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TUTORIALS

C++ Language: Learn this versatile and powerful programming language. Includes
detailed explanations of pointers, functions, classes and templates, among
others...


REFERENCE

Description of the most important classes, functions and objects of the Standard
Language Library, with descriptive fully-functional short programs as examples.
Browse the C++ Reference


ARTICLES

User-contributed articles, organized into different categories.
You can contribute your own articles!
Browse Articles


LATEST FORUM ACTIVITY:

by SubZeroWins
C++ Questions (1,2,3,4)   [Beginners]
 
1) Why does "&myChar " act differently in 2 different contexts? [code] char*
pointer = &myChar[0]; //ALSO WORKS!!! [/code] Above, it actually return th...
Mar 18, 2024 at 1:19am2024-03-18T08:19:09.000Z
[60 replies] Last: [quote=SubZeroWins]Have you guys used the timing in the 1st
link yet a... (by Peter87)

by Zaap
vector push_back passing size from 0 to overflow   [General C++ Programming]
 
Hi, please see the following code and the associated prints. I also add the
Argument class below. Basically, it crashes the second time it goes in the loop
b...
Mar 17, 2024 at 3:39pm2024-03-17T22:39:55.000Z
[3 replies] Last: Bumping this to just give some insight that might be generally
helpful... (by Ganado)

by JUANDENT
The object itself (this) is it a leak if its constructor throws?   [General C++
Programming]
 
if the ctor throws, then the object this has already received the memory (some
new or alloc has been executed)... so, does the object this leak? the only
possi...
Mar 17, 2024 at 12:43pm2024-03-17T19:43:11.000Z
[7 replies] Last: Excellent comments! Thank you again!! (by JUANDENT)

by rudiHammad
Visual studio keep aligning assignment operator   [Beginners]
 
Hi, I want to turn off this type of formatting someLongVariable = false;
shortVar = true; [/code] I prefer this [code] someLongV...
Mar 15, 2024 at 5:32pm2024-03-16T00:32:34.000Z
[no replies]

by JamieAl
Convert MATLAB function to C++   [General C++ Programming]
 
I have a function from a textbook:
https://people.maths.ox.ac.uk/trefethen/spectral.html Basically it calculates
the Chebyshev differentiation matrix and I hav...
Mar 15, 2024 at 3:55pm2024-03-15T22:55:52.000Z
[14 replies] Last: @mbozzi I think the problem is that duyk is too small to hold
the en... (by JamieAl)

by Zaap
Threading: changing processor count does not change performances   [General C++
Programming]
 
Hi, I've been doing some multi-threading in my program. This program essentially
iterates over a dataset and for each line computes some stuff. My multi-t...
Mar 15, 2024 at 9:00am2024-03-15T16:00:16.000Z
[8 replies] Last: [quote=Zaap]I think using a for_each in my code will create an
excessi... (by TheIdeasMan)

by Mif
C programming / Program is Crushing when in release   [Beginners]
 
I got this Unhandled exception when I try to run my program in release mod. I
don't know what am I doing wrong, and I can't find where I'm exceeded the array
bo...
Mar 15, 2024 at 5:51am2024-03-15T12:51:02.000Z
[12 replies] Last: Also here sortAndFindMax(propValue, 5);[/code] I'm sorting
the array ... (by Mif)

by JamieAl
Why is my fft function not working as expected?   [General C++ Programming]
 
Trying to take the fft of 2D array along one direction (x for example and not y)
so it's a 1D FFT of 2D array. I have done this successfully before using Eigen
...
Mar 15, 2024 at 12:06am2024-03-15T07:06:30.000Z
[9 replies] Last: it makes no difference whether you store your matrix row or
column maj... (by jonnin)

by seeplus
C++ Safety in Context   [Lounge]
 
See: https://herbsutter.com/2024/03/11/safety-in-context/
Mar 14, 2024 at 10:59pm2024-03-15T05:59:10.000Z
[2 replies] Last: @seeplus Thanks for you post, great to see some fight back for
the BS ... (by TheIdeasMan)

by JUANDENT
Cyclic dependencies - how to deal with them?   [General C++ Programming]
 
Hi, I have a class GridCtrl that delegates to GridCtrlHandler but
GridCtrlHandler must also be able to call methods on GridCtrl. I cannot have
GridCtrl.h ...
Mar 14, 2024 at 9:34am2024-03-14T16:34:41.000Z
[6 replies] Last: Heh, I created a circular dependency issue using modules and
Visual St... (by George P)



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