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  • Grails domain class event listner in service level

    - by BlackPanther
    Hi , I want to interrupt some specific grails domain class events(read,write,delete,update).Is there any hibernate eventlistner available for grails domain classes.So that all the calls will go through that eventslistner.I tried following def beforeLoad={}, def beforeInsert={} ,etc ..Other than that is there any other way something can be done in service level? Thanks

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  • Visual Studio Add in.

    - by Eric Brown - Cal
    I was looking to write/get a visual studio add in. I want to be able to write descriptive log calls at the top and bottom of a function. like this log.debug("TheClass.TheMethod(string TheStringParam ="+TheStringParam+") - in"); log.debug("TheClass.TheMethod(string TheStringParam ="+TheStringParam+") - out"); Is there an adin that does this? Is there source anywhere for an add in like Ghost Doc that does reflection(or whatever) to parse the parameters and such? Thanks, Eric-

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  • Is it possible to route a Webmethod?

    - by Philip
    I have a .aspx page with some Webmethods that I use for jQuery ajax calls. [WebMethod] public static string HelloWorld(string s) { return "Hello"+ s; } And call this with Url: /ajax/Test.aspx/HelloWorld I wonder if it is possible to route this method to another url like /ajax/helloworld/?

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  • How does fork() return for son process

    - by EpsilonVector
    I know htat fork() returns differently for the son and father processes, but I'm unable to find information on how this happens. How does the son process receives the return value 0 from fork? And what is the difference in regards to the call stack? As I understand it, for the father it goes something like this: father process--invokes fork--system_call--calls fork--fork executes--returns to--system_call--returns to--father process. What happens in the son side?

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  • Can I have a macro in Visual Studio 2005 call a DOS command and redirect the output to a file?

    - by Mark
    I'd like to have a macro in Visual Studio 2005 that calls a DOS command and redirects the output (stdout and stderr) to a file. Just calling the command and "" redirecting it will not capture stderr, so there are two parts to this: calling a DOS command capturing both stderr and stdout to a file during that call I'd then like to open this file in Visual Studio after the command completes. I'm new to Visual Studio 2005 macro writing, and VB/VBA, so that's the kind of help that I'm looking for. Thanks, Mark

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  • Purpose of Explicit Default Constructors

    - by Dennis Zickefoose
    I recently noticed a class in C++0x that calls for an explicit default constructor. However, I'm failing to come up with a scenario in which a default constructor can be called implicitly. It seems like a rather pointless specifier. I thought maybe it would disallow Class c; in favor of Class c = Class(); but that does not appear to be the case. Some relevant quotes from the C++0x FCD, since it is easier for me to navigate [similar text exists in C++03, if not in the same places] 12.3.1.3 [class.conv.ctor] A default constructor may be an explicit constructor; such a constructor will be used to perform default-initialization or value initialization (8.5). It goes on to provide an example of an explicit default constructor, but it simply mimics the example I provided above. 8.5.6 [decl.init] To default-initialize an object of type T means: — if T is a (possibly cv-qualified) class type (Clause 9), the default constructor for T is called (and the initialization is ill-formed if T has no accessible default constructor); 8.5.7 [decl.init] To value-initialize an object of type T means: — if T is a (possibly cv-qualified) class type (Clause 9) with a user-provided constructor (12.1), then the default constructor for T is called (and the initialization is ill-formed if T has no accessible default constructor); In both cases, the standard calls for the default constructor to be called. But that is what would happen if the default constructor were non-explicit. For completeness sake: 8.5.11 [decl.init] If no initializer is specified for an object, the object is default-initialized; From what I can tell, this just leaves conversion from no data. Which doesn't make sense. The best I can come up with would be the following: void function(Class c); int main() { function(); //implicitly convert from no parameter to a single parameter } But obviously that isn't the way C++ handles default arguments. What else is there that would make explicit Class(); behave differently from Class();? The specific example that generated this question was std::function [20.8.14.2 func.wrap.func]. It requires several converting constructors, none of which are marked explicit, but the default constructor is.

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  • How to auto-generate externs for the Google Closure Compiler

    - by ivo
    Suppose you are working in a javascript project with several external library dependencies, and want to compile your sources using the Google Closure Compiler in ADVANCED_OPTIMIZATIONS mode. Since in this mode the compiler will rename your code calls to the external libraries objects and functions, you must provide externs, to prevent this renaming from happening. But, it is a lot of work to produce the externs by hand, so, what is the best way to auto-generate the appropriate extern from a given javascript lib?

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  • Debugging embedded Lua

    - by Caspin
    How do you debug lua code embedded in a c++ application? From what I gather, either I need to buy a special IDE and link in their special lua runtime (ugh). Or I need to build a debug console in to the game engine, using the lua debug API calls. I am leaning toward writing my own debug console, but it seems like a lot of work. Time that I could better spend polishing the other portions of the game.

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  • Processor affinity settings for Linux kernel modules?

    - by Stephen Pape
    In Windows, I can set the processor affinity of driver code using KeSetSystemAffinityThread, and check which processor my code is running on using KeGetCurrentProcessorNumber. I'm trying to do something similar in a Linux kernel module, but the only affinity calls I can see are for userland processes. Is there any way to do this, so that I can run assembly code on a specific processor? (i.e. sgdt)

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  • Hooks in ghostscript

    - by anon
    Anyone know the right places to hook into ghostscript, so that when interpreting a ps file, I can get logs of all calls of the form: draw_character(float x, float y, string font_name, int char_id); ? Basically I want to take a postscript file, and get a list of where all characters are drawn to the screen. Thanks!

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  • Cache front end for the JetS3t API

    - by Joshua
    Storage via JetS3t REST API seems to be very slow. Is there a caching front end for the JetS3t API for avoiding a network hit on the fetch calls [link text][1] [1]: http://jets3t.s3.amazonaws.com/api/org/jets3t/service/S3Service.html#getObject(org.jets3t.service.model.S3Bucket, java.lang.String, java.util.Calendar, java.util.Calendar, java.lang.String[], java.lang.String[], java.lang.Long, java.lang.Long)

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  • HttpServletRequest.getServerName() occasionally returning null in concurrent use?

    - by oconnor0
    Under JBoss 4.0.1SP1, I have a servlet that makes multiple, concurrent calls to web services that are running under the same instance. I'm using request.getServerName() (on HttpServletRequest) to construct the endpoint URL. This normally works fine, but every once in a while returns null. I hadn't seen this before running the web service requests in parallel, and so I guessed that sharing the HttpServletRequest among threads won't always work or something. Any ideas on fixing this?

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  • Working with processes in C

    - by Gary
    Hi, just a quick question regarding C and processes. In my program, I create another child process and use a two-directional pipe to communicate between the child and parent. The child calls execl() to run yet another program. My question is: I want the parent to wait n amount of seconds and then check if the program that the child has run has exited (and with what status). Something like waitpid() but if the child doesn't exit in n seconds, I'd like to do something different.

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  • Error when calling Render method on reporting services 2008

    - by Chris
    Hi, I've moved my web application to a new server, when it calls the render method on the reporting services 2008 web service it brings back the error "Client found response content type of '', but expected 'text/xml'. The request failed with an empty response". It works fine on my development machine. Does anyone know what might be causing this? Many thanks, Chris.

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  • pretty print makefiles

    - by wickedchicken
    The linux kernel (and various other projects including git) have very nice makefiles that hide the giant cc calls into nice little acronyms. For example: gcc -O2 -o cool.o cool.c -llib gcc -O2 -o neat.o neat.c -llib would become: CC cool.c CC neat.c Which is really nice if you have a project with a large number of files and long compiler flags. I recall that this had to do with suppressing the default output and making a custom one. How do you do it?

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  • What Language is This?

    - by bobber205
    Going through some example code sent to me and honestly, I have no idea what language this is def uniqify(arr): b = {} for i in arr: b[i] = 1 return b.keys() Is it Python? I am also curious what keys() does. It's obvious it returns an array but what does it do the array that calls the function? :P

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  • Why does Python's math.factorial not play nice with threads?

    - by W1N9Zr0
    Why does math.factorial act so weird in a thread? Here is an example, it creates three threads: thread that just sleeps for a while thread that increments an int for a while thread that does math.factorial on a large number. It calls start on the threads, then join with a timeout The sleep and spin threads work as expected and return from start right away, and then sit in the join for the timeout. The factorial thread on the other hand does not return from start until it runs to the end! import sys from threading import Thread from time import sleep, time from math import factorial # Helper class that stores a start time to compare to class timed_thread(Thread): def __init__(self, time_start): Thread.__init__(self) self.time_start = time_start # Thread that just executes sleep() class sleep_thread(timed_thread): def run(self): sleep(15) print "st DONE:\t%f" % (time() - time_start) # Thread that increments a number for a while class spin_thread(timed_thread): def run(self): x = 1 while x < 120000000: x += 1 print "sp DONE:\t%f" % (time() - time_start) # Thread that calls math.factorial with a large number class factorial_thread(timed_thread): def run(self): factorial(50000) print "ft DONE:\t%f" % (time() - time_start) # the tests print print "sleep_thread test" time_start = time() st = sleep_thread(time_start) st.start() print "st.start:\t%f" % (time() - time_start) st.join(2) print "st.join:\t%f" % (time() - time_start) print "sleep alive:\t%r" % st.isAlive() print print "spin_thread test" time_start = time() sp = spin_thread(time_start) sp.start() print "sp.start:\t%f" % (time() - time_start) sp.join(2) print "sp.join:\t%f" % (time() - time_start) print "sp alive:\t%r" % sp.isAlive() print print "factorial_thread test" time_start = time() ft = factorial_thread(time_start) ft.start() print "ft.start:\t%f" % (time() - time_start) ft.join(2) print "ft.join:\t%f" % (time() - time_start) print "ft alive:\t%r" % ft.isAlive() And here is the output on Python 2.6.5 on CentOS x64: sleep_thread test st.start: 0.000675 st.join: 2.006963 sleep alive: True spin_thread test sp.start: 0.000595 sp.join: 2.010066 sp alive: True factorial_thread test ft DONE: 4.475453 ft.start: 4.475589 ft.join: 4.475615 ft alive: False st DONE: 10.994519 sp DONE: 12.054668 I've tried this on python 2.6.5 on CentOS x64, 2.7.2 on Windows x86 and the factorial thread does not return from start on either of them until the thread is done executing. I've also tried this with PyPy 1.8.0 on Windows x86, and there result is slightly different. The start does return immediately, but then the join doesn't time out! sleep_thread test st.start: 0.001000 st.join: 2.001000 sleep alive: True spin_thread test sp.start: 0.000000 sp DONE: 0.197000 sp.join: 0.236000 sp alive: False factorial_thread test ft.start: 0.032000 ft DONE: 9.011000 ft.join: 9.012000 ft alive: False st DONE: 12.763000

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  • flXHR - getting started (a simple question)

    - by Yaron
    Hello, I am trying to use the flXHR javascript library for making cross-domain calls. I got stuck at the begining. As they say in the docs, I copied the /deploy directory's content to a /scripts directory. All the dependencies are supposed to be included in the flXHR download. This is my html, which returns several errors: the errors: y.base_path is undefined y.checkplayer is undefined y.ua is undefined E.attachEvent is not a function thanks

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  • How do I create drop lines while dragging a menu item on a WinForm?

    - by Bryan
    I want to mimic the functionality of Google Chrome/FireFox for example, when rearranging your bookmarks, when you are dragging the menu item, it creates a black line at the proposed drop point, like this: I've already implemented the Drag/Drop functionality to rearrange the menu, but I would like to add these separator lines as an additional feature. Is there a way to do this within the .NET Framework (3.5) or shall I have to resort to Win32 api calls? Just wanted to ask before I went down that path.

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  • Dynamic linking in Visual Studio

    - by ILya
    I have to link dynamically with OpenSSL libeay32.dll. I'm writing native c++ console application using Visual C++ Express 2008. I'm including a header evp.h from OpenSSL distribution. Building and...: error LNK2001: unresolved external symbol _EVP_aes_256_cbc error LNK2001: unresolved external symbol _EVP_DecryptInit error LNK2001: unresolved external symbol _EVP_CIPHER_CTX_init How to make calls to libeay32.dll methods? I don't know where to specify it's filename

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