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  • How to get interest in programming especially in java and android [closed]

    - by aditi
    I am new in this community. I just completed my Btech in Computer science, I have interest towards programming especially java. I started studying java but i am little bit slow in logic and understanding the concepts. I have some good books of java but when doing the program i am losing my confidence because of the logic issues. I have some doubts How can i improve my logical and coding skills HOw to get more and more interest in programming (like i heard about some programmers who are geeks, i mean programming machines). Is there any shortcut for studying programming Please provide some suggestions as i knew this forum has lots of good programmers. Please share ur thoughts and how you people improving ur logics. Any help is appreciated

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  • Do you develop with localization in mind?

    - by Jimmy C
    When working on a software project or a website, do you develop with localization in mind? By this I mean e.g. Externalizing all strings, including error messages. Not using images that contain text. Designing your UI with text expansion in mind. Using pseudo-translation to test your UI's early in the process. etc. On projects you work on, are these in the 'nice to have' category and let the L10N team worry about the rest, or do you have localization readiness built into your development process? I'm interested to hear how developers view localization in general.

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  • How to use MythBuntu to send TV signal to a 2nd frontend

    - by Mark Preston
    I guess the a MythTV or MythBuntu backend acts as a "server" for the frontends. I have MythBuntu installed. It runs fine, I can tune live TV, hear the sound, etc. To get this to work, I had to config the Wired Network IP4V settings to Method: Link-Local Only. The Local Backend IP address is: 127.0.0.1 and the info (bottom of screen) says that if there is another frontend, that this IP add. must be changed. 1 - Does this mean changed to the IP address of the 2nd frontend? 2 - What "Method" do I use to make 2 or more frontends? 3 - I have an ethernet switch which currently "sees" the tv signal, sends it to the computer's ethernet port where Mythbuntu makes use of it. 4 - How do I set up the Myth to send it's output (the tv shows) to both televisions? If you know of a How-To, or website, please give the URL or identifying keywords.

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  • Should integer divide by zero halt execution?

    - by Pyrolistical
    I know that modern languages handle integer divide by zero as an error just like the hardware does, but what if we could design a whole new language? Ignoring existing hardware, what should a programming language does when an integer divide by zero occurs? Should it return a NaN of type integer? Or should it mirror IEEE 754 float and return +/- Infinity? Or is the existing design choice correct, and an error should be thrown? Is there a language that handles integer divide by zero nicely? EDIT When I said ignore existing hardware, I mean don't assume integer is represented as 32 bits, it can be represented in anyway you can to imagine.

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  • Vintage Fan Home Movie Captures the Filming of Return of the Jedi

    - by Jason Fitzpatrick
    Back in 1982, Jeff Broz and a group of his friends heard the next Star Wars film was being shot out in the California desert so they did what any fan would do; they trekked out into the desert and crashed the set. In this 7 minute home video we’re treated to views of the set, actors at work, and other behind-the-scenes footage of the production of Return of the Jedi. It’s hard to imagine, given modern security practices and secrecy surrounding movies, that a bunch of kids could just walk onto a set and start filming these days. [via Neatorama] HTG Explains: What Is Windows RT and What Does It Mean To Me? HTG Explains: How Windows 8′s Secure Boot Feature Works & What It Means for Linux Hack Your Kindle for Easy Font Customization

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  • How can one manage thousands of IF...THEN...ELSE rules?

    - by David
    I am considering building an application, which, at its core, would consist of thousands of if...then...else statements. The purpose of the application is to be able to predict how cows move around in any landscape. They are affected by things like the sun, wind, food source, sudden events etc. How can such an application be managed? I imagine that after a few hundred IF-statements, it would be as good as unpredictable how the program would react and debugging what lead to a certain reaction would mean that one would have to traverse the whole IF-statement tree every time. I have read a bit about rules engines, but I do not see how they would get around this complexity.

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  • Annual Review: what hard data should a developer bring?

    - by sunpech
    Many companies have annual reviews for their employees. I've heard that it's generally a good idea to muster up some hard data to analyze and bring to the review. The better the data, the better the chances to help support a promotion or raise. What I mean by hard data, are tangible numbers-- something that can be measured and/or calculated. Obviously data that a developer would have access to. Something intangible would be how beautiful the code a developer has written. I think this would be very hard to measure, nor would upper management care for it. My question is: For a software developer, what kind of hard data should be analyzed and brought to a review to help highlight good work that was done? An example I've been given in the past: The support tickets produced by each project a developer was involved in. Are the numbers low? Are the rate per month getting lower? Etc.

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  • Game Clock Precision

    - by Philip
    I'm reading a fantastic article about game timer precision and here is a quote about 2/3 of the way into the article: If you start your game clock at about 4 billion (more precisely 2^32, or any large power of two) then your exponent, and hence your precision, will remain constant for the next ~4 billion seconds, or ~136 years. He doesn't give a concrete example of this though. Does this mean I would want to add 2^32 to the game clock value that I store at the beginning of each frame? Or is there a way to actually set the clock in Windows so that the numbers start at 2^32?

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  • Is Ubuntu Touch a separate distribution or the same one?

    - by Nickolai Leschov
    I would like to install the latest Ubuntu Touch on a 2013 Nexus 7 tablet. Which version should I be looking for: the regular Ubuntu (for ARM platform) or a separate Ubuntu Touch? I understand that after Ubuntu Touch is in frantic development, but I would like to be able to keep track which one is which. I can see the following images: Ubuntu 14.09 RTM, daily-preinstalled Ubuntu Touch 14.10 (Utopic Unicorn) Daily Build Ubuntu 14.10 (Utopic Unicorn) Daily Build, but only i386 and amd64; no ARM. Does it mean that ARM variant has moved to one of the first two links?

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  • Funny statements, quotes, phrases, errors found on technical Books [closed]

    - by Felipe Fiali
    I found some funny or redundant statements on technical books I've read, I'd like to share. And I mean good, serious, technical books. Ok so starting it all: The .NET framework doesn't support teleportation From MCTS 70-536 Training kit book - .NET Framework 2.0 Application Development Foundation Teleportation in science fiction is a good example of serialization (though teleportation is not currently supported byt the .NET Framework). C# 3 is sexy From Jon Skeet's C# in Depth second Edition You may be itching to get on to the sexy stuff from C# 3 by this point, and I don’t blame you. Instantiating a class From Introduction to development II in Microsoft Dynamics AX 2009 To instantiate a class, is to create a new instance of it. Continue or break From Introduction to development II in Microsoft Dynamics AX 2009 Continue and break commands are used within all three loops to tell the execution to break or continue. These are just a few. I'll post some more later. Share some that you might have found too.

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  • Why won't title attributes get indexed in Google?

    - by Sam
    When I search for Ride On + my site's name, I see that it's indexed. But when I search for Green Horse + my site's name, I don't see my site appearing in the results anywhere! Here's my code: <td><a href="#" title="Green Horse Ride">Ride On</a></td> Does this mean that title attributes are not indexed/shown by Google at all? What is better to use, alt? What are the other alternatives except title and alt?

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  • Determining Cost of API Calls

    - by Sam
    [This is a cross-post originally posted by me in SO. I think the question is more appropriate here.] I was going through the adwords API and came across their rate sheet - http://code.google.com/apis/adwords/docs/ratesheet.html . They charge $0.25 per 1000 API units and under the 'Operation Costs' sections list the cost (in API units) of different API calls. I am curious - based on what factors do they (and others API developers) calculate the cost of an API call? Is there any simple formula or a standard way to determine this? Note: When I say 'cost' of an API call, I don't mean the money but the API units. For example, how do you determine one API call costs 100 'units' and another 1000?

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  • Copy diagram with swimlanes in Enterprise Architect

    - by blomqvist
    This is a post mostly to myself, so that when I forget this I can come here and check it out :) (I forget about ctrl-b from time to time) When copying diagrams from Enterprise Architect you can use ctrl-B to include the swim-lanes. A normal ctrl-c will not give you the swim-lanes. A side effect is that ctrl—b gives you a copy of the whole diagram, you cannot select what objects to copy. So marking objects first or pressing ctrl-A to selects all is both unnecessary and meaningless since ctrl-b seems to mean: “copy the whole diagram now and include all the stuff in there, even the swimlanes” (which ctrl-A, ctrl-C does not).

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  • Is there any text editor for windows which can save files with code highlight for viewing

    - by user1713836
    I want some software for Windows where I can save code snippets and other daily usable commands in one file. Everyday I find some small code snippets which I want to save in a single file. Just like we have code snippet savers online, I want something offline on Windows, basically with all the features Microsoft Word has, but with code highlight. It should be lightweight like Notepad++. I mean if I select the code and then press some button, it should change the color according to the language. Currently I use Notepad++, but in it, I can't select small code snippets on one page. It either highlights the entire file or nothing.

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  • No Window Options in Cairo Dock

    - by Blind Fish
    I'm not even sure how to describe this properly. I'm running Cairo Dock on Ubuntu 12.04 LTS and I've noticed that I no longer have the top bar of my windows. I mean, I have the bar itself, but it's empty aside from the name of the window and the close / resize boxes. For instance, a simple Nautilus window would have, when you move the cursor to the top bar, a list of options such as View / Edit etc. I have nothing like that for any window or application. It's just solid black. This is a huge problem and I'm not sure what the issue is. Has anyone else experienced this?

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  • custom facebook connect image - Is it facebook's policy violation?

    - by Viruthagiri
    I was going to change facebook's default login button with my custom image like mashable I mean like this But I found a article which state its against facebook's policies Is it really a violation? If it is how come mashable using custom image? Can someone answer me? Update This is the exact image i would like to use. Facebook mentioned like this in this page. While you may scale the size to suit your needs, you may not modify the “f” logo in any other way (such as by changing the design or color). If you are unable to use the correct colour due to technical limitations, you may revert to black and white. So my sign in with facebook image violating facebook policy in anyway?

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  • How do I limit the size of my syslog?

    - by Wayne Werner
    I've got my mom's computer running Ubuntu 12.04 LTS. It's been working just fine but all of the sudden syslog has been filling up. And by filling up I mean I just deleted a /var/log/syslog that was 400GB in size. Yes - Gigabytes. While I'm sure there was some useful information in there, I'm not sure that 400GB is any kind of information to sift through. And what's really amazing about it is that it happened within a period of 8 hours - I had ran df around noon, and between then and now her drive filled up 30% (from just under 70% to 100%). What could be causing this and how could I fix it?`

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  • rc.local is not always executed upon boot

    - by starcorn
    Hey, I have some weird problem with the rc.local file which is located in /etc/rc.local the thing is that it is not always running when I boot up the laptop. Maybe every second time, I haven't counted. Anyway when that happens I have to manually go to terminal and type sudo /etc/init.d/rc.local start, which kinda kills the purpose of having this script. Anyone know what the problem could be? EDIT Since this wasn't obvious. This is an issue where I make a fresh boot up. Which mean I have shut down the computer. And next time when I boot up the computer, the rc.local file is randomly deciding whether it will automatically start or not. Here's a copy of what my rc.local file contains echo -n 255 > /sys/devices/platform/i8042/serio1/serio2/sensitivity echo level 2 > /proc/acpi/ibm/fan touch /home/starcorn/Desktop/foo rfkill block bluetooth exit 0

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  • How do you answer "Rate yourself" questions?

    - by Vinoth Kumar
    Hi , I have been frequently asked questions like "Rate yourself in java" It goes like interviewer : Rate yourself in java on the scale of 10 me: 9 interviewer : Rate yourself in J2EE me : 8 .... But really I just come up with arbitrary numbers. Sure I know Java well , but what does it mean to say "9 out of 10" . I think it is a very subjective question, that does not make sense overall. The problem is ,if I say 9 , If I am not able to answer any question , the interviewer might think , "this guy just said 9" . On the other hand If I said 6 , there is a good chance the interviewer might think "He rates himself this low...not good" How do you respond to such questions ?

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  • How to make background image black-and-white?

    - by Dmitri
    Are there any filters that would make background image to be displayed as black-and-white? What I mean, is this: i have a background image set via css using background: url(/image.png); But now I need to apply a filter so that an image is shown as black-white only. Ideally, I would like to also apply opacity to it. The effect I really trying to achieve is to have background image black/white and on hover over that span element the filter would be removed, revealing the color version. And of cause it has to work in FF, Chrome, IE Can someone help me?

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  • Phones, Nokia, Microsoft and More

    - by Bill Evjen
    The phone revolution that is under way at the moment is insanely interesting and continuously full of buzz about directions, failures, and promises. The movement started with Apple completely reinventing what a smart phone was all about and now we have the followers. Though – don’t dismiss the followers, they are usually the ones that come out with the leap frog products when most of the world is thinking about jumping on. Remember the often used analogy – the USA invented the TV – but it was Japan that took it to the next level and now all TVs are from somewhere else other than the USA. Really there are two camps for the phones – the Cool Kids and other kids that no one wants to hang out with anymore. When it comes to cool – for some reason, the phone is an important part of that factor. Everyone wants to show their phone and its configuration (apps installed, etc) to their friends as a sign of (1) “I have money” and (2) I have smarts/tastes/style/etc when it comes to my applications that are on my phone. For those that don’t know – the Cool Kids include: Apple – this is quite obvious as everything Apple produces is in the cool camp. Just having an Apple product on your person means you can dance. Google – this is one of the more interesting releases as they have created something called Android (which in it’s own right is a major brand in itself). Microsoft – you might be saying “Really, Microsoft is cool?”. I would argue that they are indeed cool as it is now associated with XBOX 360, Kinect, and Windows 7. Gone are the days of Bob and that silly paperclip. Well – that’s it. There is nobody else I would stick in that camp. The other kids that weren’t picked for that dodgeball team include: Nokia Motorola Palm Blackberry and many many more The sad part of all this is that no matter what this second camp does now, it won’t be able to get out of this bucket easily. They will always be associated as yesterday’s technology and that association will drive the sales of the phone purchasers of the world. For those in that group, the only possible way out is to get invited to the cool club by one of the cool club members in the hope that their coolness somehow rubs off. To me, this is the move that Nokia is making. They are at this point where they have realized that they don’t have the full scope of the required end to end solution to make this all work. They have the plants to build the phones and the reach of the retailers that sell what they have. What they are missing is the proper operating system for the new world of multi-touch form factor phones. Even the companies that come up with some sort of new operating system for this type of new device, they are still associated with the yesterday and lack the developer community behind them to be the real wave of adoption that this market needs. Think about that – this is a major different between Nokia/Blackberry when you compare it to the likes of Apple, Google, and Microsoft. These three powerhouses having a very large and strong development community that will eagerly take on new initiatives using the skillsets that they have already cultivated over the years of already working with the company. This then results in a plethora of applications that are then placed on an app store of some kind. The developer gets a cut and then Apple/Google/Microsoft then get their cut. It is definitely a win-win. None of the other phone companies and wannabies can provide the same results. What Microsoft was missing was the major phone manufactures coming on board to create and push forward with the phones that are required to start the wave. This is where Nokia can come in and help Microsoft. They have the ability to promote the Windows Phone operating system on a new wave of phones. This does mean that Nokia will sell phones, but they lose out on the application store that they might have been thinking about making some money on as well as controlling the end to end solution. What is interesting is in questioning to oneself if Microsoft will purchase Nokia. It really depends upon how they want to compete and with whom Microsoft views as the major competitor. For instance, they can purchase Nokia and have their own hardware company and distribution network for phones – thereby taking on a model that is quite similar to Apple. On the other hand, they could just leave it up to the phone hardware companies such as Nokia and others to build and promote phones in a model that is similar to Google. Both ways have pluses and minuses. If they own the phone manufacturer, they really can put some thought into the design and technical specifications of the phone that is really designed to exactly how they want it. Microsoft has shown that they have this ability – especially with the XBOX initiative they have done over the years. Think about how good and powerful they have moved forward with XBOX – and I am not talking about just copying what others are doing, but coming up with leapfrog products that are steps ahead of everyone else. Though, if they didn’t do it themselves, they could then leave it up to the phone manufacturers to drive each other to build better and better phones that run the Microsoft OS – competition drives better products. We have seen this with the Android line of phones that are out there on the market. I have read a lot about Nokia investors really upset about the new Microsoft relationship – but really, this is a great thing. I for one am a fan of this relationship (I am also a Nokia stock holder btw). This will mean better days for Nokia.

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  • Do Google's feed statistics include former users?

    - by jjackson
    I'm currently not using any sort of fancy stat tracking software such as feedburner, but I occasionally look at Google's stats in their Webmaster Tools just to get a rough idea of whether the number of subscribers is going up or down. This only gives the number of users subscribed through Google products, as they explain in their help documents: Subscriber stats display the number of Google users who have subscribed to your feeds using any Google product (such as Reader, iGoogle, or Orkut). Because users can subscribe to feeds using many different aggregators or RSS readers, the actual number of subscribers to your site may be higher. I used to use Google Reader very regularly but haven't opened it in a while now. The way I understand it, this will mean that even though I haven't touched any of those feeds in a long time I'm still technically subscribed to them and will therefore be included in Google's statistic. Is this correct? Also since Google runs Feedburner, does this have any effect on their stats as well?

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  • Do most programmers cut & paste code?

    - by John MacIntyre
    I learned very early on that cutting & pasting somebody else's code takes longer in the long run that writing it yourself. In my opinion unless you really understand it, cut & paste code will probably have issues which will be a nightmare to resolve. Don't get me wrong, I mean finding other peoples code and learning from it is essential, but we don't just paste it into our app. We rewrite the concepts into our app. But I'm constantly hearing about people who cut & paste, and they talk about it like it's common practice. I also see comments by others which indicate it's common practice. So, do most programmers cut & paste code?

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  • how to save a png as a smaller file but the same resolution?

    - by Radek
    not sure what stackexchange site is the best for this question. I have a scanned jpg file with below properties and size 8.5MB pixel dimension: 2468 × 3484 pixels print size: 208.96 × 294.98 millimeters resolution: 300 × 300 ppi I need to save the file as png while the size cannot be bigger than 4MB. The most important is that the size of picture must remain the same. I mean that the object size in the picture must stay the same. Could anybody tell me what is used to define the size of the objects in the picture?

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  • What is the need for 'discoverability' in a REST API when the clients are not advanced enough to make use of it anyway?

    - by aditya menon
    The various talks I have watched and tutorials I scanned on REST seem to stress something called 'discoverability'. To my limited understanding, the term seems to mean that a client should be able to go to http://URL - and automatically get a list of things it can do. What I am having trouble understanding - is that 'software clients' are not human beings. They are just programs that do not have the intuitive knowledge to understand what exactly to do with the links provided. Only people can go to a website and make sense of the text and links presented and act on it. So what is the point of discoverability, when the client code that accesses such discoverable URLs cannot actually do anything with it, unless the human developer of the client actually experiments with the resources presented? This looks like the exact same thing as defining the set of available functions in a Documentation manual, just from a different direction and actually involving more work for the developer. Why is this second approach of pre-defining what can be done in a document external to the actual REST resources, considered inferior?

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