Breakpoints are important for the Visual Studio debugging process, and breakpoints are set for better debugging. This article describes some of the tips for how to debug a break point in Visual Studio.
In general, function breakpoints are useful in the following situations:
1 For example debugging a website program, you find the most likely
When debugging zencart online stores, some files are sometimes modified, and the front-end display of online stores is incomplete or a blank page is displayed. You can use the following methods to open the error prompt:
Open the includesapplication_top.php file and findIf (defined ('strict _ error_reporting ') strict_error_reporting = true ){
Add a line aboveDefine ('strict _ error_reporting ', true );
In VC ++ 6.0, there is no compilation error, but an error is reported when running to a certain step. If the problem persists, step-by-step debugging is successful. Very confusing!
Baidu later found that a problem occurred while declaring the variable.
Then I put all the variable declarations in front of them, and it would be normal ~~~
In Baidu, the add
Xcode6 + Cocos2d-x real machine debugging Error
Currently, the following problems occur when debugging a real machine.
Undefined symbols for architecture arm64: "_png_get_io_ptr", referenced from: cocos2d::(anonymous namespace)::pngReadCallback(png_struct_def*, unsigned char*, unsigned long) in libcocos2dx iOS.a(CCImage-480BC5818CB61150.o) "_png_error", r
Download a set of PHP program from the Internet, debugging without outputting any error message (page blank), resulting in the wrong troubleshooting.
Environment: IIS 7.5
This is his entry file.
set($config);Doo::db()->setDb($dbconfig, $config['APP_MODE']);Doo::app()->route = $route;Doo::app()->run();
Reply content:
Download a set of PHP program from the Internet,
Xcode real machine debugging error: The application cocould not be verified., xcodeverified
This error occurs during real machine debugging today:
The application cocould not be verified.
This is the first time, because the app certificate on the mobile phone is inconsistent with the current certificate.
There are
the JS console via the console object, which has the following methods:
Error (Message)
Logging error messages to the console
Info (message)
Logging informational messages to the console
Log (message)
Logging generic messages to the console
Warn (message)
Logging warning messages to the console
17.3.2 log messages t
image data through JavaScript. Later crossorigin , the label solves the problem by introducing attributes. If used crossorigin="anonymous" , it is equivalent to anonymous cors, and if you use ' crossorigin= ' use-credentials, it is equivalent to a certified cors.Since labels can do this, why can't labels do this? The browser vendor then adds the same attributes to the tag to address the crossorigin security restrictions described above. Now Chrome and Firefox support for this property is ab
to record it whenever an exception occurs, you also want to avoid another error. In other words, record errors and enable the application to continue running. You may need to do the following:
CREATE OR REPLACE FUNCTION hello_world RETURN VARCHAR2 ISv_ procedure errorlog.procedure_name%TYPE default 'hello_world';v_ location errorlog.location%TYPE;BEGINv_location := 1000;return ('hello, world');EXCEPTIONwhen others thenpkg_error.log(p_error_
When the php debugging mode is enabled in Ubuntu, the error message is displayed. the default setting of php in Ubuntu does not display the error message. if a program error occurs, the error message "cannot process this request" is displayed ", this is inconvenient in the d
Ladies and gentlemen, I haven't solved a problem when compiling the kernel module for a long time. Please help me to see it,666 static _ init int cbac_init (void)667 {668 struct cred * cred;669670 if (! Security_module_enable ( cbac_ops ))671 return 0;672673 printk (KERN_INFO "cbac: InitializE ");674 /*675 * Set the security state for the initial task.676 */677 cred = (struct cred *) current-> cred;678 cred-> security = c_f_key.cbackey;679680/* register new key */681 // if (register_key_type (s
register cannot be obtained, in other words, there is no way to know the address of the next instruction. To do this, we can still release the coredump switch, through the GDB process_name coredump to analyze (bad situation, stack frame is destroyed, we can do is to analyze the assembly instruction idea to restore the destroyed stack frame) , or in our source program by capturing the SIGSEGV signal, the stack frame information to print to the log file to analyze, with the GCC provided by the ba
impede the judgment of expression. When an assertion occurs (expression is false, this string is displayed in the assertion dialog box to facilitate debugging. To solve this problem, first determine the location where the assertions occur. If the assertions you set are triggered, it will be well solved. If they are generated by functions in the system, this is generally because the input function parameter is invalid.
2. Memory-related: the simplest
14.12 Debugging a basic program crash error?How do you debug a program after it crashes?Solution?If your program crashes because of an exception, run python3-isomeprogram.py simple debugging.-iOption to open an interactive shell after the program finishes.Then you can look at the environment, for example, assuming you have the following code:# sample.pyfunc(ntenf
. excelfilename.xls ".The object that caused the error: Microsoft ExcelInformation on the call Stack: at Excel. workbookclass. savecopyas (Object filename)Solution: Add the "Everyone/write" permission to the file corresponding to the virtual directory.
7Compiler error message:Cs0006: the metadata file "C: \ winnt \ microsoft.net \ framework \ v1.1.4322 \ temporary Asp.net files \ lq_webui \ 39ec39c1 \ Users
execution of a try clause, the remainder of the try clause is ignored. If the type of the exception matches the name after except, then the corresponding except clause is executed. The code after the last try statement is executed.
If an exception does not match any of the except, then the exception is passed to the upper try.
A try statement may contain multiple except clauses that handle different specific exceptions. Only one branch will be executed at most. Finally will be execute
Using vs :) more practices are required... Below are the basic points:
I. debugging
Trace point tracepoint
Breakpoint
Monitoring variable
Locals window, Watch window, outpu window, immediate window, and call Stack window.
One-step executionCode: Step into (F11), step over (F10)
Run: Debug (F5), start without debugging (CTR + F5)
DebuggingProgramAllows you to better understand the imageAlgo
The following problems were encountered during DirectShow development and debugging.
When you use visual c ++ 6.0 to debug an application, the following dialog box appears and you cannot continue debugging. How can this problem be solved?
Protection Error
Debugger detected-Please close it down and restsrt!
Windows NT users: Please note that having
Winice/S
When we use a real machine for Android Application debugging, we cannot obtain the debugging information. The error message is as follows: Unable to open log device '/dev/log/main': no such file or directory.
This is because our mobile phone has not enabled the log record. The following uses Huawei u8860 as an example to enable the log function of the mobile pho
Symptom: Error while trying to run project: unable to start debugging. The debugger is not properly installed. Run setup to install or repair the debugger.
Solution 1: run the Visual Studio. net Add/Remove feature from "Control Panel> add or remove programs", by selecting the correct version of Visual Studio and clicking on "change/Repair" button. in my case this solution did not fix the problem.
Solu
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