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String search algorithm used by string::find() c++


String search algorithm used by string::find() c++

By : user3861613
Date : November 20 2020, 07:00 PM
I think the issue was by ths following , There's no standard implementation of the C++ Standard Library, but you should be able to take a look at the implementation shipped with your compiler and see how it works yourself.
In general, most STL functions are not faster than their C counterparts, though. They're usually safer, more generalized and designed to accommodate a much broader range of circumstances than the narrow-purpose C equivalents.
code :


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is there an algorithm to find out which words in a search-string belong together?

is there an algorithm to find out which words in a search-string belong together?


By : user2292982
Date : March 29 2020, 07:55 AM
seems to work fine Don't care, just perform full-text search. Then you should check the result items for which field contains the search terms. Also, you may display items in separate lists (terms found int name, term found in address). The only difficulty is if John Smith is living in the John Smiht street, you must decide, which list/lists the result item belongs to.
What search algorithm is used by Java to search the String pool for already present Strings for String interning?

What search algorithm is used by Java to search the String pool for already present Strings for String interning?


By : Manya Gumashta
Date : March 29 2020, 07:55 AM
it fixes the issue The implementation of String pool is done in native language i.e. c/c++ using Java Native Interface (JNI) and shared libraries
You can read how to do this here
String manipulation algorithm to find string greater than original string

String manipulation algorithm to find string greater than original string


By : Kaylee Jane Rhodes
Date : March 29 2020, 07:55 AM
With these it helps You can try something like this:
iterate the characters in the string in reverse order keep track of the characters you've already seen, and where you saw them if you've seen a character larger than the curent character, swap it with the smallest larger character sort all the characters after the that position to get the minimum string
code :
def next_word(word):
    word = list(word)
    seen = {}
    for i in range(len(word)-1, -1, -1):
        if any(x > word[i] for x in seen):
            x = min(x for x in seen if x > word[i])
            word[i], word[seen[x]] = word[seen[x]], word[i]
            return ''.join(word[:i+1] + sorted(word[i+1:]))
        if word[i] not in seen:
            seen[word[i]] = i

for word in ["hefg", "dhck", "dkhc", "fedcbabcd"]:
    print(word, next_word(word))
hefg hegf
dhck dhkc
dkhc hcdk
fedcbabcd fedcbabdc
How can I conduct a search, using a partial string, to search a list of objects with string parameters and find the obje

How can I conduct a search, using a partial string, to search a list of objects with string parameters and find the obje


By : IronRat
Date : March 29 2020, 07:55 AM
this will help You may need to implement the function __eq__ for the product class, according to the docs
code :
class Foo:
    def __init__(self, a):
        self.a = a

class Bar:
    def __init__(self, a):
        self.a = a

    def __eq__(self, other):
        return self.a == other.a
f1 = Foo(5)
f2 = Foo(5)
print("f1 == f2", f1 == f2)
fl = [f1,f2]
f3 = Foo(5)
print("f3 in fl", f3 in fl)

g1 = Bar(5)
g2 = Bar(5)
print("g1 == g2",g1 == g2)
gl = [g1,g2]
g3 = Bar(5)
print("g3 in gl", g3 in gl)
f1 == f2 False
f3 in fl False
g1 == g2 True
g3 in gl True
How to search with LINQ entites having string[] array properties and find these containing any of string from string[] a

How to search with LINQ entites having string[] array properties and find these containing any of string from string[] a


By : tzi0
Date : March 29 2020, 07:55 AM
it fixes the issue If I make a list similar at your DB protocol Than this codes work for me.
code :
using System.Collections.Generic;
using System.Linq;

namespace ConsoleApp2
{
    class BuilderClass
    {
        List<BasketModel> baskets;

        public BuilderClass()
        {
            baskets = new List<BasketModel>() 
            { new BasketModel { FruitType = new string[] { "Apple", "Grapefruit", "Pineaple", "Bing Cherry", "Cantaloupe" } },
              new BasketModel { FruitType = new string[] { "Grapefruit", "Cantaloupe", "Pineaple", "Boysenberries", "Apple" } },
              new BasketModel { FruitType = new string[] { "Clementine", "Bing Cherry", "Boysenberries", "Cantaloupe", "Entawak" } },
              new BasketModel { FruitType = new string[] { "Entawak", "Grapefruit", "Apple", "Pineaple", "Cantaloupe" } },
              new BasketModel { FruitType = new string[] { "Apple", "Pineaple", "Bing Cherry", "Entawak", "Grapefruit" } }
            };
        }

        string[] BasketSearchedFruitTypes = new string[]
        { "Apple", "Grapefruit", "Pineaple" };

        public void check()
        {
            var qbaskets = baskets.AsQueryable();
            if (BasketSearchedFruitTypes != null && BasketSearchedFruitTypes.Length != 0)
            {
                var result = qbaskets.Where(data => BasketSearchedFruitTypes.Any(x => data.FruitType.Contains(x))).ToList();
                // result have list with count of 4
            }
        }
    }

    class BasketModel
    {
        public string[] FruitType { get; set; }
    }
}
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