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  • Why was Android's ContentProvider created?

    - by satur9nine
    The title sums up my question, but to elaborate basically what I want to understand is why the Android designers want apps that need to work with shared data to use a Content Provider rather than just accessing the SQLite database directly? The only reason I can think of is security because certain files can by accessed only be certain processes and in that way the Content Provider is the gatekeeper that ensures each app has the proper privileges before allowing read and/or write access to the database file. Is that the primary reason why ContentProvider was created?

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  • How Much is My Website Worth?

    This is a question that comes up a lot. People hear stories about how domain names without a website on them have sold for millions and sites that are losing money sell for hundreds of millions of dollars. So naturally some people think that if they just put up a website and claim that it has a ton of potential, it's worth a ton of money.

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  • What are the canonical problem sets or problem domains for the different types of languages?

    - by SnOrfus
    I'm just wondering what some of the canonical problem sets are for certain types of languages? ie. Fill in the blanks: __ is the perfect language to use for solving __. The question was arrived at reading or hearing people say statements like such and such module in our codebase would be much easier to implement using a functional language. Fee free to include examples that would seem obvious to you.

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  • Microdata for Q&A page

    - by Zoltán Kocsán
    Which microdata is the best for a Q&A page or for a list of links to Q&A pages. When searching "yahoo answers cat" via Google it displays the result from Yahoo in a very nice way. It displays a list of related question with the number of answers (screenshot). What microdat/microformat whatever should be used on Q&A pages like Yahoo Answers or StackExchange to have similar results in Google?

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  • How to customize the ubuntu gnome 3 desktop?

    - by Francesco
    This is maybe a stupid question, but how can I choose my own background image on ubuntu gnome 3?? I click on Settings - Background - then I click on the current background preview to change it but I see only the defaults images! No + symbol to add or something. On the 'Pictures' tab there is nothing to select, I get an empty white page? I am running ubuntu gnome 13.04 3.9.6-030906-generic. Thanks!

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  • How to publish your key used to sign deb packages so you will be able to use your repository from any machine?

    - by Sorin Sbarnea
    I am looking for a solution that would prevent me from seeing things like: W: GPG error: http://updates.example.com lenny Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 00AABBCCDDEE0011 The question applies for both Debian and Ubuntu. Isn't possible to publish the key somewhere where it can be automatically downloaded by apt-get based on it's signature? Note: I know that I can put my signature to an we server and use wget to get it and install it from there, still I am using for a better solution.

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  • If im using nouveau there is no way to use vdpau with it?

    - by wanas
    Im using ubuntu 12.10 and im using the opensource driver which came reloaded with the distro tried to install the proper driver but I failed, so now im using the opensource driver and its okay, but the only problem is I want to use vdpau coz it accelerate the videos on youtube and smplayer and play it with less cpu usage. my question is: is there a way to enable vdpau with the opensource driver or do I have to use the proper driver from nvidia ?

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  • How to deal with different programming styles in a team?

    - by user3287
    We have a small dev team (only 3 developers) and we recently got a new team member. While he is a smart coder, his coding style is completely different from ours. Our existing code base contains mostly readable, clean and maintainable code, but the new team member is quickly changing many files, introducing ugly hacks and shortcuts, using defines all over the place, adding functions in the wrong places, etc. My question is if others have experienced such a situation before, and if anyone has tips on how to talk to him.

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  • Why Facebook profiles are Google-searchable?

    - by Jose
    Facebook has around 1B user profiles. They can be found by searching in Google. However, I don't think these profiles are linked from anywhere, so how could Google discover them? As far as I know, sitemaps are not enough for that (http://webmasters.stackexchange.com/a/5151), as all URLs should be crawlable anyway. I ask the question as I also have a site with user profiles and would like to make them discoverable.

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  • ray collision with rectangle and floating point accuracy

    - by phq
    I'm trying to solve a problem with a ray bouncing on a box. Actually it is a sphere but for simplicity the box dimensions are expanded by the sphere radius when doing the collision test making the sphere a single ray. It is done by projecting the ray onto all faces of the box and pick the one that is closest. However because I'm using floating point variables I fear that the projected point onto the surface might be interpreted as being below in the next iteration, also I will later allow the sphere to move which might make that scenario more likely. Also the bounce coefficient might be as low as zero, making the sphere continue along the surface. So my naive solution is to project not only forwards but backwards to catch those cases. That is where I got into problems shown in the figure: In the first iteration the first black arrow is calculated and we end up at a point on the surface of the box. In the second iteration the "back projection" hits the other surface making the second black arrow bounce on the wrong surface. If there are several boxes close to each other this has further consequences making the sphere fall through them all. So my main question is how to handle possible floating point accuracy when placing the sphere on the box surface so it does not fall through. In writing this question I got the idea to have a threshold to only accept back projections a certain amount much smaller than the box but larger than the possible accuracy limitation, this would only cause the "false" back projection when the sphere hit the box on an edge which would appear naturally. To clarify my original approach, the arrows shown in the image is not only the path the sphere travels but is also representing a single time step in the simulation. In reality the time step is much smaller about 0.05 of the box size. The path traveled is projected onto possible sides to avoid traveling past a thinner object at higher speeds. In normal situations the floating point accuracy is not an issue but there are two situations where I have the concern. When the new position at the end of the time step is located very close to the surface, very unlikely though. When using a bounce factor of 0, here it happens every time the sphere hit a box. To add some loss of accuracy, the motivation for my concern, is that the sphere and box are in different coordinate systems and thus the sphere location is transformed for every test. This last one is why I'm not willing to stand on luck that one floating point value lying on top of the box always will be interpreted the same. I did not know voronoi regions by name, but looking at it I'm not sure how it would be used in a projection scenario that I'm using here.

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  • SEO - Which One to Choose?

    When it comes to choosing an SEO firm that will make your website appear on the top search engine result pages there are many things to consider. If you open Google and type in Charlotte SEO you will find a lot of results, but the question is which one to go for?

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  • How to install theme without using user-theme extension?

    - by Aventinus_
    I'm using Ubuntu 12.04 with Gnome Shell 3.4. Since day one I had some random crashes mainly after reloading or during search. After a lot of research I concluded that user-theme extension is to blame. Only when disabled Gnome Shell runs 100% smoothly. So my question is: Is there a way to install a theme without using user-theme extension? edit: Trying to install it via Gnome Tweak Tool without user-theme extension won't work because of [this][1].

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  • Adobe Air turn based multiplayer Game, sockets vs http bandwidth

    - by Arin Aivazian
    I am developing an Adobe Air multiplayer game for iPad. It is turn based and not realtime. It is like checkers game. I want to use a client server model. I have found 2 options to connect to server so far: socket connection and http requests My question is: Is the bandwidth requirement for socket connection vs http requests different? I need the game to work with very low speed internet connections

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  • Does the SPDY protocol eliminate the need for cookieless domains?

    - by Clint Pachl
    With plain HTTP, cookieless domains were an optimization to avoid unnecessarily sending cookie headers for page resources. However, the SPDY protocol compresses HTTP headers and in some cases eliminates unnecessary headers. My question then is, does SPDY make cookieless domains irrelevant? Furthermore, should the page source and all of its resources be hosted at the same domain in order to optimize a SPDY implementation?

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  • Installing IE8 with Winetricks

    - by Gheorghe Dinu
    I have been trying to install Internet Explorer 8 via Winetricks on the default wine-prefix but I'm getting an error after the unpack process, saying my configuration is 64-bits and Internet Explorer 8 doesn't support it. My question is, can I change the wine-prefix configuration? Since I have a game installed on it that the update took a really long time. I also tried using POL installed via software center and I get same error I am using Xubuntu 12.10, and wine 1.6RC.

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  • AutoKey inserts blank lines

    - by Mike Pretzlaw
    Situation GNOME Shell AutoKey / autokey-gtk it has a predefined shortcut "adr" which should write an address after hitting space and a shortcut "date" which should write the current date (after hitting tab) Problem no matter what I define, "adr" or "date" it always inserts as much blank lines as the template uses Example: "date" should autocomplete after pressing space to "13/08/01" but it inserts one empty line "adr" should do my full address but it inserts 4 empty lines Question What could be wrong with my AutoKey? Do you need additional information?

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  • Is there a good site for programmers to discuss culture, stories, opinions, or whatever?

    - by Rachel
    I am asking because I am interested by a lot of questions that are getting closed recently. I understand that the moderators want Programmers.SE to be a place for answers, not discussion, however I enjoy the discussion and find I can learn a lot from it. Edit #2 Removed examples from here and posted them on meta per suggestion. Would like to have my original question answered instead of this turning into a discussion about Programmers.SE

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  • .NET licenses and project worths millions

    - by Ivan Tanasijevic
    I have a question about. NET licenses. I heard that in the case when project becomes worth millions, Microsoft have rights on great percent of this amount. If this is true, then how are things with social network which is built with ASP.NET MVC. Is this the same situation as in the case of the profit coming from selling software, because in this situation profit comes from marketing not from direct selling software.

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  • Game window systems and internal frames

    - by 2080
    I don't know if this is a valid question, but: What kind of window manager do games use which have internal frames (Frames inside frames)? Does this differ between the programming languages (Are e.g. in Java the AWT/Swing libraries used to manage these and other graphical elements, such as buttons,or is this to restrictive (speed, graphical possibilities?)) A special example would be EVE Online, where the client can use the ingame windows like on a normal desktop.

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  • Making game constants/tables available to game logic classes/routines in a modular manner

    - by Extrakun
    Suppose I have a game where there are several predefined constants and charts (a XP chart, cost of goods and so on). Those could be defined at runtime, or load from files at start-up. The question is how should those logic routines access the constants and charts? For example, I could try using global variables, but that cause all classes relying on the variables to be tightly coupled with them.

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  • Geek City: Growing Rows with Snapshot Isolation

    - by Kalen Delaney
    I just finished a wonderful week in Stockholm, teaching a class for Cornerstone Education. We had 19 SQL Server enthusiasts, all eager to find out everything they could about SQL Server Internals. One questions came up on Thursday that I wasn’t sure of the answer to. I jokingly told the student who asked it to consider it a homework exercise, but then I was so interested in the answer, I try to figure it out myself Thursday evening. In this post, I’ll tell you what I did to try to answer the question....(read more)

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  • Rights and use of developed software

    - by Nils Munch
    I have been working on a piece of software for a company, that they wish to resell. There was an mail-based agreement upon a flat hourly rate for my work, and eager me chose to accept a rather low fee. Due to the stress and tempo of the task, a direct contract was never formed or signed. The software was developed locally on my machine, and I was pretty much alone with it, except by excellent help from StackOverflow when I got stuck. Now, the software is nearing completion, I suddenly hear that they have hired a new developer to make the same piece of software as me, and that I was expected to resign within long. Confused I ask around, and realize that the CEO of the company had informed the rest of the company that I was terminally ill and had cancer, and was expected to leave the company soon. Since I'm perfectly healthy, this confused me even more, until I realized what was going on. When I confronted my boss with this, I was no longer seen as a member of the company, and I left the same day, never to return. Later, I raised the question about my missing pay, since I had been working for quite a bit, and not received any payment for my software. I saw that they had already sold a fair copy of my software, and since it's not exactly sold cheap, the company should have plenty of gold to pay me. The company refused, and said that they owned the software, and everything it contained. That was a lot of drama, but my question is this: Who has the rights to the software ? The source code had my personal watermarks and copyrights inprinted, but they have since simply deleted it. The company claim that they have all the rights, because they have a website made about the product, where they write that they have "All rights reserved" in the bottom. My instinct tells me that if a company buys a service like this, and then refuses to pay their developer, then they should not be allowed to keep, and much less resell the product. I have not signed any agreements about giving the company the use of this product, I have made it in my own time and without help from the rest of the company. This all takes place in Denmark, Europe, but I would guess that the rules about this is somewhat universal. Im not the strongest person to legal-talk, so I might be wrong.

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  • Analytics Tracking and SEO

    - by Mahesh
    I'm using piwik on some of my websites and recently switched from google analytics. I find most of the stuff same on both analytics. But i always had this question in mind that what am i supposed to track other than these ? Bounce rate Referral sites Keywords Geolocation Periodic data(Month, year, week) for above factors Any other SEO factors to be considered while tracking with any analytics software ?

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  • How is dependency inversion related to higher order functions?

    - by Gulshan
    Today I've just seen this article which described the relevance of SOLID principle in F# development- F# and Design principles – SOLID And while addressing the last one - "Dependency inversion principle", the author said: From a functional point of view, these containers and injection concepts can be solved with a simple higher order function, or hole-in-the-middle type pattern which are built right into the language. But he didn't explain it further. So, my question is, how is the dependency inversion related to higher order functions?

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