Questions tagged [search]

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pokedex android search error

the code right and I re-write it more than one time and compiler without error but didn't make search public class PokedexAdapter extends RecyclerView.Adapter<PokedexAdapter.PokedexViewHolder> ...
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11 views

Why do the deepcopies in my minimax implementation (project 0b) look like they're getting altered?

The minimax function has a max function and a min function. The recursion takes place between them, where the max function calls the min function and the min, calls the max. While exploring a node, ...
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69 views

Struggling with logic on cs50 AI search

I completed CS50 intro to computer science a while back and I am starting the AI course now. I watched the lecture, and I understood how the logic worked for the maze and such, but I'm struggling on ...
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27 views

PSet3 helpers.c fails one of the checks

I'm working on the PSet3 Find problem. Here's my code for the sort and search functions: bool search(int value, int values[], int n) { if (value < 0) return false; else { ...
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215 views

intersection of a list of arrays, python

I have two arrays that have dictionaries within them (these dictionaries objects in both arrays contain identical keys): a = [{1:"a", 2:"b"},{1:"c", 2:"d"}] b = [{1:"e", 2:"f"},{1:"c", 2:"d"}] I ...
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64 views

Specify Multiple Search Conditions for SQL

this is a question about search() in pset8 Mashup. How does one select rows given multiple characteristics(for example in pseudo code, SELECT * THAT CONTAIN KEYWORDS "New Haven" AND "Connecticut" AND ...
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161 views

Search function - Pset8 - Mashup

I found the search query a little bit complicated, in the sense it can be difficult to adjust it to the user's input. For example, how do I permit the user to enter the parameters in different order ...
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1answer
291 views

pset8 2018 mashup search

I have changed nothing in the pset8 distribution code and only implemented search function and formatted configure in script.js, but no suggestion shows up from the search box 'q'. This worked ...
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1answer
361 views

2017 pset8 mashup: Slow search - how to improve search performance?

I have successfully implemented search in application.py. Though ss I was testing through the app, I noticed that every search was really slow. It's turns out that every search request was from 63KB ...
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1answer
295 views

pset8 - search function in application.py

My search function returns the correct results when I am using for example q=Cambri but when I try to search using for instance q=021 nothing is returned. In my database I have set postal_code field ...
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1answer
244 views

Search function do not work if several words entered

Both mine and stuff solutions do not work for examples like (where there is two of more words from different db fields): https://ide50-username.cs50.io/search?q=New+Haven,+Connecticut // http://pset8....
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28 views

Error with fifteen?

I am taking the Harvard ap cs5o class, and I just started the pset3's fifteen. I followed the directions to get the skeleton code from here: Problem scope After reading and following along I tried ...
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457 views

CS50 Helpers.C Find Less, No Idea What's Going On

Final Code: /** * helpers.c * * Helper functions for Problem Set 3. */ #include <cs50.h> #include "helpers.h" /** * Returns true if value is in array of n values, else false. */ bool ...
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41 views

PSET 3, there is nothing happening

My code is not working at all and I am not able to find a proper solution. UPDATE: So I just now came to know that I am not able to use ^d if needle is not found otherwise it is working. /** * ...
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345 views

pset8 search function not working like supposed to

I'm trying to implement search in pset8 so that it can narrow down searches based on whether a comma followed by a state name or symbol is included. For example, the standard search would output many ...
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129 views

Staff's solution of search doesn't pass required tests. Mine does, but works much slower

As per specifications we are given links to test return of JSON data for our search requests. But staff's solution doesn't pass them. Check, only first one returns something. http://pset8.cs50.net/...
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1answer
48 views

Check 50 for find

I have gotten most of my code to work for the search and sort, but I still have a few issues. One is i my for loop, I have it set to less than 100, though I need to make it less than log n, but I ...
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1answer
97 views

Help finding segmentation fault

In my code, I get a segmentation fault some, but not all of the times that I run it. Sometimes, it sorts the code and finds the needle, sometimes it doesn't sort correctly and ends with a segmentation ...
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1answer
45 views

cs50 pset3 binary search

im not sure if my binary search code is correct, when I try to compile it I get the following message: /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 0 has ...
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1answer
75 views

pset3 find, failing half the checks!

so currently doing pset3 & i think my sort function is all good (i've printf'd each value & it's all in the right order), but when trying to implement binary search it's failing half the tests ...
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102 views

Why my code is always returning an empty array

Here is my code for application.py pset8 search route which always returns 0 or empty array, I can't figure out why, Kindly help @app.route("/search", methods=["GET", "POST"]) def search(): """Search ...
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94 views

pset8-Search error,doesn't work when a place is a parameter

Given below is the code for search , it works fine and outputs correct json object when a postal code is then parameter but fails for places if not request.args.get("q"): raise ...
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2answers
95 views

Binary Search for helpers.c

so as the title suggests I am having some trouble with my implementation of binary search. So based on the logic shown in the lecture, I think my implementation is fine, indeed it works for the cases ...
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1answer
511 views

Pset 8 search and configure functions

templates: { suggestion: Handlebars.compile( "<div>" + "{{place_name}}, {{admin_name1}}, {{postal_code}}" + "</div>" ) } In my ...
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1answer
123 views

pset3 helpers.c (help)

:( finds 42 in {39,40,41,42} \ expected an exit code of 0, not 1 ( it meaning I missing or have a return error??? ) bool search(int value, int values[], int n) {// ...
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1answer
72 views

pset3: search (am I in the right track??)

bool search(int value, int values[], int n) //search for middle lists if (value == values [n / 2]) { return 1; } //number greater search left else if ( value > values[n / 2 ]) { search(int ...
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1answer
94 views

Pset 3 Recursive Binary Search problems - Always returns true

I have tried almost everything and edited my code a hundred times in search of an answer. It seems that whenever I run the program (find.c) the result always resolves to true. Not sure where the ...
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1answer
206 views

Query for postal code as well as place and admin name in Search route in application.py mashup

I'm almost done with pset8. Just cant find any documentation that would help me in implementing postal code search in addition to place and admin_name1 search. db.execute returns a string and so ...
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1answer
514 views

CS50 Problem Set 3 Helpers.c PROBLEMS

I have been trying to solve Pset3 search and sort - looked at all possible online forums but I cannot solve it. Please help. Where am I going wrong? Is my binary search OK? What about my bubble sort? ...
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1answer
20 views

pset3 Search - 2 equal ints not triggering if

I'm perplexed by an issue I'm having. i've got printfs in here as I was having an argument with gdb earlier on with it not stopping at breakpoints. bool search(int value, int values[], int n) { ...
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1answer
22 views

working with pset3

why isnt the compiler returning the false if the needle is not in the haystack.This is my modified code with the SESE method. /** * helpers.c * * Computer Science 50 * Problem Set 3 * * Helper ...
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2answers
603 views

Recursive binary function returns error: control reaches end of non-void function

Working on pset3 and tried to write a separate binary search function in helpers.c so I can just call it later in the main search function. Here's my code for the binary search: bool binarysearch(int ...
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1answer
120 views

Pset8 search add fulltext error

I am trying to add latitude and longitude to my search function. However, when I try to add fulltext in phpmyadmin, I receive the following error: #1283 - Column 'latitude' cannot be part of FULLTEXT ...
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80 views

Guys,my code runs perfectly right with check 50 for binary search but doesn't show right output for ./generate 1000 50 | ./find 127.Please help

bool search(int value, int values[], int n) { int middle=(int)((n-1)/2); if(n<0) { return false; } else if(values[middle]==value) { return true; } else if(...
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1answer
352 views

pset3 binary search won't find values when at end of array

As the title says, the program doesn't pass the check when 42 is the last element of the array. I've seen a related post about this issue but it did not give me enough to fix the problem. The code is ...
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1answer
222 views

pset8 search: FULLTEXT error on including longitude and latitude

If I search for 02138 in the search box of my mashup I do get a match but when I click on that match the map just go blank. Can anyone please tell me why I ma having this problem? EDIT ok have ...
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1answer
70 views

pset8 search: Which column represents State?

as per specification of pset8's search value of geo, passed into search.php as a GET parameter, meanwhile, might be a city, state, and/or postal code I am not from US so Dont know how the names of ...
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1answer
63 views

binary search code showing segmentation fault

this is my code. bool search(int value, int values[], int n) { int max = n -1; int min = 0; int mid; while(n > 0) { mid = ((min = max)/2); if(values[mid] == ...
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1answer
57 views

pset3 binary search code is not compiling

this is my code for binary search. bool binary(int key, int array[], int min, int max); bool search(int value, int values[], int n) { if( n< 0) { return false; } ...
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2answers
76 views

PSET3 Binary search not yielding results

I can't seem to figure this out. here's my code bool Binarysearch(int key, int array[], int n){ int end = n-1; int start = 0; while(start<=end){ int midpoint = (((end+start)/2)); if (...
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1answer
275 views

pset3 search: expected an exit code of 0 not 1

I keep returning an exit code of 1 instead of 0 even if I manage to find the value inside the array. I suspect something is wrong with my while loop but I can't exactly pinpoint it. Any help is ...
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1answer
421 views

PSet 8 Search Method

I have been working on Pset 8 Mashup, and have so far completed the first two parts of the eight-part assignment, but I have come to the Search part, and do not understand. Firstly, what am I ...
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1answer
32 views

pset3: linear search (strange behaviour)

My code is going through check50 okay, but when I try to check it manually it doesn't seem to be able to find the needle in the haystack. I can't figure out why that is happening that's why I'm hoping ...
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1answer
144 views

pset3: linear search problem

So I was trying to figure out what the code for the linear search function should be and I can't understand where the "false" output should be implemented. The code: bool search(int value, int ...
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1answer
306 views

pset 3 Binary search

I'm stuck on implementing the binary search function in pset3. I am trying to do the recursion method but I am stuck and have been for hours. It seemed easy enough but I am discovering that it's more ...
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2answers
135 views

I'm on pset8 testing search.php but this is the result to every url [duplicate]

I'm on pset8. I finished implementing search.php and was now testing it with the urls given but this is the result to every url
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1answer
98 views

Check50 is claiming that it's recieving an exit code of 0 rather than 1 (different scenario)

I know this question has been answered before (pset 3 "search": expected an exit code of 0, not 1), but I took a look at it, and it seems that the scenario in which the person asked the ...
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1answer
16 views

Why am I generating the following errors with this code if it says it's compiled correctly?

The code compiles, and based off what I've seen in the linear search video, this should work. Tad bit confused why with this code below this error, I'm getting this error. In function `_start': (....
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2answers
54 views

binary search pset 3 pointer to integer error

I am trying my hands on binary search. I get those pointer to integer errors :( Can sonmeone more experience give me a hand ? bool search(int value, int values[], int n) { int first=0; int last=n-1; ...
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91 views

“make all” for linear search when changing helpers.c results in “error: control may reach end of non-void function”

Here's the problem. After adding to helpers.c a linear search that will return true if the value is found (per the pset3 spec), I "make all" in the terminal to update helpers.c before testing it, but ...