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  • How can I troubleshoot an APPCRASH in Internet Explorer?

    - by Schnapple
    I'm writing an ActiveX control using the firebreath framework (hi taxilian!) and while it technically works, I'm running into a weird issue that appears to be unique to me. I've followed the instructions to create a simple plugin and then I ran it in Internet Explorer 8 on Windows 7 x64 (firebreath sets up a test page for the control). But as soon as I try to test it (clicking on a link that fires off JavaScript to interact with the control), IE crashes. Hard. "Internet Explorer has stopped working" style. If I try the control in Firefox (the resulting registered DLL can also be called as a Firefox plugin using a MIME type), it works fine. If I try it on my XP box, it works fine. I emailed the DLL and the testing page to a coworker in the next cube who is like me also running Windows 7 x64 and it works for him just fine as well, so it's not something unique to Windows 7 or x64. When it crashes I get this message: Problem signature: Problem Event Name: APPCRASH Application Name: iexplore.exe Application Version: 8.0.7600.16385 Application Timestamp: 4a5bc69e Fault Module Name: RPCRT4.dll Fault Module Version: 6.1.7600.16385 Fault Module Timestamp: 4a5bdb3b Exception Code: c0000005 Exception Offset: 000220b1 OS Version: 6.1.7600.2.0.0.256.1 Locale ID: 1033 Additional Information 1: 0a9e Additional Information 2: 0a9e372d3b4ad19135b953a78882e789 Additional Information 3: 0a9e Additional Information 4: 0a9e372d3b4ad19135b953a78882e789 Which tells me nothing extremely useful. I can have it attach to a debugger but it just tells me a long list of DLL's, none of which are the ActiveX control in question. It's almost like it's not even getting there. I did a sfc /scannow yesterday to see if anything on my system is corrupt and nothing came up as wrong. I tried various different security levels in IE, but nothing seems to have any effect. As this is a development machine there has been all matter of crap installed on it, so I figure it's bound to be something I've installed since October (when Win7 was released) but I cannot figure out what it is. I presume the information it's giving me when I attach to Visual Studio is useful somehow but I don't know how to interpret it. Admittedly I'm mainly a C#/.NET developer who's a bit out of his element with C/C++ and troubleshooting native code, but does anyone have any advice on how to proceed on figuring out why this very simple ActiveX control crashes IE on my machine and nowhere else?

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  • How to set-up DSL dialer for Ubuntu 12.04 LTS

    - by Mohammad Yaseen
    I have just installed Ubuntu 12.04 LTS and I'm unable to get my DSL dialer working properly. To set this up in Windows 7 I had to do following: Control Panel --- Network and Intertnet Network and sharing center --- Setup a new network or connection Connect to the internet --- Broadband PPPoE Enter username and Password.. CLick 'Connect' and Done. I am doing following steps in Ubuntu with no luck: Click on 'Two Arrows' (i don't know what they are called) on upper right corner. Configure VPN --- DSL tab --- Add Then I entered username, password, MAC address and Clone MAC address (copied from Auto Ethernet). Save The same set up used to work with Ubuntu 10.10 but it is not working here. Now whenever I click on DSL Connection 1 to connect dialer 'Auto Ethernet' gets disconneted and I end up with no Internet connection. I am new to Ubuntu, Please suggest some easy steps. I have installed ubuntu alongside windows. And dialer works fine in Windows environment, i am writing this in Windows .

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  • Why should I use Zend_Application?

    - by Billy ONeal
    I've been working on a Zend Framework application which currently does a bunch of things through Zend Application and a few resource plugins written for it. However, looking at this codebase now, it seems to me that using Zend_Application just makes things more complicated; and a plain, more "traditional" bootstrap file would do a better job of being transparent. This is even more the case because the individual components of Zend -- Zend_Controller, Zend_Navigation, etc. -- don't reference Zend_Application at all. Therefore they do things like "Well just call setRoute and be on your way," and the user is left scratching their head as to how to implement that in terms of the application.ini configuration file. This is not to say that one can't figure out what's going on by doing spelunking through the ZF source code. My problem with that approach is that it's to easy to depend on something that's an implementation detail, rather than a contract, and that all it seems to do is add an extra layer of indirection that one must wade through to understand an application. I look at pre ZF 1.8 example code, before Zend_Application existed, and everywhere I see plain bootstrap files that setup the MVC framework and get on their way. The code is clear and easy to understand, even if it is a bit repetitive. I like the DRY concept that Application gets you, but particularly when I'm assuming first people looking at the app's code aren't really familiar with Zend at all, I'm considering blowing away any dependence I have on Zend_Application and returning to a traditional bootstrap file. Now, my concern here is that I don't have much experience doing this, and I don't want to get rid of Zend_Application if it does something particularly important of which I am unaware, or something of that nature. Is there a really good reason I should keep it around?

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  • Is shipping a Clojure desktop app realistic?

    - by Cedric Martin
    I'm currently shipping a desktop Java application. It is a plain old Java 5 Java / Swing app and so far everything worked nicely. Java 5 was targetted because some users were on OS X version / computers that shall never have Java 6 (we may lift this limitation soon and switch to a newer Java and simply abandoning my users stuck with Java 5). I'm quickly getting up to speed with Clojure but I haven't really done lots of Clojure-to-Java and Java-to-Clojure yet and I was wondering if it was realistic to ship a Clojure desktop application instead of a Java application? The application I'm shipping is currently about 12 MB with all the .jar so adding Clojure doesn't seen to be too much of an issue. My plan would be to have Clojure call Java APIs: my application is already divided in several independent jars. If I understand correctly calling Clojure from Java is harder than calling Java code from Clojure which is why I'd basically rewrite all the UI (part of the UI, mixing Swing components and self-made BufferedImages needs to be rewritten anyway due to the rise of retina display), and do all the 'wiring' from Clojure. So that's the problem I'm facing: is it realistic to ship a Clojure desktop app? (it certainly doesn't seem to be very widespread but then shipping plain Java desktop apps ain't that common either and I'm doing it anyway) Technically, what would need to be done? (compared to shipping a Java app)

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  • Internet Explorer Warning when embedding Youtube on HTTPS site?

    - by pellepim
    Our application is run over HTTPS which rarely presents any problems for us. When it comes to youtube however, the fact that they do not present any content over SSL connections is giving us some head ache when trying to embed clips. Mostly because of Internet Explorers famous little warning message: "Do you want to view only the webpage content that was delivered securely? This page contains content that will not be delivered using a secure HTTPS ... etc" I've tried to solve this in several ways. The most promising one was to use the ProxyPass functionality in Apache to map to YouTube. Like this: ProxyPass: /youtube/ http://www.youtube.com ProxyPassReverse: /youtube/ http://www.youtube.com This gets rid of the annoying warning. However, the youtube SWF fails to start streaming The SWF i manage to load into the browser simply states : "An error occurred, please try again later". Potential solutions are perhaps: Download youtube FLV:s and serve them out of own domain (gah) Use custom FLV-player and stream only FLV:s from youtube over a https proxy? Update 10 March: I've tried to use Googles Youtube API for ActionScript to load a player. It looked promising at first and I was able to load a player through my https:// proxy. However, the SWF that is loaded contains loads of explicit calls to different non-ssl urls to create authentication links for the FLV-stream and for loading different crossdomain policies. It really seems like we're not supposed to access flv-streams directly. This makes it very hard to bypass the Internet Explorer warning, short of ripping out the FLV:s from youtube and serving them out of your own domain. There are solutions out there for downloading youtubes FLV:s. But that is not compliant with the Youtube terms of use and is really not an option for us.

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  • Architectural and Design Challenges with SOA

    With all of the hype about service oriented architecture (SOA) primarily through the use of web services, not much has been said about potential issues of using SOA in the design of an application. I am personally a fan of SOA, but it is not the solution for every application. Proper evaluation should be done on all requirements and use cases prior to deciding to go down the SOA road. It is important to consider how your application/service will handle the following perils as it executes. Example Challenges of SOA Network Connectivity Issues Handling Connectivity Issues Longer Processing/Transaction Times How many of us have had issues visiting our favorite web sites from time to time? The same issue will occur when using service based architecture especially if it is implemented using web services. Forcing applications to access services via a network connection introduces a lot of new failure points to the application. Potential failure points include: DNS issues, network hardware issues, remote server issues, and the lack of physical network connections. When network connectivity issues do occur, how are the service clients are implemented is very important. Should the client wait and poll the service until it is accessible again? If so what is the maximum wait time or number of attempts it should retry. Due to the fact of services being distributed across a network automatically increase the responsiveness of client applications due to the fact that processing time must now also include time to send and receive messages from called services. This could add nanoseconds to minutes per each request based on network load and server usage of the service provider. If speed highly desirable quality attribute then I would consider creating components that are hosted where the client application is located. References: Rader, Dave. (2002). Overcoming Web Services Challenges with Smart Design: http://soa.sys-con.com/node/39458

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  • Pay in the future should make you think in the present

    - by BuckWoody
    Distributed Computing - and more importantly “-as-a-Service” models of computing have a different cost model. This is something that sounds obvious on the surface but it’s often forgotten during the design and coding phase of a project. In on-premises computing, we’re used to purchasing a server and all of the hardware infrastructure and software licenses needed not only for one project, but several. This is an up-front or “sunk” cost that we consume by running code the organization needs to perform its function. Using a direct connection over wires you’ve already paid for, we don’t often have to think about bandwidth, hits on the data store or the amount of compute we use - we just know more is better. In a pay-as-you-go model, however, each of these architecture decisions has a potential cost impact. The amount of data you store, the number of times you access it, and the amount you send back all come with a charge. The offset is that you don’t buy anything at all up-front, so that sunk cost is freed up. And financial professionals know that money now is worth more than money later. Saving that up-front cost allows you to invest it in other things. It’s not just that you’re using things that now cost money - it’s that the design itself in distributed computing has a cost impact. That can be a really good thing, such as when you dynamically add capacity for paying customers. If you can tie back the cost of a series of clicks to what a user will pay to do so, you can set a profit margin that is easy to track. Here’s a case in point: Assume you are using a large instance in Windows Azure to compute some data that you retrieve from a SQL Azure database. If you don’t monitor the path of the application, you may not know what you are really using. Since you’re paying by the size of the instance, it’s best to maximize it all the time. Recently I evaluated just this situation, and found that downsizing the instance and adding another one where needed, adding a caching function to the application, moving part of the data into Windows Azure tables not only increased the speed of the application, but reduced the cost and more closely tied the cost to the profit. The key is this: from the very outset - the design - make sure you include metrics to measure for the cost/performance (sometimes these are the same) for your application. Windows Azure opens up awesome new ways of doing things, so make sure you study distributed systems architecture before you try and force in the application design you have on premises into your new application structure.

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  • Using Linux as guest on vmware and sharing connection with windows vista

    - by mike
    I been trying for weeks with vmwware player, now d/l vmwware work station 7, Have a laptop with one built in modem and a usb modem I bought, It works great switching it over from host to use in ubuntu to connect to the net, now when I use that modem from the host to connect online I have no trouble getting ubuntu to share the internet connection, But tried with NAT bridge host and all to get it to work from ubuntu to share the internet connection to windows vista, the host, I know it should work if it works the other way around, I tried setting up my wlan0 eht0 and eth1 to the correct IP can get both systems to notice each other by name and ip, but cant get them to share the connection from guest to host, I've tried iptables and all as well, Can someone please help me out with this? I am sure It is something something I'm over looking, Thanks in advance

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  • Ubuntu 12.04 wired ethernet not working and wireless not working, How do I fix it?

    - by Eloy
    I am new to ubuntu. I recently installed the latest ubuntu for desktop from http://www.ubuntu.com/download. I was very excited to start using ubuntu until I booted the computer and saw that i couldn't connect to the internet at all. I have spent hours trying to figure this out. I keep running into people suggesting installing drivers etc. I have tried about everything and nothing seems to work. I have the ethernet cable connected to the computer but it doesn't recognize it. I ran the following: lspci | grep -i eth and I get this 09:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5752 Gigabit Ethernet PCI Express (rev 02) Any help would be much appreciated. I am kind of bummed I have spent all this time tyring to get the internet to work and haven't even gotten to use the power of ubuntu Update copied from comment: Changing the Ethernet cable to a different one fixed the problem.

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  • Ask the Readers: How Do You Score Free Wi-Fi While Traveling?

    - by Jason Fitzpatrick
    The holiday season is in full swing and that means many of us will be traveling–and searching for Wi-Fi nodes in the process. Help your fellow readers out by sharing your best Wi-Fi finding tips and tricks. Internet access is a necessity for the modern traveler but finding it is a bit more difficult than simply plugging into your home Wi-Fi. This week we want to hear all about your tips, tricks, and methods for scoring free Wi-Fi service in your interstate (and even international) travels. How do you keep the bounty of the internet flowing to your laptops, netbooks, tablets, and smart phones as you traverse the world? Sound off in the comments with your best tips and then check back on Friday for the What You Said roundup. HTG Explains: Understanding Routers, Switches, and Network Hardware How to Use Offline Files in Windows to Cache Your Networked Files Offline How to See What Web Sites Your Computer is Secretly Connecting To

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  • External modules security

    - by Jlouro
    I am developing some external modules for an application. These modules are BPL files and if present in the application folder the application loads them and uses whatever is available inside. How can I prevent the sharing of these modules by my clients? I need them to be authorized to use the modules (module by module). To have some sort of license, registration of the module, what is the best method? Thanks

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  • Ubuntu 12.10 not properply working on Asus u46E after Update

    - by John Oakland
    I recently installed the latest Ubuntu update on my laptop and since then, the alignment on the browser is messed up, the mouse is not working, and I can't connect to the internet. Before it was working perfectly. Any ideas on what to do? Thanks for any feedback FYI: I am right now using windows since I have both linux and windows on my laptop. Also, when booting I do have the option to boot previous ubuntu versions, when I boot the previous unbuntu version on my laptop, everything works accept except the internet. (the mouse works, alignment is proper)

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  • GTK app: How do I create a working indicator with Qt/C++?

    - by hakermania
    I've tried in 2 forums, but I had no luck so far. So, I am using Qt IDE in order to build my application so as to participate to the Ubuntu Showdown contest. In my application, I've done the following: void show_app(MainWindow *data) { //this works fine: app_indicator_set_status(appindicator, APP_INDICATOR_STATUS_PASSIVE); //this crashes the application: data->show(); } void MainWindow::make_indicator() { if(appindicator){ //appindicator has already been created return; } appindicator = app_indicator_new("Format Junkie Indicator", "formatjunkie", APP_INDICATOR_CATEGORY_APPLICATION_STATUS); GtkWidget* showapp_option; GtkWidget* indicatormenu = gtk_menu_new(); GtkWidget* item = gtk_menu_item_new_with_label("Format Junkie main menu"); gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), indicatormenu); showapp_option = gtk_menu_item_new_with_label("Show App!"); g_signal_connect(showapp_option, "activate", G_CALLBACK(show_app), this); gtk_menu_shell_append(GTK_MENU_SHELL(indicatormenu), showapp_option); gtk_widget_show_all(indicatormenu); app_indicator_set_status(appindicator, APP_INDICATOR_STATUS_ACTIVE); app_indicator_set_attention_icon(appindicator, "dialog-warning"); app_indicator_set_menu(appindicator, GTK_MENU (indicatormenu)); } So, basically I am trying to make a simple indicator entry, which, on click, it will hide the indicator and display the application. The indicator can be successfully hidden using the PASSIVE thingy over there, but, during the call data-show();, the application crashes. Any help on what I am doing wrong would be appreciated! Also, please help me to correct this problem I'm facing (alternatively, I will migrate to the old and good tray icon (it works fine in 12.04, anyway) which I can handle very easily and efficiently)

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  • Using pkexec policy to run out of /opt/

    - by liberavia
    I still try to make it possible to run my app with root priveleges. Therefore I created two policies to run the application via pkexec (one for /usr/bin and one for /opt/extras... ) and added them to the setup.py: data_files=[('/usr/share/polkit-1/actions', ['data/com.ubuntu.pkexec.armorforge.policy']), ('/usr/share/polkit-1/actions', ['data/com.ubuntu.extras.pkexec.armorforge.policy']), ('/usr/bin/', ['data/armorforge-pkexec'])] ) additionally I added a startscript which uses pkexec for starting the application. It distinguishes between the two places and is used in the Exec-Statement of the desktopfile: #!/bin/sh if [ -f /opt/extras.ubuntu.com/armorforge/bin/armorforge ]; then pkexec "/opt/extras.ubuntu.com/armorforge/bin/armorforge" "$@" else pkexec `which armorforge` "$@" fi If I simply do a quickly package everything will work right. But if I package with extras option: quickly package --extras the Exec-statement will be exchanged. Even if I try to simulate the pkexec call via armorforge-pkexec It will aks for a password and then returns this: andre@andre-desktop:~/Entwicklung/Ubuntu/armorforge$ armorforge-pkexec (armorforge:10108): GLib-GIO-ERROR **: Settings schema 'org.gnome.desktop.interface' is not installed Trace/breakpoint trap (core dumped) So ok, I could not trick the opt-thing. How can I make sure, that my Application will run with root priveleges out of opt. I copied the way of using pkexec from synaptic. My application is for communicating with apparmor which currently has no dbus interface. Else I need to write into /etc/apparmor.d-folder. How should I deal with the opt-build which, as far as I understand, is required to submit my application to the ubuntu software center. Thanks for any hints and/or links :-)

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  • Cable connection takes a lot to establish

    - by user162237
    I've just installed Xubuntu on my computer. It's all OK, but I have a problem with the internet connection: when I boot the PC and I login into Xubuntu it says to me "Cable connection disconnected" or "No cable connection". After a while (like 40 seconds) it connects to the internet and then I'm able to surf the net. I was wondering: why it takes so long to establish a connection? I had no problems of this kind on Windows or other distributions. EDIT: here are some outputs: http://pastebin.com/8nWFC5BV

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