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  • What web oriented language would work best with binary data?

    - by Qqwy
    I want to create a service where people can upload files. However, since file storage costs money, I want to compress the files so they take less space. I would want to write my own compression algorithm, however, PHP doesn't have good ways to handle binary data (which is needed for many compression algorithms). So I wondered, what would be a better language to create such a website in? I have knowledge of PHP (and Javascript, HTML and CSS) but no experience with other things like Ruby, Perl, Python, and other web development languages.

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  • Cocos2d: is it good practice to use a shared GameScene when having various levels?

    - by mm24
    In my code (based on the ShootEmUp example in this book, which I highly reccomend, source code in chapter 8 available here) I often use the trick of accessing the GameScene via: +(GameScene*) sharedGameScene; which returns a reference to the static instance of GameScene. Is a static instance of GameScene as in the book still a valid pattern in case I want a MainMenu calling GameScene initialized with different level data each time (e.g. different enemies)? (I have created a sceneWithId:(int) method where I load different level data each time. Or should I pheraps create a GameScene class and then sublcass it? E.g. FirstGameScene : GameScene

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  • Which of these URL scenarios is best for big link menus? [seo /user friendly urls]

    - by Sam
    Hi folks, a question about urls... me and a good friend of mine are exploring the possibilities of either of the three scenarios for a website where each webpage has a menusystem with about 130 links.: SCENARIO 1 the pages menu system has SHORT non-descriptive hyperlinks as well as a SHORT canonical: <a href:"design">dutch design</a> the pages canonical url points to e.g.: "design" OR SCENARIO 2 the pages menu system has SHORT non-descriptive hyperlinks wwith LONG canonical urls: <a href="design">dutch design</a> the pages canonical url points to: dutch-design-crazy-yes-but-always-honest OR SCENARIO 3 the pages menu system has LONG descriptive hyperlinks with LONG canonical urls: <a href="dutch-design-crazy-yes-but-always-honest">dutch design</a> the pages canonical url points to: dutch-design-crazy-yes-but-always-honest Currently we have scenario 2... should we progress to scenario 3? All three work fine and point via RewriteMod to the same page which is fetched underwater. Now, my question is which of these is better in terms of: userfriendlyness (page loading times, full url visible in url bar or not) seo friendlyness (proper indexing due to the urls containing descriptive relevant tags) other concerns we forgot like possible penalties for so many words in link hrefs?? Thanks very much for your suggestions: much appreciated!

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  • Best way to slice up a non rectangular image?

    - by Hoff
    I have the image below and need to create a rollover for each "piece" or arrow in the circle. Because the image isn't rectangular, it boggles how me how I'm going to do this without having badly overlapping pieces. As you can see from the image below, the slices will overlap each other (quite a bit), which will not be good for the rollover. Does anybody have any ideas as to how to accomplish this without resorting to Flash or HTML5? The majority of our site's users use dinosaur browsers that don't support HTML5. Here's the link to the image: http://img812.imageshack.us/img812/3166/wheela.png

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  • Best multi-platform mobile development tool, or use iPhone tools?

    - by Jesse Millikan
    I may be building a mobile app for a client soon. Their primary focus is the iPhone, but my boss would like to be able to target multiple platforms if it's feasible. The app will probably be a large but technically simple business application backed by a web service. So, here's the question as I see it: What is currently the strongest cross-platform mobile development tool that supports iOS? Would you choose it over native development tools? If you choose native, contrast it with a cross-platform tool you've used. In addition, For a project of the type we're expecting, what's the level of effort for your chosen tool versus other tools? What's the actual level of support of the tool for other platforms and their unique look and feel, capabilities, etc.? How thorough is the documentation of the product? How well do you like the development experience itself, e.g. the language, tools, documentation? Is it something you would choose to do long-term? I'll put a bounty out unless I get fantastic answers.

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  • What's the best way to compare blocks in a matching game that can be multiple colors?

    - by Ryan Detzel
    I have a match 3-4 game and the blocks can be one of 7 colors. There are an addition 7 blocks that are a mix of the original 7 colors so for example there is a red and blue block and there is also a red/blue block which can be matched with either the red or the blue. My original thought is just to use binary operations so. int red = 0x000000001; int blue = 0x000000010; int redblue = 0x000000011; Then just do an & operation so see if they match. Does this sound like a decent plan or am I over complicating it? edit: Better yet so it's more readable. int red = 1; int blue = 2; int red_blue = 3; int yellow = 4; int red_yellow = 5; maybe as defines or static vars?

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  • What's the best way to recruit talented female developers?

    - by Molly Wally
    I work on a team with a dozen men. They're great. I like them and all, but can't help wonder why it's so hard to find other technical women. I know they exist because I've met them at conferences, read their blogs, and see them on campus. My guess is there's something about our team that keeps them away. How can we recruit talented women without resorting to gimmicks? I'm not looking for complete gender parity, but why is it that some teams have a 50/50 gender split and ours is completely lopsided?

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  • What is the best video editor on Ubuntu for editing multi-format/multi-eco?

    - by amjad
    I have many video clips with different formats and I want to create a short movies by joining them. Most of the clips are taken with Nokia N8 and Lumia 800. I am using Ubuntu, I have tried many of editors but I can not edit/video clips due to different video formats. Which open source editor should I use to achieve following tasks: Join different vidoe formats/encoding to produce on single movie Export to different formats (.avi, youtube, etc) Add texts on the clips and insert images I don't want to install and try many of them.

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  • What is the best type of c# timer to use with a Unity game that uses many timers simultaneously?

    - by Kyle Seidlitz
    I am developing a stand-alone 3d game in Unity that will have anywhere from 1 to 200 timers running simultaneously. There will be a GameObject containing 1 timer. For this game timer durations will range from 5 minutes to 4 days. There will not be any countdown displays or any UI for the timers. Each object is a prefab, with all the necessary materials included. An attached script will handle the timer and all the necessary code to change the materials and make any sound effects. Once the timer is expired, the user will then click on the object again, and the object will be destroyed, and the user's inventory will be adjusted. If the user wants to save or end the game before all the timers are done, the start value of the still running timers is to be saved to an XML file such that when the game is started again, any still running timers will be checked to see if they have expired, where the object's materials will be changed appropriately. I am still trying to figure out what type of timer to use, and see also if there are any suggestions for saving and calculating times over several days. What class(es) of timers should I use? Are there any special issues I should look out for in terms of performance?

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  • Is it bad practice to have a long initialization method?

    - by Paperflyer
    many people have argued about function size. They say that functions in general should be pretty short. Opinions vary from something like 15 lines to "about one screen", which today is probably about 40-80 lines. Also, functions should always fulfill one task only. However, there is one kind of function that frequently fails in both criteria in my code: initialization functions. For example in an audio application, the audio hardware/API has to be set up, audio data has to be converted to a suitable format and the object state has to properly initialized. These are clearly three different tasks and depending on the API this can easily span more than 50 lines. The thing with init-functions is that they are generally only called once, so there is no need to re-use any of the components. Would you still break them up into several smaller functions would you consider big initialization functions to be ok?

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  • What is the best tool to sync browser passwords and bookmarks?

    - by jgbelacqua
    Sadly, everything I've tried so far has been painful to manage between two computers, (even between different browsers on the same computer). So, right now I have different aggregations of bookmarks passwords in xmarks, delicious, google bookmarks, firefox sync, text files, and in figaro password manager (fpm2). I've also tried to use bindwood in the past. What I would like to do is merge all bookmarks and passwords into some solution that actually works either with tools available under Ubuntu, or with a browser-based tool (addon/plugin/extension) which works between between google-chrome/chromium, and firefox. It would be ideal if there was an ability to send and store passwords encrypted (if not on my own server). Whatever the method, I need the ability to have import from existing sources. (It doesn't have to be pretty, just repeatable.) It's possible that some things I've ruled out are now workable (e.g., xmarks broke for me at one point because I hit their bookmark limit for the server/account, and bindwood, firefox sync were firefox only).

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  • How can I best implement 'cache until further notice' with memcache in multiple tiers?

    - by ajreal
    the term "client" used here is not referring to client's browser, but client server Before cache workflow 1. client make a HTTP request --> 2. server process --> 3. store parsed results into memcache for next use (cache indefinitely) --> 4. return results to client --> 5. client get the result, store into client's local memcache with TTL After cache workflow 1. another client make a HTTP request --> 2. memcache found return memcache results to client --> 3. client get the result, store into client's local memcache with TTL TTL = time to live Is possible for me to know when the data was updated, and to expire relevant memcache(s) accordingly. However, the pitfalls on client site cache TTL Any data update before the TTL is not pick-up by client memcache. In reverse manner, where there is no update, client memcache still expire after the TTL First request (or concurrent requests) after cache TTL will get throttle as it need to repeat the "Before cache workflow" In the event where client require several HTTP requests on a single web page, it could be very bad in performance. Ideal solution should be client to cache indefinitely until further notice. Here are the three proposals about futher notice Proposal 1 : Make use on HTTP header (current implementation) 1. client sent HTTP request last modified time header 2. server check if last data modified time=last cache time return status 304 3. client based on header to decide further processing GOOD? ---- - save some parsing for client - lesser data transfer BAD? ---- - fire a HTTP request is still slow - server end still need to process lots of requests Proposal 2 : Consistently issue a HTTP request to check all data group last modified time 1. client fire a HTTP request 2. server to return last modified time for all data group 3. client compare local last cache time with the result 4. if data group last cache time < server last modified time then request again for that data group only GOOD? ---- - only fetch what is no up-to-date - less requests for server BAD? ---- - every web page require a HTTP request Proposal 3 : Tell client when new data is available (Push) 1. when server end notice there is a change on a data group 2. notify clients on the changes 3. help clients to fetch again data 4. then reset client local memcache after data is parsed GOOD? ---- - let the cache act/behave like a true cache BAD? ---- - encourage race condition My preference is on proposal 3, and something like Gearman could be ideal Where there is a change, Gearman server to sent the task to multiple clients (workers). Am I crazy? (I know my first question is a bit crazy)

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  • In a browser, is it best to use one huge spritesheet or many (10000) different PNG's?

    - by Nick
    I'm creating a game in jQuery, where I use about 10000 32x32 tiles. Until now, I have been using them all separately (no sprite sheet). An average map uses about 2000 tiles (sometimes re-used PNG's but all separate divs) and the performance ranges from stable (Chrome) to a bit laggy (Firefox). Each of these divs are positioned absolutely using CSS. They do not need to be updated every tick, just when a new map is loaded. Would it be better for performance to use spritesheet methods for the divs using CSS background-positioning, like gameQuery does? Thank you in advance!

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  • What is the best shopping cart or implementation for unlimited users posting unlimited products? [closed]

    - by Matt
    I've been working with x-cart much lately, and I was thinking about using it for a much larger site, but I don't know if it can handle what I'm looking for. I need a platform or strategy that can allow for as many users as possible where each can post multiple products (hopeful up to a hundred, but that's less important), but in their own private catalogs. So what am I looking for? With x-cart, I'm used to customizing it with jquery, smarty, and php, so I can handle that much.

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  • Is it bad practice to use python's getattr extensively?

    - by Wilduck
    I'm creating a shell-like environment. My original method of handleing user input was to use a dictionary mapping commands (strings) to methods of various classes, making use of the fact that functions are first class objects in python. For flexibility's sake (mostly for parsing commands), I'm thinking of changing my setup such that I'm using getattr(command), to grab the method I need and then passing arguments to it at the end of my parser. Another advantage of this approach is not having to update my (currently statically implemented) command dictionary every time I add a new method/command. My question is, will I be taking a hit to the efficiency of my shell? Does it matter how many methods/commands I have? I'm currently looking at 30 some commands, which could eventually double.

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  • What is the best database design for managing historical information? [closed]

    - by Emmad Kareem
    Say you have a Person table with columns such as: ID, FirstName, LastName, BirthCountry, ...etc. And you want to keep track of changes on such a table. For example, the user may want to see previous names of a person or previous addresses, etc. The normalized way is to keep names in separate table, addresses in a separate table,...etc. and the main person table will contain only the information that you are not interested in monitoring changes for (such information will be updated in place). The problem I see here, aside form the coding hassle due to the extensive number of joins required in a real-life situation, is that I have never seen this type of design in any real application (maybe because most did not provide this feature!). So, is there a better way to design this? Thanks.

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  • Best way to create an exact twitter clone? From scratch vs CMS vs any other way [closed]

    - by Akash
    I tried many already built Twitter clone scripts but none was having user-end functionality exactly as twitter. I know enough PHP to code all the twitter's features myself. But is there a faster way than coding myself? I've never used a CMS but if I do then won't I have to search a plugin for every twitter feature, like support for multiple users, options for following-unfollowing users, retweeting (reposting someone else's post), tagging? And I'm afraid that there might be some licensing issues with CMS.

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  • What best practices exist to avoid vendor lock-in?

    - by user1598390
    Is there a set of community approved rules to avoid vendor lock-in? I mean something one can show to a manager or other decision maker that is easy to understand and easily verifiable. Are there some universally accepted set of rules, checklist or conditions that help detect and prevent vendor lock-in in an objective, measurable way? Have any of you warned a manager about the danger of vendor lock-in during the initial stages of a project?

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  • What is the best method to start understanding BIG project source code? [closed]

    - by Mr.32
    Possible Duplicate: How do you dive into large code bases? Sometimes before developing new products we need to understand some existing products or existing source code. Sometimes to write another small module of that big project we need to understand that big source code. In our case we need to study and understand a project with lots of files and folders. What is the easiest and most comfortable way to do it ? (especially for C and C++ and under Linux)

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  • What's the best way to add some particle or laser effects to an already animated character?

    - by Scott
    I just purchased some rigged and animated robot characters from 3drt for a game I'm making in unity. I would like to be able to add some weapon effects to the characters. For example, I would like for the robots to be able to shot lasers out of the hands at enemies. I have know idea where to even start with this task as I'm more of a programmer than a graphics guy. Can some experienced developers / designers please point me in a good direction? Thanks. Note: As of right now I have maya and blender installed on my computer.

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