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  • Rules of Holes #4: Do You Have the BIG Picture?

    - by ArnieRowland
    Some folks decry the concept of being in a 'Hole'. For them, there is no such thing as 'Technical Debt', no such thing as maintaining weak and wobbly legacy code, no such thing as bad designs, no such thing as under-skilled or poorly performing co-workers, no such thing as 'fighting fires', or no such thing as management that doesn't share the corporate vision. They just go to work and do their job, keep their head down, and do whatever is required. Mostly. Until the day they are swallowed by the...(read more)

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  • is installed application for all user or for the account who installed?

    - by Eng.amr19
    I want to make many account in * Ubuntu 12.04* to separate some application from the other accounts my brother want some application i don't want so, can i install application like "Wine" or "Webapps" in my account but this application doesn't appear or effect in other account ?? and other reason that if i install Wine it effect on the Arabic fonts and make it totally bad so if i install Wine in an account , is it effect on all account

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  • improve if else statement for multiple condition

    - by kitokid
    My superior said the following is bad code. But he didn't mention anything how to improve it. What might be the alternative elegant way of coding below statements, without using if else? if(name.equalsIgnoreCase("AAA")){ //do something }else if(name.equalsIgnoreCase("BBB")){ //do something }else if(name.equalsIgnoreCase("CCC")){ //do something }else if(name.equalsIgnoreCase("DDD")){ //do something }else if(name.equalsIgnoreCase("EEE")){ //do something }else{ //do something } Edited: I am using Java 6.

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  • The Problem Should Define the Process, Not the Tool

    - by thatjeffsmith
    All around awesome tool, but not the only gadget in your toolbox.I’m stepping down from my SQL Developer pulpit today and standing up on my philosophical soap box. I’m frequently asked to help folks transition from one set of database tools over to Oracle SQL Developer, which I’m MORE than happy to do. But, I’m not looking to simply change the way people interact with Oracle database. What I care about is your productivity. Is there a faster, more efficient way for you to connect the dots, get from A to B, or just get home to your kids or to the pub for happy hour? If you have defined a business process around a specific tool, what happens when that tool ‘goes away?’ Does the business stop? No, you feel immediate pain until you are able to re-implement the process using another mechanism. Where I get confused, or even frustrated, is when someone asks me to redesign our tool to match their problem. Tools are just tools. Saying you ‘can’t load your data anymore because XYZ’ isn’t valid when you could easily do that same task via SQL*Loader, Create Table As Selects, or 9 other different mechanisms. Sometimes changes brings opportunity for improvement in the process. Don’t be afraid to step back and re-evaluate a problem with a fresh set of eyes. Just trying to replicate your process in another tool exactly as it was done in the ‘old tool’ doesn’t always make sense. Quick sidebar: scheduling a Windows program to kick off thousands if not millions of table inserts from Excel versus using a ‘proper’ server process using SQL*Loader and or external tables means sacrificing scalability and reliability for convenience. Don’t let old habits blind you to new solutions and possibilities. Of couse I’m not going to sit here and say that our tools aren’t deficient in some areas or can’t be improved upon. But I bet if we work together we can find something that’s not only better for the business, but is also better for you. What do you ‘miss’ since you’ve started using SQL Developer as your primary Oracle database tools? I’d love to start a thread here and share ideas on how we can better serve you and your organizations needs. The end solution might not look exactly what you have in mind starting out, but I had no idea I’d be a Product Manager when I started college either What can you no longer ‘do’ since you picked up SQL Developer? What hurts more than it should? What keeps you from being great versus just good?

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  • Why are MVC & TDD not employed more in game architecture?

    - by secoif
    I will preface this by saying I haven't looked a huge amount of game source, nor built much in the way of games. But coming from trying to employ 'enterprise' coding practices in web apps, looking at game source code seriously hurts my head: "What is this view logic doing in with business logic? this needs refactoring... so does this, refactor, refactorrr" This worries me as I'm about to start a game project, and I'm not sure whether trying to mvc/tdd the dev process is going to hinder us or help us, as I don't see many game examples that use this or much push for better architectural practices it in the community. The following is an extract from a great article on prototyping games, though to me it seemed exactly the attitude many game devs seem to use when writing production game code: Mistake #4: Building a system, not a game ...if you ever find yourself working on something that isn’t directly moving your forward, stop right there. As programmers, we have a tendency to try to generalize our code, and make it elegant and be able to handle every situation. We find that an itch terribly hard not scratch, but we need to learn how. It took me many years to realize that it’s not about the code, it’s about the game you ship in the end. Don’t write an elegant game component system, skip the editor completely and hardwire the state in code, avoid the data-driven, self-parsing, XML craziness, and just code the damned thing. ... Just get stuff on the screen as quickly as you can. And don’t ever, ever, use the argument “if we take some extra time and do this the right way, we can reuse it in the game”. EVER. is it because games are (mostly) visually oriented so it makes sense that the code will be weighted heavily in the view, thus any benefits from moving stuff out to models/controllers, is fairly minimal, so why bother? I've heard the argument that MVC introduces a performance overhead, but this seems to me to be a premature optimisation, and that there'd more important performance issues to tackle before you worry about MVC overheads (eg render pipeline, AI algorithms, datastructure traversal, etc). Same thing regarding TDD. It's not often I see games employing test cases, but perhaps this is due to the design issues above (mixed view/business) and the fact that it's difficult to test visual components, or components that rely on probablistic results (eg operate within physics simulations). Perhaps I'm just looking at the wrong source code, but why do we not see more of these 'enterprise' practices employed in game design? Are games really so different in their requirements, or is a people/culture issue (ie game devs come from a different background and thus have different coding habits)?

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  • SQL Performance Analyzer

    Any activity that may impact a statement's execution plan is a candidate for using SPA to investigate the possible consequences - both good and bad. Steve Callan discusses the workflow and provides a working example.

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  • State Transition Constraints

    Data Validation in a database is a lot more complex than seeing if a string parameter really is an integer. A commercial world is full of complex rules for sequences of procedures, of fixed or variable lifespans, Warranties, commercial offers and bids. All this requires considerable subtlety to prevent bad data getting in, and if it does, locating and fixing the problem. Joe Celko shows how useful a State transition graph can be, and how essential it can become with the time aspect added.

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  • windows azure thoughts.

    - by foxjazz
    Well I had a relatively unpleasant exprience with Microsoft's new offerings when it comes to azure.And of course they deleted the forum trail.They don't want the consumer as a customer, expect to pay $200 - $250 or more a year for azure and that doesn't include a good email solution. This is for the smallest slice offering.If you want a simple website solution 1and1.com isn't a bad choice and it's less than $50 a year.

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  • Online Reputation Management - The Basics

    Bad publicity is just a reality of doing business these days, especially for any company that is even moderately in the public eye. With hundreds of television channels, a print media network larger than the entire European Union and the Internet, negative comments are hurled at everyone from the Pope to Oprah.

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  • How to create/extract the EDID for/from a Monitor

    - by Luis Alvarado
    Is it possible to create or extract the Extended Display Identification Data (EDID) for/from a monitor. I have some issues with my monitor with the VGA and HDMI cables and I would like to test if by adding the EDID to the Nvidia Settings it could help in solve this issues. With the VGA cable I get a black out error and with the HDMI I get some EDID errors (bad EDID). So how can I create the EDID or extract it from the monitor by detecting its capabilities.

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  • What are good technical questions to ask to determine the analytical skill of a programmer?

    - by ENT
    I am a non-technical recruiter and I want to lay out some initial interview questions, one of which is to determine the analytic skill of a person. We will soon launch our hiring process for programmers and we are mapping out what would be the best questions. I have read quite a few posts here that suggested on how to interview programmers but I haven't come across on what technical question to ask that non-technical recruiters can easily comprehend if the answer is good or bad.

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  • Adobe Air Mobile AS3 app: challenges and how to overcome them?

    - by Arthur Wulf White
    I made a PC flash game for LD 26 - minimalism and I am working on porting it to Android. Some questions I'd like to ask: Is it bad to heavily use vector graphics (ie. this.graphics.lineTo()) in Mobile Air? Does Stencyl completely alleviate this issue? Are there any inherit disadvantages to using Air Mobile that I'm missing? Where is the documentation for Air mobile (I googled and found no recent books or documentation pdf so far)

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  • Is there a good reason I shouldn't use a java applet for a game?

    - by ryeguy
    I want to make a multiplayer browser-based game. The nice thing about using an applet is that I can make the client and the server in the same language (java/closure/scala/etc). I know there's html5 and javascript, but server side javascript isn't as mature as the jvm platform and browser support is still kind of flaky. Applets don't seem to be widely used (except for Runescape), but is there a reason they're unsuitable or is it just because of the bad reputation they developed in their infancy?

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  • Is it ok to nofollow all outbound links? [duplicate]

    - by Noam
    This question already has an answer here: Could globally applying rel=“nofollow” to external links have a negative SEO impact 1 answer I'm currently adding a nofollow to almost all of my outbound links thinking this will keep the PR inside my domain. Is this a bad approach?

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  • Torvalds' quote about good programmer

    - by beyeran
    Accidentally I've stumbled upon the following quote by Linus Torvalds: "Bad programmers worry about the code. Good programmers worry about data structures and their relationships." I've thought about it for the last few days and I'm still confused (which is probably not a good sign), hence I wanted to discuss the following: What interpretation of this possible/makes sense? What can be applied/learned from it?

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  • Why are there so many string classes in the face of std::string?

    - by fish
    It seems to me that many bigger C++ libraries end up creating their own string type. In the client code you either have to use the one from the library (QString, CString, fbstring etc., I'm sure anyone can name a few) or keep converting between the standard type and the one the library uses (which most of the time involves at least one copy). So, is there a particular misfeature or something wrong about std::string (just like auto_ptr semantics were bad)? Has it changed in C++11?

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  • Learning PHP from beginner to advanced

    - by Liam
    I've dabbled with PHP for a few years now and I'm capable of most of the basic things, building login forms etc but from my time on here I've noticed there's so much more I need to learn, like best practices, security issues etc and so I want to learn everything from the very basics. In the past I've used forums and browsed the web for snippets of code only I think this has led to my bad practices, can anybody recommend books or Valid, recommended learning sources? Thanks in advance!

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  • Domain name made of keywords redirecting to main website's page

    - by ivanivan
    Let's say I have a website called books.com where I sell books. I've read on Redirecting different domains to your main site that it's not a bad idea to register another domain that does a 301 redirect to my website, like booksforsale.com. Now, say I want to only target a specific category withing my website, like books.com/sci-fi/ so I register sci-fi-books.com and do a 301 redirect. Would this improve my search rankings? Thanks.

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  • Through the Virtual Microscope–SQL Server and Hyper-V

    - by GavinPayneUK
    In my recent SQLBits conference session, Through the Virtual Looking Glass available to watch here , I spoke about monitoring SQL Server in a virtualised environment.  We looked at good and bad contention, where resource pressures which can adversely affect SQL Server might come from and most importantly how we can monitor the environment to detect them. Since then, I’ve been in discussions with some of the Microsoft product team who are focussed on optimising Windows 8 Hyper-V and SQL Server...(read more)

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  • What should a Python developer know while learning Ruby?

    - by C J
    I have been a Python programmer for about 18 months, consisting of one internship and a few side projects, and I consider myself pretty comfortable in the language. However, there seems to be a lot of attention on Ruby in the programming field, but not a lot on Python anymore. So in learning Ruby, are there going to be Pythonic things that are just bad practices in Ruby? What should I watch out for, and what should I avoid?

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  • Is it dangerous for me to give some of my Model classes Control-like methods?

    - by Pureferret
    In my personal project I have tried to stick to MVC, but I've also been made aware that sticking to MVC too tightly can be a bad thing as it makes writing awkward and forces the flow of the program in odd ways (i.e. some simple functions can be performed by something that normally wouldn't, and avoid MVC related overheads). So I'm beginning to feel justified in this compromise: I have some 'manager programs' that 'own' data and have some way to manipulate it, as such I think they'd count as both part of the model, and part of the control, and to me this feels more natural than keepingthem separate. For instance: One of my Managers is the PlayerCharacterManager that has these methods: void buySkill(PlayerCharacter playerCharacter, Skill skill); void changeName(); void changeRole(); void restatCharacter(); void addCharacterToGame(); void createNewCharacter(); PlayerCharacter getPlayerCharacter(); List<PlayerCharacter> getPlayersCharacter(Player player); List<PlayerCharacter> getAllCharacters(); I hope the mothod names are transparent enough that they don't all need explaining. I've called it a manager because it will help manage all of the PlayerCharacter 'model' objects the code creates, and create and keep a map of these. I may also get it to store other information in the future. I plan to have another two similar classes for this sort of control, but I will orchestrate when and how this happens, and what to do with the returned data via a pure controller class. This splitting up control between informed managers and the controller, as opposed to operating just through a controller seems like it will simplify my code and make it flow more. My question is, is this a dangerous choice, in terms of making the code harder to follow/test/fix? Is this somethign established as good or bad or neutral? I oculdn't find anything similar except the idea of Actors but that's not quite why I'm trying to do. Edit: Perhaps an example is needed; I'm using the Controller to update the view and access the data, so when I click the 'Add new character to a player button' it'll call methods in the controller that then go and tell the PlayerCharacterManager class to create a new character instance, it'll call the PlayerManager class to add that new character to the player-character map, and then it'll add this information to the database, and tell the view to update any GUIs effected. That is the sort of 'control sequence' I'm hoping to create with these manager classes.

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  • Wrong resolution for TV connected via HDMI (32LG3000)

    - by timse201
    I have a LG Electronics 32LG3000 TV. I can't select the right resolution for my TV connected via HDMI. I can select 1360x768 but not 1366x768. The quality on my TV is very bad. HDMI1 connected 1360x768+1280+0 (normal left inverted right x axis y axis) 700mm x 390mm 1360x768 59.8*+ 1920x1080 60.0 1280x1024 60.0 1280x720 59.7 1024x768 75.1 70.1 60.0 832x624 74.6 800x600 75.0 60.3 640x480 75.0 60.0 59.9 720x400 70.1 I have a Intel 3000 graphic card and no settings menu like this there are no restricted drivers for my mac.

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  • Test Preparation Materials

    - by GavinPayneUK
    I wrote an article on my personal blog a few weeks ago about my preparation for my first Microsoft exam, 70-432.  ( link )  Since then I’ve been reading and demo’ing all the relevant features of SQL Server in the hope that if I get questions on them I’ll be prepared. I’ve learnt a few things in the last couple of weeks, some good, some bad which I’ll now share. The first thing I found is that learning about how SQL Server works is fun and interesting, far better than spending an evening...(read more)

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