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• PDF Icon changes to blank in Dropbox folder

  - by Windows8Fanatic

  Strange enough, the PDF reader icon corrupts in my Dropbox folder on my Windows 8 machine. I am using Windows 8 x64 Pro. If I change the "open with" to some other reader and then back to Adobe Acrobat Reader, it shows the PDF icon and preview of the PDF file. But somehow it MAGICALLY corrupts sometime later and the PDF file gets a blank icon. Possibly corruption of thumbs.db in Dropbox during synchronization? This screenshot is in the root folder of my Dropbox folder on my Windows 8 machine.

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• Java Custom exception throw behaves differently between different Projects

  - by Pablo

  I am attempting to call the following in my code: public void checkParticleLightRestriction(Particle parent) throws LightException { if ( parent == null ) { throw new LightException("quantum-particle-restrict.23", this); } In one Project the exception is thrown and the effect is similar to calling "return" whereby I am returned back to the point immediately succeeding where this method was called. However in another Project I get thrown completed out of the current package and to a point way prior to the point preceeding this method. It likes instead of being kicked out of a bar I am being deported all the way out of the country. My option are the wrap the throw in a try / catch but I am wondering why this difference in behaviour beween the 2 projects ?

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• Slow Gmail attachment download over HTTPS

  - by Todd

  It only affects Gmail. I have tested other HTTP, FTP and HTTPS websites and downloading is fine, at the exact same time the problem is affecting a Gmail attachment download. The symptoms include both: High waiting time, before the download starts (on the order of 30 seconds); AND Very slow download transfer speeds (on the order of 1kbps) It's a very strange problem, and I didn't find any recent issues relating to Google Australia. The account works fine at another site with a different ISP, so it's either a computer configuration or ISP - I lean to the latter.

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• How can I implement drag-out-to-delete in Flex?

  - by Chris R

  I have a List component from which I'd like to be able to remove items using drag & drop, but without having a specific target. If you use the mac, the behaviour I'm looking for is something like what the Dock uses; when you drag something out of the bounds of the control it should get an icon that indicates that it'll be deleted (OSX uses a cloud or something?) and then if you release it it will be removed from the list. How can I do this? (If I need to provide a more clear description, please comment; I'll fill in what I can)

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• Does the XML specification states that parser need to convert \n\r to \n always, even when \n\r appe

  - by mic.sca

  Hi, I've stumbled in a problem handling the \line-feed and \carriage-return characters in xml. I know that, according to http://www.w3.org/TR/REC-xml/#sec-line-ends, xml processors are required to replace any "\n\r" or lone "\r" sequences with "\n". The specification states that this has to be the behaviour for handling any "external parsed entity", does this apply to CDATA sections inside of an element as well? thank you, Michele I'm sure that msxml library for example converts every \n\r" or lone "\r" sequences to "\n", regardless of their being in a cdata section or not.

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• HP C4400 is paper out

  - by borges

  I have a HP C4400 printer and it claims to be out of paper (which is not true) and don't even try to pull the paper. I have already followed these instructions with no success: http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00786157&cc=us&lc=en&dlc=en&product=3418705 Two strange things: I used the printer successfully minutes before this problem. It prints its test page successfully (by pressing the cancel and color buttons simultaneously). How can I fix this problem? PS: Sorry about the creepy english.

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• Windows 8 Permissions

  - by Dane Balia

  I, 2 days ago, completed a standard Windows 8 installation. It was a fresh install, however Windows 7 was on the disk prior to which it migrated to Windows.old. But for some strange and weird reason, I am struggling to 'write' to my disk in regards to .NET Applications. It appears that none of my .NET (self-written) applications can write to their log files on disk, which are created on startup. I have disabled UAC, as well as set Full Control over Disk C: for my User, but no luck. I keep getting the error: A required privilege is not held by the client. I did google and try some online tuts - but no luck! Thanks

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• How to get dataset to populate data into dbgrid in Delphi 6?

  - by Chris J

  I have created a DBGrid in Delphi 6 and tied it to a DataSource contained in a DataModule. The Dataset for that source in also located in the same module. In the OnShow event for the form, I activate the dataset and set a label equal to the rowcount for the dataset. This shows several hundred rows but nothing shows in the dbgrid. If I activate the dataset in the IDE, the grid populates with the expected data. Does anyone have any idea why this behaviour would change between the IDE and normal runtime? We are also using SDAC connection components. All 3rd party component choices are not mine to change. I can elaborate as necessary for clarification, but I mainly need troubleshooting ideas to start at.

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• Django template context not working with imported class

  - by Andy Hume

  I'm using Django's templating on appengine, and am having a problem whereby a class I'm importing from another package is not correctly being made available to the template context. Broadly speaking, this is the code. The prop1 is not available in the template in the first example below, but is in the second. MyClass is identical in both cases. This does not work: from module import MyClass context = MyClass() self.response.out.write(template.render(path, context)) This does: class MyClass(object): def __init__(self): self.prop1 = "prop1" context = MyClass() self.response.out.write(template.render(path, context)) If I log the context in the above code I get: <module.MyClass object at 0x107b1e450> when it's imported, and: <__main__.MyClass object at 0x103759390> when it's defined in the same file. Any clues as to what might cause this kind of behaviour?

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• Asterisk is hacking itself [duplicate]

  - by Shirker

  This question already has an answer here: How do I deal with a compromised server? 11 answers I've got some strange logs on my asterisk (and there a lot of extensions were tried): chan_sip.c: Failed to authenticate device 6006<sip:[email protected]>;tag=f106f3fe but IP XX.XX.XX.39 is its OWN IP! cat /etc/asterisk/* | grep 6006 returns nothing. asterisk -rv Asterisk 11.4.0 How its possible, that its hacks itself? And how could I trace, where it comes from?

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• Windows 7 ATI 6470M

  - by p_piorkowski

  I have some problems with my Dell Vostro 3350. I have to graphic card - Intel and ATI radeon 6470M. I have installed this driver. It's fresh installation of Windows 7. And my problem is that in device menager I can see in section graphic cards AMD Radeon HD 6490M and Intel(R) Graphics Family. Another thing is that I'm using two screens. And I want to use ATI readeon as default. At this moment I'm event not sure if ATI is working. Another strange thing is that when I run Catalyst Control Center in section Destkop Menagement i don't see nothing.

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• Asus P6X58-E WS motherboard memory limits

  - by Arsen Zahray

  I've just ordered motherboard Asus P6X58-E WS, and now I'm, looking for memory for it. It has 6 slots, but the strange thing is, that in specifications it says that it is limited to 24G of memory . I'm planning on using 8G Kingston KVR1333D3D4R9S/8G sticks with it. Using those sticks, I'll be teoretically limited to 48G. Does the 24G limitation mean, that even if I install all 6 sticks, I still will be limited by 24G of possible memory? Sorry if the question seems dumb, but I never faced such a limitation before

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• 2x ATI FireMV 2250 not working

  - by Brett Rigby

  I've just bought 2x ATI FireMV 2250 cards from a reputable seller on ebay... one is a PCI-E x1 and the other is a PCI-E x16. Problem is, neither works in my Dell Vostro 220 PC... Both cards appear to not work. Is there something I'm missing? The seller used an anti-static bag for one of the cards, syaing that: "You Must connect this graphics board to the computer's power supply" but there's no socket for that, nor any indication. I have contacted the seller, but thought I'd raise it here, as it seems strange that two cards can be non-functioning.

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• If I don't odr-use a variable, can I have multiple definitions of it across translation units?

  - by sftrabbit

  The standard seems to imply that there is no restriction on the number of definitions of a variable if it is not odr-used (§3.2/3): Every program shall contain exactly one definition of every non-inline function or variable that is odr-used in that program; no diagnostic required. It does say that any variable can't be defined multiple times within a translation unit (§3.2/1): No translation unit shall contain more than one definition of any variable, function, class type, enumeration type, or template. But I can't find a restriction for non-odr-used variables across the entire program. So why can't I compile something like the following: // other.cpp int x; // main.cpp int x; int main() {} Compiling and linking these files with g++ 4.6.3, I get a linker error for multiple definition of 'x'. To be honest, I expect this, but since x is not odr-used anywhere (as far as I can tell), I can't see how the standard restricts this. Or is it undefined behaviour?

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• IPv6 feature in Network Adaptor is Slowing Internet

  - by Teknophilia

  The past few days, my internet browsing has become very poor. It's not a matter of speed, as a speed test will give at least 15Mbps. It seems as if my laptop has a hard time actually connecting to the sites. I've found a possible culprit, but don't know why it would affect anything: Going to adapter settings and disabling ipv6, but leaving ipv4, my browsing is back to normal. Re-enabling ipv6 brings back the issue. This is strange though, because I have always had ipv6 enabled. Moreover, using sites to test ipv6 compatibility, I fail with ipv6 enabled on my adapter, and pass when it's disabled. Ideas about why this is happening, and how to fix it?

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• Are there any standard one-click install/lauch mechanisms for the web?

  - by Niklas Bäckman

  The reason I ask is mostly due to how Google Chrome installation works once you click the "Accept and install" button from Firefox. After you click the installation is started directly and when it's completed Chrome itself starts up. Firefox does not show any "Save" or "Confirm" dialogs after you click the Install button (on Chrome install web page). Now, is this standard behaviour? Or might it be due to having an old version of Chrome already on the computer (Note: The new version was still installed from Firefox). Seems a bit risky to me, all you have to do is fool the user to click something and then you can do whatever you want on his machine, or? Personally I thought things like this only worked with IE/ActiveX.

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• Switching to FormViewMode.Edit is very slow

  - by Tim

  When i switch an ASP.Net Formview from readonly mode to edit mode it takes more than 6 seconds(from edit to readonly takes a split second). I have no idea whats the reason for it. The EditItemTemplate contains a lot of controls(table,textboxes,dropdownlists) but in fact not more than the ItemTemplate has. Yet i have even commented out the complete FormView.DataBound where the controls are data bounded but without significant change. My ASP.Net Web Apllication is using Ajax and the Formview is completely nested in an UpdatePanel. Any suggestions or assumptions for this behaviour?

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• Prevent browser form submission when Wicket AjaxFormValidatingBehaviour validation fails

  - by Brian Laframboise

  I have a Page with a Wizard component. The user can navigate the panels of the wizard by using the next and previous buttons which I have performing full (non-ajax) form submissions so that the app is back-button friendly. When the next button is clicked, I would like to attempt ajax form validation (if javascript is enabled). I tried doing: nextButton.add( new AjaxFormValidatingBehavior( form, "onsubmit") ); to add such validation. The behaviour works - however, when validation errors occur the browser still submits the entire form. What is the Wicket way to prevent the browser from submitting the form in this case?

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• Windows 7 64bit keyboard issues

  - by Scott

  I have a Pavilion dv4 notebook running Windows 7 64bit Enterprise edition. This morning I started to notice some really strange behavior in how it handled its built-in keyboard. At random intervals there will be a long delay in key presses, to which some keys will never show and other keys will continue to repeat until you hit the backspace. Other keys get mapped incorrectly to other keys. If I hook up an external keyboard the problem does not appear. Before I reformat the machine and do a fresh install, I thought I would check here to see if anyone has experienced this same issue and if so, how did you fix it?

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• "rake test" doesn't load fixtures?

  - by Pavel K.

  when i run rake test --trace here's what happens ** Invoke test (first_time) ** Execute test ** Invoke test:units (first_time) ** Invoke db:test:prepare (first_time) ** Invoke db:abort_if_pending_migrations (first_time) ** Invoke environment (first_time) ** Execute environment ** Execute db:abort_if_pending_migrations ** Execute db:test:prepare ** Invoke db:test:load (first_time) ** Invoke db:test:purge (first_time) ** Invoke environment ** Execute db:test:purge ** Execute db:test:load ** Invoke db:schema:load (first_time) ** Invoke environment ** Execute db:schema:load ** Execute test:units /usr/bin/ruby1.8 -I"lib:test".... (and after that fails because there's no fixtures loaded) why doesn't it load fixtures (i thought that would be default behaviour) and how do i make it load fixtures before executing tests??? p.s. my test/test_helper.rb content is: ENV["RAILS_ENV"] = "test" require File.expand_path(File.dirname(__FILE__) + "/../config/environment") require 'test_help' class ActiveSupport::TestCase self.use_transactional_fixtures = true self.use_instantiated_fixtures = false fixtures :all end (rails 2.3.4)

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• Can you have an extension method on a type instead of on an instance of a type?

  - by SLC

  I can have an extension method like this: DateTime d = new DateTime(); d = d.GetRandomDate(); GetRandomDate is my extension method. However the above doesn't make much sense. What would be better is: DateTime d = DateTime.GetRandomDate(); However, I don't know how to do this. An extension method created as: public static DateTime GetRandomDate(this System.DateTime dt) will only add the GetRandomDate() in the first example above, not the second one. Is there a way to achieve the desired behaviour?

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• Which LAN driver should I use for Asus F5Z ?

  - by Radek

  A friend of mine asked me to re-install his Asus F5Z notebook with Windows XP. I installed successfully all drivers from Asus driver download site. Everything is working fine but the Ethernet driver. The installation of Lan Driver for Windows XP finishes with strange message "Please shutdown & plug Realtech PCI-e card to complete the installation. Not sure if it matters but OnChip SATA is in 'Native IDE' mode . The original one with Vista was 'IDE - AHCI mode'. Any idea how I can make the LAN adapter to work under Windows XP?

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• User Drawn Controls: the MSN chat window

  - by Tommy

  I'm wondering about the famous MSN chat clients conversation windows! I'm sure there must be alot of different aspects but I'd like to focus on those little sliding panes. For instance where the pictures of the people in the conversation is displayed. When you click the collapse button the pictures dissapear and the panel gracefully slides in, and when you click it again to expand, it slides out and the pictures are smoothly faded in. How would one go about customly drawing a control in WinForms that had simmilar behaviour?

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• Spring FactoryBean and scopes working together

  - by TTar

  I'd like to use FactoryBeans and scopes together. Specifically, I'd like the object created and returned by a FactoryBean to be placed into a specified (perhaps custom) scope. The issue is that doing the following: <bean class="x.y.z.TestFactoryBean" scope="test" /> Results in the FactoryBean itself being scoped, and has somewhat unpredictable behaviour on the object created by the factory. I understand why this is; the factory itself is a first-class spring-managed bean, and has its own lifecycle. However, I can't find a way to specify that the object returned from the factory should itself be scoped. On the other hand, this does exactly what I want (as long as TestFactoryBean does NOT implement the FactoryBean interface): <bean class="x.y.z.TestFactoryBean" name="testFactory"> <bean class="x.y.z.TestBean" factory-bean="testFactory" factory-method="getObject" scope="test" /> So the real question is, how can I make Spring behave like it does for the 2nd example above, but using real FactoryBeans?

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• @Secured not working

  - by user3640507

  I am new to spring and trying to implement Role based authorization with the help of @Secured annotation. I have a method which is specifically for ADMIN and I have written @Secured ("ROLE_ADMIN") to secure it. @Secured ("ROLE_ADMIN") public void HelloUser(String name) { System.out.println("Hello ADMIN"); } Now when I call this method by creating a class object it gets called eventhough user dont have ADMIN authority But when I dont create an object and use @autowired annotation instead then it works i.e User is not allowed to access this method. In my security.xml as well as servlet.xml I have added <global-method-security secured-annotations="enabled" /> Can some one please tell me where I am going wrong or is this the natural behaviour in spring ?

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