please wait
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by lynn22
How do i write the code for balanced array...URGENT please
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| An array with an odd number of elements is said to be balanced if all elements (except the middle one) are strictly greater than the value of the middle element... |
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Apr 30, 2021 at 10:06pm
[13 replies] Last: To be honest, I have no idea. He says it works, though. I have sugge... (by JRManx)
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by steball
Using CImg to creat 3D object and export to .stl file
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| I have a 15 year old boy that got a job last summer so that he could buy himself a 3d-printer. He just recently got his second, with conveyor belt. My 12 b... |
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Apr 30, 2021 at 7:49pm
[1 reply] : Funny, there was just another thread talking about stl files as well. ... (by Ganado)
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by wk10dn29
having trouble with my hw for stl file
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| * separate compilation Cube.hh Cube.cc Cylinder.hh Cylinder.cc optional: Sphere.hh Sphere.cc Drawing.cc Drawing.hh */ #include "Cube.hh" #include "C... |
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Apr 30, 2021 at 5:01pm
[6 replies] Last: Forgot to give a reply earlier. I'm kind of just winging this, but you... (by Ganado)
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by coldscooter
Including/using <regex> will not run on some machines?
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| I am creating a dll which gets loaded by a game engine. It runs fine on my dev machine, however does not on a secondary machine (it will not bind when the engi... |
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Apr 30, 2021 at 4:19pm
[2 replies] Last: Unfortunately I don't get to see any error message, as I only have the... (by coldscooter)
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by sergelac
thread_local std::vector error
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| C++ Builder XE4 this code give the error E2461 'TempOptions' requires run-time initialization/finalization static __thread std::vector <int> TempOptions; ... |
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Apr 30, 2021 at 1:48am
[3 replies] Last: C++ Builder even if it is the latest version (XE4 is from 2013) isn't ... (by deleted account xyzzy)
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| Greedy algorithm to fill 2d array |
| Hello, can someone help me with the following problem: Is there a way to write a greedy algorithm that fills a 2d array with numbers? Array array is empty (... |
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Apr 29, 2021 at 7:26pm
[10 replies] Last: Well here were are, 11 messages into the thread and the OP still won't... (by dhayden)
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by onetwo12
split string S
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| How can I split string S into substring S ? Also substring S should set some number a . Should I use strtok to split the string? |
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Apr 29, 2021 at 5:14pm
[13 replies] Last: cut one segment into two and pay for this a price equal to its length ... (by jonnin)
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by juicypwner
Converting struct to class? xxx is private within this context
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| Not sure how to alleviate this issue (see title). I went ahead and was in the process (not finished I assume due to the error) of revamping a program that used ... |
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Apr 28, 2021 at 8:38pm
[3 replies] Last: If the 0-arg Product constructor must be private, then don't call it. ... (by Ganado)
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by bassel27
How to access instance variable value?
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| I created n objects from the Stock class and assigned a value for the integer instance variable expectancy. This value is different for each object (stock). I w... |
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Apr 28, 2021 at 7:40pm
[6 replies] Last: vector<Stock> shares( n ); ... ... sort( shares.begin(), shares.end()... (by lastchance)
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by CVRIV
Having trouble comparing \r and \n from a text file.
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| I'm having the weirdest issue. I'm trying to count characters in a text file, while excluding \r and \n. I opened the file in binary mode. If I use Char == ... |
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Apr 28, 2021 at 2:03pm
[2 replies] Last: Yea.... I figured this out hours ago. I should of deleted this thread ... (by CVRIV)
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by phazed99
Nested class/Double-linked list confusion
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| Hi everyone, we were provided all the following code and told to write the addLongInt() function. We are supposed to be adding numbers using a double-linked lis... |
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Apr 28, 2021 at 9:25am
[7 replies] Last: There is still a lot I have to learn. Compare your approach to my c... (by seeplus)
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| Do custom allocator apply just to containers, and how do i apply them to any memory allocation |
| https://en.cppreference.com/w/cpp/named_req/Allocator I am referring to this ^^^^ kinds of custom of memory allocator (if there is a different kind of alloca... |
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Apr 27, 2021 at 4:59pm
[6 replies] Last: There's no point in aligning the vector. (by mbozzi)
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by ainsley1006
Log File Wrap Over Failing
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| Hi All, I'm having an issue with my app at midnight when it's meant to start writing to a new log file. I've created this demo app (spooling a new file every m... |
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Apr 26, 2021 at 6:07pm
[6 replies] Last: GCC, for instance, will only warn on shadowing if you explicitly enab... (by MikeyBoy)
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by mjjm1442
destructor called after calling constructor
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| By looking at the example: #include <iostream> int wow=0; class Foo{ int cow = 0; public: Foo(){ std::cout << "Foo +\n"; cow = 0; ++wow; } ... |
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Apr 26, 2021 at 3:16pm
[7 replies] Last: Okay I already get it. Thanks for your help. (by mjjm1442)
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by brharding1
Array of Structures Memory Issue
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| In my main function, I create an array of structures which stores cache information i.e. dirty bit (bool), valid bit (bool), tag (string), data (string), and ag... |
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Apr 26, 2021 at 2:40pm
[2 replies] Last: It would help to see the code that's calling the function. How certai... (by MikeyBoy)
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| should i use static constexpr instead #define () and naming convection (1,2) |
| in good old c we used to just have #define SOME_GLOB_CONSTANT 5 but now days we also have const int SOME_LOCAL_CONST = 5; class class_name { ... stati... |
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Apr 26, 2021 at 11:02am
[30 replies] Last: Experimenting is fine. There's lots of existing code that uses macros ... (by seeplus)
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by Sunnycoder
for loop question
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| hi , so this is the question just very confused how to start and end , also please explain me what every line does thank you input 2 output # #**# (What I h... |
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Apr 26, 2021 at 8:09am
[7 replies] Last: try to break it down into something simpler that is easy to do. This... (by keskiverto)
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by RicoJ
"Empty" std::thread is not moved properly?
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| Here by "empty std::thread" means a std::thread object with "no thread of execution" According to cpp reference, that alose means "a new thread object which do... |
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Apr 26, 2021 at 4:37am
[3 replies] Last: Hi guys, What is the point of your code? Why are you trying to mov... (by RicoJ)
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by Darth Nzt42
configuring compilers
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| I've installed Codeblocks and tried to configure the mingw compiler that I downloaded.. But codeblocks can't find it. Is there any IDE available that doesn'... |
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Apr 26, 2021 at 12:48am
[2 replies] Last: There is a C::B download that has a C/C++ compiler already set up for ... (by deleted account xyzzy)
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| std::priority_queue<std::vector> how to reserve space in the internal vector container |
| I am trying to performance optimize some code and I want to observe the effect of reserving space on queue I have a priority queue (https://en.cppreference.com... |
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Apr 25, 2021 at 10:33pm
[4 replies] Last: I ended up going with boost::heap::priority_queue which (at least for ... (by Kallinteris Andreas)
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