I'm not able to use the delay function in my programs.I tried including the preprocessor directive 'dos.h'.Do tell me if i need to use any other preprocessor directive.I've posted the errors which i get when i try to compile for your reference. 2-24 C:Dev-Cppbinduration.cpp `delay' undeclared (first use this.
Introduction
This article is about delayed execution for a function that we can have in setInterval.
We all know, if we want to execute a function or run a task after certain interval of time then we can schedule a call. This can be done in two ways:
- setTimeout which allows us to run a function once after the interval of time.
- setInterval which allows us to run a function repeatedly, starting after the interval of time, then repeating continuously at that interval.
- Citing from the Dev-C help: 'Compile delay This option is present to provide a delay before compiling. Normally, you will not use this. If make complains of the timestamp being invalid, try specifying a delay. Delay in C: delay function is used to suspend execution of a program for a particular time.
- Jan 10, 2017 The delay function is used to suspend execution of a program for a particular time. Declaration: void delay(unsigned int); Here unsigned int is the number of milliseconds (remember 1 second = 1000 milliseconds). To use delay function in your.
Here, we will look into how we can delay a function execution in setInterval() and see how it behaves.
setInterval
The setInterval method has the same syntax as setTimeout:
All arguments have the same meaning. But unlike setTimeout it runs the function not only once, but regularly after the given interval of time.
Let us consider this snippet:
Observe the output:
It prints the message after 2 seconds continuously.
It is possible that execution of test function turns out to be longer than we expected and takes more than 2000ms.
what will happen in such case?
I am adding a setTimeout() with a delay of 5000ms which exceeds the interval specified in setInterval().
If you notice the output in your browser console, you would notice the output
after a delay of 7000ms.
And then you could see the following in an interval of 2000ms
received value is : 2
received value is : 3
received value is : 4
In this case the engine waits for test function to complete, then checks the scheduler and if the time is up, runs it again immediately.
In the edge case, if the function always executes longer than delay ms, then the calls will happen without a pause at all.
Such a case might appear while making an API call inside the function/callback mentioned in setTimeinterval().
Yeah that's about delay in setInterval. Hope this was helpful.
Cheers !!!
Dev-C++ showing its updated UI and new variable browsing options | |
| Developer(s) | Bloodshed Software (Colin Laplace) until 2005, Orwell (Johan Mes) from 2011 to 2020, Embarcadero since 2020 |
|---|---|
| Stable release | |
| Repository | |
| Written in | Delphi |
| Operating system | Microsoft Windows, Linux (alpha only) |
| Type | Integrated development environment |
| License | GNU General Public License |
| Website | www.embarcadero.com/free-tools/dev-cpp orwelldevcpp.blogspot.com www.bloodshed.net |
Dev-C++ is a free full-featured integrated development environment (IDE) distributed under the GNU General Public License for programming in C and C++. It was originally developed by Colin Laplace and first released in 1998. It is written in Delphi.
It is bundled with, and uses, the MinGW or TDM-GCC 64bit port of the GCC as its compiler. Dev-C++ can also be used in combination with Cygwin or any other GCC-based compiler.[1]
DevPaks[edit]
An additional aspect of Dev-C++ is its use of DevPaks: packaged extensions on the programming environment with additional libraries, templates, and utilities. DevPaks often contain, but are not limited to, GUI utilities, including popular toolkits such as GTK+, wxWidgets, and FLTK. Other DevPaks include libraries for more advanced function use. Users of Dev-C++ can download additional libraries, or packages of code that increase the scope and functionality of Dev-C++, such as graphics, compression, animation, sound support and many more. Users can create DevPaks and host them for free on the site. Also, they are not limited to use with Dev-C++ - the site says 'A typical devpak will work with any MinGW distribution (with any IDE for MinGW)'.
Development status[edit]
From February 22, 2005 the project was not noticeably active, with no news posted nor any updated versions released. In a 2006 forum post, lead developer Colin Laplace stated that he was busy with real-life issues and did not have time to continue development of Dev-C++.[2] In a 2020 forum post, Orwell lead developer Johan Mes stated that he 'will probably still not have any time to work on this project'.[3]
There are three forks of Dev-C++ since then: wxDev-C++, the Orwell version, and the Embarcadero-maintained fork version.
wxDev-C++ version[edit]
wxDev-C++ is a development team that has taken Dev-C++ and added new features such as support for multiple compilers and a RAD designer for wxWidgets applications.[4]
Orwell version[edit]
On June 30, 2011 an unofficial version 4.9.9.3 of Dev-C++ was released by Orwell (Johan Mes), an independent programmer,[5] featuring the more recent GCC 4.5.2 compiler, Windows' SDK resources (Win32 and D3D), numerous bugfixes, and improved stability. On August 27, after five years of officially being in a beta stage, version 5.0 was released.[6] This version also has its own separate SourceForge[7] page since version 5.0.0.5, because the old developer isn't responding to combining requests. In July 2014, Orwell Dev-C++ 5.7.1 was released featuring the then recent GCC 4.8.1 which supports C++11.
Embarcadero version[edit]
On July 1, 2020 a new fork version 5.50 of Dev-C++ was sponsored and released by Embarcadero featuring a code upgrade to Delphi 10.4. On October 12, 2020 a new fork version 6.0 of Dev-C++ was sponsored and released by Embarcadero with a more recent GCC 9.2.0 compiler with C++11 and partial C++20 support, new high DPI support, UTF8 file support, upgraded icons, dark theme, and additional changes.[8]
Notable uses[edit]
On May 4, 2015, The Singapore Prime Minister Lee Hsien Loong posted his Sudoku solver program in C++ on Facebook. In his screen shot, he's using Microsoft Windows and Dev-C++ as his IDE.[9]
It is often recommended for beginners learning C or C++,[10][11][12][13][14][15] and is available on Wine.[16] It is compared with Turbo C++[17] or other IDEs.[18]
See also[edit]
References[edit]
- ^'Bloodshed Software - Providing Free Software to the internet community'. bloodshed.net. Retrieved 8 September 2015.
- ^'Dev-C++'. sourceforge.net. Retrieved 8 September 2015.
- ^'Orwell Dev-C++'. sourceforge.net. Retrieved 14 July 2020.
- ^[http://wxdsgn.sourceforge.net/?q=node/19
- ^Orwell. 'Dev-C++ Blog'. orwelldevcpp.blogspot.com. Retrieved 8 September 2015.
- ^Orwell. 'Dev-C++ Blog'. orwelldevcpp.blogspot.com. Retrieved 8 September 2015.
- ^orwelldevcpp. 'Dev-C++'. SourceForge. Retrieved 8 September 2015.
- ^Embarcadero. 'Embarcadero Dev-C++'. GitHub. Retrieved 12 October 2020.
- ^'Prime Minister of Singapore shares his C++ code for Sudoku solver'. Ars Technica. Retrieved 8 September 2015.
- ^https://www.evl.uic.edu/aspale/dvl/dev-cpp/
- ^https://chortle.ccsu.edu/bloodshed/howtogl.html
- ^http://www.brooklyn.cuny.edu/web/aca_naturalsciences_cis/STARTDev.pdf
- ^https://en.wikibooks.org/wiki/Programming_Fundamentals/Integrated_Development_Environment/Dev-C%2B%2B
- ^https://ece.uwaterloo.ca/~dwharder/aads/Tutorial/devcpp.html
- ^https://www.instructables.com/Your-First-Program-in-C-1/
- ^https://appdb.winehq.org/objectManager.php?sClass=version&iId=5960
- ^https://www.geeksforgeeks.org/difference-between-turbo-c-and-dev-c/
- ^https://www.reddit.com/r/cpp_questions/comments/5o7w29/pros_and_cons_dev_c_vs_codeblocks_vs_others/
External links[edit]
- Official website
- Dev-C++ on SourceForge.net
- Orwell Dev-C++ on SourceForge.net