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  • How to organize a programming course?

    - by Bogdan Gavril
    I've been given the task to train our manual testers to become developers in test (write test automation!). some have basic programing knowledge (either dabbling in PHP or reading stuff) and some who have no experience. Note that I do have teaching experience, but with real students, not employees, and one concern is that they will not put extra hours except the 20% management gave them for the transition. Language to be taught and used: C# We have 8 hours per week to do this and should decide if they will make it in 2 months. I am thinking of a combined approach: use a manual such as Head First C# (although I'm not happy with the labs, they're mostly games and I don't want to add UI complexities) have them read from the manual do labs with them, solving more and more difficult problems and explain the theoretical stuff as well have them do a bigger project towards the end Some questions: do you have a better suggestion as far as manuals go? do you have a better aproach? Focus less on labs? what kind of assesments should I use and how often? should I let them do a bigger project (bank system or small game) and how much time should I invest in that? ideeas on labs? other resources ? Any other tips would be most welcomed! Thanks!

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  • GlassFish v3: Security related updates?

    - by chris_l
    I've used GlassFish v3.0 as my main development application server for a few weeks now. Now that I want to install it on my VPS, I'd like to get the latest security updates, because Glassfish v3 Release 3.0 (Open Source Edition or not) is already a few months old, and v3.1 is only available as "early access" nightlies (see https://glassfish.dev.java.net/public/downloadsindex.html). GlassFish offers an update mechanism (via pkg or updateTool), but when I simply try to get the latest updates (pkg image-update), it finds nothing. However, when I change the preferred publisher to dev.glassfish.org, I get a list with lots of updates. The interesting thing is, that I haven't been able to find any description about the exact meaning of the diverse publishers/repositories (release, stable, contrib and dev) anywhere on the web, most importantly answering the question: Am I supposed to use the "dev" repository for security updates, or is it (probably more likely) for unstable updates? Where do I get security updates from then? Or are there simply no security updates yet? Asking on the GlassFish forum resulted in 56 views, but 0 answers.

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  • Version control and data provenance in charts, slides, and marketing materials that derive from code ouput

    - by EMS
    I develop as part of a small team that mostly does research and statistics stuff. But from the output of our code, other teams often create promotional materials, slides, presentations, etc. We run into a big problem because the marketing team (non-programmers) tend to use Excel, Adobe products, or other tools to carry out their work, and just want easy-to-use data formats from us. This leads to data provenance problems. We see email chains with attachments from 6 months ago and someone is saying "Hey, who generated this data. Can you generate more of it with the recent 6 months of results added in?" I want to help the other teams effectively use version control (my team uses it reasonably well for the code, but every other team classically comes up with many excuses to avoid it). For version controlling a software project where the participants are coders, I have some reasonable understanding of best practices and what to do. But for getting a team of marketing professionals to version control marketing materials and associate metadata about the software used to generate the data for the charts, I'm a bit at a loss. Some of the goals I'd like to achieve: Data that supported a material should never be associated with a person. As in, it should never be the case that someone says "Hey Person XYZ, I see you sent me this data as an attachment 6 months ago, can you update it for me?" Rather, data should be associated with the code and code-version of any code that was used to get it, and perhaps a team of many people who may maintain that code. Then references for data updates are about executing a specific piece of code, with a known version number. I'd like this to be a process that works easily with the tech that the marketing team already uses (e.g. Excel files, Adobe file, whatever). I don't want to burden them with needing to learn a bunch of new stuff just to use version control. They are capable folks, so learning something is fine. Ideally they could use our existing version control framework, but there are some issues around that. I think knowing some general best practices will be enough though, and I can handle patching that into the way our stuff works now. Are there any goals I am failing to think about? What are the time-tested ways to do something like this?

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  • Programming 101 [closed]

    - by Ashish SIngh
    i just got placed after completing my b.tech as an assistant programmer i am curious to know about some things.... i am not at all a very good programmer(in java) as i just started but whenever i see some complicated coding i feel like how man... how they think so much i mean flow and all... what should i do? should i just go with the flow or what?? java is very vast so nobody can memorize everything then how they find so many specific functions to use... should i try to memorize all the syntax stuff or just use google to things and with time it ll be all handy.... what should be my strategy to enhance my skills PS: i love java (crazy about it...) and one more thing, in my company i m not under much pressure so it is good or bad for me???? please guide me. i know you all can help me with your experience :) thank you.

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  • What programming languages have you taught your children?

    - by Dubmun
    I'm a C# developer by trade but have had exposure to many languages (including Java, C++, and multiple scripting languages) over the course of my education and career. Since I code in the MS world for work I am most familiar with their stack and so I was excited when Small Basic was announced. I immediately started teaching my oldest to program in it but felt that something was missing from the experience. Being able to look up every command with the IDE's intellisense seemed to take something from the experience. Sure, it was easy to grasp but I found myself thinking that a little more challenge might be in order. I'm looking for something better and I would like to hear your experiences with teaching your children to program in whatever language you have chosen to do so in. What did you like and dislike? How fast did they pick it up? Were they challenged? Frustrated? Thank you very much!

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  • How to change color AND width of non overlay scrollbars in Ubuntu 12.04

    - by Chuqui
    I know many people have complained about the almost invisible and not usable scrollbars in recent versions of Ubuntu, even after removing or disabling the default overlay scrollbars. I wonder how can I easily change their color AND width. I have a 13.3 inches monitor with a 1600*900 resolution and I can barely see them, as you can see in these images: I already changed Firefox, LibreOffice and some other software's scrollbars using GNOME Color Chooser: By the way, I'm using Unity. Thanks!

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  • Flash Webcam non responsive Ubuntu 11.10

    - by powerbuoy
    I've got the same problem as this gentleman: https://answers.launchpad.net/ubuntu/+source/flashplugin-nonfree/+question/176541 Where the webcam settings / access does not work at all / is completely unresponsive in Ubuntu 11.10. I've tried webcam access in Facebook, Google+, my own code + a number of tutorials/demos and none work. What happens is the settings dialogue is completely unresponsive. Clicking tabs or buttons does nothing. In the question linked to a suggested answer is to run Unity 2D. Unfortunately this does not work for me (the exact same thing happens). I've also tried Gnome 3 which also does not work. Note that it is only the webcam settings that don't work. YouTube videos and annoying banners work just fine. Does anyone know of a workaround for this (except going back to 11.04) or if they've fixed this in 12.04? - also, are any of you experiencing the same thing?

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  • When does "proper" programming no longer matter?

    - by Kai Qing
    I've been a full time programmer for about 8 years now. Web based mostly, ranging in weird jobs for clients. Never anything I "want" to do. So my experience is limited to what I've been contracted to do, having no real incentive to master anything in particular. So here's my scenario and ultimately what I wonder about... I've been building an android game in my spare time. It's using the libgdx library so quite a bit of the heavy lifting is done for me. I don't read much of the docs cause unless it's in tutorial format I will just not care, and ultimately most of my questions have already been asked on stackoverflow. I get along fine and my game works as expected... Suspiciously well, even. So much so that I wonder why one should bother to be "proper" when coding if the end result is ultimately the same. To be more specific, I used a hashtable because I wanted something close to an associative array. Human readable key values. In other places to achieve similar things, I use a vector. I know libgdx has vector2 and vector3 classes, but I've never used them. When I come across weird problems and search stackoverflow for help, I see a lot of people just reaming the questions that use a certain datatype when another one is technically "proper." Like using an ArrayList because it does not require defined bounds versus re-defining an int[] with new known boundaries. Or even something trivial like this: for(int i = 0; i < items.length; i ++) { // do something } I know it evaluates item.length on every iteration. I just don't care. I know items will never be more than 15 to 20 items. So why bother caring if I evaluate items.length on every iteration? So I wonder - why does everyone get all up in arms over this? Who cares if I use a less efficient datatype to get the job done? I ran some tests to see how the app performs using the lazy, get it done fast and don't look back method I just described versus the proper, follow the tutorial and use the exact data types suggested by the community. The results: Same thing. Average 45 fps. I opened every app on the phone and galaxy tab. Same deal. No difference. My game is pretty graphic intensive. It's not like it's just a simple thing. I expected it to perform kind of badly since I don't care to optimize image assets or... well, you probably get the idea. I'm making the game for fun. As a joke, really. But in doing so I'm working outside the normal scope of my job, which is to always follow the rules and do it the right way. So to say, I am without bounds here and this has caused me to wonder why I ever really care to be "proper" So I guess my question to you is this: Is there a threshold when it no longer matters to be proper? Is there a lasting, longer term consequence to the lazy, get it done and don't look back route? Is it ok to say - "so long as it gets the job done, I don't care?" Disclaimer: When I program my game, I am almost always drunk. I do it to remember why I got into this stuff to begin with because the monotony of client based web work will make you hate being a programmer. I'm having a blast and my game is not crashing, tests well, performs well, looks good on all devices so far and has no noticeable negative impact on any of my testing devices. I expected failure because I was being so drunkenly careless with my code, but to my surprise, it had no noticeable impact. I am now starting to question the need to be careful. Help me regain the ability to care! ... or explain why it's not a bad thing to not care. Secondary disclaimer: I am aware of the benefits of maintainability. For myself and others. Agreed. But it's not like someone happening across my inefficient int[] loop won't know what it does. As an experienced programmer those kinds of things are just clear on sight. I document the complex stuff for myself knowing I was drunk and will probably need a reminder. Those notes would clarify any confusion for someone who might ever gaze upon my ridiculous game - though the reality is that either I maintain it myself or it fades into time. I'm ok with that. But if it doesn't slow the device down, or crash, then crossing the t's and dotting the i's might actually require more time than it's worth.

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  • A Simple Guide to Web Programming Services

    The internet has evolved dramatically over the past 10 years or so. From simple static webpages containing no more than text and images, it has transformed to highly interactive content. It has come to the point that the web may very well be your virtual desktop. This article describes the basic foundation of these websites and what makes them tick.

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  • How to practice object oriented programming?

    - by user1620696
    I've always programmed in procedural languages and currently I'm moving towards object orientation. The main problem I've faced is that I can't see a way to practice object orientation in an effective way. I'll explain my point. When I've learned PHP and C it was pretty easy to practice: it was just matter of choosing something and thinking about an algorithm for that thing. In PHP for example, it was matter os sitting down and thinking: "well, just to practice, let me build one application with an administration area where people can add products". This was pretty easy, it was matter of thinking of an algorithm to register some user, to login the user, and to add the products. Combining these with PHP features, it was a good way to practice. Now, in object orientation we have lots of additional things. It's not just a matter of thinking about an algorithm, but analysing requirements deeper, writing use cases, figuring out class diagrams, properties and methods, setting up dependency injection and lots of things. The main point is that in the way I've been learning object orientation it seems that a good design is crucial, while in procedural languages one vague idea was enough. I'm not saying that in procedural languages we can write good software without design, just that for sake of practicing it is feasible, while in object orientation it seems not feasible to go without a good design, even for practicing. This seems to be a problem, because if each time I'm going to practice I need to figure out tons of requirements, use cases and so on, it seems to become not a good way to become better at object orientation, because this requires me to have one whole idea for an app everytime I'm going to practice. Because of that, what's a good way to practice object orientation?

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  • internet connection problem related to a recurring registry error

    - by mats
    I have a Windows XP desktop system connected to the Internet via ethernet LAN. Initially, none of my browsers were connecting to the Internet, but I was able to update my antivirus software and all of my connection settings were perfect. I was able to solve the problem by running WinSock XP, which apparently fixes connection problems that have been caused by registry issues. My problem now is that every time I shut down the machine, the problem comes back (Internet browsers won't connect). Does anyone have any ideas/suggestions on this? Thanks

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  • Macbook (non-pro, late 2010) Power Management Issues relating to Nvidia-Current drivers

    - by gbvitaobscura
    I have tried many potential solutions but to no avail! (this is going to be a long post) Essentially, when I first install ubuntu (I have tested 10.11-12.04 beta) I can change the brightness of the macbook backlight. One of the first things I usually do once my machine finishes installing is enter "sudo apt-get install nvidia-current" into the terminal to get my Nvidia graphics card set up. Before I install nvidia-current power management works flawlessly. After installing nvidia-current my graphics driver works mostly properly (more on that later). When I press F1 or F2 notify osd pops up and shows icon for the backlight along with a meter which changes according to how much I press F1 or F2, but the backlight does not change brightness at all. Two supplementary facts: when I am running off of battery power the backlight does not dim ever, also changing the backlight brightness through the terminal does not work (it recognizes the command but changes nothing). Things which did not work: 1. editing xorg.conf 2. python script/hack 3. editing grub Things which did work: 1. removing Nvidia-Current Final piece of information: Although my graphics card works in every way but Power Management it can not be found through System Settings/Details (Graphics Unknown) I'm using the NVIDIA GeForce 320M. the output of lspci is: 00:00.0 Host bridge: NVIDIA Corporation MCP89 HOST Bridge (rev a1) 00:00.1 RAM memory: NVIDIA Corporation MCP89 Memory Controller (rev a1) 00:01.0 RAM memory: NVIDIA Corporation Device 0d6d (rev a1) 00:01.1 RAM memory: NVIDIA Corporation Device 0d6e (rev a1) 00:01.2 RAM memory: NVIDIA Corporation Device 0d6f (rev a1) 00:01.3 RAM memory: NVIDIA Corporation Device 0d70 (rev a1) 00:02.0 RAM memory: NVIDIA Corporation Device 0d71 (rev a1) 00:02.1 RAM memory: NVIDIA Corporation Device 0d72 (rev a1) 00:03.0 ISA bridge: NVIDIA Corporation MCP89 LPC Bridge (rev a2) 00:03.1 RAM memory: NVIDIA Corporation MCP89 Memory Controller (rev a1) 00:03.2 SMBus: NVIDIA Corporation MCP89 SMBus (rev a1) 00:03.3 RAM memory: NVIDIA Corporation MCP89 Memory Controller (rev a1) 00:03.4 Co-processor: NVIDIA Corporation MCP89 Co-Processor (rev a1) 00:04.0 USB controller: NVIDIA Corporation MCP89 OHCI USB 1.1 Controller (rev a1) 00:04.1 USB controller: NVIDIA Corporation MCP89 EHCI USB 2.0 Controller (rev a2) 00:06.0 USB controller: NVIDIA Corporation MCP89 OHCI USB 1.1 Controller (rev a1) 00:06.1 USB controller: NVIDIA Corporation MCP89 EHCI USB 2.0 Controller (rev a2) 00:08.0 Audio device: NVIDIA Corporation MCP89 High Definition Audio (rev a2) 00:09.0 Ethernet controller: NVIDIA Corporation MCP89 Ethernet (rev a1) 00:0a.0 IDE interface: NVIDIA Corporation MCP89 SATA Controller (rev a2) 00:0b.0 RAM memory: NVIDIA Corporation Device 0d75 (rev a1) 00:15.0 PCI bridge: NVIDIA Corporation Device 0d9b (rev a1) 00:17.0 PCI bridge: NVIDIA Corporation MCP89 PCI Express Bridge (rev a1) 01:00.0 Network controller: Broadcom Corporation BCM43224 802.11a/b/g/n (rev 01) 02:00.0 VGA compatible controller: NVIDIA Corporation Device 08a0 (rev a2) There is a very similar bug on Launchpad which I have posted below. https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/764195

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  • Resources for SQL Server programming?

    - by Undh
    I have tried to search from the web resources for SQL Server programming. Basically I'm trying to search good tutorial for programming SQL Server (creating procedures, triggers, cursors etc.). Can you give some helping hand and show some links for good tutorials?

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  • How do I redirect www and non but not IP

    - by Chad T Parson
    I am trying to redirect www.domain.com or domain.com to www.domain.com/temp.html I am using the following code: RewriteCond %{HTTP_HOST} ^.*$ RewriteRule ^/?$ "http\:\/\/www\.domain\.com\/temp\.html" [R=301,L] That works however I do not want to redirect IP. So if someone types in the static IP of the domain then I do not want them to be redirected to www.domain.com/temp.html Anyone have the code to take care of this?

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  • Install virtualization software on a remote linux machine as a non-root user

    - by Cetin Sert
    Hi, 1) Is there a way for me to install VirtualBox as a non root user? I compiled it from the sources but cannot find a way to load the kernel modules it requires? Is there anyway to make it run? 2) Is there any other virtualization software you have ever installed on linux successfully as a non root user, VMWare, Parallels, etc.? The aim is to run Windows as a virtual machine with more than 16GB RAM. Bests, Cetin

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  • snmp trap using disman-event mib related issue

    - by jatin bodarya
    notificationEvent ifMtu.1 IF-MIB::ifMtu.1 1.3.6.1.2.1.2.2.1.4.1 monitor -I -u root -s -t -r 18 "Warn: High ipp Usage" -e ifMtu.1 1.3.6.1.2.1.2.2.1.4.1 != The above lines are in my snmpd.conf file which is generating a trap when the condition evaluates to false. My issue is that I want to send "Trap Severity Levels" with it. Is it possible? If so, how? If it isn't is there any other way to send them?

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  • Nautilus bookmarks and smb shares work with non-root user

    - by Enrique
    I'm having a problem with Nautilus in Ubuntu 10.10 When I open Nautilus as common user, it shows bookmarks and the bookmarks that point to smb windows shares work fine. However, if I start Nautilus as root, it does not show bookmarks, and if I try to browse a smb share directly (by pressing Ctrl+L and inserting an address like smb://[email protected]/backups/) it doesn't work and gives me an error that it couldn't be found.

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  • Getting a lot of postmaster undeliverable notices for non-existent users

    - by Mike Walsh
    I've had my domain (straightpathsql.com) for a few years now. I host my e-mail with Google Accounts for business and have for awhile. ALl of the sudden in the past week I am starting to get a lot of postmaster delivery fail notices from various domains, most of them involving bogus e-mail addresses at my domain ([email protected], for example)... My assumption here is that someone is trying to relay on some other host (not my hosts which are secure through google apps for business, I presume) and there isn't much I can do to stop it. But I just want to make sure there isn't something else I need to be looking at here.. An example delivery fail notice is below.. I know nothing of those addresses below and they look like garbage... (Quick edit: the reason I get these messages is I set myself up as a catch all, so it doesn't matter what e-mail you send a note to at my domain, I'll get it if the account isn't setup... All of the failure messages are sent to bogus addresses on my domain) The following message to <[email protected]> was undeliverable. The reason for the problem: 5.1.0 - Unknown address error 553-'sorry, this recipient is in my badrecipientto list (#5.7.1)' Final-Recipient: rfc822;[email protected] Action: failed Status: 5.0.0 (permanent failure) Remote-MTA: dns; [118.82.83.11] Diagnostic-Code: smtp; 5.1.0 - Unknown address error 553-'sorry, this recipient is in my badrecipientto list (#5.7.1)' (delivery attempts: 0) ---------- Forwarded message ---------- From: Howard Blankenship <[email protected]> To: omiivi2922 <[email protected]> Cc: Date: Subject: Hi omiivi2922

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  • Is it worth to learn programming for windows?

    - by Herr Kaleun
    as a programmer, i was skeptical about (Microsoft) desktop software back in the early 2000s (i was a kid then) and yet, i was right. So i advanced to PHP in 2004 and began working on Web applications. When i look at the software world today, i really can't understand, how software for Microsoft or call it, "windows" should have a future. Is it still worth, learning it? I have a strong feeling that, in about 3-4 years, mac will have the dominance in the Personal Computer market. If i am wrong, please correct me. Thanks!

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  • dreamweaver disable "language for non unicode programs" detection

    - by YuriKolovsky
    Dreamweaver CS4 auto-detects the language for non unicode programs in windows, in my case it is russian, and conviniently sets the default encoding to be western european instead of the much preferred utf-8, it also changes several bits of text in DW into russian. how do i disable this detection and maintain Dreamweaver in full english? (without having to change the language for non-unicode programs in windows)

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  • C Programming Language and UNIX Pioneer Passes Away

    According to a statement given to the New York Times by Ritchie's brother Bill, Dennis Ritchie was living alone at his home in Berkeley Heights, New Jersey, prior to his death. Richie's health had reportedly deteriorated, and his last years were made difficult by the after effects of treatments for prostate cancer and heart disease. In addition to his brother Bill, Ritchie is survived by his sister Lynn and his other brother John. Dennis Ritchie was born in Bronxville, New York, in 1941. His father was an engineer with Bell Labs and his mother was a homemaker. His family eventually moved...

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  • Installing Perl modules and dependencies with non-root and without CPAN [migrated]

    - by Eegabooga
    I have been writing Perl scripts for my work and the machine that I have been given to work on makes installing Perl modules difficult: We cannot have gcc on my machine for security reasons, so I cannot use CPAN to install modules, for most modules. I do not have access to the root account. Usually, when I want to install a module, I put in a request and I have to wait a day or two before it gets installed. I know that nobody would have a problem with me installing them myself, so to save everyone's time and my sanity I would like to install them myself. It's just an issue of how to best do that. I have talked to various people and they said to use an RPM to install them (to get around not having gcc). However, when trying to install modules from RPMs, it does not handle the dependencies so I would manually need to handle the dependencies, which could take a while. How can I best install Perl modules with these limitations?

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  • Flash Webcam non responsive

    - by powerbuoy
    I've got the same problem as this gentleman: https://answers.launchpad.net/ubuntu/+source/flashplugin-nonfree/+question/176541 Where the webcam settings / access does not work at all / is completely unresponsive in Ubuntu 11.10. I've tried webcam access in Facebook, Google+, my own code + a number of tutorials/demos and none work. What happens is the settings dialogue is completely unresponsive. Clicking tabs or buttons does nothing. In the question linked to a suggested answer is to run Unity 2D. Unfortunately this does not work for me (the exact same thing happens). I've also tried Gnome 3 which also does not work. Note that it is only the webcam settings that don't work. YouTube videos and annoying banners work just fine. Does anyone know of a workaround for this (except going back to 11.04) or if they've fixed this in 12.04? - also, are any of you experiencing the same thing?

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