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by levithanh425
How to organize these code?
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| Hi guys, I am planning use boost or Qt library. Not both in one compilation but both in one repository: C++ files will categorized: 1. Files related to boost... |
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Jul 27, 2019 at 7:34pm
[8 replies] Last: [quote=Niccolo]Anyone notice that @levithanh425 hasn't participated in... (by Duthomhas)
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by oyehoye6906
Word Break
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| Given a string s and a dictionary of words dict, add spaces in s to construct a sentence where each word is a valid dictionary word. Return all such possible... |
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Jul 27, 2019 at 7:32pm
[10 replies] Last: dhayden + 1 Memoization is important in this kind of problem. Afte... (by Duthomhas)
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by lll
How I put in a 2D array data from a file?
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| Greetings. I want to put the data from a file of 10 rows with 5 data each row in an 2D array of the same size (30X15) but I don't know how, I would appreciate a... |
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Jul 27, 2019 at 5:44pm
[8 replies] Last: A “segmentation fault” is the OS’s way of informing you that you... (by Duthomhas)
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by Cjigsaw
case switch
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| I'm working on an assignment and I was wondering if you can call functions in case switches? Maybe a dumb questions forgive me. I have a question about overload... |
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Jul 27, 2019 at 5:27pm
[16 replies] Last: I think you are overthinking this. Yes, post your instructions and we... (by Duthomhas)
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by just4444
{} after initialized variable
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| Write your question here. new to learning and want to understand what is the {} for after billTotal for? without it "billTotal" in the billTotal = billtotal ... |
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Jul 27, 2019 at 5:24pm
[4 replies] Last: Admittedly, one of C’s (and especially C++’s) weaknesses is the co... (by Duthomhas)
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by dkm04
Reading a config file into 2d array
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| I have a external config.txt file containing the following information. [0, 0]-41 [0, 1]-93 [0, 2]-90 [0, 3]-24 [0, 4]-70 [0, 5]-39 [0, 6]-47 [0, ... |
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Jul 27, 2019 at 4:23pm
[2 replies] Last: @dutch thank you very much, you save my day! I have been trying to sea... (by dkm04)
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by Xanadu4ever
C++ Embedded systems learning
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| Hello all, Going to try looking at using Modern C++ with embedded systems and wondered if anyone here recommended a(any) good book(s)on the topic or on-line ... |
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Jul 27, 2019 at 3:14pm
[5 replies] Last: Thank you gentlemen, RJ, I will go to that site and check it out. My... (by Xanadu4ever)
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by jsmithplus
Displaying Unicode characters on Windows, Mac and Linux?
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| If I use setlocale (see below) in the main function, it works alright taking and storing the user input and displaying it again, characters like "ů". The pr... |
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Jul 27, 2019 at 11:27am
[5 replies] Last: When I instead use setlocale(LC_ALL, "utf-8") some characters are st... (by jsmithplus)
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by jefazo92
How to use Scroll Area in Qt to print a QString array
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| Hi everyone, I am trying to understand how to use "Scroll Area" in "Containers" of Qt when designing GUIs. In my case, I have a display function which displa... |
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Jul 27, 2019 at 5:19am
[1 reply] : QScrollArea is a "widget", not a "container". I suppose it's kind of a... (by dutch)
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by jjordan33
String ordering is working, but also not.
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| Hi, I'm working on sorting a string of digits 1 - 5 until it equals 12345, one swap at a time, then printing the string after each swap. The swap I want is su... |
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Jul 27, 2019 at 12:48am
[13 replies] Last: ohhhhhhhhh. Thank you. ** edit ** I touched up my code to let it ru... (by jjordan33)
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by libi
Splitting words from string into vector
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| Was just trying to do a simple challenge problem and can't figure out why this doesn't work?? Splitting a string into a vector based on ascii value to separate ... |
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Jul 26, 2019 at 10:12pm
[2 replies] Last: @dutch ohhh yes you are absolutely right. Thank you. (by libi)
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by adrianno86
How to handle the 'C2678 binary '<' no operator found' error"
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| Hi Everyone, I'm trying to figure out a way to solve the C2678 error in my code. I'm using a map, which stores an object as the key and a vector of objects a... |
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Jul 26, 2019 at 1:46pm
[2 replies] Last: I found out, that I should either define the operator< or overload i... (by Ganado)
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by Keked10
Object Class in C++
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| I need help on how to run code with (#include "Rectangle.h") in Dev-C++ IDE. Every time I try to run the code below with Dev-C++ or online GDB, I keep getting c... |
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Jul 26, 2019 at 10:17am
[7 replies] Last: 1) Do you know what directory your Rectangle.h file is currently in? ... (by MikeyBoy)
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by highwayman
Using namespace std (1,2)
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| We all know how to use it, but how does one stop using it? using namespace std; int main(){ cout << "blah"; //stop using namespace std; howeve... |
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Jul 26, 2019 at 10:15am
[24 replies] Last: I prefer, over namespace, but sometimes std, and definitely typedef. ... (by Shibitto)
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by HEAden
Why is the name of the files affecting the structs in C++?
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| Using the below code: //h.cpp #include "main.h" #include "api/core.hpp" extern pros::Motor frontLeft; extern pros::Motor rearLeft; extern pros::Motor f... |
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Jul 26, 2019 at 9:13am
[17 replies] Last: Here is the solution: Motor_Group& leftDrive() { static Motor_Gro... (by HEAden)
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by grumblesnake
Trouble with lexicographical sorting in doubly-linked-list
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| I'm currently working my way through Programming, Principles and Practice Using C++. I'm in chapter 17, which is basically an introduction to pointers and memor... |
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Jul 25, 2019 at 6:06pm
[4 replies] Last: @Niccolo, I think I just made the mistake of not really thinking it th... (by grumblesnake)
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by joeboat
Best value in array
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| quick question, how do i get the best score, for example, after inputting 5 scores of 20, 40, 60, 80, 100, it tells me the best score is 100, before calculation... |
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Jul 25, 2019 at 8:19am
[12 replies] Last: Isn't working That is not a sufficient description of a problem. In... (by keskiverto)
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by Xanadu4ever
Actual real FLTK problem now. (1,2,3)
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| After my recent exploits... with getting FLTK (v 1.1.10) installed successfully... I think I've actually run into a real problem now. The book instructs us t... |
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Jul 25, 2019 at 3:46am
[43 replies] Last: Niccolo, You are a great help man. A real mentor after the type Stro... (by Xanadu4ever)
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by scooter28
C++ Using output file help
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| Okay, so I am asked to output something like this: The 10 random numbers are: 44 61 98 45 45 17 63 24 9 95 The average is 50.10. There are 4 numbers ab... |
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Jul 24, 2019 at 11:31pm
[14 replies] Last: So it runs now, is this the right way to do this with an array? #in... (by scooter28)
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by newbcoding
Number Array Class get highest function
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| Hello, I'm attempting to brush up on my C++ and am having issues with this program challenge. Everything was going good, but then I started having issues with m... |
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Jul 24, 2019 at 11:28pm
[4 replies] Last: Ah! I see what you're saying now. Thanks so much for clarifying that f... (by newbcoding)
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