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• ISC-DHCP not providing address

  - by kiler129

  I just replaced my old router using server with Ubuntu. Everything's fine except DHCP. When I tried connecting iPhone - it works: http://pastebin.com/NNEeiRLY but unfortunately some of my devices can't get IP from server, e.g. my computer: http://pastebin.com/N6LnsEWC Here's my isc configuration: http://pastebin.com/N5KQnhZV I've also tried running DHCP server as root (because of some permission denied in logs on lease file). What can I do?

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• Using multiplication and division with delta time

  - by tesselode

  Using delta time with addition and subtraction is easy. player.x += 100 * dt However, multiplication and division complicate things a bit. For example, let's say I want the player to double his speed every second. player.x = player.x * 2 * dt I can't do this because it'll slow down the player (unless delta time is really high). Division is the same way, except it'll speed things way up. How can I handle multiplication and division with delta time?

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• How to download apps from different OS to USB and then transfer to Ubuntu?

  - by kb67

  I just installed Ubuntu on my old desktop computer, and I have to say—I freaking love it! Except at the moment I do not have internet connection (i'm using a unsecured connection) and i'm using my Windows 7 Laptop to get a connection to the web. I would love to install some useful apps on the desktop, but I can't figure out how to do this, is there any way to download Ubuntu/Linux apps on my windows computer and put them into a USB then transfer to the desktop?

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• How do I "alt-tab" between windows using Gnome 3?

  - by josmh

  All of the references I've found for Gnome 3 keyboard shortcuts list that alt+tab switches between applications and alt+` switches between windows (some actually say alt+~, but I think they're mistaken, and I've tried both anyway). Maybe that functionality works for Gnome 3 on Fedora or something, because no matter the key combo I try, nothing will switch between windows except for opening the alt+tab dialog and using arrow keys to navigate it (and at that point it's faster to just use a mouse..). How do I quickly switch between windows in Gnome 3?

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• What are some good examples of Powernap scripts and its use?

  - by shootingstars

  I would like to use powernap for putting my media server into suspend mode, and I haven't been able to find any example /etc/powernap/action scripts out there, except these: one two three Does anybody have a good script or recommend particular techniques with its use? From the comments of the default /etc/powernap/action script: # You may do one of: # 1) Write your own custom script below and make this file executable, # calling some specific action, such as: # /usr/sbin/pm-suspend # /usr/sbin/pm-hibernate # /sbin/poweroff # echo 'I am wasting electricity' | mail [email protected] # 2) Replace this file with an executable script or binary # 3) Symlink this file to some other executable script or binary

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• High paid non-finance programming roles? [closed]

  - by Ian

  Besides finance (front-office/high frequency trading) developer roles, are there any other very well paid programming roles, specifically for C++ or Java? One particular industry I would find interesting is the energy industry? However, I completed an internship for one of the massive energy companies and their "IT department" was nothing more than Microsoft Access- they outsourced all the technical work to IBM and Accenture. EDIT: USD 110k+ Defense would sounds great except the fact I am not a US citizen :)

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• Is using HTML entities (for language-specific characters) in UTF-8 necessary?

  - by Drachenzauberei

  As in the subject-line. Saw the situation the other day on a page which felt weird to me. Except for markup-delimiting characters such as pointy brackets or the ampersand, escaping, say, German umlauts shouldn't be necessary, should it? Checked the encoding server-side, in-page and by way of HTTP headers, looks completely UTF-8 to me. What's your take on this and do you reckon it could adversely affect SEO or SERP placement?the page

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• Is there a good commandline console for Windows?

  - by palto

  I usually develop with Ubuntu but now I'm forced to use Windows XP. It's actually pretty okay except the commandline is irritating. I miss resizing the window just with mouse but on windows I have to go inside the menus and change the width manually. Also copy pasting is hard from the console. You can only copy an area of the console, not individual lines. Is there any good alternatives for the default commandline console in windows?

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• xubuntu app menu on wrong side of screen

  - by D0X

  I am using Xubuntu 12.04, with a dual monitor setup (with the nvidia driver xinerama enabled). The top panel is spanned acros the two monitors. This works quite fine, except for one thing. When I click the little Application Menu button on my left screen, the application menu opens on the top right corner of the left screen. This is quite annoying, I fiddled in the panel prefs but could not fix this. Any thoughts?

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• ubuntu 12.04 LTS no sound

  - by harlie

  I just reinstalled ubuntu 12.04 from a DVD that came in the Ubuntu User magazine. I previously had 13.04 but had decided to revert back to the LTS. Now with 12.04 I have no sound when I try to play my music, I tried using Musique and also Rhythm Box they both show playing with the slider but no sound is heard except if the volume is all the way up you can hear a faint hiss or static. Any advice on how to fix this? Thanks Harlie

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• How to hide the admin login form?

  - by John Doe

  In my website there are no accounts except for those of moderators and administrators. That's why I don't want to show the login form to everyone but to these people. I thought of using a weird URL for the login form like www.example.com/1a79a4d60de6718e8e5b326e338ae533 that only admins and mods would know. But it's a quite impractical solution, besides if someone would want to login in another computer and forgets this URL, then is unable to. Is there any more effective way?

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• Wine settings to correct color palette?

  - by alfC

  I have a Windows application (Kidspiration 3 Starter), that when running under wine 1.4 in Ubuntu 12.04 shows a completely distorted color palette that makes the interface unusable. See screenshot. What is usually the way to correct this? Is there a particular wine library that I should switch to native? Other details: wineHQ list Kidspiration 2.1 as "garbage", however version 3 installation and program works, except for the colors.

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• not able to login in ubuntu box with root password

  - by pankaj sharma

  i have ubuntu 10.04 on my sytem, i run command apt-get install csh on the system and try to change the shell by command chsh -s but now the prob is when i try to login the system by ssh i am not able to login by any user account except one and try to change the user su - root it is showing cannot execute c: no such file or directory and look in the /etc/passwd file for root account in shell field C is written in place of /bin/sh help me out to restore the settings

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• What is the best managed VPS Hosting as far as Performance, Cost, and Customer service? [closed]

  - by Scotty

  Possible Duplicate: How to find web hosting that meets my requirements? I'm currently using inmotionhosting which is great in all of the category's listed in this questions title except for the cost. I'm on a tight budget and am looking for something a little more affordable while still have great performance and Customer service. I prefer linux and an affiliate program would also be a huge plus. Any recommendations?

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• Link Building As an Effective Internet Marketing Strategy

  People do not look anywhere else except the online portals to get details about the products and services. The search engine ranking for your site should be such that a lot of visitors come searching for the content of your site. Most of them look for either products or services on major search engines like Google, Yahoo or MSN.

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• Is there a good reason I shouldn't use a java applet for a game?

  - by ryeguy

  I want to make a multiplayer browser-based game. The nice thing about using an applet is that I can make the client and the server in the same language (java/closure/scala/etc). I know there's html5 and javascript, but server side javascript isn't as mature as the jvm platform and browser support is still kind of flaky. Applets don't seem to be widely used (except for Runescape), but is there a reason they're unsuitable or is it just because of the bad reputation they developed in their infancy?

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• How can I get my battery level to display in the notification area (system tray)?

  - by Jon

  I'm trying to use the Awesome window manager with GNOME, i.e. running gnome-session --session=ubuntu on login, and it works great for the most part, except for the fact that the notification area/systray is missing a battery indicator. There's the Network Manager applet (nm-applet), a keyboard icon for switching keyboard layouts, but no battery icon as I would've hoped. I thought the command would be something like gnome-power-manager,

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• 13.04: update-initramfs works but mkinitramfs fails from APT

  - by Phil2.0

  I'm experiencing a strange thing, I've freshly upgraded from 12.10 to 13.04, Everything is fine except that it can't build the initrd image automatically, it fails and prints out the mkinitramfs's Usage output. I tried to debug the "mkinitramfs" script and it appears the $outfile variable is never set. However, I'm able to produce the ramdisk manually like follow: update-initramfs -c -u 3.0.8-23-generic I tried most of the stuff seen on the net: purge, reinstall but no help but nothing, and I can't use linux-image is marked as "broken" but the kernel exists in /boot.

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• Dates set according to location not chosen language

  - by aspersieman

  I recently installed Ubuntu 13.10 chose my location as Thailand/Bangkok, keyboard layout and language as South African English. Everything seems to be set up correctly except wherever a date is displayed it is displayed in Thai, instead of English. This is most noticeable in the clock indicator (see images included for what I mean). How can I change my dates to English (South African locale if possible).

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• External HDMI poor quality

  - by paschoal

  When pluging an external HDMI display, it get detected and everything was supposed to be working right out of the box, except that when set the resolution to 1920x1080, the display on HDMI is really poor quality. Playing around with xrandr, when setting resolution at 1680x1050 or below, everything is smooth, when setting 1920x1080 or 1920x1080i, with wide variety of refresh rates, it's the same poor quality display. Unfortunely I can't post an image showing the exactly issue (low reputation). Specifications: Dell Inspiron 14 (Intel HD Graphics) Samsung TA550

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• Breathing for game/movie characters

  - by dtldarek

  Breathing (the movement of chest and face features): I'd like to ask if it is hard to model and whether it is computationaly expensive. I recently noticed the great effect it has in Madagascar 3 movie, but (please, correct me if I am wrong) don't remember seeing it in any games (except maybe steam cloud in cold/winter setting) and very few animated movies does that to noticable degree (e.g. when it is necessary by the plot or situation). I'd greatly appreciate answers from both movie graphics and game graphics perspective.

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• C# .Net Utility suggestion for personal computer laptop

  - by alliswell

  Hi all, I want know what are utilities you have created for your personal computer or laptop for day to day purpose. Like few may have created task manager or windows service for scheduler, or tool to get latest feeds from SO. Need your experiences, which made your day to day task easier. And I don't want to know any third party(except Commercial) tools. I will not commercialize this ;-), but I want to know how I can utilize my skills to create application for personal use.

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• In dependency injection, is there a simple name for the counterpart of the injected object?

  - by kostja

  In tutorials and books, I have never seen a single word describing the object that the injected object is injected into. Instead, other terms are used, like "injection point" which don't denote the object containing the injected object. And nothing I can think of sounds right, except maybe "injection target" - but I have never read it anywhere. Is there a single word or a simple expression for it, or is it like the "He-Who-Must-Not-Be-Named" from a recent fantasy book series?

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• Is there any way to move the launcher in ubuntu 12.04 LTS?

  - by asker

  I'm am fairly new to Ubuntu and am finding it absolutely wonderful except for one thing, which is the inability to move the launcher. I am used to using windows, and though I hated it, I would like the ability to move the launcher to the bottom, both because I find it more convenient and familiar. I've surfed around and found some methods for Ubuntu 11.10, but nothing for 12.04, so any help would be appreciated. Thank you all for your help!

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• Is there an equivalent of jsqlparser but for SPARQL instead of SQL?

  - by Programmer

  I'm trying to use Java to construct a SPARQL query, and then send it off to a remote database. However, I'm new to both Java and SPARQL, so I was wondering if anyone could explain how to do this, rather than just posting a link. I heard there is a tool called jsqlparser for the same task, except that it's for a SQL to SPARQL conversion using Java. Conversion nor parser won't be necessary, just a method for constructing a query and querying the database provided by the user.

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