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  • How to flag a class as under development in Java

    - by Usavich
    I'm working on a internship project, but I have to leave before I can finish up everything. I have 1 class that is not stable enough for production use. I want to mark/flag this class so that other people will not accidentally use it in production. I have already put the notice in Javadoc, but that doesn't seem enough. Some compiler error or warning would be better. The code is organized like this: [Package] | company.foo.bar.myproject |-- Class1.java |-- Class2.java |-- Class3.java <--(not stable) If there was a single factory class that calls those classes in public methods, I could have set the method to class3 as private. However the API is NOT exposed that way. Users will directly use those class, e.g. new Class1();, but I can't make a top-level class private. What's the best practice to deal with this situation?

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  • Playing a death anim on an enemy that I want to remove

    - by Max
    I've been trying to find a tutorial on how to best make animations in Android. I already have some animations for my enemies and my character that are controlled by rectangles and changing rectangleframe between updates using a picture like this: When I'm shooting my enemies they lose HP, and when their HP == 0 they get removed. As long as I'm using an arrayList (which I do for all enemies and bullets) I'm fine, since I can just use list.remove(i). But when I'm on a boss-level and the Boss's HP == 0, I want to remove him and play an animation of an explosion of stars before the "End-screen". Is there a preferred way to do temporary animations like this? If you can give me an example or redirect me to a tutorial, I'd be really grateful!

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  • Implementing Command Pattern in Web Application

    - by KingOfHypocrites
    I'm looking to implement the command pattern in a web application (asp.net c#)... Since the commands come in text format from the client, what is the best way to translate the string to a command object? Should I use reflection? Currently I just assume the command that comes in matches the file name of a user control. This is a bit of a hack. Rather than have a select case statement that says if string = "Dashboard" then call Dashboard.Execute(), is there a pattern for working with commands that originate as strings?

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  • Grouping IP Addresses based on ranges [on hold]

    - by mustard
    Say I have 5 different categories based on IP Address ranges for monitoring user base. What is the best way to categorize a list of input IP addresses into one of the 5 categories depending on which range it falls into? Would sorting using a segment tree structure be efficient? Specifically - I'm looking to see if there are more efficient ways to sort IP addresses into groups or ranges than using a segment sort. Example: I have a list of IP address ranges per country from http://dev.maxmind.com/geoip/legacy/geolite/ I am trying to group incoming user requests on a website per country for demographic analysis. My current approach is to use a segment tree structure for the IP address ranges and use lookups based on the structure to identify which range a given ip address belongs to. I would like to know if there is a better way of accomplishing this.

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  • Continous Delivery TFS

    - by swapneel
    Is it possible to achieve Continuous Delivery using TFS e.g. Windows Service? There are 1000 posts on how to use msdeploy with TFS for WEB projects. I am trying to understand why there are no resources such as blogs, articles, msdn or best practises for Continuous Delivery for Windows service using TFS. I am not sure tow to achieve the following without any working reference materials. This is so frustrating. Archive existing codebase on Remote server for Service as well for Web project not on Integration Server please! How To Stop services on Remote server not on Integration Server Copy New code Base on Remote Server Start Services

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  • DOMDocument programming: a lot of little dilemmas, how to solve them?

    - by Peter Krauss
    I need elegance and performance: how to decide by the "best implementation" for each DOM algorithm that I face. This simple "DOMNodeList grouper" illustrate many little dilemmas: use iterator_to_array or "populate an array", when not all items need to be copied. use clone operator, cloneNode method or import method? use parentNode::method() or documentElement::method? (see here) first removeChild or first replaceChild, no avoids "side effects"? ... My position, today, is only "do an arbitrary choice and follow it in all implementations" (like a "Convention over configuration" principle)... But, there are another considerations? About performance, there are some article showing benchmarks? PS: this is a generic DOM question, any language (PHP, Javascript, Python, etc.) have the problem.

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  • Sudden crash with gnome and unity

    - by cent89
    I've a Toshiba Satellite Pro U400 with Ubuntu 11.10. Very often when I'm working on the pc reboots itself, or close all programs and return to the login screen. This is very annoying, often I lose my job I'm doing, sometimes I make bad figures while projecting slides or movies in public. What happens is that with Unity 3 with Gnome, so I do not depend on these. I also checked the log files but with little success because I can not interpret them the best. Can you help me solve this serious problem? thanks. Roberto

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  • usb drive filesystem?

    - by purbleguy
    So, school is approaching quickly, and one of the things on my supply list is a usb drive. Now I'm asking myself what filesystem to use. After some research, I found ext4 to be the most stable drive filesystem. But, I also found that Windows (The OS used by every computer in my school) can't read ext4 formatted drives without special drivers, and I'm sure the school wouldn't be too happy with me having to install the windows ext4 drivers on every computer I use with my usb. So, my question is, Should I use fat32, one of the ext filesystems (2, 3 or 4 would work) or NTFS, I have an ubuntu laptop, a Mac desktop, and of course the school computers I use are Windows, so which would be the best filesystem for my usb.

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  • Force Xorg to run in specific resolution

    - by Z9iT
    From my past experience (using Win-Xp), this particular monitor works only on 60Hz , Best resolution being 1024*768. I have "installed n configured" Ubuntu 12.04 Minimal (on USB stick) so that most of the time terminal is used, however whenever theirs a need to enter GUI I may issue startx command to go into gnome. However the problem is that on this particular system, issuing this command poses problem for its default refresh rate don't synchronize with the monitor. The display keep on flickering and utterly unreadable. It is visible that gnome has been loaded and default wallpaper and desktop items are visible. But the problem is due to refresh rate different than 60Hz. I am looking for a command attribute to startx command which will force the refresh rate to 60Hz and resolution preferably to 1204*768

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  • HTML, JS, CSS Engines

    - by Pius
    I am just messing around, trying to figure out how stuff works and right now I have a couple questions about HTML, JS and CSS engines. I know there are two major JavaScript engines out there - V8 and JavaScriptCore (WebKit's JS engine as far as I know). Is that correct? And what are the main HTML + CSS renderers out there? Let's say I want to build a web browser using V8 (I saw it has some documentation and stuff + I like the way it works), what are the best options for me? Partially another question. Is there any bare browser that uses V8 and runs on Ubuntu at least? P.S. I am a Ubuntu user and prefer C++.

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  • Why is the font spacing on some websites broken?

    - by user950731
    I am using Ubuntu 12.04 on a Dell Studio 15 and so far am really impressed. I could not find a solution for my problem by googling. The fonts on some websites do not have proper spacing. they overlap and are very hard to read that way. I am using the Ubuntu standard fonts and have not changed them after installing. Here is a screencap that shows my problem. The problem occurs in Firefox and Chrome the same way, and on the same websites. Thanks for your help. Best regards el

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  • Begginer help: where to begin

    - by shad
    I want to learn how to program. A main stream programming languages like Java, C++/C# is my primary target. Current, i am a high school student and planning to take programming, Digital electronics courses next semester. My biggest problem is that I do not know where to start and I have no one to consult with. Should I take a course at my local community college this summer? and get some books or try learning from some internet websites? What would be the best option a book or website?

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  • Learning programming

    - by user65862
    I am a senior & am a retired R.N., always good at math (50+ yrs ago, but still am). I have been in a computer users group since the mid 90's, & have become moderately advanced in using computers, including trouble-shooting other people's computer problems. Most of my expertise was gained by reading, asking questions, & trying my own trouble-shooting with the help of books & the internet. Now,I would like to take the next step and learn programming. What would be the best way for me to learn programming? Attending classes isn't a practical option, and I'm not in a position to spend much money. Any ideas would be greatly appreciated. Thank you. Margaret

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  • Detect Subscribers To Event In Real Time

    - by xyz247
    I'm using C++ in the QT framework to write an application that detects an application running in memory. I can use the FindWindow method, but that requires that I know the windows title before hand. What would be the best method for identifying behavior of the application in memory to match it to a title? For example, if I know (before scanning) that a given application subscribes to the OnKeyPress event, is it possible to hook to it that method, detect all of the subscribers and enumerate them to find the application i'm looking for? If so, how would I go about doing that without integrating into the kernel? Thanks in advance for all the responses.

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  • What are some methods for pulling information and interacting with flash games?

    - by Xploit
    In general, how should I approach interacting with a flash game pragmatically? The flash game is online and I would like to be able to pull information from the game, make computations, and send the appropriate keystrokes back to the flash game? I'm having difficult deciding how to begin. Any specific libraries or languages that you feel would be best for accomplishing this task? I would like it to be as fast as possible. Are there ways of doing this without taking screen shots and simulating keyboard presses?

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  • How to balance programming projects between feasibility and usefulness

    - by tyjkenn
    I've become fairly competent as a programmer, but I would not say I am a master. I work independently, most as a hobby, although I have done some freelance PHP work. I tend to find myself dabbling in a lot of things: Java Android SDK, Arduino, game scripting, Lua, etc. I've reached the point where I want to start a real software project, but cannot think of a small enough project that allows me enough practice, while still being able to publish a decent piece of software in a reasonable amount of time, and build up a portfolio. More specifically, I was looking at Ubuntu development, in Python, using the Quickly toolset, which includes the PyGTK libraries. So the question is, what is the best way to come up with a small project that is still useful, as a starting point to a software development career?

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  • ubuntu 12.04 can't find root partition (it doesn't look for btrfs partitions) end up with kernel-panic [closed]

    - by zalesz
    Possible Duplicate: There's an issue with an Alpha/Beta Release of Ubuntu, what should I do? I'm running Ubuntu 12.04 from kernel v. 3.2.0-17 with all partitions formatted as BTRFS. It was everything ok till kernel 3.2.0-18/19. Now system don't load, after trying to run it with recovery there is a msg that kernel panic occurred cause there is no partition with ext3/4 and some other partitions but I don't see any btrfs alike type. Any ideas how to fix it? Best

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  • What resources about business should an internal IT department programmer be familiar with

    - by Badger
    I am developer / analyst in an internal IT department at a medium sized business. I have to deal with business people all the time and many of the things I create can have profound impacts on the business. I am starting to regret not taking any business classes in college because I don't understand the first thing about running a business so I don't always understand what people are wanting, the best I can do is "think through it". Does anyone have suggested methods of learning this stuff, maybe some resources. And please don't just say to ask people who work here. I have tried that before and I get no where.

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  • Teaching java interfaces to absolute beginners: What is a good example? [closed]

    - by mrsteve
    Possible Duplicate: Explaining interfaces to beginning programmers? I searched on stackoverflow and here for a good example to teach java interfaces in a beginners class. I found the following post: http://stackoverflow.com/questions/416331/java-interfaces The Official Java-Tutorial and the references feature examples that are quite good but I would need a very simple example to start with for my class. I don't think the offical tutorial is the best resource for absolute beginners. The students are easily confused, and the most effective example would help. Any pointers or experience in teaching java interfaces?

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  • How to load data for specific level at runtime?

    - by Siddharth
    I'm trying to create a game with many levels loaded from XML files. In my game I have many objects in each level. At present my game contains 20 levels, and I load all the textures at once on startup. But I think the correct way to do it is to only load textures used in the current level. I don't know how to do that. So please explain this by providing some example code. At present I create a class for each type of entity by extending my Sprite class. This subclass loads the appropriate image. I know this is not the best way to do things. Basically I want to know how to load large levels efficiently in Andengine. What is the proper method for loading textures, level data and background images from files when the level is run?

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  • Hardware refresh of Solaris 10 systems? Try this!

    - by mgerdts
    I've been seeing quite an uptick in the people that are wanting to install Solaris 11 when they are doing hardware refreshes.  I applaud that effort - Solaris 11 (and 11.1) have great improvements that advance the state of the art and make the best use of the latest hardware. Sometimes, however, you really don't want to disturb the OS or upgrade to the a later version of an application that is certified with Solaris 11.  That's a great use of Solaris 10 Zones.  If you are already using Solaris Cluster, or would like to have more protection as you put more eggs in an ever growing basket, check out solaris10 Brand Zone Clusters.

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  • Website creation preparation [closed]

    - by Loki
    I am in the pre-coding phase of creating a website. I know that it will be account based (users have to register/login to use the features). I also know that the server will have to do certain operations that are timer based, that is to say that user will have events that will trigger at a point chosen by the user and do something. I am searching for a good choice in server-side technology, and was wondering what my options are and what the best choice is. I would prefer open technology and something that doesn't use interpreted languages (Java, .net). My first thought is PHP + PGSQL for serverside and HTML+CSS+JS for clients, but I am still looking at my options.

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  • Webmatrix fails to connect PHP website to MySQL

    - by Roni
    I downloaded the latest versions of Webmatrix and MySQL. I downloaded a PHP-MySQL Connector: http://dev.mysql.com/downloads/connector/php-mysqlnd/ In the "Databases" Workspace I pressed "New Connection" button and choose "MySQL Connection" In the Dialog box I filled-in all connection details -- It looks like the database was added. But then when I double-click on the database, I get a short error message saying it cannot connect. I tried everything, searched the web... I'm sure it's a very simple question, so please whoever can help I'll be grateful. I think best solution for me would be if someone could please just give me a link to download of: Webmatrix,MySQL,Connector; and instructions on how to install and then how to connect. This would be the safest way to help me.

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  • How can I change the folder icon?

    - by Jakob
    I know how to change an icon this way. What I'm looking for is an equivalent to changing the icon for an application in the launcher, i. e. the Home folder, via gedit ~/.local/share/applications/nautilus-home.desktop That way you can set an icon type, which is helpful when you later want to change the icon set resp. theme or when you want the best resolution for each size of the icon. So, I know how I can do this for applications in the launcher - but how can I realize this for icon folders in Nautilus? (In which file these settings are stored and editable whith i. e. Gedit?)

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  • Collision representation in game overworlds

    - by Akroy
    I'm implementing a 2D overworld where one can walk through an area that is not tile based. I was wondering the best way to implement collisions. In the past when I've done similar things, I've used one image (or set of images) to show an elaborately drawn world and then a second binary image that does nothing but differentiate "wall" and "not wall". Then, I'd use the first for all drawing to the screen, but the second for collision detection. Having another image of the same size to represent collisions seems like lots of overhead. Is there a better way to handle this? (I'm currently using C++ with SDL, although I'm more interested in general concepts)

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