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  • Modifying all HTTP requests on iPhoneOS with MobileSubstrate?

    - by Yifan
    I want to write a MobileSubstrate (http://www.iphonedevwiki.net/index.php/MobileSubstrate) addon that takes every HTTP request and modifies the URL. (The reason is very complicated and would take a while to explain, so just trust me that there's not an alternative). Basically, I need to know what's the best Objective-C message or C function that I should overwrite to intercept any HTTP request, modify the URL, and send the request back to the original function (this shouldn't be just the first request sent by an application, but any redirects too). I think it may be in NSURL or CFNetwork, but am not sure where exactly. This function should, when replaced, work with any apps and the OS itself.

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  • QML 5.3 iOS compilation of pure QML app

    - by Nathaniel Johnson
    I have an application written in QML. Initially, I used the standard C++ bootstrap for the app. int main(int argc, char *argv[]) { QApplication app(argc, argv); // A bunch of components and data models written in C++ QQmlApplicationEngine engine; engine.load(QUrl(QStringLiteral("qrc:///main.qml"))); return app.exec(); } The bulk of the app is in QML and the more I work with QML, the happier I am with it and the more I feel comfortable converting the C++ pieces to QML. So, it comes to one risk that I wanted to ask about. If I convert the app to a pure QML application like the kind generated by the Qt Quick UI application wizard with no C++ and designed to be run with qmlscene will I be able to compile it for iOS when the time to port it comes or will I end up just converting it back to the C++ loader form? TL;DR Can pure QML (no C++) apps be compiled and run on iOS devices?

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  • Amazon EC2 Ami recommendations for free tier?

    - by Console
    Amazon web services recently introduced a free tier, where you basically get free stuff to try out AWS and run tiny sites and projects. Basically it's free as long as you remain below a certain limit of bandwidth, disk storage etc. Since going over the limits can quickly become quite expensive (for a hobbyist) I would like some recommendations or suggestions about which AMI's I can run on the free tier, for the purpose of trying out Ruby on Rails and/or Django.

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  • Windows Datacenter 2008 recovery ISO

    - by Will
    Hello, I am using virtualBox with windows datacenter to play around with some web development. The last time I had to shut down the computer, it installed an update and shut down normally. When I rebooted, it started doing a checkdisk and processed a bunch of files (from hard poweroffs before mabey). Now when I start, I get a bluescreen of death every time it loads (Safe mode,etc) I have googled around for a boot / recovery disk, but can't seem to find one for datacenter. Cheers -Will

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  • how to install SystemTap on Ubuntu

    - by jeevan thapa
    I am new to Ubuntu. I follow the instruction from http://sourceware.org/systemtap/wiki/SystemtapOnUbuntu that is necessary to install SystemTap on Ubuntu. I lost in Step 4. How can i run step 4: ? Setp 4: sudo apt-get install elfutils, for eu-readelf Then run this script as root, whenever you install additional debug symbols for file in `find /usr/lib/debug -name '*.ko' -print` do buildid=`eu-readelf -n $file| grep Build.ID: | awk '{print $3}'` dir=`echo $buildid | cut -c1-2` fn=`echo $buildid | cut -c3-` mkdir -p /usr/lib/debug/.build-id/$dir ln -s $file /usr/lib/debug/.build-id/$dir/$fn ln -s $file /usr/lib/debug/.build-id/$dir/${fn}.debug done This makes available the module probes available and is friendly to other debug symbol savvy apps like gdb and oprofile. This convention should make it's way into Ubuntu in the near future.

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  • Can anyone recommend a decent tool for optimizing images other than Photoshop

    - by toomanyairmiles
    Can anyone recommend a decent tool for optimising images other than adobe photoshop, the gimp etc? I'm looking to optimise images for the web preferably online and free. Basically I have a client who can't install additional software on their work PC but needs to optimise photographs and other images for their website and is presently uploading 1 or 2 Mb files. On a personal level I'm interested to see what other people are using...

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  • Creating an instance with a specified name, or renaming an instance name after it got created?

    - by Franck Dernoncourt
    I created 4 instances on OpenStack using euca-run-instances -k Franck -n 4 ami-00000023f. The created instances have the following instance names (as listed on OpenStack's Horizon web interface) Server b00b1b04-e9f9-4582-86ca-f5773a465f42-b00b1b04-e9f9-4582-86ca-f5773a465f42 Server 4d765b51-0511-474c-98f0-ef6199a23c7f-4d765b51-0511-474c-98f0-ef6199a23c7f Server 378964ac-630e-4490-b738-383bed6bacb1-378964ac-630e-4490-b738-383bed6bacb1 Server b00b1b04-e9f9-4582-86ca-f5773a465f42-b00b1b04-e9f9-4582-86ca-f5773a465f42 Is there any way to create an instance with a specified name, or to rename an instance name after it got created?

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  • Do I need to rebuild application after adding a new iPhone in ad hoc distribution?

    - by RaYell
    I'm using Ad Hoc distribution to send preview/beta version of my iPhone apps to customers for approval. I'm always sending a zipped application and mobileprovision files. Sometimes however I encountered situation when nothing in the application changed but we needed to add a new device for testing. I've added a device in Provisioning portal and assigned it to a provisioning profile my application uses for ad hoc distribution. I've downloaded new mobileprovision file and imported it to xcode now the question is do I need to rebuild the application to enable the app on a new device or would it be enough to just send old build with updated mobileprovision file?

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  • Celery and Django : How to start at boot in production env (linux)

    - by llazzaro
    Hello, I have and app that uses celery and django to run distribuited tasks (like send email, crawl web,etc). The app never wa sin prod, so I always start celeryd with ./manage celeryd. I want to setup a pre-post env in linux, and I will need information in how to make an init.d script for start the celeryd for django. (I had made some init.d scripts before, no need complete script just relevant part) Thanks!

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  • Datacenter Power Consumption Table

    - by Keith
    Does anyone know of a good centralized resource that contains a consolidated list of server specifications relevant to the data center? Looking for Rack U sizing, power consumption, etc. for different branded servers directly from vendor web sites proves difficult - especially for legacy equipment.

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  • splitting A and MX records

    - by market
    I have a domain name which currently points to a shared hosting service. I've set up a dedicated Apache server for the web hosting, but would like to keep using the mail server of the old host. Is the correct way to do this to add an A record that points to the IP of the new server, and an MX record that points to the hostname of the mail server? does anything need to be done with the NS records?

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  • making use of c++ to speed up php

    - by Ygam
    I saw this post on Sitepoint quoting a statement by Rasmus Lerdorf which goes (according to Sitepoint) as follows: "How can you make PHP fast? Well, you can’t" was his quick answer. PHP is simply not fast enough to scale to Yahoo levels. PHP was never meant for those sorts of tasks. "Any script based language is simply not fast enough". To get the speed that is necessary for truly massive web systems you have to use compiled C++ extensions to get true, scaleable architecture. That is what Yahoo does and so do many other PHP heavyweights. Intrigued by the statement (not to mention the fact that up to now, all I was doing in PHP was small database-based apps), I was wondering how I could "use compiled C++ extensions" with PHP. Any ideas or resources?

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  • rundll32 gets stuck when running games on windows 7 [closed]

    - by Midhat
    When I run a game on my windows 7 laptop, Rundll32 completely uses up one of my cores and the game wont start. By searching the web I have been able to fix it by 1 - Disabling game info collection/updation from the games explorer. It solved the problem for some games but not all 2 - Killing the game exe once rundll32 gets stuck and restarting the game This has solved the problem for now, but is there a proper and permanent solution to this?

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  • Is it possible to run vim in remote mode on another machine?

    - by Leonid Shevtsov
    Hi, I run an Ubuntu server virtualbox under a Windows host for web development. At the moment I do all editing in Vim running inside PuTTY. It runs pretty well, but lacks some useful features like native copypasting from the host. I know about the remote mode of Vim, but afaik it can only operate on the same machine. Question is, is it possible to make gVim on the windows host proxy all the commands (and the editing) to a Vim instance running on the Linux guest?

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  • Generate non-identity primary key

    - by MikeWyatt
    My workplace doesn't use identity columns or GUIDs for primary keys. Instead, we retrieve "next IDs" from a table as needed, and increment the value for each insert. Unfortunatly for me, LINQ-TO-SQL appears to be optimized around using identity columns. So I need to query and update the "NextId" table whenever I perform an insert. For simplicity, I do this immediately creating the new object. Since all operations between creation of the data context and the call to SubmitChanges are part of one transaction, do I need to create a separate data context for retrieving next IDs? Each time I need an ID, I need to query and update a table inside a transaction to prevent multiple apps from grabbing the same value. Is a separate data context the only way, or is there something better I could try?

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  • How to configure bugzilla to not advance to next bug when updating?

    - by WilliamKF
    By default, when you apply changes to a Bugzilla entry, the web interface advances to the next bug in your list. I would like to disable this feature since it is almost never what I desire, planning to make further updates later. Further, I often update the wrong bug subsequently due to its changing the current bug without my noticing. How do I configure Bugzilla to not advance like this?

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  • How do I authenticate a Twitter user and access the API without leaving my iPhone app?

    - by thebossman
    I'd like to allow users to send out Tweets from my iPhone app. That's all the functionality I need at the moment. From what I know of the Twitter API, there's a standard authentication mechanism, which allows the developer to include the user's name and password in the request string that the application sends to Twitter. This method will no longer be supported come June 30, 2010. Given the timeframe, the better other choice is oAuth. One of the caveats of oAuth is that it requires a UIWebView to pop up within the app to allow the user to enter his or her credentials or a PIN number. None of the Twitter apps on my phone do this, however: Tweetie, TweetDeck and Twitterific. I assume they're using the first authentication method, but it seems like Twitter wouldn't deprecate an API that would hurt the user experience across the board. There must be an alternative method--what am I missing?

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