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  • Command line options style - POSIX or what?

    - by maaartinus
    Somewhere I saw a rant against java/javac allegedly using a mix of Windows and Unix style like java -classpath ... -ea ... Something IMHO, it is no mix, it's just like find works as well, isn't it? AFAIK, according to POSIX, the syntax should be like java --classpath ... --ea ... Something and -abcdef would mean specifying 6 short options at once. I wonder which version leads in general to less typing and less errors. I'm writing a small utility in Java and in no case I'm going to use Windows style /a /b since I'm interested primarily in Unix. What style should I choose?

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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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  • 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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  • Not getting paid for hours you've worked?

    - by Mercfh
    So I was reading from a previous thread about App vs Game Development Here Which brought me to this site: Clicky Alot of it talked about devs working something like 85 hours a week.....and not getting paid overtime, or anything. Just getting paid for the 40 hours.....Is this normal for most software companies? I mean where I work im only an entry level guy....but I get overtime, and Anything over 40 hours is considered this. But it got me thinking "Holy crap" I could never do that. My FREE time is important to me. But is this commonplace in most software companies? or...more a rarity to certain types (game development, etc) Cause it got me scared! Like I understand having to put some extra hours in for a project......but like 80! thats ridiculous.

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  • Lack of ideas for startup equals slack career?

    - by Fanatic23
    After 12-15 years of working in the same industry, if a person does not have any new ideas for a startup then is it safe to say that his/her career has not reached its potential? We are not talking of implementation strategies or insights here to fructify the startup -- just great ideas which can change things for the better. Not your source code optimization. I mean a radical way of looking at things. If you lot disagree with this line of thinking, then please share some examples where despite such a long span a person can end up without new ideas.

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  • On a queue, which end is the "head"?

    - by Aidan Cully
    I had always thought that the "head" of a queue as the next element to be read, and never really questioned that usage. So a linked-list library I wrote, which is used for maintaining queues, codified that terminology: we have a list1_head macro that retrieves the first element; when using this library in a queue, this will be the first element to be removed. But a new developer on the team was used to having queues implemented the other way around. He described a queue as behaving like a dog: you insert at the head, and remove at the tail. This is a clever enough description that I feel like his usage must be more widespread, and I don't have a similarly evocative description of my preferred usage. So, I guess, there are two related questions: 1, what does the "head" of a queue mean to you? and 2, why do we use the word "head" to describe that concept?

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  • Is installing Ubuntu 10.10 still a viable option?

    - by Kartik Anand
    I fell in love with ubuntu when 10.10 was released. It was the perfect OS for me, but then, the 11 and the 12 series came, and I starting hating it (Pun intended) But seriously, I want to stick to ubuntu 10.10, I have the .iso file with me. I want to go ahead and install it. My question is, since its not currently supported, what problems will I face? Will I be eligible for update? I mean atleast till the time it was supported Can I somehow get security updates and patches Will the latest software available still run on ubuntu 10.10 I don't care much about drivers, as much as I care about python, php, apache, wine and other softwares. Will the software center work?and be updates as well? What issues am I most prone to face?

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  • Easy way of engaging non-programmers (i.e. designers) into using version control?

    - by Kevin
    What are some key ways of getting your team involved in using version control during development, web development or otherwise? I refuse to work without it, which means anyone involved in the project must also use it. It's just good practice. GUIs like Tower have helped, but the concept of it is either met with anger ('not my job!' kinda attitude), timidness, or just straight up not using it (using FTP instead, circumventing version control for say, dev or deployment). Edit: I should have clarified a little that I don't just mean images/PSDs.

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  • Good resources for 2.5D and rendering walls, floors, and sprites

    - by Aidan Mueller
    I'm curious as to how games like Prelude of the chambered handle graphics. If you play for a bit you will see what I mean. It made me wonder how it works. (it is open-source so you can get the source on This page) I did find a few tutorials but I couldn't undertand some of the stuff but it did help with some things. However, I don't like doing things I don't understand. Does anyone know of any good sites for this kind of 2.5D? Any help is appreciated. After all I've been googling all day. Thanks :)

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  • How Did we get from CLI to Graphics?

    - by Nathaniel Bennett
    I'm confused when looking into graphics - specifically with operating systems. I mean, how can a computer render a CLI/console along with a GUI. GUI's are completely different from Text. and How Can we have GUI windows that Display Text interfaces, ie how can we have CLI in modern Graphics Operating system - that's what I'm mainly trying to grip on to. How Do Graphic's get rendered to display? is there some sort of memory address that a GPU access which holds all pixel data, and there system's within OS's that Gather the pixel position of Windows and Widgets, along with the Z Index and rasterize them to that memory address, which then the GPU loads to the screen? How About the CLI's integrated with Graphics? how does the OS Tell the GPU that a certain part of the screen wants to display text while the rest, whats to display pixel data? it's all very confusing. Shed some light in it, will ya?

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  • Where do I get the source code to customize Unity?

    - by Muhammad Khan
    So one of the main reasons I migrated to Ubuntu 12.04 from Windows 7 was to be able to have more control over my system due to the flexibility and customizability of a Linux operating system. However, with Ubuntu I do not feel as if I am as in control as I can be. What I mean to say is, where are the source codes and everything for all of this that I can edit on my machine. For example, suppose I want to position my dock on the left to be on the right without wanting to install any new software. I simply want to see the GUI files and reposition it myself. How can I do that, if that's even possible? Thank You!

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  • Learning the base for programming in C

    - by Baltazar Blake
    it's been a while since I think about starting to programming in C and after that to learn programming in C# and I search a lot on google but couldn't find a good guide to start learning base programming in C .However I found that Eclipe integrates very good with Ubuntu and it's a good programming environment for starting to program in C but somebody can give please some links with guides or tell me where can I find the bases for starting to program in C ,and I mean good base because I found a lot of incomplete guides over google ? And if I don't ask to much please give some tips of how to start and how to use Eclipse.Every help will be welcome ,thanks.

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  • Size limit while using UICollectionView as tiled map for iOS game?

    - by Alexander Winn
    I'm working on a turn-based strategy game for iOS, (picture Civilization 2 as a template example), and I'm considering using a UICollectionView as my game map. Each cell would be a tile, and I could use the "didSelectCell" method to handle player interaction with each tile. Here's my question: I know that UICollectionViewCells are dequeued and reused by the OS, so does that mean that the map could support an effectively infinitely-large map, so long as only a few cells are onscreen at a time? However many cells were onscreen would be held in memory, and obviously the data source would take up some memory, but would my offscreen map be limited to a certain size or could it be enormous so long as the number of cells visible at any one time wasn't too much for the device to handle? Basically, is there any memory weight to offscreen cells, or do only visible cells have any impact? Also, does a UICollectionView seem like a bad idea for a game map, in a way I haven't thought of yet? It seems like it work well, but I haven't tried it yet so any thoughts are welcome.

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  • Consoles in Ubuntu and automatic upgrade

    - by Muhammad Khan
    So I recently discovered that ubuntu is simultaneously running 6 consoles in addition to the GUI that everybody uses, which can be accessed by pressing Ctrl+Alt+F1 ... +F6 and then the default GUI with Ctrl+Alt+F7. What use can these consoles have when I can just open a terminal in the GUI mode? Also, why is having consoles like this advantageous for computer users; wouldn't a GUI be much more simplistic? Also, running the console told me that I was running a development version of Ubuntu Quantal which is version 12.10. The login screen (correctly?) says that I'm running 12.04 LTS. What does that mean? Thanks everybody!

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  • use ubuntu notebook as second monitor for fedora desktop

    - by YumTum
    I was wondering if there is a possibility to use my netbook with ubuntu 12.04 as a second monitor for my fedora desktop, because its keyboard is broken but everything else is running just fine. I already read about x2x, but I hope there is a more direct way to do this (I mean not over the WLAN but e.g. via LAN etc... ). Would it be possible to directly use the monitor without even running the laptop? For example through an VGA adapter? Thanks for your replies!

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  • Cannot install Android 2.3 libs dies to missing ia32-libs-multiarch

    - by Enrique
    I need to get my box up to par or android development, but cannot get ia32-libs to install for the life of me. Can anyone help? The error Android's tool gave me was Stopping ADB server failed (code -1) and after a bit of investigation I found that I needed to install the ia32-libs which from my understanding is a pain. Ubuntu 12.04 (x64) xxx@xxx:~$ sudo apt-get -f install ia32-libs Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: ia32-libs : Depends: ia32-libs-multiarch E: Unable to correct problems, you have held broken packages.

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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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  • Role of linking, object files and executables

    - by Tim
    For a C or assembly program that does not require any other library, will linking be necessary? In other words, will conversion from C to Assembly and/or from Assembly to an object file be enough without being followed by linking? If linking is still needed, what will it do, given that there is just one object file which doesn't need a library to link to? Relatedly, how different are object files and executable files, given that in Linux, both have file format ELF? Are object files those ELF files that are not runnable? Are there some executable files that can be linked to object files? If yes, does it mean dynamical linking of executables to shared libraries?

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  • Should I index my mobile duplicate of my desktop website on google?

    - by Roy
    I have a duplicate of http://he.thenamestork.com with the url http://he.thenamestork.com/mobile - all files are duplicated while the mobile version has a slightly different content. Notice that when I write 'mobile' I only mean regular HTML4 with smartphone friendly CSS. I have a series of redirects (using .htaccess) that allows smartphone users land directly on the mobile versions. But I wonder, shound I index the mobile version as well so those users will be able to get direct, faster links? And what is the proper way of doing that without causing problem in google search? I guess I'm asking if there's a way to get google display regular urls for desktop users and ../mobile/.. urls for smartphone users, and if it is smart SEOwise.

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  • Hundred Zeros Catalogs Current Free Best-Sellers on Amazon

    - by Jason Fitzpatrick
    If you’re looking for some free entertainment (and who isn’t?), Hundred Zeros catalogs the current free best selling ebooks on Amazon. Visit, search, and enjoy some new books without spending a dime. Courtesy of Amit Agarwal from Digital Inspiration, Hundred Zeros catalogs piles of free Kindle books. You can browse the front page for the current top books, browse by category, or search by topic in the sidebar. When you find a book you like just click through to Amazon and send to your Kindle or Cloud Reader. Hit up the link below to start searching. Hundred Zeros HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? 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

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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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  • Build a LEGO Creation without Leaving Your Cube

    - by Jason Fitzpatrick
    Just because you’re stuck at your desk doesn’t mean you can’t sneak in a little fun. At BuildWithChrome you can slap together virtual LEGO bricks with ease. The site, a collaboration between Google and LEGO, shows you a massive map of Australia and New Zealand covered in thousands of LEGO base plates. Zoom in, select a base plate, and get building. The block selection is fairly limited (you can work with the kind of blocks you’d find in a generic LEGO brick pack) but it’s still quite a bit of fun. When I took it for a test drive, I started simple by building a house-like structure: With the addition of a few more pieces it would be possible to pull off the wizard shop my wife and daughter just built: How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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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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  • Google SMTP relay sending limits

    - by Gavin
    I'm considering using Google Apps for email with my company domain and for sending emails to customers from my website using SMTP. On Google's website it says the following: Limits for registered Google Apps users A registered Google Apps user cannot relay messages to more than 2,000 recipients per day. Limits per domain Per-domain sending limits are determined by the number of users in your Google Apps account. There are two per-domain limits: The maximum number of recipients allowed per domain per day is approximately 130 times the number of users in your Google Apps account. The maximum number of recipients allowed per domain in a 10 minute window is approximately 9 times the number of users in your Google Apps account. Additionally, the maximum number of recipients allowed per domain per day for accounts not yet paid for during the first month of service is 100. If I'm a single user, with a single domain, then does that mean I can only email 130 people a day using SMTP? That limit seems low.

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  • Dell whitepaper on PowerEdge R810 R910 and M910 Memory Architecture

    - by jchang
    The Dell PowerEdge 11 th Generation Servers: R810, R910 and M910 Memory Guidance whitepaper seems to have caused some confusion. I believe the source is an error in the paper. In the section on FlexMem Bridge Technology, the Dell whitepaper says this applies to the R810 and the M910. The Dell M910 is a 4-way blade server for the Xeon 7500 series processor line. First a breif recap. The R810 is a 2-way server, by which I mean it has two sockets regardless of the number of cores on each processor....(read more)

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