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by emcp
my thrift server suddenly not working
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| I have a C++ based Thrift Server coupled with a Python Client (v0.16.0) : https://github.com/apache/thrift Recently I dusted off the project and started updat... |
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Aug 18, 2022 at 8:17am
[6 replies] Last: I think my next goal is to learn to use gdb so I can see what is exac... (by coder777)
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by Geckoo
Structures, Classes, Parent and children... (1,2)
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| Hello. Coding some single scripts using the Main() section in order to execute the whole code, now I am trying to understand how I should "cut" my code so as to... |
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Aug 17, 2022 at 6:32pm
[20 replies] Last: ah, good point. I forgot the protected part, so its not the same as d... (by jonnin)
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by learner999
Slicing a given row from a 2D matrix?
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| Hello fellows, I am trying to slice any given row from 2D matrix. I receive the errors Error C3867 'std::vector<double,std::allocator<_Ty>>::size': non-stand... |
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Aug 17, 2022 at 3:18pm
[4 replies] Last: What is the OP's definition of "matrix," and what is the definition of... (by deleted account xyzzy)
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by JamieAl
Error in function: no instance of overloaded function matches the argument list
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| I have a script that is working fine, but when I try to write a function with the same script I get the error "no instance of overloaded function "aapx" matches... |
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Aug 17, 2022 at 12:16am
[16 replies] Last: Thanks a lot!! This actually was one of the source of my issues! (by JamieAl)
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by learner999
What's wrong in the reading the file
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| Hello fellows. In the following code I am trying to read a file for some mathematical operations. DoOneFile function reads the file and when I uncomment "cout..... |
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Aug 16, 2022 at 9:32am
[5 replies] Last: Given the format of the provided file, this will read the data into th... (by seeplus)
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by Geckoo
goto jump (1,2)
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| Hello fellows. I remember my first attempts to code something on a personal computer - my old ZX-81. I remember some syntax which allowed me to execute parts of... |
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Aug 15, 2022 at 4:20am
[23 replies] Last: I like that first sentence of the first paragraph in the Introduction ... (by deleted account xyzzy)
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| better way to write this if condition? |
| like the title says and any resource on reducing repetitive code is appreciated. if ( n1 > 0 && n1 < 1001 && n2 > 0 && n2 < 1001 && n3 > 0 && n3 < 1001 ... |
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Aug 14, 2022 at 10:13am
[18 replies] Last: With (x >= 1) it checks x>1 before x=1? The compiler will generate ... (by seeplus)
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by learner999
What's wrong in my small code ?
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| In the following code, I am trying to assign the sum to the cost_temp . When I comment the line : cost_temp = h_sum + P_sum + f[Period ] the code works wel... |
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Aug 13, 2022 at 12:37pm
[10 replies] Last: Thank you so much all of you @seeplus, @JLBorges, @George P @jonnin. A... (by learner999)
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by DeezyM89
Help with c# Unity code
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| How can I make my trajectory path rebound off of a box collider with this code below? using System.Collections; using System.Collections.Generic; usin... |
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Aug 12, 2022 at 4:14pm
[4 replies] Last: As I said often here, I used Unity for a long time for GameJams like L... (by Geckoo)
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by jad123xp
how to implement this for loop that loops through a loop here better (C++)?
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| Hello, I am a beginner in C++ and I am making a simple hangman game. While making the text writer, I ran into some problems. I spent around 3 hours just on thi... |
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Aug 12, 2022 at 11:05am
[2 replies] Last: I am a beginner in C++ What resource are you using to learn C++? A... (by seeplus)
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by CodeChaser
C++ Review Questions (1,2,3,...,7,8,9,10)
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| Restarting my review question list with hopefully shorter & simpler questions that I had when reading about C++ in my book. QUESTION 1) In method DisplayConten... |
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Aug 11, 2022 at 2:21pm
[182 replies] Last: There are rare situations where a singleton class-object is actually r... (by JLBorges)
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by rudiHammad
Methods documentation style
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| Hello, I have been writing code in python for years, and I really like how the documentation of the methods go inside of the body it self. I see that in C++ th... |
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Aug 11, 2022 at 12:33pm
[7 replies] Last: yes, it can be hard to read. I have, on top of grep, 3 or 4 half page... (by jonnin)
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by Jonathan100
errors in UNDEFINED symbols code
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| Hello! When i am define symbol in eclipse-based Vitis, the code that is UNDEFINED is gray colored so it is not meant to be compiled. However i am getting er... |
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Aug 10, 2022 at 10:31pm
[4 replies] Last: If you can not change the code in question, and if that code does ... (by kigar64551)
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by learner999
Merge the mutiple 2D matrixes vertically
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| Hello fellows, I am trying to merge a few matrices that I obtained from the function MatrixObtain. The function works fine. The function MatrixObtain returns... |
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Aug 10, 2022 at 5:06pm
[1 reply] : If there is a variable named row that is in scope on line 4 you're n... (by Peter87)
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by learner999
Constructing binary tree
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| Hello everyone, I need to construct a binary tree with the 0 and 1 values based on a condition starting from root node 0. I have an array arr=[ 4 6 1] . If th... |
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Aug 10, 2022 at 3:13pm
[15 replies] Last: Thank you so much @lastchance for all your helps. I understood it bett... (by learner999)
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by rudiHammad
Check if an object has a member
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| Hello, I am trying to check if a given object has a member. For instance: #include <iostream> #include <string> #include <vector> class Animal{}... |
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Aug 10, 2022 at 8:52am
[13 replies] Last: I was referring to run-time checks - post amended. (by seeplus)
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by gabriel11
How do I properly return an object and set it to a new object?
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| Hey everyone, I'm trying to make a simple lexer that splits up a given string into tokens. As you can see below, I have a Token class, and a Lexer class. I wa... |
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Aug 9, 2022 at 6:31pm
[7 replies] Last: @seeplus Thank you so much for all the tips! (by gabriel11)
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by MHS1986
While loop combined with input fail state loop
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| I am trying to run a while loop that has a range between 0 and 6 but if you input a character the while loop exits and the program goes into a fail state. I am ... |
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Aug 8, 2022 at 6:15pm
[5 replies] Last: #include <iostream> #include <concepts> #include <string> template <... (by JLBorges)
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by d3sousa92
Decoding character positions into a message
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| Hi! I am trying to decode a text file that holds a pair of integers that represent [lineIndex, characterIndex(in that line)] and find the character with thos... |
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Aug 8, 2022 at 8:45am
[3 replies] Last: Without file2 data checking: #include <fstream> #include <vector> #... (by seeplus)
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by d3sousa92
Coding a Book Cipher C++
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| Hi, I am trying to code for a "Book Cipher". I need to write code that encodes and decodes. For encoding, I need to read a text file from the command-line and ... |
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Aug 7, 2022 at 9:21pm
[10 replies] Last: @d3sousa92, The following lines take the pairs of integers (represent... (by lastchance)
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