conditional-breakpoint | 易学教程

Why does Conditional breakpoint decrease the application execution speed at debug time?

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问题 When I use conditional breakpoint in VS2005 instead of using temporary code to check specific conditions, I noticed it takes more time and the execution speed is decreased!! Do you know why? and how to resolve this issue? Exmaple: int sequence = atoi(m_SequenceNumber.GetAscii()); if( sequence == 392914)//temporary code to check to step into code { int x = 0;//I put breakpoint here } The previous code will execute faster than if I used conditional breakpoint with ( sequence == 392914) 回答1: It

Conditional breakpoint not working

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问题 The above code has a conditional breakpoint set at its bottom line in yellow followed by the Breakpoint Settings dialog which should work with: item.Value == "aday" However I get the below error, I have searched online for this and can't find any reason why this should fail. Im using VS 2015 Pro. EDIT- Thank you for pointing out the obvious error on my part, I do normally code in C#. But now using a single '=' I get this??????? I assume that I it equates to an assignment, and adding

Why does the condition for a breakpoint failed to execute?

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I want to temporarily disable a breakpoint for a short time, so I set a conditional breakpoint with the following condition: (global::System.DateTime.Now<new global::System.DateTime(2014,03,28,11,0,0)) When this breakpoint is hit a dialog pops up, saying The condition for a breakpoint failed to execute. The condition was '(global::System.DateTime.Now<new global::System.DateTime(2014,03,28,11,0,0))'. The error returned was 'The runtime has refused to evaluate the expression at this time.'. Click OK to stop at this breakpoint. Why has the runtime refused to evaluate the expression? What can I do

IntelliJ Idea (debugging) conditional breakpoint dependent on other breakpoints

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问题 I want to set a debug breakpoint in IntelliJ Idea that is only active, if another previous breakpoint was activated. For example i have a breakpoint B1 on line 10, and another breakpoint B2 on line 20. Even if B2s condition is true, the debugger should only halt if B1s condition was true before B2s. Is something like this possible in Idea? Update: Currently i'm working with this workaround: set the two breakpoints disable breakpoint #2 start the debugger, wait until breakpoint #1 is active

Conditional Breakpoints on Call Stack

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问题 Is it possible to specify a breakpoint in Visual Studio 2010 that hits only if the calling methods up the call stack meet some specific condition? For example, and most likely, method name. I am ideally looking for a solution in Visual Studio itself such as the conditional breakpoint, but I'll settle for testing method names up the stack in code and having a coded breakpoint. What I'm trying to achieve is to cut out calls from a specific caller. 回答1: Right click the breakpoint, choose

IntelliJ Idea (debugging) conditional breakpoint dependent on other breakpoints

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I want to set a debug breakpoint in IntelliJ Idea that is only active, if another previous breakpoint was activated. For example i have a breakpoint B1 on line 10, and another breakpoint B2 on line 20. Even if B2s condition is true, the debugger should only halt if B1s condition was true before B2s. Is something like this possible in Idea? Update: Currently i'm working with this workaround: set the two breakpoints disable breakpoint #2 start the debugger, wait until breakpoint #1 is active activate breakpoint #2 I hope there is a cleaner way to do this :) You can do that in the View

Conditional Breakpoints on Call Stack

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Is it possible to specify a breakpoint in Visual Studio 2010 that hits only if the calling methods up the call stack meet some specific condition? For example, and most likely, method name. I am ideally looking for a solution in Visual Studio itself such as the conditional breakpoint, but I'll settle for testing method names up the stack in code and having a coded breakpoint. What I'm trying to achieve is to cut out calls from a specific caller. Right click the breakpoint, choose "Condition" and use something like this: new System.Diagnostics.StackTrace().ToString().Contains("YourMethodName")

Setting Memory Breakpoints in Eclipse

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问题 How do you set memory breakpoints in Eclipse? That is, I would like to set a conditional breakpoint that triggers when the data at a given memory location changes. This question has been asked before, but the only provided answer doesn't address the question and is essentially the same information that can be found in the Eclipse Online help. What I am looking for is more detailed information (or an example would be good) for setting a conditional breakpoint in Eclipse that will trigger when

Eclipse Conditional-Breakpoint. How to check if exception occurs?

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问题 I have this function: public static FradId readFradId(DataInput pIn) throws IOException { Integer lMainId = Integer.valueOf(pIn.readInt()); Integer lReferenceId = Integer.valueOf(pIn.readInt()); String lShortname = pIn.readUTF(); return new FradId(lMainId,lReferenceId,lShortname); } I got a breakpoint at this line: String lShortname = pIn.readUTF(); my problem is in some cases the function readUTF throws a RuntimeException . The application executes the function more than 100 times so it is

Watch a memory location/install 'data breakpoint' from code?

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We have a memory overwrite problem. At some point, during the course of our program, a memory location is being overwritten and causing our program to crash. the problem happens only in release mode. when in debug, all is well. that is a classic C/C++ bug, and a very hard one to locate. I wondered if there's a way to add some 'debugging code' that will watch this memory location and will call a callback once its changed. This is basically what a debugger could do in debug mode (a 'data breakpoint') but we need something similar in release. If you can control the location of the variable then