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• VirtualBox: Import on different platform

  - by katsumii

  VirtualBox behaves almost the same on different OSes but the default network name for host-only network is different.The picture below is from Windows. On Linux, it will be named "vboxnet0" by default.This causes a problem on cross-platform export/import and it's already reported.#7067 (VERRINTERNALERROR: Inexistent host networking interface, named 'vboxnet0') – Oracle VM VirtualBoxVERR_INTERNAL_ERROR: Inexistent host networking interface, named 'vboxnet0'There are at least 2 workarounds.Open the imported VM in VBox GUI and pick correct network.Run CUI command like below. This one is for Windows.VBoxManage.exe modifyvm node1_1  --hostonlyadapter1 "VirtualBox Host-Only Ethernet Adapter"

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• Is there a name for this issue?

  - by Epicmaster

  I was just talking to my partner about how hard it is to personally judge how good your product is after a while because you use it so often. You literally spend hours on your computer doing nothing but work on this Consumer Facing application, and you start to feel a little fatigue of using it over and over and over, at least a hundred times a day. You get scared this fatigue may mean the product you are building may have the same effect on the users and might mean you are doing something wrong. All i'm asking is, is there a name for this in product development? For the fact that as a designer+ programmer+everything else, your product might not suck as much as you think simply because you spend way to much time with it, or a variation of this?

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• Modal popup showing on the wrong monitor

  - by Chase Seibert

  On Ubuntu 11.10, I'm seeing modals from many applications show up on a different monitor from their parent application. In this example, Firefox, the application on the right most monitor, has popped up a modal dialog in the center monitor. You'll notice that it is not just on the wrong monitor, it's also positioned horizntally against the left edge of that monitor. Vertically, it's centered. This happens for at least Firefox, Eclipse and gedit modals. It seems like it's all applications. It doesn't matter which monitor the parent application is on, the modals are always on the left edge of the center monitor.

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• Leading a not-so-good team

  - by vinoth

  How would you manage if you are allocated a team of 5 with, say, 4 incompetent programmers and you are asked to lead? Obviously you can't code for the 4 guys (you can, but that is not a good idea. At least I burned out doing that). Have you come across these kind of situations? Edit: I think I sounded rude by choosing a wrong word (incompetent) to address my problem. To rephrase the question, how do you deal with people who do not complete assigned tasks (for whatever reasons [ranging from incompetence to 'I don't care' stuff])?

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• update-apt-xapian-index hogs CPU, even when Update Manager is set to not check for updates

  - by Dave M G

  I have a slightly older laptop running Ubuntu 11.10. It runs fine, but frequently, when I start it up, the CPU monitor in my Gnome Panel shows 100% usage for for what can be up to five minutes or so. It seems that the offending process is update-apt-xapian-index, which, if I understand correctly, is the update manager checking for updates. I have gone into the update manager settings, and selected to never check for updates. I'll do that manually when I feel like I have the time to leave the laptop running for that. However, despite my selection, this still happens. Roughly 50% of the time or more, when I start my laptop, it runs update-apt-xapian-index. How can I get the update manager to respect my settings, or at least to get this process to stop eating my CPU cycles?

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• Learning the basics

  - by Kevin

  I am a Linux server administrator first and foremost... Having said that, I have been asked by a former high school teacher of mine to teach students a bit about programming. Like any Linux administrator, I know my fair share of Python and Bash. The problem is that I know NOTHING about the lower level stuff like "machine code" and compilation. The main purpose of this series is to teach programming, not computer science, so I don't need a graduate degree's level of knowledge for this, they will be learning Python first and foremost. However, I would like to learn enough to at least broach the subject with them, any ideas where I can learn that kind of stuff relatively quickly?

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• What is the value of the Cloudera Hadoop Certification for people new to the IT industry?

  - by Saumitra

  I am a software developer with 8 months of experience in the IT industry, currently working on the development of tools for BIG DATA analytics. I have learned Hadoop basics on my own and I am pretty comfortable with writing MapReduce Jobs, PIG, HIVE, Flume and other related projects. I am thinking of taking the exam for the Cloudera Hadoop Certification. Will this certification add value, considering that I have less than 1 year of experience? Many of the jobs I've seen relating to Hadoop require at least 3 years of experience. Should I invest more time in learning Hadoop and improving my skills to take this certification?

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• Closing lid does not suspend laptop

  - by fgysin

  I'm on a Lenovo T400 laptop. In the past I had suspend problems on every second version of Ubuntu (at least it feels like it), but in 11.04 it was working perfectly. Now, after the upgrade to 11.10 closing the laptop lid does no longer initialize suspension. When I choose 'Suspend' from the shutdown menu it works perfectly, so this does not seem to be an issue with suspend itself. The options in System Settings>Power are of course set to suspend in case of closing the lid (both for battery and AC poer). Note: I have no idea if this is of any importance, but I'm running the gnome-session-fallback stuff, as I just hate the Unity desgin.

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• Does HTML5 have a feature that enables a user to add an icon to the Apps screen when "installing", and if not, when are they planning to add it?

  - by Jason Livesay

  I know that the mobile bookmark bubble might sort of work for iOS, but it isn't going in the same section. And for Android, bookmarking is really not going to cut it for a mobile HTML5 application install since users just don't think to go to their bookmarks and that bookmark process takes two or three steps. To me this issue of getting the application (bookmark) installed pretty much makes the rest of the HTML 5 features aimed at mobile HTML much less useful. I can't realistically expect users to prefer the bookmark install and launch process over regular apps, so I can realistically expect them to ignore my mobile HTML5 application and use a native app. The groups behind mobile HTML 5 features do seem to be pushing for HTML 5 apps adoption with things like Application Cache etc. To me it seems obvious that the bookmark bubble is not going to cut it. Someone please tell me they have addressed this or at least are working on it?

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• Web stalker has purchased a domain name that uses my personal name, web page is defamatory [closed]

  - by Deborah Morse-Kahn

  We have been unsuccessful in persuading a stalker's website host to release the domain name he purchased which is my own personal name, e.g., PERSONALNAME.com. You will find my name below in the signature area. Look for yourself. On the one page that this domain name leades to is dreadful and defamatory material. No attorney has felt it worth their time to chase this issue down, and we cannot afford to go to a national or international dispute resolution group to bring this issue to WHOIS. Worse, the stalker is amoral and a psychopath: he would just love the attention. We've even consider trying to find someone to illegally hack into the webpage to at least redirect the domain pointers to my own professional website. This issue has continued now for two years and is affecting my professional reputations as potential clients have looked for me online. Is there any remedy? Your help and advice would be greatly welcomed.

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• How to copy a DVD [closed]

  - by ring0

  I was offered a couple of DVDs from abroad that cannot be played on my player due to region filtering. So I tried k9copy to copy the DVD (it removes the region automatically). But for some reasons the copy does not work well (followed the instructions from here but the generated ISO file does not work / not even in media player - additionally there are many bugs in k9copy 2.3.5 (latest from Ubuntu) showing that it is not a reliable software, at least not on Gnome...). My question is simple: how to copy a DVD on Ubuntu, the copy/ISO being as close to the original, but without the region code.

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• Creating an install of Ubuntu to clone

  - by naaronne

  I work on a team with several other developers. We all have similar hardware and we all run at least the same base development software. We are wishing to upgrade from 10.04 to 10.10 doing a clean install. I am looking for a way to do a base install of Ubuntu, including all our common applications, then clone it to each of the developers drives and then let them further customize their own install. Some considerations would be giving the developer the ability to have their own person id and not the same as which the base install was done with. I know they do this on VMware installs and corporate installs of Windows that can then be customized, but I have not seen this done with Ubuntu yet. Thanks

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• Is having 'Util' classes a cause for concern? [closed]

  - by Matt Fenwick

  I sometimes create 'Util' classes which primarily serve to hold methods and values that don't really seem to belong elsewhere. But every time I create one of these classes, I think "uh-oh, I'm gonna regret this later ...", because I read somewhere that it's bad. But on the other hand, there seem to be two compelling (at least for me) cases for them: implementation secrets that are used in multiple classes within a package providing useful functionality to augment a class, without cluttering its interface Am I on the way to destruction? What you say !! Should I refactor?

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• Is wikipedia a valuable resource for studying data structures? (can we call it complete?)

  - by Amir Nasr

  Can I depend on wikipedia to learn data structures fully using the list of data structures http://en.wikipedia.org/wiki/List_of_data_structures and the links they refer to? The same question for algorithms http://en.wikipedia.org/wiki/List_of_algorithm_general_topics ?... What's after learning algorithms and data structures? Specializing in a certain field of algorithms such as computer graohics, memory management...etc? or what could be the plan for mastering programming after knowing the language syntax and the background about program design and programming logic? I asked about wikipedia because i would like to find a complete resource or are least a resource which would be enough for the field of data structures instead of searching for separate articles in different places in other words an alternative to books which may even be more complete.

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• Speaking at PASS 2012 Summit in Seattle #sqlpass

  - by Marco Russo (SQLBI)

  I will deliver two sessions at the next PASS Summit 2012: one is title Inside DAX Query Plans and the other is Near Real-Time Analytics with xVelocity (without DirectQuery).These will be two sessions that require a lot of preparation and even if I have already much to say, I still have a long work to do this summer in order to go deeper in several details that I want to investigate for completing these sessions.I already look forward to come back in Seattle!In the meantime, you have to study SSAS Tabular and if you want to get a real jumpstart why not attending one of the next SSAS Tabular Workshop Online? We are working on more dates for this fall, but there are a few dates already scheduled.And, last but not least, the early Rough Cuts edition of our upcoming SSAS Tabular book is finally available here (really near to the final print)!

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• Largest successful JavaScript project? [closed]

  - by 80x24 console

  A common theme in the GWT community is "I wouldn't want to build a project of THAT size using a pure JavaScript library!" What is the largest project that you have successfully delivered with frontend functionality written in JavaScript? (not Java or GWT) Please provide at least a hand-wavy SLOC estimate of the unique JS code (not including libraries, frameworks, toolkits, test code, generated code, server-side processing such as PHP, etc.) that was in the finished product. Note to GWT advocates: Please read the question carefully before answering. I've heard plenty of stories about JS failures and GWT successes, but I'd like to hear some quantified JS successes. Note to mods: This is primarily a business-of-software question, not a tools question. It factors into a real-world business decision.

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• Tips for managing internal and external links using WordPress [closed]

  - by keruilin

  So I'm looking for ways to optimize my site for user and search engine purposes. I've read several articles and looked at several different plugins. To say the least, I'm thoroughly confused as what are the best practices for managing internal and external links. Here is a list of some of my questions: Which internal links should be set to "nofollow"? Which external links should be set to "nofollow"? To what degree does actively managing links contribute to your PR? Should you use "nofollow" blindly on all links in comments? If a link to an external site is broken (404 or whatever), should you "nofollow" that link? What about "noindex"? As you can see, lots of questions. I'm hoping that you experienced webmasters can give a newb some best-practice advice.

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• Where does the light come from, using Maya/Panda3D?

  - by Aerovistae

  Total noob to Maya. Total noob to Panda3D. Planning on becoming really good at both as soon as I have free time to do so, but right now I have an assignment due in a few hours which requires this: (The part which confuses me is bolded.) Model and texture a vehicle and two different obstacles Build a scene graph in Panda with a plane, the vehicle, several copies of each of the obstacles, and (at least) a direction light Program vehicle movement, constrained to a plane (no terrain) Working headlights Vehicle collides with obstacles How do I attach a light source to a model? I'm assuming this is done in Panda3D but I'm sufficiently new to this that I wouldn't be astonished to hear it's part of the model.

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• Strategies for removing register_globals from a file

  - by Jonathan Rich

  I have a file (or rather, a list of about 100 files) in my website's repository that is still requiring the use of register_globals and other nastiness (like custom error reporting, etc) because the code is so bad, throws notices, and is 100% procedural with few subroutines. We want to move to PHP 5.4 (and eventually 5.5) this year, but can't until we can port these files over, clean them up, etc. The average file length is about 1000 lines. I've already cleaned up a few of the low-hanging fruit, however the job took almost an entire day for 2 300-500 line files. I am in a quagmire here (giggity). Anyway, has anyone else dealt with this in the past? Are there any strategies besides tracing backwards through the code? Most static analysis tools don't look at code outside of functions - are there any that will look at the procedural code and help find at least some of the problems?

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• Question about SEO and Domains

  - by jasondavis

  This is my first post on here as I am mainly on Stackoverflow and Serverfault. I have been programming for at least 10 years now, have made hundreds of websites but I have just recently started getting into Design and the SEO side of sites, sad that I have been overlooking these for so many years. I have pretty good knowledge from all my years of SEO but I have never really looked into it until now. My question, I would like to build a site that targets many different key words for the search engines, for an example. Let's say I built a site about Outdoor activities called outdoorreview.com and I planned on having many sections hunting fishing Hiking camping cycling climbing etc... For best Search Engine results, how could I get the most search engine traffic to all these ares? Also how should I structure the way to get to them, outdoorreview.com/Hiking/ or hiking.outdoorreview.com ?

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• How to do a login page for third party service without letting them sign on?

  - by AAA

  We have a unique situation (at least for me, first time seeing this). We have a web form where accountants can fill in requests and that part is taken care of. But after their login we redirect them to a third-party website where we need more information from them. The process is crazy right now since we have to give our account login info to all people filing with us. So is there a way in PHP or any other solution where we can after that form on our website auto login with our information to that third party website in a way that our credentials are not visible to the users using the service?

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• How to handle loading and keeping many bitmaps in an Android 2D game

  - by Lumis

  In an Android 2D game which is using SurfaceView where its onDraw is driven by a loop from a Thread, I use many bitmap sprites (sprite sheets) and two background size bitmaps, which are all loaded into memory at the start. It all works fine, however, when the activity is onPause or after reloading it few times, Android shows a tendency to wipe out the big bitmaps only, probably to free memory. Sometimes this happens even in the middle of loading this very activity. In order to counter this, I made a check in the onDraw method to test if the big bitmaps are still there and reload them if they are forcefully recycled by Android, before drawing them on Canvas. This solution may not be the most stable, and since I know that there are much more accomplished android game programmers here than myself, I hope you can reveal some tricks or secrets or at least provide some good hints, how to overcome this.

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• How to script a reinstall (apt repo's and installed packages)

  - by Kurtosis

  I need to wipe my hard drive and reinstall Ubuntu. /home is on a separate partition, so I can back that up to a backup drive, then copy it back to the wiped drive, install ubuntu, and point it at the existing /home, no problem. However, I also want to script a reinstall of all my apt repo's and the packages I currently have installed, so I don't have to waste hours doing that manually. Anyone know a good way to do this? PS - At least, I'm pretty sure I have to wipe the drive. Need to install Windows 7, and only have an HP system restore disk that formats the whole drive, and not a legit Windows 7 install disk that lets me install on a single partition. If somebody know a way to trick the system restore disk to install only to a single partition, I'd love to hear it.

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• What kind of connection this is?

  - by Rohit

  I happened to use `netstat' program this morning.. And what I couldn't understand its results. The snap-shot of the results window is given below: Screen-shot is at http://s2.postimg.org/3zt058415/image.png ( I can't post images! :/ ) Can somebody explain me the last entry in the results, where I've pointed them with arrows? [1] I don't understand why `canonical' servers are connected with my computer even if I am not currently using anything that I would expect such a connection to exist. [2] Second, I don't see the PID/Program name of the Program which has made this connection. I would at-least expect a PID.

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• Why is Android VM-based? [closed]

  - by adib

  By about 2004, it was clear that ARM is the clear winner for mobile CPUs, beating out MIPS, SH3, and DragonBall. PocketPC (Windows Mobile) applications was natively-compiled (at least most of them - except for .NET compact and its competitors). Likewise, Apple's iOS (named iPhone OS at the time) prefers natively-compiled applications. Then why Android chose a virtual machine based system stack? (the Dalvik VM). Wouldn't it be simpler to just compile applications down to ARM code using GCJ or something? Is the decision influenced by the J2ME-way of doing things, or was just because it's "cool"? Perhaps like most things Java, the culture that prefers multiple levels of indirection and abstractions, they just added another layer of abstraction for "just in case"?

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