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• Trouble with Libreoffice 4.0.* in Ubuntu 12.04

  - by isotoper

  I have used Libreoffice Impress to give presentations at meetings for some time now. The current version of Libreoffice in Ubuntu 12.04 is 3.5.7.2 and this works fine for me. Recently, following a recommendation from a colleague, I installed Libreoffice 4.0.something using the Libreoffice PPA. This worked, but I discovered when going into slide show mode most of the graphics (line graphs) disappeared, even though they were perfectly visible in the original. Lettering, drawings, and pictures came over, but not the line graphs (which were originally inserted in .eps format most likely). With some effort I managed to uninstall the more recent version of Libreoffice, and reinstall the version in the Ubuntu repositories (3.5.7.2) and the graphs now appear as expected in the slide show mode. Is there any explanation for this behaviour?

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• screen flickering

  - by lilicus

  When using some applications (LibreOffice, Chrome) it happens that screen flicker (just for a second, or even less than a second) or screen turns into black and then back to normal again... it all happens very fast (usually when clicking with the mouse)... for example, I was searching something in google chrome and list of possible results appeared - when I double click on the search text area (not list of possible results) screen flicker... or when changing border lines in LibreOffice Calc... I managed to create screen shot while using LibreOffice Calc. I am using Nvidia 313 drivers-updates on Ubuntu 13.04. What could be the problem?

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• iOS - UISlider - How to make a slider to auto-move [closed]

  - by drodri420

  its me again. Coming back with another noobish question: This time its , can you make a UISlider move by itself??? I've implemented this on the .m ///This right here makes a slider move 1point from 1 to 100, once it reaches 100 it goes backwards and so on... - (IBAction)moveSlider:(UISlider *)sender { int flag=0, counter=1; while(flag == 0) { counter = counter + (.25 * round); if(counter == 100) { flag = 1; } if(counter < 100 && counter > 1) { slider.value = counter; } } while(flag == 1) { counter = counter - (.25 * round); if(counter == 1) { flag = 0; } if(counter < 100 && counter > 1) { slider.value = counter; } } } And Implemented this on another action: -(void)startNewRound { round+=1; targetValue = 1 + (arc4random() % 100); self.slider.value = currentValue; [self moveSlider:slider]; } I think I lost it along the way and Im just typing pure nonsense but If anyone could point me in the right direction on to which is it that Im doing wrong??

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• pointers to member functions in an event dispatcher

  - by derivative

  For the past few days I've been trying to come up with a robust event handling system for the game (using a component based entity system, C++, OpenGL) I've been toying with. class EventDispatcher { typedef void (*CallbackFunction)(Event* event); typedef std::unordered_map<TypeInfo, std::list<CallbackFunction>, hash_TypeInfo > TypeCallbacksMap; EventQueue* global_queue_; TypeCallbacksMap callbacks_; ... } global_queue_ is a pointer to a wrapper EventQueue of std::queue<Event*> where Event is a pure virtual class. For every type of event I want to handle, I create a new derived class of Event, e.g. SetPositionEvent. TypeInfo is a wrapper on type_info. When I initialize my data, I bind functions to events in an unordered_map using TypeInfo(typeid(Event)) as the key that corresponds to a std::list of function pointers. When an event is dispatched, I iterate over the list calling the functions on that event. Those functions then static_cast the event pointer to the actual event type, so the event dispatcher needs to know very little. The actual functions that are being bound are functions for my component managers. For instance, SetPositionEvent would be handled by void PositionManager::HandleSetPositionEvent(Event* event) { SetPositionEvent* s_p_event = static_cast<SetPositionEvent*>(event); ... } The problem I'm running into is that to store a pointer to this function, it has to be static (or so everything leads me to believe.) In a perfect world, I want to store pointers member functions of a component manager that is defined in a script or whatever. It looks like I can store the instance of the component manager as well, but the typedef for this function is no longer simple and I can't find an example of how to do it. Is there a way to store a pointer to a member function of a class (along with a class instance, or, I guess a pointer to a class instance)? Is there an easier way to address this problem?

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• Oracle Solaris Cluster 4.1 Released

  - by Larry Wake

  Today we announced the release of Oracle Solaris Cluster 4.1 ( download ; existing customers can just update from the package repository ).New capabilities include:  Oracle Solaris 10 Zone Clusters: The easiest way to update and consolidate existing Solaris 10 application environments is with Oracle Solaris 10 Zones within Oracle Solaris 11 -- not only do you get higher system utilization, but you can immediately leverage new features such as network virtualization.With Oracle Solaris Cluster 4.1, you can now cluster these zones, for even higher availability. Expanded disaster recovery operations: Oracle Solaris Cluster 4.1 introduces managed switchover and disaster-recovery takeover of applications and data using ZFS Storage Appliance replication services in a multi-site, multi-cluster configuration. Faster application recovery with improved storage failure detection and resource dependency management. Labeled security support for providing both high availability and high security, leveraging Oracle Solaris 11 Trusted Extensions. Learn more: Oracle Solaris Cluster at the Oracle Technology Network Data Sheet  What's New in Oracle Solaris Cluster 4.1  FAQs

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• Master Typing Productivity when Programming/SysAdmin [closed]

  - by Hartator

  I try to learn how to type fast and have managed to learn a lot. I am quite good at typing english text now. I do a lot of programmation though and if QWERTY seems fitted for english text, it doesn't seem fitted to type Ruby, Python, Javascript, Command Line or C++... I have read plenty of articles and if I respect their guidelines/tips, I am using a lot my right pinky specially to type []{}|\;:'"/?=+ enter delete. As you can see this symbols are the ones which are the most used when you are programming and we are using only one weak finger to reach them. Am I learning wrong? Is there is a way to be more productive? (I don't really want to switch to DVORAK) Have you some experiences/tips to share regarding this issue? Original Post : http://stackoverflow.com/questions/12230373/programmer-typing-productivty

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• Best Strategy for Exact Match Domain (EMD) Along Side Branded Domain

  - by ChrisInCambo

  I lucked out and managed to buy a two word .com EMD for the most important key-phrase for our b2b SaaS startup. Shutting down our branded domain isn't an option, we've already got too much invested in that brand (not in terms of SEO but in terms of other marketing efforts). The brand domain at present hasn't really been optimised for this key-phrase and we haven't invested any effort in SEO to date on that domain, but now we have some resources and want to make a big push for that key-phrase. So what is the best strategy for an EMD when you want already have a branded domain that you don't want to close or have penalised in some way?

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• Importing synaptics settings

  - by Marcus

  I've got a Samsung Series 5 Chromebook which I've installed Ubuntu on. In Chrome OS the clickpad is working great but in ubuntu it hasn't got the same settings so I'm having problems with selcting text. I managed to find the setting in Chrome OS, it's 120 about lines of settings looking like this: Device 'SynPS/2 Synaptics TouchPad': Device Enabled (131): 1 Coordinate Transformation Matrix (133): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 Device Accel Profile (265): -1 Device Accel Constant Deceleration (266): 1.000000 Device Accel Adaptive Deceleration (267): 1.000000 Device Accel Velocity Scaling (268): 10.000000 Device Node (250): "/dev/input/event6" Now I would like to import these settings to Ubuntu. Is that possible?

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• What is the future of XNA in Windows 8 or how will manged games be developed in Windows 8?

  - by Ken

  I know this is a potential dupe of this question, but the last answer there was 18 months ago and a lot has happened since. There seems to be some uncertainty about XNA in Windows 8. Specifically, Windows 8 by default uses the Metro interface, which is not supported by XNA. Also the Windows 8 store will not stock non-metro apps, so it will not stock XNA apps. Should we stick with XNA or does Microsoft want us to move to a different framework for managed game development in Windows 8? Edit: As pointed out in one of the comments, Windows 8 will be able to run XNA games in a backward compatibility mode. But that smells of deprecation.

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• Ubuntu touch on Nexus 4

  - by Dr. aNdRO

  I have finally managed to install the ubuntu touch on my nexus 4. Now the problem is its very Laggy. I have installed the "trusty" latest channel and its quite messy. Change background is not working. Dialer is really slow and everything is messed up. But I have seen many videos of nexus 4 and everything is working smoothly. So do I have to change to or pick any specific channel for installation? Please tell me is their any stable and properly working channel which I should choose for installation or what should I do?

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• Friday Spotlight: A Webcast You Do Not Want To Miss!

  - by Chris Kawalek

  Happy Friday! Today's Spotlight is about what promises to be an information packed webcast next week. We're really excited about it and hope that you are, too! Oracle Managed Cloud Services uses Oracle VM to serve up thousands of Oracle applications to thousands of end users every day. To do this, they utilize nearly 20,000 instances of Oracle VM. It's an amazing story of high availability in an unrelenting customer environment, and it's all powered by Oracle. You can leverage this team's experience in your own deployments to gain valuable insight and best practices. If you'd like to understand how well Oracle VM can scale for your organization, you do not want to miss this webcast. It is coming up this Tuesday at 10AM Pacific Time. Click the banner below to register and we hope to see you there! Oracle VM: Design Considerations for Enterprise-Scale Deployment  Tuesday, June 10, 2014 10:00 AM PDT / 1:00 PM EDT

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• Re-Route Mail to a port other than 25

  - by Ken

  Is there a way to route mail to another port? I have an email account attached to my laptop that I'd like to be able to send and receive mail from. Due to mobility, I'll be passing through various networks that will probably block this port. My dynamic DNS provider allows me to utilize web-forwards for MX domains; is this possible? where I can web forward to a domain:port which is managed by my DNS provider when I traverse between networks. If not, is there a way? Of course i could use web-mail or relay-forwarding from my home server, but that's not geeky enough.

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• Physics don't apply on a unique body AndEngine

  - by Kanga

  I am developing a game in AndEngine so far I managed to create everything I wanted for my sprite that was connected to a BoxBody. I was rotating it moving it everything was great. I wanted my collision detection to be more precise so I changed from boxBody to unique irregular shaped body. I found all the vertices and I just replaced the newly created irregular shaped body with the boxbody everywhere in my code. Not only that the image of the sprite is not in place but all the physics and maths I was doing for movement and physics wont work. Please help me :(. Thanks in advance.

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• @staticmethod vs module-level function

  - by darkfeline

  This is not about @staticmethod and @classmethod! I know how staticmethod works. What I want to know is the proper use cases for @staticmethod vs. a module-level function. I've googled this question, and it seems there's some general agreement that module-level functions are preferred over static methods because it's more pythonic. Static methods have the advantage of being bound to its class, which may make sense if only that class uses it. However, in Python functionality is usually organized by module not class, so usually making it a module function makes sense too. Static methods can also be overridden by subclasses, which is an advantage or disadvantage depending on how you look at it. Although, static methods are usually "functionally pure" so overriding it may not be smart, but it may be convenient sometimes (though this may be one of those "convenient, but NEVER DO IT" kind of things only experience can teach you). Are there any general rule-of-thumbs for using either staticmethod or module-level functions? What concrete advantages or disadvantages do they have (e.g. future extension, external extension, readability)? If possible, also provide a case example.

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• Computer Science graduate. Master or full-time job? [closed]

  - by Alex

  Possible Duplicate: Is a Master's worth it? I have just gotten my Bachelor's Degree in Computer Science and I have to make choice. Whether to continue with my full-time job I just got or put the job slightly in the background and concentrate on getting a Master's degree. I am currently working as an embedded C developer in a small company. The cool thing is that, because the team is quite small, my engineering ideas really play a part in the final product. Not to mention that I get to work on very different areas of embedded programming: device drivers and development of a Real Time OS. I am very enthusiastic about my job and what I do. On the other hand, in my country there isn't really a master's degree that focuses on embedded development so my gain from getting this degree will mainly in the field of general computer science knowledge. That being said, is it worth giving up all my spare time which I now use to study different areas of embedded devices and work mainly to get a degree rather than pure knowledge and experience in the field I want to work in?

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• Trying to boot from USB on Asus q200e-bhi3t45 just brings me to grub menu

  - by Krash Kharma

  It's been a struggle every time I've tried to change my OS on this machine. I honestly don't even know how it works whenever it does. I've somehow managed to get Windows 7, Windows 8, Mint 14, Ubuntu 12.04, and 12.10 to work at random times but it's always after struggling with it and googling for random chance fixes and suddenly something clicks and it loads from usb, but 99% of the time, every time I try to boot from USB to install a distro (in this case, I'm trying to get ubuntu-12.04.2-desktop-amd64.iso to work) my pc just comes up with a grub menu ("Minimal bash-like blahblahblah - grub ") I don't know why it works when it works. Right now I've tried everything from with/without Fast Boot in BIOS, with/without CSM, with/without secure boot, to changing BOOTx64.EFI to bootx64.efi to downloading a new bootx64.efi to copying it to every folder on the usb.... It makes no sense to me. Sorry if this has been asked before but I can't find anything

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• Many ui panels needs interaction with same object

  - by user877329

  I am developing a tool for simulating systems like the Gray-Scott model (That is systems where spatial distribution depends on time). The actual model is loaded from a DLL or shared object and the simulation is performed by a Simulation object. There are at least two situations when the simulation needs to be destroyed: The user loads a new model The user changes the size of the domain To make sure nothing goes wrong, the current Model, Simulation, and rendering Thread are all managed by an ApplicationState object. But the two cases above are initiated from two different UI objects. Is it then ok to distribute a reference to the ApplicationState object to all panels that need to access at least one method on the ApplicationState object? Another solution would be to use aggregation so that the panel from which the user chooses model knows the simulation parameter panel. Also, the ApplicationState class seems somewhat clumsy, so I would like to have something else

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• How to determine if someone is accessing our database remotely?

  - by Vednor

  I own a content publishing website developed using CakePHP(tm) v 2.1.2 and 5.1.63 MySQL. It was developed by a freelance developer who kept remote access to the database which I wasn’t aware of. One day he accessed to the site and overwrote all the data. After the attack, my hosting provider disabled the remote access to our database and changed the password. But somehow he accessed the site database again and overwrote some information. We’ve managed to stop the attack second time by taking the site down immediately. But now we’re suspecting that he’ll attack again. What we could identified that he’s running a query and changing every information from the database in matter of a sec. Is there any possible way to detect the way he’s accessing our database without remote access or knowing our Cpanel password? Or to identify whether he has left something inside the site that granting him access to our database?

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• How to optirun .sh file?

  - by Min

  I managed to get as far as optirun glxgear, which worked perfectly, but I am unable to define settings for a specific shell script. In its wiki it says this: optirun [options] <application> [application-parameters] and I don't know what option has to be nor the application-parameter. (I'm really new) If my file is /home/hon/hon.sh, how can I execute it via terminal? If I just type optirun hon or optirun hon.sh it shows this error: /usr/bin/vglrun: 296: exec: hon: not found there I try to find the file /usr/bin/vglrun. How can I run the shell scripts I need to run?

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• Ubuntu frozen on boot screen; boot repair fails due to X11 and gtk

  - by anandsun

  I have a year-old HP Pavilion dv6 with Intel i7 processors and graphics card. I had Windows 7 but last week I dual booted Ubuntu. It was working fine until today. I did the following things: Updated Gnome and installed Gnome tweak tool Uninstalled Chromium browser Uninstalled Google Chrome Moved jdk and jre folders from ~/ to /bin using sudo Moved Adobe folder from ~/ to /bin using sudo Then I restarted. Ubuntu froze for half an hour on the purple boot screen. Something I did must have broken it. So, I hit Ctrl + Alt + F1 and managed to log in through the command line. From there, I ran sudo apt-get update and sudo apt-get upgrade. I also updated grub. I also installed boot-repair. However, I cannot run boot-repair, because I keep getting the following errors: Autolaunch error: X11 initialization failed RuntimeError: Gtk couldn't be initialized.

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• Can't connect to wireless without typing sudo modprobe b43 in terminal

  - by user90889

  I just upgraded to 12.04 on an old ACER Travelmate 5320 using Broadcom 4311. I wasn't able to connect to the internet through the wireless for a few days. It didn't even display wireless networks. I was finally able to make it work by following the instructions found here: http://linuxwireless.org/en/users/Drivers/b43#supported However, each time I log on to the computer I have to go to the terminal and type sudo modprobe b43 to make the wireless work. Is there somehow I can avoid this? I have used Ubuntu for many years but always relied on other people to help me with the technical stuff. The terminal is alien to me so I literally follow online forum instructions without knowing what I'm doing. Also, I tried many many things before I managed to make it work. So I'm worried I may have installed something that now conflicts with whatever the sudo modprobe b43 does. Thank you

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• What are good HTML 5 and PHP 5 books to get? [closed]

  - by lardtard

  I am looking for beginner books into PHP 5 (Maybe with a bit into MySQL?) and HTML 5. I started self-teaching myself PHP although it has become a problem as the tutorials online are either outdated or just crap. I also managed to start learning with very little HTML knowledge so I am looking to brush up on my HTML knowledge and get more into PHP. I also am unsure weather I should be looking into XHTML or HTML5, or both so an answer to that would be splendid. I just want to become more self-sufficient and less reliant on other for my programming needs. I've searched Google for books but I'm just not sure which one is the "best" for me and makes for good practice and habits which brings me here.

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• Where can I find Ad Networks with single liner Ads?

  - by MaX

  I've developed a site that serves pure HTML Weather widgets (and they are great looking too). Just after two months I am generating 1.25K hits monthly (Google Analytics). Now I want to generate some money out of it. You can check my service out on Here . I am looking for affiliate or an Ads service that can I can hookup within but there is a twist in story. I want single liner text Ad in a particular location otherwise widgets will look rubbish, see this snapshot: Plus I have some unique places in my site to place some banner ads as well, Here are existing set of services that I've already tried: Ad Sense, doesn't allow or have such formats of methods. Peefly provides you with straight links works best but I recorded some clicks (Through Google Events) and they didn't show me any, plus it introduces overhead of manually going and choosing your links. BidVertise totally rubbish opens popups and what not, makes site look like spam I am new to this ad stuff so have a limited knowledge. Suggestions please? I have one more place in Forecast but I want to start simple. P.S. I also have a MetroUI like widget coming in the pipeline but its not ready yet.

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• How to simulate objects floating on water without a physics engine?

  - by user1075940

  In my game the water movement is done in a shader using Gerstner equations. The water movement looks realistic enough for a school project but I encounter serious problem when I wanted to do sailing on waves (similar to this). I managed to do collision with land by calculating quad's vertices and normals beneath ship, however same method can not be applied to water because XZ are displaced and Y is calculated in a shader :( How to approach this problem ? Is it possible to retrieve transformed grid from shader? Unfortunately no external physics libraries can be used.

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• FxCop ... Where have you been all my life?

  - by PhilSando

  I was recently introduced to microsoft's tool that analyzes managed code assemblies called FxCop. It points out possible design, localization, performance, and security improvements against a pre defined set of rules (and also accepts custom rules). At first I was unsure how to go about using it as it seems to be aimed at software developers (.exe and .dll) . Its easy to get around this with the following steps: 1)Create a new folder (i.e C:\Code Analysis) 2)Publish your web application into the new folder 3)Open FxCop and add all the dll files from the newly created bin folder  to be scrutinized. Lots more info / docs available here on msdn and you can also download fxcop free

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