# Beginners - July 2021 (Page 3)

 by Hyung Get a value from a data My sibling ask me to find error in his coding. He want to find smallest value he get highest instead. i already try figure out. i spend 2 hour try changing his ... Jul 21, 2021 at 1:20pm UTC [8 replies] Last: but what does numeric limit do ? In the code above, it returns the ... (by seeplus)
 Domino max number of tiles An integer N is given, followed by N number of pairs of integers - the pairs represent domino tiles. Each tile can rotate (ie the first number becomes the secon... Jul 21, 2021 at 1:12pm UTC [5 replies] Last: So, like I said in my first post ... set up a container of target domi... (by lastchance)
 by kseokjk How to find the year for highest value ? I have a file that consist of 30 rows and 3 column. I have to find the highest value of the second column with the year. for example the file is like : 2012 ... Jul 21, 2021 at 9:28am UTC [11 replies] Last: for ( int year; fromFile >> year; ) { // use year } No... (by keskiverto)
 How do I continue with this question Write a function that reads all lines of the input, and print the number of lines that are exactly equal to the first line (including the first line itself). ... Jul 21, 2021 at 8:48am UTC [2 replies] Last: #include #include int main() { std::string fir... (by seeplus)
 Creating a nested for loop clipping function My old code reads a spritesheet (rows = different buttons, cols = different button states) one row at a time using for loops and divides them into individual sp... Jul 21, 2021 at 1:17am UTC [1 reply] : its not the same code... there is nothing at all like the line 14 for ... (by jonnin)
 Code loops when you try to print the entire queue Hello all, I built a program around the concept of queues, while it compiles and allows input and removal of a member, printing ( selection e) causes the pr... Jul 20, 2021 at 7:43pm UTC [6 replies] Last: Thank you so much, I understand now. (by jamiprogrammer)
 by Hyung How to fix this coding ? i have a coding that need to read from a file. i have to find the sum of 2 column from the file. the file is like this : Mon 12 5 50 Tue 20 8 13 Wed 20 2... Jul 20, 2021 at 2:38pm UTC [4 replies] Last: that is an initialization, not a subtraction. its set == to -1 this ... (by jonnin)
 by mnm71 How can I improve this code? I wrote this code but how can I improve it without using at least two while auto _Length = DataBlockCount * DataBlockLength; vector totalPacket; ... Jul 20, 2021 at 3:36am UTC [6 replies] Last: > auto _L ength = DataBlockCount * DataBlockLength; Avoid using id... (by JLBorges)
 by Dufeng The size of pointers in 64 system According to cpp reference, a pointer in 64 system is 8 bytes = 64 bits = 2 ^ 64 (https://en.cppreference.com/w/cpp/language/types). However, the address in th... Jul 20, 2021 at 1:58am UTC [10 replies] Last: > The original ideal behind C++'s allocator was to encapsulate these d... (by JLBorges)
 by Dufeng For loop behave differenly each time I am learning c++ and try to understand the object lifetime of the move constructor and copy constructor. I am using g++ 9.2.0, c++17 in vscode. I created a str... Jul 20, 2021 at 1:56am UTC [7 replies] Last: The point of @seeplus's post (I think) is that neither your copy or mo... (by mbozzi)
 adding and removing structs from a data structure I'm trying to find a data structure to which structs can be added or removed based on user input of the struct name. I thought I had found something promising i... Jul 20, 2021 at 1:48am UTC [1 reply] : > Is there a way to remove an element from the middle of a vector Loc... (by JLBorges)
 by Lacy9265 Missing class template error For this code I have to use an adjacency matrix to represent the graph. I'm having trouble in my driver.cpp file calling on the graph.h file because it says cla... Jul 19, 2021 at 3:08pm UTC [6 replies] Last: Never mind figured it out. (by Lacy9265)
 operator overloading, no acces to private members? Hallo, I am currently learning C++. But now I wrote some code to overload operatos. The first operator- is not working and returns "No access to private membe... Jul 19, 2021 at 9:28am UTC [2 replies] Last: Thanks, helped me out alot ðŸ˜Š (by maffinpower)
 by vics2021 make 3d array from another data structure I have old C/C++ code. Here is fragment unsigned char * data; unsigned long data_size; ... data_size = x * y * channels; data = (unsigned char *)mallo... Jul 19, 2021 at 6:52am UTC [8 replies] Last: Easier in Fortran: Wow! Fortran has sure changed massively since I ... (by seeplus)
 Trying to use command pattern breaks my code I'm trying to make a small game engine in SDL2 based around enum switch state machines because they make things easier to organize, interpret, and less messy. A... Jul 18, 2021 at 11:30pm UTC [3 replies] Last: I think I got the gist except for how struct user_input actually work... (by mbozzi)
 by saam undeclared identifier 'File I have got this error Use of undeclared identifier 'File'. How do i fix it ? thanks void DeckGUI::filesDropped(const juce::StringArray &files, int x, int ... Jul 18, 2021 at 8:28pm UTC [2 replies] Last: yes thanks@heios. now, Build Succeeded but I cant dragged the file int... (by saam)
 Problem with invisible textures I am having an issue with SDL2 where I want to see and use two different button textures at different times in different places using enum states. Each button i... Jul 18, 2021 at 12:09am UTC [5 replies] Last: Thank you. So, I should nest the input, or functions that call up the ... (by jhbardwell)
 by nodesc 2D Array Can't Pass As Parameter Hi, all This program is meant to create a 2d array from user input and then proceed to display this array but with the number of elements swapped with each o... Jul 17, 2021 at 5:01pm UTC [3 replies] Last: Perhaps: #include #include #include #i... (by seeplus)
 c++ searching from a text file ,when I terminate and run the program again it says no id found when I search from a text file my program finds the record in c++, but once I terminate it and run it again it does not find the record, it says no id found,I a... Jul 17, 2021 at 1:16pm UTC [6 replies] Last: As a first refactor, consider. This first reads the file (if present),... (by seeplus)
 by grackle new wannabe dev So, I think my problem is I got too much information available, and need something of a funneling point to start at. At the moment, I'm only interested in makin... Jul 17, 2021 at 12:32pm UTC [5 replies] Last: Another game-engine: https://github.com/OneLoneCoder/olcPixelGameEngin... (by thmm)
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