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  • Hibernate between OS X and Bootcamp Win 7

    - by Willem
    Wouldn't it be great if someone wrote a guide or an app which allowed you to switch instantly between OS X and Windows using Hibernate in both OS:s? Windows 7 already has an option "Hibernate" which allows you to boot back to your OS X partition, but OS X does not exactly offer the same. However, there are possibilities here. It seems that the recent Mac's have 3 different kinds of sleeping mode: Sleep: Low power consumption, RAM still active. Legacy Safe Sleep: No power consumption(?), writes RAM to disk and shuts down (is this the same as Hibernate?) Safe Sleep: Writes RAM to disk and enters sleep mode. If battery level drops too low it goes into Hibernate (is this Hibernate the same as #2 in this list? This is the Hibernate I will be referring to int he rest of this post) It seems that I am unable to force my MacBook Pro (Late 2011) OS X 10.7.3 into a true hibernate using either command line or apps that are supposed to do this. I believe the Mac should show that white loading bar whilst waking up if it was truly put into hibernate (which it does not). But I can get this white bar to show by letting my battery level drop to 0% so there is obviously a system function for it (obviously, duh! :). When Win 7 goes into hibernate it shuts down completely and you can then boot into OS X on startup. On OS X however, hibernate forces you to wake up into OS X. Can you hack this so that you're allowed to select boot partition after OS X hibernates? Would it be possible to use the true hibernate system functionalities of Win 7 and OS X to create a kind of instant switching between the two? Imagine this on a quick SATA-3 SSD like my 180GB Intel 520. Thanks / Willem

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  • Setup requires .NET 4.0 - System already has .net 4.0

    - by Willem
    Hi all, I created a service which I now want to install to test, I created a setup program from the templates in VS2010. When running the setup program it prompts me to download and install .net fw 4.0, but I already have it installed. I did try to just install the file that I get pointed to (4.0 cliet), but not only does it still not work, it causes vs2010 to throw an unknown error and can't open. I've now uninstalled everything (including vs2010 beta) and started afresh with VS2010 ultimate trial full version, framework 4.0 and win 7 but it still prompts me to install fw 4.0 when I try to run the setup. Can anyone please point me in the right direction? Thanx in advance Willem

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  • Setup program needs framework 4.0 - But it's already installed

    - by Willem
    Hi all, I created a service which I now want to install to test. When running the setup program it prompts me to download and install .net fw 4.0, but I already have it installed. I did try to just install the file that I get pointed to (4.0 cliet), but not only does it still not work, it causes vs2010 to throw an unknown error and can't open. I've now uninstalled everything and started afresh with VS2010, framework 4.0 and win 7 but it still prompts me to install fw 4.0 when I try to run the setup. Can anyone please point me in the right direction? Thanx in advance Willem

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  • Google Javascript v8 - multithreading

    - by willem
    Hi guys Suppose I have the following piece of code bool run (void) { HandleScope hande_scope; Handle<String> source; Local<Script> script; Persistent<Context> context; context = Context::New(); Context::Scope context_scope(context); script = Script::Compile("var a = 1; var b = 2;"); Local<Value> result = script->Run(); if (result.IsEmpty()) return false; else return true; } Is it true that one cannot execute this code using multiple threads? It seems like HandleScope is not designed to be used in multithreaded applications. I can use the v8::Locker and v8::Unlocker methodes but that would always give me execution traces as this: t1: a = 1 t1: b = 2 t2: a = 1 t2: b = 2 I hope someone can give me a hint on getting this code multithreaded so that a possible execution trace could like this: t1: a = 1 t2: a = 1 t1: b = 2 t2: b = 2 Thanks already in advance! Willem -- EDIT -- So I guess that this question has no answer :)

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  • Cache AJAX requests

    - by Willem
    I am sending AJAX GET-requests to a PHP application and would like to cache the request returns for later use. Since I am using GET this should be possible because different requests request different URLs (e.g. getHTML.php?page=2 and getHTML.php?page=5). What headers do I need to declare in the PHP-application to make the clients browser cache the request URL content in a proper way? Do I need to declare anything in the Javascript which handles the AJAX-request (I am using jQuery's $.ajax function which has a cache parameter)? How would I handle edits which change the content of e.g. getHTML.php?page=2 so that the client doesn't fall back to the cached version? Adding another parameter to the GET request e.g. getHTML.php?page=2&version=2 is not possible because the link to the requested URL is created automatically without any checking (which is preferably the way I want it to be). How will the browser react when I try to AJAX-request a cached request URL? Will the AJAX-request return success immediately? Thanks Willem

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  • No sound from external subwoofer "Sonic Master" on an Asus N76VM

    - by Willem
    A few weeks ago I bought a Asus n76vm notebook looking forward to it's 'superior sound'. This sound system compromises a external subwoofer which amplifies bass and is connected to a special output jack. Ubuntu 12.04, however, does not detect this subwoofer. How could this be solved? Any help would be gratefully appreciated http://www.asus.com/Notebooks/Multimedia_Entertainment/N76VM/#specifications

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  • Asus N76VM: no sound from external subwoofer "Sonic Master"

    - by Willem
    A few weeks ago I bought a Asus n76vm notebook looking forward to it's 'superior sound'. This sound system compromises a external subwoofer which amplifies bass and is connected to a special output jack. Ubuntu 12.04, however, does not detect this subwoofer. How could this be solved? Any help would be gratefully appreciated http://www.asus.com/Notebooks/Multimedia_Entertainment/N76VM/#specifications

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  • Updating password hashing without forcing a new password for existing users

    - by Willem
    You maintain an existing application with an established user base. Over time it is decided that the current password hashing technique is outdated and needs to be upgraded. Furthermore, for UX reasons, you don't want existing users to be forced to update their password. The whole password hashing update needs to happen behind the screen. Assume a 'simplistic' database model for users that contains: ID Email Password How does one go around to solving such a requirement? My current thoughts are: create a new hashing method in the appropriate class update the user table in the database to hold an additional password field Once a user successfully logs in using the outdated password hash, fill the second password field with the updated hash This leaves me with the problem that I cannot reasonable differentiate between users who have and those who have not updated their password hash and thus will be forced to check both. This seems horribly flawed. Furthermore this basically means that the old hashing technique could be forced to stay indefinitely until every single user has updated their password. Only at that moment could I start removing the old hashing check and remove the superfluous database field. I'm mainly looking for some design tips here, since my current 'solution' is dirty, incomplete and what not, but if actual code is required to describe a possible solution, feel free to use any language.

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  • What should happen at the start of a software project startup?

    - by Willem
    A quick introduction My college semesters include a 8 week project working for an actual company with a software need in order to get some much needed practical experience. I have just started such a project with 5 other students. We're required to spend roughly 40 hours a week per student on this project. We're working with SCRUM as the software development method, this was assigned by our teachers. The question Day one of the project just ended which has created some questions for me as to how to start a project in the 'real world'. Our first day included working on a project planning document (not sure what the English term is), creating a appointment with the company for an introduction and the opportunity to start specifying the requirements and setting up some standards for the behavior within the group. However these items didn't take that long to finish. We've made some concrete plans for tomorrow and the day after we'll meet the company. This still leaves several hours of 'work-time' unspent. Is it usual not being able to fill every hour of a day for work at the start of a project or are we simply too inexperienced to see what work needs to be done at this stage of a project, or are we, perhaps, going through the above list too fast? How does this work in the 'real world'? Do you spend your time wondering 'what should I do now', or do you have a clear view of what you're supposed to do at that moment?

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  • Does connection pooling work fine to execute 60 DB queries to load a page?

    - by willem
    We use Linq2Sql in an ASP.NET application. Unfortunately the eager-loading in Linq2Sql isn't as powerful as in Entity Framework, so a lot of the data has to be lazy loaded as needed. Taking connection pooling into account, is it OK for a web page to execute 60 queries to load a page? Executing a single big query probably won't be much better, as those 60 queries will all those connection pooled connections and not open a new connection each time (which I realize is slow). Any thoughts?

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  • ubuntu-overlay-scrollbars set to false shows no arrows in several cases

    - by Willem van Gerven
    I'm running 12.04, and prefer the more conservative style "normal" scrollbars over the overlay scrollbars. I have set them to false in the terminal: gsettings set org.gnome.desktop.interface ubuntu-overlay-scrollbars false However after doing so, with some apps (e.g. Nautilus, Document Viewer) my scrollbars only view a vertical bar, but no arrows on the top and bottom to scroll up and down. With some programs these are shown though, for instance Gummi and Texmaker. It would make a big difference (for instance when having to scroll pdf documents containing several hundreds of pages) to have those arrows reinstated. Is there any way to make this work?

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  • Kunagi LDAP configuration problems

    - by Willem de Vries
    We recently started with Scrum at our company and we wanted to start using Kunagi to test and see how it works. So I installed the kunagi_0.23.2.deb packet that I downloaded from their website, on my Ubuntu 11.04 running in tomcat6 using openjdk-6-jre. everything works fine except I can't get the LDAP to work. I have one AD server and one LDAP at my disposal for testing. For the LDAP I use the following info: -uri: ldap://192.168.1.11:389 -user: some_tested_user -passwd: the_pass -DN: dc=colosa,dc=net -LDAP Filter: (&(objectClass=user)) I tested various LDAP Filters, I don't know if I have the right one. However I get an erro when clicking "test LDAP". The error refers to the DN: Server service call error Calling service TestLdap failed. java.lang.RuntimeException: InvalidNameException: [LDAP: error code 34 - invalid DN] With the AD server I get no error while testing, yet I am not able to login I get: "Login faild" every time. I don't know if this is because of the LDAP Filter I entered, yet I can't get it to work. I have read this http://kunagi.org/iss652.html stating that I need to create my accounts inside Kunagi before I can login. So I did this with no effect. So basically my question is, what causes this DN string error (I am sure mine is right), and what LDAP Filter should i use? Any help would be highly appreciated.

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  • Where to begin with IPv6 [closed]

    - by Willem de Vries
    I am fairly familiar with setting-up IPv4 networks for bigger server configurations, only now I wanted to start familiarizing myself with doing the same for IPv6. I have been Googling for the second night in a row for things like: IPv6 network design, IPv6 for dummies, etc. So far most things you find go on about why IPv6 and the amazing amount of numbers that we have now. Yet I am looking for practical stuff, for example: what would be a good way to assign IP-number, as I understand it DHCP shouldn't be the default course of action. How do other assignment methods work with DNS configuration? what would be a good or standard way of dividing the network in to sub-nets? (database, application, web servers spread over multiple domains/applications and some what intertwined) In short I would like to find good resources with practical information books, webpages, etc.

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  • Why am I unable to add an existing project to my solution in Visual Studio 2008?

    - by willem
    I am unable to add an existing project or an existing item to any project or solution in visual studio 2008 (SP1). I only get an "Operation cannot be completed error". Any ideas? Things I have tried that did not work: ran devenv /resetsettings (no luck) Un-installed Resharper 4.5. (no luck) Repaired Visual Studio from Add/Remove Programs. (no luck) Un-installed AnkhSVN. (no luck) Note I am using Windows 7.

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  • How come my Intel 520 180GB SSD performs extremely poorly?

    - by Willem
    I recently installed a new Intel 520 series 180GB SSD in my brand new MacBook Pro. The system is as follows: Model: MacBook Pro 15-inch, Late 2011 (MacBookPro8,2) Processor: 2.4 GHz Intel Core i7 Memory: 16 GB 1333 MHz DDR3 Graphics: AMD Radeon HD 6770M 1024 MB Software: Mac OS X Lion 10.7.3 Main Drive Bay: Intel 520-series 180GB SATA-3 (6GB/s negotiated link) SSD (Firmware: 400i) [80GB free] Optical Bay: Toshiba 5400 RPM 750GB SATA-2 HDD Trim: Enabled (according to Trim Enabler App) And here are the speeds I'm getting: Read: 412 MB/s Write: 186 MB/s What have I done wrong? Results expected: Read/write both 500MB/s I have seen benchmarks with lesser SSD:s (SATA-2 even) outperform my write-speeds by far. Also, Intel 520 SSD:s are supposed to be the top class of SSD:s. Trim Enabler report: This looks a bit odd compared to screenshots from their site: These is the defined S.M.A.R.T attributes (taken from Intel): And here are my S.M.A.R.T attributes read using smartctl tool from smartmontools: They don't seem very compatible. I'm going to try and look for a S.M.A.R.T attributes reader tool for OS X which might support Intel 520 series.

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  • Linux: prevent outgoing TCP flood

    - by Willem
    I run several hundred webservers behind loadbalancers, hosting many different sites with a plethora of applications (of which I have no control). About once every month, one of the sites gets hacked and a flood script is uploaded to attack some bank or political institution. In the past, these were always UDP floods which were effectively resolved by blocking outgoing UDP traffic on the individual webserver. Yesterday they started flooding a large US bank from our servers using many TCP connections to port 80. As these type of connections are perfectly valid for our applications, just blocking them is not an acceptable solution. I am considering the following alternatives. Which one would you recommend? Have you implemented these, and how? Limit on the webserver (iptables) outgoing TCP packets with source port != 80 Same but with queueing (tc) Rate limit outgoing traffic per user per server. Quite an administrative burden, as there are potentially 1000's of different users per application server. Maybe this: how can I limit per user bandwidth? Anything else? Naturally, I'm also looking into ways to minimize the chance of hackers getting into one of our hosted sites, but as that mechanism will never be 100% waterproof, I want to severely limit the impact of an intrusion. Cheers!

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  • Firefox v15.0 about:newtab inaccessible via the back button

    - by Willem
    As of this morning I upgraded my Firefox to version 15.0. Or well, it did it for me. That's when my issue began. I've configured Firefox so that when I open up a new tab via Ctrl-T that it loads the about:newtab page which was released in version 14.x(?). I use this functionality extensively. I visit a page from the about:newtab page, read it, press the back button and pick another frequent website from the display I want to visit. However as of v15.0 the latter part is no longer functioning, after visiting a website from the about:newtab page the back button will not let me go back to the about:newtab page. Firefox acts as if that history entry was never there. I've tried searching the release notes to see if this change was intentional or a reported bug, but I have not found anything related so far. Is there anyway to (re)configure the new Firefox v15.0 to let me access the about:newtab page via a tab's history? EDIT: It appears that this only affects the initial 'visit' to the about:newtab page when opening a new tab, manually visiting about:newtab will register it as a history entry and allow it to be navigated to via the back and forward buttons. So I guess this changes my question to 'How can I make Firefox 15.0 treat the inital page from a newtab as a history entry'.

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  • How do I suppress script errors when using the WPF WebBrowser control?

    - by willem
    I have a WPF application that uses the WPF WebBrowser control to display interesting web pages to our developers on a flatscreen display (like a news feed). The trouble is that I occasionally get a HTML script error that pops up a nasty IE error message asking if I would like to "stop running scripts on this page". Is there a way to suppress this error checking? NOTE: I have disabled script debugging in IE settings already.

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  • BackgroundWorker.ReportProgress() not updating property and locking up the UI

    - by Willem
    i am using a backgroundWorker to do a long running operation: BackgroundWorker backgroundWorker = new BackgroundWorker() { WorkerSupportsCancellation = true, WorkerReportsProgress = true }; backgroundWorker.RunWorkerCompleted += delegate(object s, RunWorkerCompletedEventArgs args) { }; backgroundWorker.ProgressChanged += delegate(object s, ProgressChangedEventArgs args) { someViewModel.SomeProperty.Add((SomeObject)args.UserState); }; backgroundWorker.DoWork += delegate(object s, DoWorkEventArgs args) { someViewModel.SomeList.ForEach(x => { someViewModel.SomeInterface.SomeMethod(backgroundWorker, someViewModel, someViewModel.SomeList, x); }); }; backgroundWorker.RunWorkerAsync(); Then in SomeInterface.SomeMethod: public void SomeMethod(BackgroundWorker backgroundWorker, SomeViewModel someViewModel//....) { //Filtering happens backgroundWorker.ReportProgress(0, someObjectFoundWhileFiltering); } So, when it comes to: backgroundWorker.ProgressChanged += delegate(object s, ProgressChangedEventArgs args) { someViewModel.SomeProperty.Add((SomeObject)args.UserState);//Adding the found object to the Property in the VM }; On the line someViewModel.SomeProperty.Add((SomeObject)args.UserState);, the set on the Property is not firering and the UI just locks up. What am i doing wrong? Is this the correct way to update the UI thread?

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  • Why am I unable to Debug my ASP.NET website in Visual Studio?

    - by willem
    I used to be able to attach to my w3wp process and Debug my web application, but this is not working anymore. I have no idea what changed to break this. My breakpoints simply have the "breakpoint will currently not be hit. The source code is different from the original version." What I have tried: Did a solution Clean. Did a solution Rebuild. Deleted the bin folder Restarted Visual Studio Restarted IIS Restarted my Computer Added a simple Response.Write to ensure that the latest DLL is being used. It is. Made sure that Debug ASP.NET is checked in my project properties. It is. Made sure that all my projects are compiled in my build configuration. They are. But none of these help. I attach to w3wp, but my breakpoints never get hit. Any ideas?

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  • Why can't I see any data in the Google App Engine *Development* Console?

    - by willem
    I run my google app engine application in one of two ways... Directly by using the application from http://localhost:8080 Or execute unit tests from http://localhost:8080/test When I create entities by using the application directly, the data is visible in the Development Console (dataStore view). However, when I execute the unit tests... even if they succeed and I can put() and get() data, the data does not show in the dataStore view. Any idea why I can't see my data? Even though it is there? Notes: I use GAEUnit for unit tests. the data stored mostly consists of StringProperties(). I use Python and run Django on top of the GAE, don't know if that matters.

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  • Is there a pattern that allows a constructor to be called only from a specific factory and from nowh

    - by willem
    We have a class, say LegacyUserSettingsService. LegacyUserSettingsService implements an interface, IUserSettingsService. You can get an instance of the IUserSettingsService by calling our ApplicationServicesFactory. The factory uses Spring.NET to construct the concrete LegacyUserSettingsService. The trouble is that new developers sometimes do their own thing and construct new instances of the LegacyUserSettingsService directly (instead of going via the factory). Is there a way to protect the constructor of the concrete class so it can only be called from the factory? A well-known pattern perhaps? Note that the concrete class resides in a different assembly (separate from the Factory's assembly, so the internal keyword is not a solution). The factory assembly references the other assembly that contains the concrete class. Any ideas?

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  • Dynamic context menu items

    - by Willem
    I am using Eclipse RCP to build desktop app. When the user invokes a popup menu I'd like to add some items to the menu. Something like a list of "suggested actions" to take for a problem. The pop-up is is on a table and it already has commands on it. What is the right way to implement this?

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