo...
Why does i = i + i give me 0?
...1073741824 changes to
-2147483648 and one more further addition is out of range of int and turns to Zero .
#include<stdio.h>
#include<conio.h>
int main()
{
static int i = 1;
while (true){
i = i + i;
printf("\n%d",i);
_getch();
}
return 0;
}
...
How can I make a Python script standalone executable to run without ANY dependency?
...(ELF on Linux). It has been around for a few years now and supports a wide range of Python versions.
You will probably also get a performance improvement if you use it. It is recommended.
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im...
What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
...nt something without creating a new line - you can do this:
for number in range(0, 10):
print(number, end=', ')
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Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)
...hortestLength = Math.min(lista.size(),listb.size());
return IntStream.range(0,shortestLength).mapToObj( i -> {
return zipper.apply(lista.get(i), listb.get(i));
});
}
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...
C library function to perform sort
...son/sort has just two header files you can include to get access to a wide range of incredibly fast sorting routings, like so:
#define SORT_NAME int64
#define SORT_TYPE int64_t
#define SORT_CMP(x, y) ((x) - (y))
#include "sort.h"
/* You now have access to int64_quick_sort, int64_tim_sort, etc., e....