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• Images from remote source - is it possible or is really a bad practice?

  - by user1620696

  I'm building a management system for websites and I had an idea related to image galleries that I'm not sure it's a good approach. Since images might need good deals of space depending on how much images a user uploads an so on, I thought on using cloud services like dropbox, mega and google drive to store images and load then when needed. The obvious problem is that for me this seems a useless solution because it would be slow to download the images from the remote source, making the user experience not so good. Is there any way to save images of a image gallery on remote source without getting the user experience bad because of speed? Or this is really not a good practice?

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• Can't Make Changes via FTP on my Ubuntu Server

  - by Rev

  I'm very new to server management, I literally just set this up for the first time a couple weeks ago, no idea what I'm doing. In order to allow WordPress to run updates, apparently everything needs to be owned by www-data, but if everything is owned by www-data, I can't FTP with the user revxx14. When I try, I can't make any changes (deletions, additions, updating files, nothing. I get permission denied errors across the board). Is there a way to give my user the same permissions as www-data, so that I'll be able to keep www-data the owner, but still be able to make changes via FTP? Thanks.

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• Array sum of difference of first smallest k elment

  - by prateeak ojha

  Hi i come across this challenge on an online programing challange the task is so simple for ex WE have to variable N and K where N is where N is lenght of array and we have to find sum of duiffrence of K smallest element of array as Sample Input 10 4 1 2 3 4 10 20 30 40 100 200 Sample Output 10 Explanation #0 We have 10 as N size of array and K is 4 here the next N values are array's elments in order to find sum of diffrences we will takek smallest values from array which are 1,2,3,4 then will perform operation(sum of difference) as |1-2| + |1-3| + |1-4| + |2-3| + |2-4| + |3-4| = 10 I tried solving the problem and found a way through which i can solve the problem wit N^3 complexity but my solution is rejected i need a approach to solve the problem with n complexity i still can't figure out a way .. looked at some solution but coud'nt find the exact way to approach. if anybody have a better idea and would like to share it would be appreciable thanks in advance

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• Juniper setup on 12.04

  - by Lauran

  I have a laptop with Windows XP and Ubuntu 12.04 (32 bits). Until now, I used Windows XP to connect to a Juniper VPN but now I'd like to try it with Linux. I read the mad scientist walkthrough (including the sun java part) but I can't run the setup. I get the popup that ask me if I'm sure I want to run the applet but then, nothing. mad-scientist says it's probably a C runtime lib problem and suggests to use his script with -nojava but he doesn't say how to install Network Connect in the first place. Any idea? Thanks for any suggestion! Laurian PS: I have: Ubuntu 12.04 32bits Java from Sun 1.6.0.32 Firefox 12 xterm (I think it was suggested somehwere)

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• Resource Managers - Are they any good?

  - by The Communist Duck

  Hey. I've seen many a time in source code, things like this [well, this is more of a pseudo C++ idea of mine] type defshared_ptr ResourcePtr;// for ease ResourcePtr sound1 = resourceManager.Get("boom.ogg"); sound1-Play(); ResourcePtr sprite = resourceManager.Get("sprite.png"); I was just wondering how useful a class like this was, something that: Loaded media files Stored them in memory Did this at the start of a level - loading screen. Cleaned up Rather than having a system of: Resources are held by entities only, or loose. Responsible for own load into memory. The first is a 'manager' as such; something I feel indicates it's wrong to use. However, it allows for something like a vector of resource names to be passed, rather than having to scramble around finding everything that needs to be loaded.

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• Using GDI+ vs HTML page

  - by Umesha MS

  I am working on an application which is UI intensive (i.e. we need to customize all the control to look different). For this is I planned to use GDI+ in win32. But one of the suggestion form our team member is, Instead of using GDI+ he asked me to have a web browser control, in that he asked me to display local html.That html page contains customized controls. Form his suggestion I created a web control and used some UI intensive local html pages. That looks good. But my question is, is it is a good idea to use web control to solve this?

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• Possibility Program for number of pieces

  - by Brad

  I would like to put a program together to calculate the number of 60' pieces would be needed from a list of shorter pieces. For example, I sell rebar cut to length from our standard length of 60'-0". Now the length the customer requires are as follows: 343 pc @ 12.5' 35 pc @ 13' 10 pc @ 15' 63 pc @ 15.5'....... There are 56 total lengths ranging from 12.5' to 30.58' The idea is to limit the amount of waste from the 60' piece. The input from the user would be: number of differnt lengths Length of piece to cut from count of different lengths The result would be the number of prime pieces needed to fulfill the order. What well-known algorithms exist that could help me solve this problem?

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• How to transfer a website hosted online to my Virtual Host

  - by user831740

  I'm doing some work on a webpage, meaning I gotta modify a few things. As a result of this I installed apache and all the things that come associated with it, and also installed Joomla, and I got everything running well. My problem is, I need to make apache run this website locally, so I downloaded the public_html folder from the FTP server on my website, but I have absolutely no idea how to implement the website in order to make it run on apache. I've read a few guides, but they all tell me how to create a new website instead of helping me host a website already done.

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• Ruby on rails not popular in big international IT companies?

  - by maro

  I would like to ask you for advice more experienced ROR developers. I am new in programming and like to idea of ROR and I am before the decision on which programing language to specialize Java vs ROR. In the future I wish to learn for bigger international IT companies (IBM, Accenture etc.) but as I am reading their job openings, most of them are hiring Java, C++, .NET... Is the ROR used only in startups or also in bigger companies as well? What should be the reasons of their preference of Java over ROR?

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• No video signal during: grub, for a moment when I log out and during shut down

  - by hushs

  When I should see the GRUB menu I only see my monitor writes out this: "No optimum mode. Recommended mode: 1600*1200". If i wait for a short while, ubuntu starts to boot and it reaches the desktop. So I guess there is no video signal during that time, there's the grub menu but i cant see it and after the wait time everything is fine. I have the same problem when I log out for a short moment, before the log in screen is reached. and this also happens when i shut down ubuntu. The VGA is an onboard NVIDIA GeForce 7025. Kinda strange problem, I have no idea how to solve this. Please help :)

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• Trying to retrace our SEO domain redirect strategy

  - by dans

  An SEO built a copy of my company's e-commerce site on another domain that contained our product's keywords in the name (i.e. as if Levi's built a duplicate site on bluejeans.com)...and then they referenced a lot of the images on the actual website from the other domain (as if Levis.com had images on it referenced like: img src="http://www.bluejeans.com/jeans-front.jpg"), but when you tried to reach the site by typing the name into the browser you would be redirected to the regular website, so the site wasn't really used for any purpose except I guess SEO. Since I didn't think this was doing anything GOOD for us at the time, I deleted the duplicate site and let the hosting on it expire, only to watch our search engine position rankings fall dramatically. Any ideas as to what was going on there? I want to get it back to understand its impact, but I don't know how it was set up. I contacted our host and they have no idea how it was set up. I suspect there was some sort of redirect in play, or something?

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• Unneeded RAID recovery

  - by Shinhan

  I have two software RAID 5s. Today when I turned on my server (after it was off for two weeks when I was on vacation), I got the message that the software RAID is degraded and was offered RAID recovery console or boot degraded. No idea what to do in that recovery console btw, so I just exited it. After the boot finished normally I took a peak at /proc/mdstat but there is nothing amiss there. So I took a look at mdadm --detail /dev/md0 (and md1) and again everything looks fine with Failed Devices being 0 both times. Next I took a look at smartctl --alll /dev/sdX for all of the drives and Reallocated_Sector_Ct is 0. (Lots of other zeros, all numbers look to me fine) Anybody have any ideas why I'm getting the RAID recovery message on boot when nothing seems bad?

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• How to copy or sync music on iphone 3gs on ubuntu 14.04?

  - by user276842

  I’m using Ubuntu 14.04 and want to copy music to/on my iPhone 3gs. I already installed the actual mobile device, but neither Rhythmbox nor gmusicbrowser show my phone. Only on Gigolo I can see it, and transfer data, but the music I copy is not working on my phone. On Amarok I get at least this information: termined mount-point path to /tmp/kde-cafer/amarok/imobiledevice_uuid_882ba1378fe4eb76e98ad6582dcad031c2247664 calling `ifuse "-u" "882ba1378fe4eb76e98ad6582dcad031c2247664" "-ofsname=afc://882ba1378fe4eb76e98ad6582dcad031c2247664" "/tmp/kde-cafer/amarok/imobiledevice_uuid_882ba1378fe4eb76e98ad6582dcad031c2247664"` with timeout of 10s command failed to start within timeout Failed to mount iPhone on /tmp/kde-cafer/amarok/imobiledevice_uuid_882ba1378fe4eb76e98ad6582dcad031c2247664 Does anyone have an idea? Thanks

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• I cannot login to my ubuntu admin!!!! HELP!

  - by Spinz01

  I used lightdm to hide the users at the login prompt of ubuntu and it hid my account. The only one visible is "other" and it doesn't even have a known password. So, I have accessed the terminal and created a guest account and another account without passwords and they are not visible. I am new to using the terminal so I don't know how to write the commands for either: making all users/accounts visible to the login and/or making the guest accounts visible, and then once in the GUI change the login settings to see my admin account. I have no idea of what else I could do, or even how to do it. I would appreciate any help, I'm in a desperate situation because I really need to access my desktop! THANK YOU!!! Any ideas are appreciated!!!

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• Boot screen appears to be asking a question but garbled

  - by mark kaylor

  I'm running 12.04 Precise Pangolin, Kernel 3.2.0-32 w/ GNOME 3.4.2 I perused the prior questions/answers and did not find exactly the same problem, I am concerned that AUTOFSCK, Grub or some other critical event that needs some attention ? Any idea on how to get my video clean during boot? Once I get past the boot screen the video driver/card, etc is performing beautifully ! Here is a photo of the boot screen; nVidia GeForce CARD INFORMATION (lspci -vvv) 01:00.0 VGA compatible controller: NVIDIA Corporation G72 [GeForce 7300 LE] (rev a1) (prog-if 00 [VGA controller]) Subsystem: Gateway 2000 Device 3a07 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast TAbort- SERR- [disabled] Capabilities: Kernel driver in use: nvidia Kernel modules: nvidia_173, nouveau, nvidiafb Thanks for your help/advice.

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• Java Extends value not updating

  - by James116

  I am currently working on a hibernate project(EJB and JSF), and i have multiple java classes. The data of parent is being change in the front end with JSF, however, it is not updating in the child class. Any idea as to what could be causing this? This is what i was doing. public class parent{ private String x = "UNKNOWN"; //Getters and setters public getX(){ } } public class child extends parent{ public string y{ //this is return UNKNOWN //instead of the new value being change by the user System.out.print(getX()); } } Thanks in advance

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• cocos2dx beginner tutorials

  - by Skeith

  I have tried to start programing with coco2dx but i have no idea where to start and the tutorials are no very not very helpful. What i am looking for is some tutorials/guides on how to begin using cocos2dx for the total beginner. Things like how to setup a project and run it and how to do simple things like draw graphics on the screen, play sounds and get input. I am running on windows 7 and have been told by the cocos2dx wiki that this may cause problems so if anyone has a solution to this that would also be helpful.

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• How can I disable as much "flair" as possible in Unity?

  - by UlfR

  I'm running Ubuntu 11.10 from a fresh install on a somewhat aged computer, so I have some speed problems. But since I do want to use the new cool way to work with things that Unity introduces I do not want to fiddle with getting another desktop environment. My idea is to disable as much flair as possible, but there are tonnes of options that I do not understand or have the time to read up on when I launch CompizConfig Settings Manager. Which of these could safely be disabled? Are there other places where performance could be gained by disabling things? So how can I make the whole thing a little more snappy?

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• Where can I find a collection of photorealistic scenes? [on hold]

  - by emchristiansen

  Where can I find a collection of 10-100 3D scenes with photorealistic levels of detail? For example, the scene rendered here contains photorealistic detail. Note I want the underlying object models, textures, etc, not final renderings. I'll be using these scenes to test a computer vision idea. BTW, this is a reposting of this question. I wasn't able to find a Stack Exchange site that is perfectly suited to the question, but as this is a modeling and rendering question, I'm hoping it is a good enough match for the venue.

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• Neither suspend nor hibernate in 12.10 lubuntu - is there a workaround by scripts?

  - by J.-S. Farinet

  I've neither suspend to ram nor to disk in 12.10 lubuntu (i suspect there might be a kernel issue but i'm only a simple user). Also, the xfce powermanagement which comes with lubuntu by default does not have any effect. Even it doesn't lock the screen when i set this in the preferences: What do when close the lid. So, on a portable that's annoying a lot. Is there some way to workaround by scripts in 'etc/pm/*.d'? TIA for any idea.

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• Hide from google while developing

  - by user210757

  I will be building a (wordpress) web site. While I am developing, other team members will be pushing content. I'd like to have it hidden from google while under development. It will be hosted on godaddy. I have thought of not pointing the domain name to it until live and using "preview dns", or buying a static IP during development. Or hosting dev site in a sub-directory ("/dev/") until ready and then moving it up a level. If in the dev directory I'd add htaccess or robots.txt to not crawl. Is any of this a bad idea? Will google penalize for any of this - like search by IP and then associate that with the domain later on? Any better ideas?

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• Monitor resolution can't be saved

  - by Iztok

  Today I installed Lubuntu 13.10 on Vmware Player (inside Windows). I change the Monitor setting (resolution) from default 800x600 to 1680x1050. It works. Beside Apply, I also press Save button. "Changes are saved" appears. But - after restart, the resolution is again in 800x600. I also opened /etc/xdg/lxsession/Lubuntu/autostart and add (it was empty before) one line: @xrandr --mode 1680x1050 After restart the default resolution is back again. Any idea?

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• I can't install kbibtex (KD4)

  - by kacikuama

  I have ubuntu 11.10 and am trying to install the latest version of kbibtex but I can't do it. Anyone know how to do? I downloaded the tar.bz2 file from KD4 page (http://home.gna.org/kbibtex/download.html), followed the instructions but I get the following error: ~/kbibtex-0.4-beta1/build$ cmake ../ -DCMAKE_INSTALL_PREFIX=home -DCMAKE_BUILD_TYPE=BUILD_TYPE && make -- The C compiler identification is GNU -- The CXX compiler identification is GNU -- Check for working C compiler: /usr/bin/gcc -- Check for working C compiler: /usr/bin/gcc -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working CXX compiler: /usr/bin/c++ -- Check for working CXX compiler: /usr/bin/c++ -- works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done CMake Error at /usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:91 (MESSAGE): Could NOT find Qt4 (missing: QT_QMAKE_EXECUTABLE QT_MOC_EXECUTABLE QT_RCC_EXECUTABLE QT_UIC_EXECUTABLE QT_INCLUDE_DIR QT_LIBRARY_DIR QT_QTCORE_LIBRARY) Call Stack (most recent call first): /usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:252 (_FPHSA_FAILURE_MESSAGE) /usr/share/cmake-2.8/Modules/FindQt4.cmake:1162 (FIND_PACKAGE_HANDLE_STANDARD_ARGS) CMakeLists.txt:7 (find_package) -- Configuring incomplete, errors occurred! Someone can give me an idea of ??what's going on?

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• Drop in rankings after removing sitewide backlinks

  - by user319940

  Here's the scenario: I have a small web design business and was using a branded backlink on the bottom of all client sites. Recently this has become a bit taboo with the Google updates so I went back to a few of my sites and made it so there's only a homepage backlink. After doing this, I've had a drop in rankings, despite this apparently being a best practice. Is this likely a temporary drop that will pick back up? For any new sites, I still want to have a link on all pages of client sites as it's good advertising. I plan to have a do-follow homepage link and then no-follow every other link - is this a good idea?

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• I want to begin in this world, where can i meet information,help and people to start? [on hold]

  - by SYNOXYS

  So like the question says, I really want to begin to create something,or help creating something. I mess around with some 2d and 3d softwares like unity,gamemaker,UE... and tried to modelate (maya,3dmax),I use them a little,nothing professional, but all i've got is the sensation that i can't go really far. I feel like i am learning really slow, even having the will and some basics knows. But I want to change that, i want to really learn, to progress. I think that a good idea is meeting people like me, and start a non-commercial project or something. Thanks for your time,really. Greetings, SYNOXYS.

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