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• How to debug without Visual Studio?

  - by aF

  Hello, Python - c++ dll - c# dll I have a com interop c# dll that is loaded in a wrapper c++ dll throught the .tlb file generated in c# to be used in a python project. When I run in my computer it works fine but when I run in a computer that just got formated it gives: WindowsError: exception code 0xe0434f4d I have the redistribute c++ installed and the .net compact framework 3.5 on the formatted computer. How can I see what is the correct exception on a computer that does not have visual studio installed? How can I debug all of this? I can't debug the dll's itself can I? Note: in my computer all works well so maybe is some dll or file missing. I allready used Dependency Walker to see if there's some dll missing, and nop!

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• Which file is the COM++ object and how do I import it to .NET?

  - by Bad Man

  I'm trying to write a COM++ object wrapper around a Qt widget (control) I wrote so I can use it in future .NET projects. e.g.: public __gc class comWidget; In the compile directory are the .exe, an exe.intermediate.manifest, and the comWidget.obj, and also some other crap files (.pdb, etc). So what/how do I import into .NET? I feel like I'm missing an important step for registering the object or whatever, but all these tutorials are terrible outdated and ridiculously unhelpful (for instance, I'm using the old CLR syntax because I can't find any good docs on the new stuff, thx again M$ for being lazy faggots as usual)

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• Android : How to open youtube links on my facebook messenger app, in the youtube app? [migrated]

  - by dev_android

  I am unable to play YouTube videos from the links I get on my Facebook Messenger app. Here's what happens: A friend of mine posts a video link to me (YouTube link) as a message on Facebook. I receive it on my Android mobile in the Facebook messenger app. I click on it and it shows a Dialogue-Box (you can call that a pop-up) which asks me to choose an app to open the video with. Now earlier, there used to be the video player apps in my mobile along with the internet browsers installed on my mobile that used to come up there. So I would select an internet browser, and it in turn would re-direct me to the "YouTube" app itself. However, now, I am only getting video-players in that Dialogue Box as an option to open the YouTube video, but of course, if I select them, they are not able to stream the video. Has anyone found a way around this problem? It is really bothersome.

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• Why does try_files append each path together?

  - by Tom

  I'm using try_files like this: http { server { error_log /var/log/nginx debug; listen 127.0.0.1:8080; location / { index off default_type application/octet-stream; try_files /files1$uri /files2/$uri /files3$uri; } } } In the error log, it's showing this: *[error] 15077#0: 45399 rewrite or internal redirection cycle while internally redirecting to "/files1/files2/files3/path/to/my/image.png", client: 127.0.0.1, server: , request: "GET /path/to/my/image.png HTTP/1.1", host: "mydomain.com", referrer: "http://mydomain.com/folder" Can anyone tell me why nginx is looking for /files1/files2/files3/path/to/my/image.png instead of /files1/path/to/my/image.png, /files2/path/to/my/image.png and /files3/path/to/my/image.png? Thanks

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• C# : Redirect console application output : How to flush the output?

  - by user93422

  I am spawning external console application and use async output redirect. as shown in this SO post My problem is it seems that the spawned process needs to produce certain amount of output before I get the OutputDataReceived event notification. I want to receive the OutputDataReceived event as soon as possible. I have a bare-bones redirecting application, and here are some observations: 1. When I call a simple 'while(true) print("X");' console application (C#) I receive output event immediately. 2. When I call a 3d party app I am trying to wrap from the command line I see the line-by-line output. 3. When I call that 3d party app from my bare-bone wrapper (see 1) - the output comes in chunks (about one page size). What happens inside that app? FYI: The app in question is a "USBee DX Data Exctarctor (Async bus) v1.0".

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• Known problems with filemtime() on Windows - files getting touched arbitrarily?

  - by Pekka

  Is there a known issue leading to file modification times of cache files on Windows XP SP 3 getting arbitrarily updated, but without any actual change? Is there some service on a standard Windows XP - Backup, Sync, Versioning, Virus scanner - known to touch files? They all have a .txt extension. If there isn't, forget it. Then I'm getting something wrong in my cache routines, and I'll debug my way through. Background: I'm building a simple caching wrapper around a slow web site on a Windows server. I am comparing the filemtime() time stamp to some columns in the data base to determine whether a cached file is stale. I'm having problems using this method because the modification time of the cache files seems to get updated in between operations without me doing anything. THis results in stale files being displayed. I'm the only user on the machine. The operating system is Windows XP, the webserver a XAMPP Apache 2 with PHP 5.2

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• How to intercept deallocate callbacks of Core Foundation objects in Objective-C.

  - by Matteo

  I'm writing an Eiffel wrapper for AppKit and Foundation and I need to hijack all -dealloc methods. Thanks to the dynamic nature of Objective-C it is pretty easy to do that. But the problem is it only works with some of the Foundation or AppKit objects. There are certain objects (e.g. NSString, NSArray, NSDate, ...) that are actually CF objects so the dealloc method doesn't get called. Instead the deallocate callbacks of the allocator that allocated the CF object is called. Is there a way to intercept that?

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• Unable to sign an imported msi.dll assembly using tlbimp

  - by BigMoose

  This seems so trivial, yet I can't get it to work.. I have an msi.dll wrapper (named Interop.WindowsInstaller.dll) which I need to sign. The way to do it is by signing it upon import (this specific case is even documented in MSDN: http://msdn.microsoft.com/en-us/library/zec56a0w.aspx). BUT - no matter how I do it (w/ or w/o a keyfile, w/ or w/o adding "/delaysign"), the generated assemly's size is always 36,864 bytes and when viewing the DLL's properties there is no "Digital Signatures" tab (needless to say - the DLL is NOT signed). What am I missing here?? (... HELP!...)

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• An easy way to replace fread()'s with reading from a byte array?

  - by Sam Washburn

  I have a piece of code that needs to be run from a restricted environment that doesn't allow stdio (Flash's Alchemy compiler). The code uses standard fopen/fread functions and I need to convert it to read from a char* array. Any ideas on how to best approach this? Does a wrapper exist or some library that would help? Thanks! EDIT: I should also mention that it's reading in structs. Like this: fread(&myStruct, 1, sizeof(myStruct), f);

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• C# & C++, runtime error when call C++ dll from C#

  - by 5YrsLaterDBA

  I have written a C++ wrapper DLL for C# to call. The DLL was tested and worked fine with my C++ test program. now integrated with C#, I got runtime error and crashed. Cannot use debugger to see more details. The C++ side has only one method: #ifdef DLLWRAPPERWIN32_EXPORTS #define DLLWRAPPERWIN32_API __declspec(dllexport) #else #define DLLWRAPPERWIN32_API __declspec(dllimport) #endif #include "NB_DPSM.h" extern "C" { DLLWRAPPERWIN32_API int WriteGenbenchDataWrapper(string fileNameToAnalyze, string parameterFileName, string baseNameToSaveData, string logFileName, string& message) ; } in the C# side, there is a definition, [DllImport("..\\..\\thirdParty\\cogs\\DLLWrapperWin32.dll")] public static extern int WriteGenbenchDataWrapper(string fileNameToAnalyze, string parameterFileName, string baseNameToSaveData, string logFileName, ref string message); and a call: string msg = ""; int returnVal = WriteGenbenchDataWrapper(rawDataFileName, parameterFileName, outputBaseName, logFileName, ref msg); I guess there must be something wrong with the last parameter of the function. string& in C++ should be ref string in C#?

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• Is there a Java 1.5 varargs API for slf4j yet?

  - by Josh

  I want to get rid of this lot... public void info(String msg); public void info(String format, Object arg); public void info(String format, Object arg1, Object arg2); public void info(String format, Object[] argArray); ...and replace it with this one... public void info(String format, Object ... args); ...so that my logging syntax doesn't have to change depending on the number of arguments I want to log. There seems to be lots of discussion and work around it, but where is it? Or should I wrap the wrapper that is slf4j?

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• Best way to do TDD in express versions of visual studio(eg VB Express)

  - by Nathan W

  I have been looking in to doing some test driven development for one of the applications that I'm currently writing(OLE wrapper for an OLE object). The only problem is that I am using the express versions of Visual Studio(for now), at the moment I am using VB express but sometimes I use C# express. Is it possible to do TDD in the express versions? If so what are the bast was to go about it? Cheers. EDIT. By the looks of things I will have to buy the full visual studio so that I can do integrated TDD, hopefully there is money in the budget to buy a copy :). For now I think I will use Nunit like everyone is saying.

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• Changing Menu name

  - by Abu Hamzah

  Its too much code to paste here so, I have created demo please have a look at this DEMO My question is, I'm trying to change the name of the Menu from "Home" to "My Home" its quite very simple but I have already spent good amount of time figuring out but no avail.... Yes, I have debugged using firebug too... //html <div class="wrapper"> <div class="wrap"> <div class="header"> <ul class="menu"> <li class="home"><a href="" title="Downloads" class="title">My Home</a></li> <li class="genres"><a href="#" class="title">TEST 123</a></li> </ul> </div> </div> </div> //css: please see the demo

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• jQuery textbox required validation based on another text box having text

  - by doug

  Pretty basic question, however, I am very new to jQuery and javascript in general. I have a jQuery validation that is requiring a text box to have text in it, if a checkbox is checked. <script type="text/javascript"> $(document).ready(function () { $("form").validate( { rules: { Comments: { required: "#IsAbnormal:checked" } }, messages: { Comments: { required: "Comments are required" } }, onkeyup: false, wrapper: "", errorLabelContainer: "#ErrorMessageBox" }); }); Pretty straight forward, if you check the IsAbnormal checkbox, it will throw a validation if there are no comments. What I am trying to do is require a textbox based on if another text box has any text in it, for instance require the old password if a user enters a new password into a textbox. Is there an easy way to get the required: "#NewPassword:NotBlank" to work?

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• .NET platform independant sync framework

  - by Quandary

  Question: I need to synchronize a few ActionScript files from my computer to a network share (backup). I saw a quick fix would be using Microsoft Sync Framework for this, and write a windows service. My problem is I also use Linux, and before I start with MS vendor lockin, is there any sync framework/library/whatever I could use that works accross platform? Or does the MS sync framework work on Linux, too? It is my understanding that it is a wrapper around some com objects, thus it wouldn't work. All I need is synchronizing files. So never mind the database part, although it would be nice to have it, too.

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• Changing background images like this

  - by Azzyh

  If you guys check out this webpage: http://www2.scandvision.se/oresund10/ How have they done this background fade in fade out? When i check the source this <img id="wrapper-background" src="images/body-background-0.jpg" alt="Background" /> and i think theres some kind of script maybe php or js, or both, that every 5 sec changes the background: images/body-background-1.jpg images/body-background-2.jpg images/body-background-3.jpg and so on.. So how did they do this? an example would be great, as i want to learn how to do that. If i was going to do something like this i think i would only manage to do a script in php that randomize everytime you refresh. Thank you, this will expand my knowledge

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• CSS Selector Issue

  - by YsoL8

  Hello html body .home blog logged-in div #wrapper div #page div .cats I have a problem with selecting unordered lists (i.e ul li.class-name class-name-number) at the above dom location in CSS. I am working with a wordpress theme. Basically could I have suggestions for the correct selector to use in order to influence this tag? I can provide a simplified html structure if it will help. I've tried a number of selectors along the lines of: (sometimes)#page (# or .)cats (sometimes)ul li(sometimes with class name) EDIT: I've tried the selectors suggested in the wordpress docs. Thanks!

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• Putting a thread to sleep until event X occurs

  - by tipu

  I'm writing to many files in a threaded app and I'm creating one handler per file. I have HandlerFactory class that manages the distribution of these handlers. What I'd like to do is that thread A requests and gets foo.txt's file handle from the HandlerFactory class thread B requests foo.txt's file handler handler class recognizes that this file handle has been checked out handler class puts thread A to sleep thread B closes file handle using a wrapper method from HandlerFactory HandlerFactory notifies sleeping threads thread B wakes and successfully gets foo.txt's file handle This is what I have so far, def get_handler(self, file_path, type): self.lock.acquire() if file_path not in self.handlers: self.handlers[file_path] = open(file_path, type) elif not self.handlers[file_path].closed: time.sleep(1) self.lock.release() return self.handlers[file_path][type] I believe this covers the sleeping and handler retrieval successfully, but I am unsure how to wake up all threads, or even better wake up a specific thread.

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• Is there a way to ignore Cache errors in Django?

  - by Josh Smeaton

  I've just set our development Django site to use redis for a cache backend and it was all working fine. I brought down redis to see what would happen, and sure enough Django 404's due to cache backend behaviour. Either the Connection was refused, or various other errors. Is there any way to instruct Django to ignore Cache errors, and continue processing the normal way? It seems weird that caching is a performance optimization, but can bring down an entire site if it fails. I tried to write a wrapper around the backend like so: class CacheClass(redis_backend.CacheClass): """ Wraps the desired Cache, and falls back to global_settings default on init failure """ def __init__(self, server, params): try: super(CacheClass, self).__init__(server, params) except Exception: from django.core import cache as _ _.cache = _.get_cache('locmem://') But that won't work, since I'm trying to set the cache type in the call that sets the cache type. It's all a very big mess. So, is there any easy way to swallow cache errors? Or to set the default cache backend on failure?

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• How can I organize my video collection and update meta data?

  - by Pieter Breed

  I have a large collection of downloaded video files containing different movies, tv shows and music videos. I have a FreeNAS box set up that uses Fuppes as a UPnP media server. My media player on Windows correctly detects this UPnP collection and can stream from it fine. However, All of my music videos, tv shows and movies are all sorted under the same 'Videos' group. I would like to seperate the different types of video files so that they can correctly go under 'Recorded TV' or whatever the case may be. Any ideas? I guess I am looking for something like an MP3Tagger but for video files?

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• How to properly set path to media files in Django

  - by sasquatch90

  Hello. I've got a new project, and currently I'm trying to set it correctly. But somehow I can't make my media files work. Here's my current setting : MEDIA_ROOT = os.path.normpath( '/home/budzyk/rails/fandrive/site_media/' ) templates setting work on the other hand : TEMPLATE_DIRS = ( "/home/budzyk/rails/fandrive/templates", ) Catalog with media files is ../fandrive/site-media/ so why it's not working ? Here's my base.html template with styles imported, and firebug window when my page is loaded : <head> <title>{% block title %}{% endblock %}</title> <meta http-equiv="Content-type" content="text/html;charset=UTF-8" /> <link rel="stylesheet" type="text/css" href="{{ MEDIA_URL }}css/style.css" /> {% block pagecss %}{% endblock %} <script type="text/javascript" src="{{ MEDIA_URL }}jquery/jquery-1.4.2.min.js"></script> </head> <body> <div id="wrapper"> http://img237.imageshack.us/img237/4909/21205809.jpg

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• Tool that auto-generate a code for accesing a xml-file

  - by alex

  My application have a configuration xml-file. That file contains more than 50 program settings. At the present time I read and save each program setting separately. I guess It is not effi?iently for such tasks. I need something that can auto-generate a code for load and save my program settings using predefined xml-schema. I found a dataset in Add New Item dialog. Unfortunately, i cannot add new code to dataset1 such as events in set-accessors of properties because of this // Changes to this file may cause incorrect behavior and will be lost if // the code is regenerated. Maybe, there is a tool that allows a user to generate a wrapper for accesing a xml-file ? Such as DataSet1, but with availability to add events.

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• How can I center a box of unknown width in CSS?

  - by NXTBoy

  I have this html: <div class="object-box"> <img ... /> <span class="caption">This is the caption</span> </div> Which is accompanied with this CSS: .object-box .caption, .object-box img { display: block; } .object-box { border: 1px solid; } I would like the surrounding div to shrink-wrap to its contents. I can achieve this by using float: ... or display: inline-block. However, I'd also like it to be centered on the page, using margin: auto. The two approaches don't seem to be compatible. Is it possible to create such a shrink-wrapped, centered container, without adding a wrapper element?

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• Best way to allow fans/users to contribute to a facebook page now that discussions are gone? [migrated]

  - by Scott Beeson

  I run a facebook page with over 23,000 fans. I formerly had users submit recipes to the discussions tab. However, now that it is gone, I'm having difficulty finding a way to let users share recipes. If they simply post it in the stream, it goes away much to quickly. I've tried creating a new note with my personal account and tagging my page, but that does not make it show up in my pages "notes" section. Any ideas would be much appreciated.

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• Adapting methods which return true/false

  - by James P.

  What's the best practise when adapting C-style functions which return a true/false to Java? Here's a simple method to illustrate where the problem lies. public static boolean fileNameEndsWithExtension( String filename, String fileExtension) { return filename.endsWith( fileExtension ); } Note that there's probably a more elegant way of filtering files (feel free to comment on this). Anyway, if filename is a null value, does one: Return a false if filename is null? If so, how does one go about distinguishing between the case where filename is null and the case where the String or file name doesn't end with a given file extension? Change the return type to the wrapper class Boolean which allows a null value. Throw an Exception and force the programmer to make sure that a null value is never passed to the method? Use another solution?

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