Dev C++ Debugger Tutorial
Jul 07, 2017 dev c debug, dev c debug not working, dev c debug watch variable, dev c debugger, dev c debugger not working. Aug 03, 2016 i have reinstalled about 7 times. I have even downloaded the dev-c 5.11 over and over but nothing worked. Kindly assist me! Debugging with my eyes seems to be frustrating and i am not a fan of the write debugging technique as well. Dev-C is a free IDE for Windows that uses either MinGW or TDM-GCC as underlying compiler. Originally released by Bloodshed Software, but abandoned in 2006, it has recently been forked by Orwell, including a choice of more recent compilers. In this tutorial, we'll take a closer look at this app using the debugger and get a look at the debugger features. Stop the debugger by pressing the red stop button (Shift + F5). In the console window, press a key and Enter to close the console window. Set a breakpoint and start the debugger. In the previous lessons (3.6 - Using an integrated debugger: Stepping and 3.7 - Using an integrated debugger: Running and breakpoints), you learned how to use the debugger to watch the path of execution through your program. However, stepping through a program is only half of what makes the debugger useful. Tutorial: Debug C# and C in the same debugging session.; 7 minutes to read +5; In this article. Visual Studio lets you enable more than one debugger type in a debugging session, which is called mixed-mode debugging.
Enabling Keyboard Shortcuts
React Native supports a few keyboard shortcuts in the iOS Simulator. They are described below. To enable them, open the Hardware menu, select Keyboard, and make sure that 'Connect Hardware Keyboard' is checked.
Accessing the In-App Developer Menu
You can access the developer menu by shaking your device or by selecting 'Shake Gesture' inside the Hardware menu in the iOS Simulator. You can also use the ⌘D keyboard shortcut when your app is running in the iOS Simulator, or ⌘M when running in an Android emulator on Mac OS and Ctrl+M on Windows and Linux. Alternatively for Android, you can run the command adb shell input keyevent 82 to open the dev menu (82 being the Menu key code).
The Developer Menu is disabled in release (production) builds.
Reloading JavaScript
Instead of recompiling your app every time you make a change, you can reload your app's JavaScript code instantly. To do so, select 'Reload' from the Developer Menu. You can also press ⌘R in the iOS Simulator, or tap R twice on Android emulators.
Automatic reloading
You can speed up your development times by having your app reload automatically any time your code changes. Automatic reloading can be enabled by selecting 'Enable Live Reload' from the Developer Menu.
You may even go a step further and keep your app running as new versions of your files are injected into the JavaScript bundle automatically by enabling Hot Reloading from the Developer Menu. This will allow you to persist the app's state through reloads.
There are some instances where hot reloading cannot be implemented perfectly. If you run into any issues, use a full reload to reset your app.
You will need to rebuild your app for changes to take effect in certain situations:
- You have added new resources to your native app's bundle, such as an image in
Images.xcassetson iOS or theres/drawablefolder on Android. - You have modified native code (Objective-C/Swift on iOS or Java/C++ on Android).
In-app Errors and Warnings
Errors and warnings are displayed inside your app in development builds.
Errors
In-app errors are displayed in a full screen alert with a red background inside your app. This screen is known as a RedBox. You can use console.error() to manually trigger one.
Warnings
Warnings will be displayed on screen with a yellow background. These alerts are known as YellowBoxes. Click on the alerts to show more information or to dismiss them.
As with a RedBox, you can use console.warn() to trigger a YellowBox.
YellowBoxes can be disabled during development by using console.disableYellowBox = true;. Specific warnings can be ignored programmatically by setting an array of prefixes that should be ignored:
In CI/Xcode, YellowBoxes can also be disabled by setting the IS_TESTING environment variable.
RedBoxes and YellowBoxes are automatically disabled in release (production) builds.
Chrome Developer Tools
To debug the JavaScript code in Chrome, select 'Debug JS Remotely' from the Developer Menu. This will open a new tab at http://localhost:8081/debugger-ui.
Select Tools → Developer Tools from the Chrome Menu to open the Developer Tools. You may also access the DevTools using keyboard shortcuts (⌘⌥I on macOS, CtrlShiftI on Windows). You may also want to enable Pause On Caught Exceptions for a better debugging experience.
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Note: the React Developer Tools Chrome extension does not work with React Native, but you can use its standalone version instead. Read this section to learn how.
Debugging using a custom JavaScript debugger
To use a custom JavaScript debugger in place of Chrome Developer Tools, set the REACT_DEBUGGER environment variable to a command that will start your custom debugger. You can then select 'Debug JS Remotely' from the Developer Menu to start debugging.
The debugger will receive a list of all project roots, separated by a space. For example, if you set REACT_DEBUGGER='node /path/to/launchDebugger.js --port 2345 --type ReactNative', then the command node /path/to/launchDebugger.js --port 2345 --type ReactNative /path/to/reactNative/app will be used to start your debugger.
Custom debugger commands executed this way should be short-lived processes, and they shouldn't produce more than 200 kilobytes of output.
Safari Developer Tools
You can use Safari to debug the iOS version of your app without having to enable 'Debug JS Remotely'.
- Enable Develop menu in Safari:
Preferences → Advanced → Select 'Show Develop menu in menu bar' - Select your app's JSContext:
Develop → Simulator → JSContext - Safari's Web Inspector should open which has a Console and a Debugger
However, there are some disadvantages:
- No sourcemaps when debugging
- Every time the app is reloaded (using live reload, or by manually reloading), a new JSContext is created. Choosing 'Automatically Show Web Inspectors for JSContexts' saves you from having to select the latest JSContext manually.
React Developer Tools
You can use the standalone version of React Developer Tools to debug the React component hierarchy. To use it, install the react-devtools package globally:
Now run react-devtools from the terminal to launch the standalone DevTools app:
It should connect to your simulator within a few seconds.
Note: if you prefer to avoid global installations, you can add react-devtools as a project dependency. Add the react-devtools package to your project using npm install --save-dev react-devtools, then add 'react-devtools': 'react-devtools' to the scripts section in your package.json, and then run npm run react-devtools from your project folder to open the DevTools.
Integration with React Native Inspector
Open the in-app developer menu and choose 'Toggle Inspector'. It will bring up an overlay that lets you tap on any UI element and see information about it:
However, when react-devtools is running, Inspector will enter a collapsed mode, and instead use the DevTools as primary UI. In this mode, clicking on something in the simulator will bring up the relevant components in the DevTools:
You can choose 'Toggle Inspector' in the same menu to exit this mode.
Inspecting Component Instances
When debugging JavaScript in Chrome, you can inspect the props and state of the React components in the browser console.
First, follow the instructions for debugging in Chrome to open the Chrome console.
Make sure that the dropdown in the top left corner of the Chrome console says debuggerWorker.js. This step is essential.
Dev C Debugger Tutorial For Beginners
Then select a React component in React DevTools. There is a search box at the top that helps you find one by name. As soon as you select it, it will be available as $r in the Chrome console, letting you inspect its props, state, and instance properties.
Performance Monitor
You can enable a performance overlay to help you debug performance problems by selecting 'Perf Monitor' in the Developer Menu.
Projects with Native Code Only
The following section only applies to projects with native code exposed. If you are using the managed `expo-cli` workflow, see the guide on ejecting to use this API.
Accessing console logs
You can display the console logs for an iOS or Android app by using the following commands in a terminal while the app is running:
You may also access these through Debug → Open System Log.. in the iOS Simulator or by running adb logcat *:S ReactNative:V ReactNativeJS:V in a terminal while an Android app is running on a device or emulator.
If you're using Create React Native App or Expo CLI, console logs already appear in the same terminal output as the packager.
Debugging on a device with Chrome Developer Tools
If you're using Create React Native App or Expo CLI, this is configured for you already.
On iOS devices, open the file RCTWebSocketExecutor.m and change 'localhost' to the IP address of your computer, then select 'Debug JS Remotely' from the Developer Menu.
On Android 5.0+ devices connected via USB, you can use the adb command line tool to setup port forwarding from the device to your computer:
adb reverse tcp:8081 tcp:8081
Alternatively, select 'Dev Settings' from the Developer Menu, then update the 'Debug server host for device' setting to match the IP address of your computer.
If you run into any issues, it may be possible that one of your Chrome extensions is interacting in unexpected ways with the debugger. Try disabling all of your extensions and re-enabling them one-by-one until you find the problematic extension.
Debugging native code
When working with native code, such as when writing native modules, you can launch the app from Android Studio or Xcode and take advantage of the native debugging features (setting up breakpoints, etc.) as you would in case of building a standard native app.
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Latest Version:
DEV-C++ 5.11 LATEST
Requirements:
Windows XP / Vista / Windows 7 / Windows 8 / Windows 10
Author / Product:
Bloodshed Software / DEV-C++
Old Versions:
Filename:
Dev-Cpp 5.11 TDM-GCC 4.9.2 Setup.exe
MD5 Checksum:
581d2ec5eff634a610705d01ec6da553
Details:
DEV-C++ 2020 full offline installer setup for PC 32bit/64bit
The app is an open-source IDE environment, offering software solutions and the necessary tools for C++ app development. However, be aware that its toolset is focused more on novices and basic programming, and that open source community has not updated its toolset for a considerable time. Still, what is present in its latest version represents a highly-capable C++ IDE that could be used for years without encountering any issue.
If you are a novice, are a student who wants to create C++ project in a stable and easy to use software environment, or even if you are a seasoned programmer who wants to access C++ programming inside small IDE that will not strain your computer resources, DEV-C++ represents a perfect choice. It has all the required tools and feature sets for creating small to mid-sized apps.
It runs on all modern versions of Windows and can be used without any restrictions for free. It was originally developed as an open-source fork of the Bloodshed Dev-C++ IDE.
Gdb Debugger
Installation and Use
Even though DEV-C++ is filled with advanced compiler, debugger and a wide array of dev tools, it’s installation package is quite small (only around 50 MB) and therefore can be easily installed on any modern Windows PC or laptop. Just follow the onscreen instructions, and in mere seconds DEV C plus plus will be ready for running. Other more developed modern IDE environments, on the other hand, require much more storage space, and their installation can run for minutes.
Once up and running, you will be welcomed in a user-friendly interface that can be additionally customized to better fit your needs. The main window of the app follows the basic structure of many other modern IDE environments, with top row of dropdown menus and buttons that are shortcuts to its many built-in tools, a large vertical three-tabbed area for managing Projects, Classes and Debug listings, and of course, the main project area (with support for tabs) where you can start programming your apps. Both the app and the current project can be customized extensively. App Options window features tabs for Genera, Fonts, Colors, Code Insertion, Class Browsing, and Autosave customizations. Environment Options feature tabs for General, Directories, External Programs, File Associations, and CVS support customization.
C++ Debugger Online
Features and Highlights- Fully-featured IDE for developing C++ apps.
- User-friendly interface with many tools for managing project development.
- Resource-light and unobtrusive feature set.
- Focused on novices and mid-level programmers who want stability and reliability.
- Powerful compiler and debugger.
- Compatible with all the modern versions of Windows OS