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by CoolAvocado
How to use graphic.h
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| I need to know a code about graphic.h pls tell me what to do tnx, Anddd my classmate said that i need a software or something to e able to use graphic.h i... |
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May 27, 2019 at 11:13pm
[17 replies] Last: ARgggggggggg i wishhhhhhhhhh i learnnnnnnnnnn lot of stuff btw thanks... (by CoolAvocado)
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by hixtus
Union-Find Algorithm (Finding Cycle) Without Using Malloc
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| Hello! I've been advised that using malloc in a c++ program shouldn't be done. How can I convert this to a non-malloc code? Thank you! https://www.geeksfo... |
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May 27, 2019 at 9:59pm
[3 replies] Last: That code looks like plain C rather than C++. Step 1 is to understan... (by keskiverto)
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by Qikee
How to read from file (const problem)
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| Hello. today I tried using std::map and std::isalnum and I ran into a problem where I do not know how to get text input from a file , tried using string but it ... |
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May 27, 2019 at 8:47pm
[2 replies] Last: Thank you very much ! (by Qikee)
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by xueyangwu
Output of char
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| Why does std::cout automatically convert the char variable I defined into the corresponding int from ASCII table? For example, in the code below, variable test ... |
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May 27, 2019 at 3:00pm
[6 replies] Last: int(test) creates a temporary int, +test promotes a char variable,... (by deleted account xyzzy)
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by lutein
Template class Matrix multiplication with operator overloading (Absolute Beginner)
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| After adding a matrix addition, now I am adding matrix multiplication. But It seems to be far difficult than addition. To sum up my question 1.How can I ... |
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May 27, 2019 at 11:28am
[3 replies] Last: @keskiverto, coder777 Thank you for answering the question. my matrix... (by lutein)
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by aligh
Error in STL Random Generator program
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| I'm trying out the random generation facilities of STL. The following code produces a histogram for a normal distribution for 30 rows over 200 tries. It works,... |
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May 27, 2019 at 10:56am
[4 replies] Last: Thank you so much! (by aligh)
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by mpg
Recursion problem with string (1,2)
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| Can you help me with these two problems with recursion? 1) I have a string : define the dimension 2) I have a string and a character: find the first position of... |
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May 27, 2019 at 8:39am
[23 replies] Last: std::string is an object that stores text, most likely in an array of ... (by keskiverto)
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by kenken
Recursion Help
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| I am trying to write a power function using recursion but having some issues. Any help would be greatly appreciated. #include <iostream> #include <cmat... |
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May 27, 2019 at 4:12am
[4 replies] Last: #include <iostream> #include <cmath> double power( int base, int ex... (by JLBorges)
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by sturk
Issue with scale function in class square
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| I've been trying to implement the void scale function in class square but still did not managed to get it. The scale function and radius function is required to... |
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May 26, 2019 at 10:03pm
[4 replies] Last: Playpro10, can you post the text of the assignment. It will help great... (by dhayden)
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by broon
Can't seem to ever get the right movement function for 2048
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| Exactly as title says, can't seem to do it. Here is my code, if you want to try to help. I deleted my old movement function. Forgive me for my names. ... |
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May 26, 2019 at 7:35pm
[3 replies] Last: So... my deleted code wasn't entirely deleted for no reason. I had to ... (by broon)
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by aligh
to reference or not to reference in function return type
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| I have the following class: class Person { public: Person(const string & name, int age): name{name}, age{age} {}; const string & getName() const... |
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May 26, 2019 at 6:09pm
[6 replies] Last: Yes, sure! Your explanation and the code snippet helped me think about... (by aligh)
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by lutein
Question about Template class operator overloading (Absolute Beginner)
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| Here is my source code. It's a simple matrix class I want to implement + operator overloading for matrix addition. But this code is not work. I have no idea ... |
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May 26, 2019 at 4:14pm
[2 replies] Last: Thank you very much!, JLBorges. I will try to understand that code. Th... (by lutein)
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by pnthoai123
add list using pointer
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| everything is fine, but when I add new node to list, the head and the tail both take that node and remove the old, why? #include <stdlib.h> #include <str... |
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May 26, 2019 at 1:45pm
[1 reply] : [quote=pnthoai123]everything is fine That's what the watchman on the ... (by lastchance)
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by aligh
code compilation error using thread and mutex
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| I'm trying to learn the basics of threads, mutex and function objects. Here's my test code trying to output "Hello" and "World" by two different threads every s... |
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May 26, 2019 at 1:14pm
[2 replies] Last: Thank you @Repeater! Works perfectly. (by aligh)
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by GSid
Bitwise operations
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| hi all i am having trouble with a problem which requires me to set a number to the bottom 4 bits and use the top four bits to count the number of iterations ... |
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May 26, 2019 at 4:19am
[4 replies] Last: combined = (counter << 4) | tL.q; gotta pay attention. Good luck! (by Duthomhas)
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by sparki
Compilation error
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| I am getting a compilation error which I can't resolve on my own. Don't really know what to change really. Been stuck on this. Need your expertise on this pleas... |
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May 26, 2019 at 3:22am
[4 replies] Last: when you do `polygon ' you get a PointType `PointType' does not have a... (by ne555)
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by doodoohead01
Valid Operations with Arrays
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| I'm on the part which shows valid operations with arrays, and this one is confusing me. What is the purpose of the nested bracket on the first part. What specif... |
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May 26, 2019 at 2:51am
[10 replies] Last: Ah, the tutorial. http://www.cplusplus.com/doc/tutorial/arrays/#access... (by Duthomhas)
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by danik550
For loop help
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| So this may be a very dumb question but I want to make that 650.0f go down by 490 everytime it loops. On first loop it being 650, second loop 160, third -330 an... |
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May 25, 2019 at 11:49pm
[5 replies] Last: Ah never mind, I just took the float value = 650.0; out of the loop s... (by zapshe)
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by sparki
Class constructor compilation error
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| I am receiving a compilation error which I am quite vexed about at this point for my polygon constructor(Refer below). I would appreciate if anyone could help m... |
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May 25, 2019 at 6:44pm
[1 reply] : new Polygon::PointType ; This is an attempt to create an an array ... (by Repeater)
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by sturk
C++ cannot call member function w/o object
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| Hi, I am getting a compilation error saying "cannot call member function ‘void Point::PointType(float, float)’ without object." I've tried adjusting the con... |
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May 25, 2019 at 2:51pm
[12 replies] Last: You still haven't explained what this code is trying to do. It's very... (by dhayden)
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