Questions tagged [search]
This tag is for questions about search algorithms, tools, and technologies.
378
questions
7
votes
2
answers
233
views
Copy file with text replacement
I am currently learning C++. I coded a tiny program for school and I wonder if there could be issues (like bugs or security issues) with it.
Any ways to make it have weird behaviours would be very ...
- 73
2
votes
1
answer
26
views
python function for searching videos in Vimeo
https://github.com/floris-vos/vimeo_search_python
I made a small function that takes search terms as arguments and returns a dictionary with items, each holding an URL, title, duration, channel, and ...
3
votes
1
answer
238
views
`nov.el` function to search the entire `epub` ebook
nov.el does not provide an easy function to search the whole of the ebook content. Every search performed on buffer only applies to the "document" or ...
- 415
2
votes
1
answer
96
views
Swift - efficient array searching
I am trying to find a way to search an Int array (all numbers are > 0) and identify sequences where the sum of each element is a specific number. One element can ...
- 169
1
vote
0
answers
25
views
Optimizing search algorithm for guessing list of strings via function returning bool if substring is in list [duplicate]
I trying to figure out the most effective way to accomplish this task:
A function, check(), contains a list of strings. Calling the function with a string as ...
user20732586
2
votes
3
answers
148
views
Most effective search algorithm for guessing list of strings via function returning bool if substring is in list using Python
I trying to figure out the most effective way to accomplish this task:
A function, check(), contains a list of strings. Calling the function with a string as ...
- 21
6
votes
4
answers
694
views
Counting the number of patterns that exist in a particular string
I am solving this problem where the function returns the number of times a pattern is found in a said string word. It could be easily solved via ...
- 458
1
vote
2
answers
94
views
Find the newest file that contains a specific string in every subdirectory of the path using the least resources
I have a server side logs folder that contains many hundreds of logs most of which are in subdirectories according to the machine the logs have come from. The task is to extract the full path of the ...
6
votes
1
answer
118
views
Implementation and Testing of Exponential Search for scenario where we search the same array/list many times
Exponential Search is an optimization over binary search.
Conceptually, when searching for a number target in a list of numbers ...
- 414
1
vote
1
answer
130
views
Sort and search vectors by different criteria
Class
class Player {
std::string name;
int score;
int id;
};
I thought about how to write a code to sort and search vector ...
- 11
3
votes
1
answer
227
views
Algorithm Challenge: Fuzzy Search
I recently took part in an algorithm challenge to create a Fuzzy search with the following criteria:
Given a set array, create a function that receives one argument and returns a new array containing ...
1
vote
1
answer
97
views
Shorten code in search function of an inventory app
Introduction
I want to create an Inventory App in C#. I was thinking of someone who sells a few products and only needs to have a few product properties in the program to search or sort by, and then ...
- 219
0
votes
1
answer
85
views
Search Engine in PHP having new architecture
I have invented and implemented a new search engine architecture.
This search engine has been developed mainly for English Alphabet. This search engine is based on the fact that no letter in English ...
user245050
-2
votes
1
answer
258
views
Fastest string search algorithm invented by me. It is called ""Choudhary String Search Algorithm""
I have invented the fastest string search algorithm. It is called ""Choudhary String Search Algorithm (choudharyStringSearchAlgorithm)"". I have compared my algorithm with Brute ...
user245050
3
votes
2
answers
76
views
Search code that performs in-memory search
This is the code I came across in our repository. This performs search in-memory and is invoked on service layer code.
In our front end operators like EQUAL_TO and ...
- 33
1
vote
1
answer
158
views
Get Interval by specific value from List using JAVA 8
First let's introduce the problem:
I have a list like [{10,18}, {19,25}, {26,50}] and i have an input (n), when (n) inside one of objects in a list i will get this ...
- 113
1
vote
2
answers
126
views
Requiring query field to not be empty on search api
we have a RESTful API that includes an endpoint for search
apiserver/v5/search?q=[search text]
for any query, it passes it off to solr and returns the result like
...
- 113
2
votes
1
answer
58
views
Please verify Jump searching algorithm
Please verify jump searching algorithm that I have written and let me know if any bugs are present.
I have tested it from my end, but still would like to get it verified for any missing corner ...
- 121
1
vote
1
answer
2k
views
Finding nodes with 0 or 1 parents - DFS or BFS
I completed the following question but it seems a lot of space complexity.
Do you think is there a way to complete it with graph search or so?
Thanks for the comments.
Suppose we have some input data ...
- 900
0
votes
1
answer
464
views
Fastest string search algorithm
I have invented the fastest string search algorithm. Can someone prove that it is not fastest?
I am not considering worst case scenarios.
The algorithm can be found here: https://sourceforge.net/...
- 17
1
vote
1
answer
50
views
Python Prime Search Slower Optimization
I have these 2 version of code. Both are looking for all primes under a certain ceiling value.
The first is testing against the set of all odd numbers.
The second in testing against the set of all 6k-...
2
votes
1
answer
97
views
Rxjs search in Angular
I created an rxjs search for a hiring company, but I got rejected for the following reason:
-performance issue on a bigger data set.
-bugs
My question is how can I make this code better for the next ...
- 21
4
votes
1
answer
75
views
Find optimum teams given calendar availabilities
I'm designing an algorithm that creates optimum teams based on everyone's availabilities (maximizes the amount of shared availability). To this end, I've made a function that takes in a dictionary of ...
- 43
7
votes
6
answers
3k
views
C++ implementation of depth-first search
I got the C++ implementation of depth-first search (DFS) from here and made slight modifications to it. The modified code is as follows:
...
- 425
4
votes
1
answer
241
views
Indexing and searching an list of rectangles to see if they contain a point
I have a flat list of rectangles, in the following format (id, x co-ord, y co-ord, height and width):
...
- 397
2
votes
2
answers
257
views
Searching database of books
The application
I'm making a small app (currently ~500 lines) to manage and download books and other media items. Each item is uniquely identify by its ...
2
votes
0
answers
167
views
2D Array Word Search: Complexity and Optimization
🧩 Objective
Determine whether a given word is contained in a 2D Array word search.
🔎 Question
1. What are the time and space complexities of the current algorithm?
Time complexity
Linear: \$O(2(r * ...
- 239
1
vote
1
answer
186
views
Search by parts of Arabic word on JSON
I've just implemented a search box, so I can search on employee object by (name, part of the name, phone, email ...).
Ex. if the name: Moamen Abdulraouf Mansour, I can search with ( moamen | moa | ...
- 209
0
votes
2
answers
753
views
Sum of 2 numbers in an array [closed]
I have this problem to solve:
Given an integer \$z\$ and an array \$a\$ of distinct integers sorted in ascending order, find two numbers, \$x\$ and \$y\$, belonging to the array such that \$x + y = z\...
- 387
2
votes
0
answers
125
views
2
votes
1
answer
209
views
How to sort and search in JavaScript large set
The array "scores" tells the total points for each person involved in a contest. So for example:
...
- 163
1
vote
1
answer
85
views
recursive file search, C , linux
hi guys this script recursively searches for files with a certain extension and possibly in a directory passed by the terminal ....(In case no directory has been passed, search from the current one) I ...
- 19
2
votes
2
answers
91
views
Basic binary search in python
I just started learning to code during quarantine and whilst learning python, I created this program for a binary search. This is really basic so I assume that there is a way easier method. If anyone ...
- 23
2
votes
1
answer
142
views
Searching in Multidimensional Array
I was wondering about the Array built in methods in java 8. As there is no specific method other than Arrays.binarySearch. So for multidimensional array I wrote ...
- 309
2
votes
2
answers
108
views
Run dir scan as fast and efficient as possible / clean code
I'm not a very experience python programmer. But I want to make my code as fast and efficient as possible as well as write it clean and therefore got the advice to share it here. So I'm having the ...
- 161
3
votes
1
answer
60
views
Brute-force electronic component selection space search
Yesterday I hacked up a simple component selection program. An example is shown at the bottom for the application, though this can be used generally for a lot of different simple circuits I come ...
- 55.5k
1
vote
1
answer
525
views
Performance: Use plain for loops to look for (existence of) string in string array?
I timed a few ways to look for a string in a string array (with 82 elements in the example) in a case sensitive manner plus ignoring case.
I am kind of suprised, that the plain for loops are faster ...
- 445
3
votes
1
answer
509
views
Elegant Method for Sleeping with Selenium Webscraper
My goal is to scrape the no. 1 suggestion of the suggestion list on https://finance.yahoo.com for any entry. If there is no suggestion the code should write ...
- 43
4
votes
2
answers
100
views
Search engine that looks through files
For my programming class, at the start of the semester before we learned about object oriented coding, I was supposed to make a small program that searches through a bunch of files, being graded on ...
- 802
2
votes
2
answers
167
views
Searching within a data model using an array matching multiple terms
I have a standard tableview app that displays information from a data model array that uses a custom class. There is a UISearchController to filter the data.
A ...
- 226
2
votes
1
answer
69
views
Is this breadth-first search correct?
I wrote a program that is supposed to be a breadth-first search algorithm, but I'm very new to search algorithm so I don't know if my method is very effective or if there is a simpler way to do this. ...
- 29
7
votes
1
answer
227
views
Boyer Moore Horspool Search Algorithm in Go
I am practicing Go and try to implement Boyer Moore Horspool Algorithm in Go, It returns all ocurrance of a "phrase" in a given text. This code is working, but I would be pleased to have any feedback ...
- 191
3
votes
3
answers
76
views
Find a String in an Array
This program is used to get names and numbers of N person, print out the numbers of a person. Please help me improve this code.
Additional Question:
To avoid a very long name that exceeds char's ...
- 189
1
vote
1
answer
103
views
Check if is it possible to get to a point that is presented by a number [closed]
Problem description from an Iranian online course, translated with the help of Google Translate:
Tired of coding, Mehdi has gone on to his childhood games. But because he doesn't know who to play ...
- 29
4
votes
1
answer
115
views
Comparing game tree search AI algorithms in Java
(The entire project lives here.)
I have a program that benchmarks three game tree search algorithms:
Minimax,
Alpha-beta pruning,
Alpha-beta pruning with move ordering.
So here is my code:
...
- 26.5k
9
votes
4
answers
246
views
Stream text scanning
I've written some utilities to read text from streams. One of these, the ReadTo method, is to read text from a specified stream until a given text is encountered, ...
user168452
1
vote
0
answers
339
views
Fast text search in Rust
I have a large file that I want to search for text as fast as possible. There is not a memory contraint, so I am loading the entire file into memory so that I can use the rayon parallelism crate in ...
- 1,333
1
vote
1
answer
57
views
6
votes
2
answers
2k
views
Javascript - Find a deepest node in a binary tree
Problem Statement
Given the root of a binary tree, return a deepest node.
For example, in the following tree, return d.
a
/ \
b c
/
d
My ...
- 1,565
5
votes
4
answers
281
views
C-based hash matching cracker
How can I improve this hash matching program using either abstraction or search/sort algorithms?
We briefly were introduced to searching methods such as bubble sort and merge sort, but I'm not sure ...
- 53