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  • Is there a language between C and C++?

    - by Robert Martin
    I really like the simple and transparent nature of C: when I write C code I feel unencumbered by "leaky abstractions" and can almost always make a shrewd guess as to the assembly I'm producing. I also like the simple, familiar syntax for C. However, C doesn't have these simple, helpful doodads that C++ offers like classes, simplified non-cstring handling, etc. I know that it's all possible to implement in C using jump tables and the like, but that's a bit wordy at times, and not very type-safe for various reasons. I'm not a fan of the over-emphasis on objects in C++, though, and I'm gun shy of the 'new' operator and the like. C++ seems to have just a few too many hiccups to, for instance, be used as a system programming language. Does there exist a language that sits between C and C++ on the scale of widgets and doodads? Disclaimer: I mean this as purely a factual question. I do not intend to anger you because I don't share your view that C{,++} is good enough to do whatever I'm planning.

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  • Render Ruby object to interactive html

    - by AvImd
    I am developing a tool that discovers network services enabled on host and writes short summary on them like this: init,1 +-- login,1560 -- +-- bash,1629 +-- nc,12137 -lup 50505 { :net = [ [0] "*:50505 IPv4 UDP " ], :fds = [ [0] "/root (cwd)", [1] "/", [2] "/bin/nc.traditional", [3] "/xochikit/ld_poison.so (stat: No such file or directory)", [4] "/dev/tty2", [5] "*:50505" ] } It proved to be very nice formatted and useful for quick discovery thanks to colors provided by the awesome_print gem. However, its output is just a text. One issue is that if I want to share it, I lose colors. I'd also like to fold and unfold parts of objects, quickly jump to specific processes and what not? Adding comments, for example. Thus I want something web-based. What is the best approach to implement features like these? I haven't worked with web interfaces before and I don't have much experience with Ruby.

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  • AWN displaying window icons even when Display Launchers Only selected

    - by EmmyS
    I'm using AWN with the DockbarX applet.I have Display Launchers Only checked in the awn dock properties, but I'm still getting window icons displaying for certain apps when they're open. Any ideas? Here's a screenshot, note the Firefox icon at the top of the bar (shaded icon) which is part of the DockbarX applet,then note it displaying again at the bottom of the bar (indicating an open window.) You can see from the Launchers list in the dock properties that it isn't in fact a launcher. (The Yahoo and Gmail launchers are standalone Prism apps, they don't use the FF Prism extension. And if I mouse over the bottom FF icon, it does display the title of the open Firefox window, not anything using Prism.) Any ideas?

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  • Enterprise Java and Hibernate [closed]

    - by KyelJmD
    I am now done learning the JavaSE. Now , I want to jump out of my comfort zone and learn how to program /create web applications using java. First My Question: What is the difference between Enterprise Java and Hibernate? are they a like? or Hibernate is a framework for java? Now that I am done learning "Core" java I need to move ahead. what are the things I need to learn to use Hibernate? and learn java. as of now I have no idea where should I go after learning "core java". and I don't know what path to go to

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  • How do I install Sublime Text 2?

    - by Michael Gruber
    I installed Sublime Text 2 on 12.04 as per this tutorial. However I don't have adequate permissions when launching the program from the Unity launcher. For example I cannot install packages, or if I add a folder to the sidebar when I close Sublime and reopen, the folder is no longer listed. If I run sudo sublime in the terminal all changes remain after closing. I've tried chown-ing the Sublime Text 2 folder in usr/lib sudo chown -R mylogin:mylogin /usr/lib/"Sublime Text 2" but this seemed to have no effect.

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  • Hard-copy approaches to time tracking

    - by STW
    I have a problem: I suck at tracking time-on-task for specific feature/defects/etc while coding them. I tend to jump between tasks a fair bit (partly due to the inherit juggling required by professional software development, partly due to my personal tendancy to focus on the code itself and not the business process around code). My personal preference is for a hard-copy system. Even with gabillions of pixels of real-estate on-screen I find it terribly distracting to keep a tracking window convienient; either I forget about it or it gets in my ways. So, looking for suggestions on time-tracking. My only requirement is a simple system to track start/stop times per task. I've considered going as far as buying a time-clock and giving each ticket a dedicated time-card. When I start working on it, punch-in; when done working, punch-out.

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  • Right click menu stopped working in firefox

    - by umpirsky
    Right click menu stopped working in firefox as well as address bar auto completion. I have tried removing and installing firefox again from software center, but the problem persist. UPDATE: Hehum, strange. I wanted to restart in safe mode, clicked help menu, and noticed that menu is ubuntu software center menu! Then cllosed software center, and menu was gone. So now right click is working, auto complete is working, but there is no main menu! Probably unity global menu integration problem. Also, there is no firefox in launcher nor alt+tab any more. Any idea? UPDATE: For some reason, it works after computer restart :o

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  • More Collateral to drive Remarketer Activity

    - by martin.morganti(at)oracle.com
    Over the last few months we have added a range of marketing materials to the Remarketer Level pages including an extensive set of Marketing Kits to support the Solution Kits previously available. As part of the continuing program, we have just added some additional training for Remarketers at no cost. In addition to the Oracle 1-Click Technology Products Guided Learning Path which explains about the program and how to position the products, we have added Oracle Database 11g 1-Click Technology Sales Guided Learning Path. This Learning path allows Remarketers to get access to more detailed training on the Oracle 11G database and so develop their understanding of the opportunities they could be benefiting from today, by reselling the 1-click products. This is in direct response to requests to make more training available to the Remarketers, so take the opportunity to let your Remarketer customers and prospects know about this additional training and how they can Jump Start a resell business with Oracle today with No Fees, No Barriers and No Excuses.

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  • Desktop Fun: Football (Soccer) Customization Set

    - by Asian Angel
    Whether you follow the game at an international level, play in a local league of your own, or just play for fun, football (soccer) is an awesome game to be involved in. Now you can bring the passion and excitement of the game straight to your desktop with our Football (Soccer) Customization set Latest Features How-To Geek ETC How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions How to Enable User-Specific Wireless Networks in Windows 7 How to Use Google Chrome as Your Default PDF Reader (the Easy Way) How To Remove People and Objects From Photographs In Photoshop Ask How-To Geek: How Can I Monitor My Bandwidth Usage? Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Lucky Kid Gets Playable Angry Birds Cake [Video] See the Lord of the Rings Epic from the Perspective of Mordor [eBook] Smart Taskbar Is a Thumb Friendly Android Task Launcher Comix is an Awesome Comics Archive Viewer for Linux Get the MakeUseOf eBook Guide to Speeding Up Windows for Free Need Tech Support? Call the Star Wars Help Desk! [Video Classic]

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  • The Best Application Launchers and Docks for Organizing Your Desktop

    - by Lori Kaufman
    Is your desktop so cluttered you can’t find anything? Is your Start menu so long you have to scroll to see what programs are there? If so, you probably need an application launcher to organize your desktop and make your life easier. We’ve created a list of many useful application launchers in different forms. You can choose from dock programs, portable application launchers, Start menu and Taskbar replacements, and keyboard-oriented launchers. HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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  • No Cost 1-Click Remarketer Level Training

    - by martin.morganti(at)oracle.com
    The Remarketer level has proven to be a great success as a way of enabling Remarketers to Jump start a resale business with Oracle. As part of the Knowledge Zone for the 1-Click Products we have some no cost training available - the Oracle 1-Click Technology Products Guided Learning Path - which explains about the program and how to position Oracle products. We have been working to increase the training that is available for Remarketers and I am pleased to let you know that we have recently added more no cost training. The training path that we have released is the Oracle Database 11g 1-Click Technology Sales Guided Learning Path . This set of courses provides more detail on the Oracle 11G Database and will help you to better uncover and exploit opportunities for you to sell Oracle 11G as part of your solutions. So if you are interested in a No Fees, No Barriers No Excuses way to resell Oracle 1-Click products look at the Remarketer page and take the free 1-Click Guided Learning paths in the Training Section to kick start your activity.

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  • Is it normal to not have desktop effects after installing on an Asus N53S?

    - by Fabzter
    I've just installed 11.10 and so far so great, except I just discovered (after looking at another installation) I'm missing some effects. First of all, I am using unity 3d (I chose ubuntu at the login menu), and have already the correct nvidia drivers. Yet, my launcher is the same from unity 2d, the same as the app switcher, and when dragging windows to screen corners, they don't get grabbed. This "error" was present since the begining, so I was not able to detect it. Please help, I want to have an ubuntu experience as nice as everyone else. EDIT 1: I'm using an Asus N53S. My graphic card is Nvidia geforce GT540M. It says cuda, if that matters.

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  • Ubuntu doesn't see my phone (Sony Xperia Tipo)

    - by ola
    When I connect my phone Xperia Tipo to my Ubuntu 12.04, the USB icon does not appear in a launcher. lsusb gives me following results: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 003: ID 8086:0189 Intel Corp. Bus 001 Device 004: ID 1bcf:2880 Sunplus Innovation Technology Inc. Bus 003 Device 003: ID 0fce:5170 Sony Ericsson Mobile Communications AB I installed Wammu and it does not see phone either: Wammu is now searching for phone: All finished, found 0 phones No phone has been found! On the phone I have debbugging turned on and it sees Ubuntu. Can I ask for instruction step by step? I am a begginer on Ubuntu.

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  • Do I really need to "learn" C# for XNA if I know Java?

    - by CJ Sculti
    so I want to start developing in XNA. As of now, I do not know C#, but I would consider myself "good" at Java. I have looked at some C# code and it looks almost IDENTICAL to Java... After looking at this, http://www.harding.edu/fmccown/java_csharp_comparison.html it looks like they are basically the same. Obviously some function names are going to be different, but I think I can handle it. Now if I want to learn game development in XNA, do I really need to "learn" and master C#, or can I just jump right in and learn along the way? I should also mention, I also know PHP which looks very similar...

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  • How to get exfat working in Ubuntu 13.10?

    - by davorao
    In Ubuntu 13.04 there was an option to use the PPA by Relan in order to get ExFat functionality. Seeing that in Ubuntu 13.10 this functionality is available from the repositories without the PPA I tried this but failed to make it work. Trying the PPA in Ubuntu 13.10 does not yield results either, as it complains about missing the fuse-utils package. This package seems to have been removed (https://launchpad.net/ubuntu/saucy/amd64/fuse-utils). So my question is, did the process of using ExFat change since the jump from Ubuntu 13.04 to 13.10 and how do I enable it? Old Way sudo apt-add-repository ppa:relan/exfat sudo apt-get update sudo apt-get install exfat-fuse exfat-utils Tried now via Ubuntu Software Center sudo apt-get install exfat-utils exfat-fuse

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  • Can "go" replace C++? [closed]

    - by iammilind
    I was reading wiki article about "go" programming language, where Bruce Eckel states: The complexity of C++ (even more complexity has been added in the new C++), and the resulting impact on productivity, is no longer justified. All the hoops that the C++ programmer had to jump through in order to use a C-compatible language make no sense anymore --they're just a waste of time and effort. Now, Go makes much more sense for the class of problems that C++ was originally intended to solve. Can go really replace C++(11) for new development in future? How about generic programming? I don't know go , but the amount of time (in)wasted in learning C++ seems to go in vain.

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  • Cooking with Expression: HTML 5 Video for All

    - by David Wesst
    Happy new year everyone! I hope you enjoy the first new episode of 2011. --- In today’s episode we will be cooking up some HTML 5 video. This recipe will let you deliver videos to your users using browsers that support HTML 5, and even handle those who have not made the jump to the latest and greatest browsers. Feel free to leave comments on the page. Feedback is always welcome. Cooking with Expression - HTML 5 Video for All from David Wesst on Vimeo.

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  • JDeveloper 11.1.2 : Command Link in Table Column Work Around

    - by Frank Nimphius
    Just figured that in Oracle JDeveloper 11.1.2, clicking on a command link in a table does not mark the table row as selected as it is the behavior in previous releases of Oracle JDeveloper. For the time being, the following work around can be used to achieve the "old" behavior: To mark the table row as selected, you need to build and queue the table selection event in the code executed by the command link action listener. To queue a selection event, you need to know about the rowKey of the row that the command link that you clicked on is located in. To get to this information, you add an f:attribute tag to the command link as shown below <af:column sortProperty="#{bindings.DepartmentsView1.hints.DepartmentId.name}" sortable="false"    headerText="#{bindings.DepartmentsView1.hints.DepartmentId.label}" id="c1">   <af:commandLink text="#{row.DepartmentId}" id="cl1" partialSubmit="true"       actionListener="#{BrowseBean.onCommandItemSelected}">     <f:attribute name="rowKey" value="#{row.rowKey}"/>   </af:commandLink>   ... </af:column> The f:attribute tag references #{row.rowKey} wich in ADF translates to JUCtrlHierNodeBinding.getRowKey(). This information can be used in the command link action listener to compose the RowKeySet you need to queue the selected row. For simplicitly reasons, I created a table "binding" reference to the managed bean that executes the command link action. The managed bean code that is referenced from the af:commandLink actionListener property is shown next: public void onCommandItemSelected(ActionEvent actionEvent) {   //get access to the clicked command link   RichCommandLink comp = (RichCommandLink)actionEvent.getComponent();   //read the added f:attribute value   Key rowKey = (Key) comp.getAttributes().get("rowKey");     //get the current selected RowKeySet from the table   RowKeySet oldSelection = table.getSelectedRowKeys();   //build an empty RowKeySet for the new selection   RowKeySetImpl newSelection = new RowKeySetImpl();     //RowKeySets contain List objects with key objects in them   ArrayList list = new ArrayList();   list.add(rowKey);   newSelection.add(list);     //create the selectionEvent and queue it   SelectionEvent selectionEvent = new SelectionEvent(oldSelection, newSelection, table);   selectionEvent.queue();     //refresh the table   AdfFacesContext.getCurrentInstance().addPartialTarget(table); }

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  • Dual Screen with 12.04 ATI randr extension is not present

    - by Trevor Pearson
    Here's my problem I have two screens. One is a 22"led monitor and the other is 42 inch led tv. In windows 7 I run xbmc on the second monitor. I'm trying to mimic the same function in setting xbmc to display on the tv only. So I installed the latest x64 linux drivers from ATI. I configured (using the catalyst control panel) using single display (multi desktop) I then got a white screen with black x so I enable xinerama. with xinerama enable I got the displays to work correctly, however I received an error when I tried to enter display settings to change the launcher location. the error message was " "randr extension not present =" So I tried to install libxandr2 using terimal but here's what I get trev@Lrig:~$ sudo get-apt install libxander2 [sudo] password for trev: sudo: get-apt: command not found I'm at a loss now because I can't find a solution for the xandr error message. I'f my specs are important amd athx2 6400+ ghz 8 gigs ram radeon hd6950

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  • Best Way To Develop Robust Cross-Platform Application?

    - by Clay
    Windows C programmer here (going back to 1992 and Windows95 back when it was called Windows93). Can function in C++, but mostly still a C programmer. Looking to build a cross-platform casual game. Very numbers heavy with only a few artistic embellishments and animations, so perhaps a development environment for business apps might be the best option. Or an easy-to-use 2D game dev platform. Target platforms: Windows, Mac, MS Tablet, iPhone, iPad, Android. I currently develop on Windows with Visual Studio 2012, but we could spend up to $50K on hardware/software/middleware if necessary. Not very competent getting open-source software working. Would rather pay the money and jump right into app development. Recommendations?

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  • DBA in Space

    - by Neil Davidson
    Every now and then, you come across an idea that makes your heart jump and your skin tingle. That happened to me a few months ago, when Richard and Anthony pitched a small group of us an idea. "It's called DBA in Space", Richard said. I don't remember the rest of the pitch. "DBA in Space" is one of those phrases that's so simple, remarkable and clear that it sticks and it sticks hard. Sure, lots of people have done much hard, gritty work over the past few months to make it happen. Sure, there's...(read more)

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  • Inspecting the model in a Rails application

    - by Matt Sherman
    I am learning some Ruby on Rails, and am a newbie. Most of my background is in ASP.net MVC on the back end. As I play with a basic scaffold project, I wonder about this case: you jump into an established Rails project and want to get to know the model. Based on what I have seen so far (again, simple scaffold), the properties for a given class are not immediately revealed. I don't see property accessors on the model classes. I do understand that this is because of the dynamic nature of Ruby and such things are not necessary or even perhaps desirable. Convention over code, I get that. (Am familiar with dynamic concepts, mostly via JS.) But if I am somewhere off in a view, and want to quickly know whether the (eg) Person object has a MiddleName property, how would I find that out? I don't have to go into the migrations, do I?

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  • Google Chrome Won't Open

    - by Mike Strand
    When I try to open Google Chrome from the launcher, nothing seems to happen. (this is a new phenomenon, it used to work). I'm on Ubuntu 13.04. When I try to open via the terminal with either $ google-chrome $ google-chrome --incognito I get, ":FATAL:zygote_host_impl_linux.cc(138)] The SUID sandbox helper binary was found, but is not configured correctly. Rather than run without sandboxing I'm aborting now. You need to make sure that /opt/google/chrome/chrome-sandbox is owned by root and has mode 4755." Any help would be appreciated.

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  • To what extent do code-signing certificates boost sales of your software?

    - by Dan W
    In the experiences of everyone here, have you found a certificate to boost sales of your (downloadable) program? I produce .NET software and upon clicking the installation file, Windows 7 pops up a message saying the software is from an "unknown publisher" and to proceed with caution. For Windows 8, this appears to be even more prominent, and may adversely affect the number of downloads, and therefore the number of sales. A certificate will help soften this 'warning' by (for example) changing the warning's colour from orange to blue, and give the publisher's name instead of 'unknown'. But I'd like more tangible evidence since many people are obviously used to that message, and may not care and download anyway. So has anyone noticed a jump in sales after the switch?

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  • How to workaround or diagnose a kernel panic when "safely removing" external hdd?

    - by Shawn
    I'm experiencing an issue when using the "Safely Remove" option to remove my 1TB external HDD from the Unity Launcher. Not every time, but occasionally my screen will go black and display LARGE amounts of text information (which I obviously cannot screen cap). The jist of the info displayed is that unmounting or 'safely removing' the drive causes a kernel panic. Is there a Command Line command to remove mounted drives, or at least one that would show me some sort of error output when the drive is removed? I'm trying to narrow down the cause. I could be imagining this, but it seems to happen most often when I have other programs running when I remove the drive (i.e. Firefox, Transmission). Please note that my external drive is not in use when I attempt to remove it and it is not being used either by Firefox or Transmission at these times. Any help would be appreciated.

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