bus

问题 #include <sys/types.h> #include <sys/stat.h> #include <sys/mman.h> #include <fcntl.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <limits.h> #include <pthread.h> #define FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) #ifndef MAP_FILE /* 44BSD defines this & requires it to mmap files */ #define MAP_FILE 0 /* to compile under systems other than 44BSD */ #endif #define SIZE 20 #define N 3 struct stat statbuf; struct pixel { char R; char G; char B; }

问题 I use C++ since a long time, and now I'm starting to learn assembly and learn how processors work (not just for fun, but I have to as a part of a test program). While learning assembly, I started hearing some of the terms that I hear here and there when discussing multithreading, given that I do lots of multithreading in scientific computing. I'm struggling to get the full picture, and I'd appreciate helping me to widen my picture. I learned that a bus, in its simplest form, is something like

问题 Is there a general I2C command to see if a device is still present on the bus after it is initialized once? For example an OLED display. The reason I ask this is to avoid the main program will freeze (when a device is disconnected) because of infinite loops present in the library code, in for example, the Wire library. At startup of the MCU I want to check if a device is available or not, and initialize it when it is available. I do this with this function and works fine ..... bool MyClass:

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 4 years ago . I want to make a very simple event bus which will allow any client to subscribe to a particular type of event and when any publisher pushes an event on the bus using EventBus.PushEvent() method only the clients that subscribed to that particular event type will get the event. I am using C# and .NET 2.0. 回答1:

问题 I'm new to Azure Service Bus and have created successful pocs for creating a topic and a separate subscriber application to receive its message. Based on this article, I quote: "A topic can have up to 2,000 subscriptions associated with it, each of which gets independent copies of all messages sent to the topic. One or more subscribers can independently subscribe to a subscription and compete for messages from it." http://convective.wordpress.com/2011/06/08/windows-azure-appfabric-service-bus

问题 I stumbled upon an assembly programming challenge where I need to find why the following code gives a Bus Error when trying to run it. After much googling, I still can't figure out why.. My understanding of assembly x86 not great, any tips on finding the solution would be very appreciated. Here is the code: #include <stdlib.h> int main(void) { asm("pushf\n" "orl $ 0x40000, (%esp)\n" "popf\n"); *((int*) (((char*) malloc(5)) + 1)) = 23; // This line causes the Bus Error return 0; } 回答1:

问题 I have been to trying find out if there is any way to pause the worker from taking more jobs/messages from the Rebus queue? I want to be able to "disable" a worker through my GUI so that it finishes the job its currently working on (if any) and then stops taking more jobs. Then if I want it to start taking jobs again, I signal this via the gui. My worker setup for Rebus looks like this: private void SetupRebus(int numberOfWorkers, string messageName) { _adapter = new BuiltinContainerAdapter()

问题 I've been working through this code for hours but couldn't locate the error. It passes the compiler, but while running it gets a bus error, why? char *ft_strrev(char *str); char *ft_strrev(char *str) { int i; int count; int d; char temp[5]; i = 0; count = 0; d = 0; while (str[count] != '\0') { count++; } while (d < count) { temp[d] = str[d]; d++; } while (--count >= 0) { str[i] = temp[count]; i++; } return (str); } int main() { char *pooch; pooch = "allo"; ft_strrev(pooch); return (0); } 回答1:

问题 I'm creating 2 REST containers using . I want to keep some common things like the JSON providers, validation interceptor, exception handling using a cxf bus. below is my application context. <cxf:bus> <cxf:properties> <entry key="org.apache.cxf.jaxrs.provider" key-ref="busProviders"/> </cxf:properties> </cxf:bus> <util:list id="busProviders"> <ref bean="requestInterceptor"/> <ref bean="jsonProvider"/> <ref bean="exceptionHandler"/> </util:list> <bean id="requestInterceptor" class="com.sample

问题 I have two console apps using Rebus. They both reference an assembly where messages (commands and events) are defined. Console app "A" sends commands and listens to events for logging purposes (e.g.: sends a CreateTCommand and listens for TCreatedEvent). Console app "B" (which is actually an ASP.NET Core app) listens to commands and handles them (e.g.: a saga is initiated by CreateTCommand, the aggregate is created and it raises a TCreatedEvent). In another DLL inside the process of app "B"