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Questions tagged [interception]

174 questions
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4 answers

Intercepting JUnit Assert functions

I would like to do some "own stuff" when an assertion in JUnit fails. I would like to have this: public class MyAssert extends org.junit.Assert { // @Override static public void fail(String message) { System.err.println("I am…
Bjoern Milcke
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LD_PRELOAD not working for printf

i am using LD_PRELOAD to capture write() system call in linux . I am successfully able to do this for write system call and make it work. But when i call printf() that time it does not work. If we observe printf stack trace using strace i found…
app
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Why does Unity apply injection behavior when resolving class registered as implementation of some interface

I register dependency like this: this.Container.RegisterType( new ContainerControlledLifetimeManager(), new InterceptionBehavior(), new Interceptor()); this works fine. However when…
Pavel Voronin
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6 answers

Intercept method calls

Is there a way of intercepting some method calls without making any code changes around the method itself? I don't need to inject any custom behaviour at runtime, only add custom performance logging to an existing project.
aly
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Autofac + Castle DynamicProxy: Order of interceptors

I'm using Castle DynamicProxy with Autofac. I have an object for which I've created a proxy, and I have two interceptors that act on the proxy, one for logging an exception and the second for for altering the return value of the method. The…
musicologyman
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1 answer

Playwright intercept server side network request

Can't see to find any good docs on how to mock/stub the server Sider side requests with playwright. An example would be to intercept the getServerSideProps in nextjs: hitting the routes makes the server do a request (db API etc). Then it can do some…
Norfeldt
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Intercepting global functions with Valgrind on Linux using g++

I'm trying to intercept a function with Valgrind, according to their example. I am able to do the interception of global function when building with gcc, however when I compile the same code with g++, interception doesn't work. Is there anything…
Igal Tabachnik
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1 answer

MutationObserver: ignore a DOM action

How can I make an observing instance of MutationObserver to ignore some DOM changes, which are caused by my code? For example (with jQuery): //initialize MutationObserver var mo = new MutationObserver(mutations =>…
impulsgraw
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How to get the value of the property of a transparent proxy via reflection?

My code receives transparent proxy instead of original instance. While this var type = obj.GetType(); yields the type of original class, the following code throws TargetException: Object does not match target type var value =…
Pavel Voronin
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1 answer

nginx proxy authentication intercept

I have a couple of service and they stand behind an nginx instance. In order to handle authentication, in nginx, I am intercepting each request and sending it to the authentication service. There, if the credentials are are correct, I am setting a…
Horia Radu
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How can I force iOS MapKit to use HTTPS for all its communications?

Embedding a map in my app causes many HTTP requests to be produced, of the form: http://gspe19.ls.apple.com/tile.vf?flags=1&style=1&size=2&scale=0&v=99999999&z=99&x=9999&y=9999&checksum=1&sid=999999&accessKey=XXXXXX This is the tile data that is…
Opine Parens
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Intercept or Decorate calls to ILogger

I'm currently using castle windsor, along with it's logging facility in my application. However, in my logging I would like to include some contextual information that is not within the logged message, but stored within the CallContext. I have…
Lawrence
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Is there a way to measure C# function execution time from an attribute?

I'm looking to publish custom performance counters for certain important function calls in the system. I'd like to continously monitor these performance counters in a production environment. Is there a way for me to mark certain functions with a…
Igorek
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Custom onInterceptTouchEvent in ListView

How can I implement a custom onInterceptTouchEvent() in a ListView that give the scrolling priority to the child's of the ListView and as soon as they did their scrolling , give it back to the ListView ? I want to give priority to the inner views.
Soheil Setayeshi
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How to intercept key strokes in Matlab while GUI is running

Do you know how to read keyboard strokes into Matlab while a Matlab gui is running? (I.e., without using the "input" function which sends a prompt to the command window and needs you to press return). We would like to avoid using a mex function if…
learnvst
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