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  • Plan variable and call dependencies

    - by Gerenuk
    I'd like to write down the design of my program to understand the dependencies and calls better. I know there are class diagrams which show inheritance and attribute variables. However I'd also like to document the input parameters to method functions and in particular which calls the methods function executes inside (e.g. on the input parameters). Also sometimes it might be useful to show how actual objects are connected (if there is a standard structure). This way I can have a better understanding of the modules and design before starting to program. Can you suggest a method to do this software design? It should be one-to-one to programming code structure so that I really notice all quirks beforehand (instead of high-level design where thing are hard to implement without further work). Maybe some special diagram or tool or a combination? It is static dependency and call design rather than time dependent execution monitoring. (I use Python if you have any specialized recommendations).

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  • Projected trajectory of a vehicle?

    - by mac
    In the game I am developing, I have to calculate if my vehicle (1) which in the example is travelling north with a speed V, can reach its target (2). The example depict the problem from atop: There are actually two possible scenarios: V is constant (resulting in trajectory 4, an arc of a circle) or the vehicle has the capacity to accelerate/decelerate (trajectory 3, an arc of a spiral). I would like to know if there is a straightforward way to verify if the vehicle is able to reach its target (as opposed to overshooting it). I'm particularly interested in trajectory #3, as I the only thing I could think of is integrating the position of the vehicle over time. EDIT: of course the vehicle has always the capacity to steer, but the steer radius vary with its speed (think to a maximum lateral g-force). EDIT2: also notice that (as most of the vehicles in real life) there is a minimum steering radius for the in-game ones too).

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  • Root access issues - how do others manage this?

    - by Ciaran Archer
    Hi there I use my Ubuntu 10.04 LTS instance (via Virtual Box on Windows 7) with a non-root user. I am trying out developing Rails applications and I notice that I need to run some rails commands with sudo. The problem this gives me is some files are created by the root user then, and I cannot edit them via a GNOME window with my logged in user. What is the correct thing to do here? Should I somehow always login as root? If so how? Is there some way for me to give all files under my home directory (where I do all my Rails work) the correct permissions for all users, so I can edit them with my logged in user via a window? At the moment I have to resort to opening a file via the command line like this sudo gedit myFile.rb - this is not very sustainable! Thanks in advance!

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  • need help connecting to bitbucket repository with sourceTree on windows 8

    - by pythonian29033
    I'm having trouble adding and cloning my repo on bitbucket to the sourceTree app, we're only starting with this now and we're a small company, so there's not much knowledge around this. now I've gone through The documentation on sourceTree for help, but I've noticed when I select my repo on bitbucket, it uses the repo url I select and appends a .git at the end. Then a notice message says This is not a valid source path / URL, but when I click Details... I get a dialogBox with nothing in it and an ok button. and when I'm done entering the details the 'Clone' button remains disabled. Is this Windows 8 or am I actually doing something wrong? Now I usually use ubuntu, but we just got these new ASUS ultrabooks at work and it's a pain to install any linux Distro on here. So I'm stuck with windows 8

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  • Is having your own website important?

    - by Josh K
    How necessary or important is it? I try to keep a running list of blogs or sites to follow, but a lot of the time I pull up someone's profile and notice there isn't anything there. Is it really important? I understand are different levels of programming (from C/C++ system programmers to Rails and even Haskell and J) and not everyone works in a language easily worked with for web based applications. Not everything is web-centric, however with the advent of many popular and sometimes free services I don't think it's unreasonable to expect a majority of programmers to have a personal site.

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  • Web api authentication techniques

    - by Steve
    We have a asp.net MVC web service framework for serving out xml/json for peoples Get requests but are struggling to figure out the best way (fast, easy, trivial for users coding with javascript or OO languages) to authenticate users. It's not that our data is sensitive or anything, we just want users to register so we can have their email address to notify them of changes and track usage. In our previous attempt we had the username in the URI and would just make sure that username existed and increment db tables with usage. This was super basic but we'd notice people using demo as a username etc so we need it to be a little more sophisticated. What authentication techniques are available? What do the major players use/do.

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  • F# &ndash; It&rsquo;s time to grow up baby.

    - by MarkPearl
    In the last few months since I started learning F# I have begin to notice an increase in the number of people blogging about the language. Sure, it could just be that I am noticing it more because I am actively looking out for questions and blog posts, but even in my day to day reading of Code Project Daily News and Stack Overflow questions there seems to be increased activity around the language. So what sparked this post? Well, today today I logged in and saw that the latest podcast by DNR was on F# and then immediately afterwards I received an email from CodeProject with a great article comparing F# and Scala. Currently, as of this blog posting (21 May 2010) F# is ranked on the tiobe site at position 43, but I am willing to put money on it that in the next few tiobe ratings this ranking will continue to rise till F# will be a top 20.

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  • FGLRX Drivers Keep Crashing | "Installation Media" reads Natty even though I'm in Precise

    - by Tom Thorogood
    I recently switched back to Ubuntu after a year or so of hardly touching my Ubuntu partition, and upgraded from Natty. Every time I start up, i get the "A problem has occurred..." popup, but it won't let me report it because Precise is not in beta. The details on the report show a segfault, and going through all the details, I notice that it lists Natty under "InstallationMedia" -- I just installed these drivers, so I'm really unsure why it's saying this. I wish I could copy this entire error report, but I see no way of doing that (is it stored somewhere in /var/log?). I'm new to the Unity interface (it's why I stopped using Ubuntu to begin with, but now that I'm getting used to it I'm liking it better). Thanks.

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  • NEW - Oracle Certifications and Documentation Available for Pre-Acquisition Sun/BEA Products

    - by PCat
    If you have been looking for Oracle certification information or documentation for the pre-Acquisition Sun/BEA products, such as WebLogic Portal (WLP) or WebCenter Interaction (WCI), formerly ALUI, you can now find them at the Certifications Central Hub.Use this Hub if you're looking for WLP/WCI documentation and certified configurations and more. Scroll down, below the bullets, to the bottom of the table to find: Of course, you can still find a great wealth of certification information for current products at this hub, as in the past. Be sure to check before you install! In case you haven't used this page before, notice that you can get to the documentation, certifications and downloads for WLP/WCI products by clicking on "WebLogic Portal" or "WebCenter Interaction" in the leftmost pane. In the new screen, you will see tabs for Overview, Downloads, Documentation and Community. Let us know if you don't find what you are looking for. Happy Trails.

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  • How far back do you use your version control and for what reason?

    - by acidzombie24
    Typically when i work on a project i only go back a few days or the last major change when i decide to do something drastic. I sometimes notice i broke a test or a feature and overlooked it for a few weeks so i may go back a month or two and see if the feature or test is broken and trace down the week i broke it. Then find what change did it. On a long term project over the span of a year. Do you actually go back 6+ months and if so why?

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  • How can I install Ubuntu (SO many problems)

    - by Dragos
    I have a question, my friend tried installing Ubuntu on my notebook (Asus g75v) and nothing tried, at one point he went past the installation screen and every he used the mouse the screen flickered and the driver crashed (I assume) and it would go back a step, I heard that there is way to install ubuntu without any graphics, maybe that will help me with the screen flickering (I have a gtx 670m), so we tried WUBI installer, I tried installing with that and it gave me a Wubildr.mbr missing error, so I gave that up after several times, although I do notice that I have an intel driver, and I keep downloading AMD versions, does that effect anything? I'm having trouble installing Ubuntu and I wish to be able to run it on my laptop, I want to learn this OS and I cannot even install it, I am a bit concerned, if anyone can back at me with any answer at all, please don't hesitate to post, just please don't post if you don't know what's going on, thanks for listening! ~cheers -Dragos

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  • How important is it that you know the C++ standard?

    - by Nim
    I did try searching, but I did not see a similar question (either that or my search terminology was incorrect - if so, feel free to close). I am an avid user of SO, and I notice that there are lots of references to the C++ standard in discussions and answers - and I have to admit, I have never read this particular document, the language makes my eyes hurt... So, the question is, can a C++ developer really code for a living without ever having read this document? Is it really important for us mere mortals who are not in the business of writing compilers?

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  • SSIS 2008 Configuration Settings Handling Logic for Variables Visualized

    - by Compudicted
    There are many articles discussing the specifics of how the configuration settings are applied including the differences between SSIS 2005 and 2008 version implementations, however this topic keeps resurfacing on MSDN’s SSIS Forum. I thought it could be useful to cover the logic aspect visually. Below is a diagram explaining the basic flow of a variable setting for a case when no parent package is involved.   As you can see the run time stage ignores any command line flags for variables already set in the config file, I realize this is not stressed enough in many publications. Besides, another interesting fact is that the command line dtexec tool is case sensitive for the portion following the package keyword, I mean if you specify your flag to set a new value for a variable like dtexec /f Package.dtsx -set \package.variables[varPkgMyDate].value;02/01/2011 (notice the lover case v in .value) You will get errors. By capitalizing the keyword the package runs successfully.

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  • clone() only partially doable; how to react?

    - by hllnll
    Suppose we have a class-hierarchy whose base class B requires a clone() method to be defined in its derivations. Whilst this works perfectly for most of them there is this one derivation X that holds an optional reference to a resource/object that can only be referenced from one instance of X. Whilst the rest of X can be cloned without problems this reference would have to be set to null/nil/nullptr. What is the correct way to handle this situation? X::clone() could throw an UncloneableException. Though this would be correct, it is not satisfying. Set the reference to null/nil/nullptr and leave no notice of it. The user of X has to know about Xs "particularities". Require derivations of B to define B::nearestClone(): the user of B has to be aware that the return value might not be a 1:1 clone. Something else?

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  • What failure can kill a long running IRC client? [closed]

    - by Xeoncross
    I have an IRC bot that I built in PHP using sockets that attempts to run forever and (if disconnected) reconnects again. I have it listening to several channels. Apparently it's fairly resilient, because it can run for several days before the process ends and CRON has to start it up again. However, based on the fact the process ends I'm assuming there are other conditions I'm not accounting for that are causing problems. I have nothing in my error logs giving me a hint. In addition, sometimes the process will continue running - but I notice it's no longer present in any of the channels on the IRC server which makes me think it violated some part of the protocol. I have logic setup to handle: reply to PING's correctly reconnect on disconnect (and reconnect to channels) respond to private messages (so someone doesn't ban it) prevent memory leaks What other failure could be killing my long-running IRC client?

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  • Is having your own website important?

    - by Josh K
    How necessary or important is it? I try to keep a running list of blogs or sites to follow, but a lot of the time I pull up someone's profile and notice there isn't anything there. Is it really important? I understand are different levels of programming (from C/C++ system programmers to Rails and even Haskell and J) and not everyone works in a language easily worked with for web based applications. Not everything is web-centric, however with the advent of many popular and sometimes free services I don't think it's unreasonable to expect a majority of programmers to have a personal site.

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  • Is it possible to power down my external via the eject button?

    - by beanaroo
    I'm trying to convert from Windows 7 to Ubuntu 12.10 with Gnome 3.6. Using the notification area's eject icon, I notice the partition is unmounted but the drive is still powered and spinning... I understand the latter can be taken care of by means of udisks --detach /dev/sdb I really don't want to have to run a command everytime I eject. Windows does the whole process when ejecting a medium via the systray. Is there a way I could add in the command to the eject button? Is there an appropriate place I could file a feature request? Little things like this are making it hard for me to swap back over to Linux. Thanks for the support!

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  • Calling Web Service with Complex Parameters in ADF Mobile

    - by Shay Shmeltzer
    Many of the SOAP based web services out there have parameters of specific object types - so not just simple String/int inputs. The ADF Web service data control makes it quite simple to interact with them. And this applies also in the case of ADF Mobile. Since there were several thread on OTN asking about this - I thought I'll do a quick demo to refresh people memory about how you pass these "complex" parameters to your Web service methods. By the way - this video is also relevant if you are not doing mobile development, you'll basically use the exact same process for building "regular web" ADF applications that access these types of Web services. One more thing you might want to do after you create the page is look at the binding tab to see the method call in there, and notice the parameters for it in the structure property. Go and look at their NDValue property to get the complete picture.

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  • Is avoiding the private access specifier in PHP justified?

    - by Tifa
    I come from a Java background and I have been working with PHP for almost a year now. I have worked with WordPress, Zend and currently I'm using CakePHP. I was going through Cake's lib and I couldn't help notice that Cake goes a long way avoiding the "private" access specifier. Cake says Try to avoid private methods or variables, though, in favor of protected ones. The latter can be accessed or modified by subclasses, whereas private ones prevent extension or re-use. in this tutorial. Why does Cake overly shun the "private" access specifier while good OO design encourages its use i.e to apply the most restrictive visibility for a class member that is not intended to be part of its exported API? I'm willing to believe that "private" functions are difficult test, but is rest of the convention justified outside Cake? or perhaps it's just a Cake convention of OO design geared towards extensibility at the expense of being a stickler for stringent (or traditional?) OO design?

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  • Sceptic in a SCRUM Team

    - by Sorantis
    My company has recently switched to an Agile WoW and as a part of it we've started using SCRUM. While I'm very comfortable with it and feel that this WoW is superior to a traditional one, some of my teammates don't share the same opinion. In fact they are very skeptical about "all that agile stuff", and don't take it seriously. As an example, one of the teammates is always late on the meetings, and doesn't really care about it. The management IMO tries not to notice this (maybe because it's a new Wow, and it takes time for the people to get used to it). My question is, how to address this issue not raising a conflict inside the team?

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  • Open-Source, Consensus-Based Development

    - by user20037
    Question: Is there an open source license that requires that my name (or a name that I want to promote) will always be associated with a project and derivations of it? (Either within the copyright notice (©) or other.) Motivation: - My main motivation is to gain reputation. If it gained wide use, it could look very good on resume (I understand this is a long shot). - An additional benefit is that it would explicitly state to prospective employers that this code was used by myself before I started with the company and will continue to be used when I leave. It is my understanding: I am aware that 99.9% of open-source projects never take off, and that I am taking a long shot in regard to advancing reputation/career. I understand that many don't read/respect licenses. I understand that open source projects take a lot of time to manage. I understand that 'Concensus-Based Development' is the best chance at motivating a community and that I may/will loose substantial control.

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  • How to send current of line of code to terminal input in gedit 2013?

    - by Thomas Ng
    I just switched to ubuntu. I want to use R and I am using gedit to write R script. When I was using Mac, I was able to use run a R script line by line. However, I have no idea how to do this now in gedit. I notice someone said it was impossible to do so How can I send current line in gedit to terminal?, but that was 2 years ago. And recently, I saw people doing it on youtube. http://www.youtube.com/watch?v=4jJDkcEs5yw

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  • HTML5 - check if font has loaded

    - by espais
    At present I load my font for my game in with @font-face For instance: @font-face { font-family: 'Orbitron'; src: url('res/orbitron-medium.ttf'); } and then reference it throughout my JS implementation as such: ctx.font = "12pt Orbitron"; where ctx is my 2d context from the canvas. However, I notice a certain lag time while the font is downloaded to the user. Is there a way I can use a default font until it is loaded in? Edit - I'll expand the question, because I hadn't taken the first comment into account. What would the proper method of handling this be in the case that a user has disabled custom fonts?

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  • No mention of ARM versions of Lubuntu .. on the main website?

    - by Mike
    Just a question for the Lubuntu team really - I am a huge fan of Lubuntu - thank you and congratulations on creating a great distribution. I am just surprised to notice that, the main website doesn't mention that there are ARM versions - or provide any links to download. Is that because they are 'unofficial' in some sense ? I am running Lubuntu 11.10 on an Allwinner A10 device (the MK802) and it works a treat. Don't "hide your light" guys - tell the world Lubuntu is a cracking OS for ARM systems.

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  • Running external commands improved a bit

    - by Tomas Mysik
    Hi all, today we would like to show you one small improvement related to running external commands (e.g. generating documentation, running framework commands etc.) which will be available in NetBeans 7.3. First, have a look at the screenshot: As you can see, the first line represents the command that is being executed. In case of any error, this command can be easily copy & pasted to the console for deeper investigation (and proper bug reports ;). Also please notice that the Output window now supports background colors. That's all for today, as always, please test it and report all the issues or enhancements you find in NetBeans Bugzilla (component php, subcomponent Code).

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