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  • How to render a texture partly transparent?

    - by megamoustache
    Good Morning StackOverflow, I'm having a bit of a problem right now as I can't seem to find a way to render part of a texture transparently with openGL. Here is my setting : I have a quad, representing a wall, covered with this texture (converted to PNG for uploading purposes). Obviously, I want the wall to be opaque, except for the panes of glass. There is another plane behind the wall which is supposed to show a landscape. I want to see the landscape from behind the window. Each texture is a TGA with alpha channel. The "landscape" is rendered first, then the wall. I thought it would be sufficient to achieve this effect but apparently it's not the case. The part of the window supposed to be transparent is black and the landscape only appears when I move past the wall. I tried to fiddle with GLBlendFunc() after having enabled it but it doesn't seem to do the trick. Am i forgetting an important step ? Thank you :)

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  • Menu bar and launcher missing in new installation of ubuntu 13.04

    - by Assimiz
    I have just installed ubuntu 13.04 on my ThinkPad laptop. I am missing the launcher and upper bar. I only found references to the same problem for upgrades, so I tried everything written here, here and here with no success. However, referring to the second link, I ran ccsm and found my Ubuntu Unity Plugin unchecked. Checking it required to also enable the OpenGL and so I did. But, apparently I am unable to enable the OpenGL. Trying to enable it manually...and the checkbox gets automatically unchecked after few seconds. Please help. Update: I have Intel graphics driver, maybe the problem is specifically with it?. I also tried running ccsm after logging using CTRL+ALT+F1 like given here. I was able to enable OpenGL and the Ubuntu Unity Plugin there, but still, no effect on my display, also after reboot.

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  • Is there a way to specify a CSS3 transition to occur only on :hover and when returning from hover, not on every event? [closed]

    - by Steve
    You could define the transition on the :hover event, which causes the browser to render only the effect into the hover and not out of it. a:hover { transition... } Using scale as an example, an image being scaled up would scale up on hover, but go straight back down without any transition when the cursor leaves the image. Or, you can set the transition on the element directly: a { transition... } Which by definition means any change that effects the scale of the element such as any developer set styles will work, but also the user zooming in and out the page, will cause there to be a transition. All the tutorials being spewed onto the internet at the moment point to using the latter, but wouldn't one consider this a usability flaw for anyone wanting to resize the page or taking any other action that may cause similar scenarios? Pages with large amounts of transitional hover scaling can go pretty mental if you zoom in and out of them.

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  • Where to apply these akonadi settings for mysql-server?

    - by piedro
    I Am using an external mysql-server to work with akonadi. (using KDE4). Now I could solve all problems with it, but I still have to apply some settings to the "mysql-global.conf"-file of the server. That's what is suggested for example: # wait 365d before dropping the DB connection (default:8h) wait_timeout=31536000 So I tried to change this setting via the mysql console. But it's not reflected anywhere in the /etc/mysql/my.cnf file. (etc/akondai/mysql-global.conf seems to have no effect on the mysql-server either!) My question: Where to put these (or similar) settings to apply them in a way that akonadi won't drop the connection with an external server (globally I guess?)?

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  • Impact of migrating home page from HTTP to HTTPS on search results

    - by 2Stroke SEO
    I've had to change one of my site's home page to HTTPS from HTTP. I had plenty of links coming into the HTTP page and was performing well in Google against many of my targeted search phrases. I did a 301 redirect from the HTTP page to transfer the link juice to the HTTPS page (and to prevent duplicate content issues) but my search rankings have tanked which indicates no link juice has been transferred. My PageRank has vanished - which I'd expect - but I'm really surprised that the SERP rankings fell off the face of the earth. Anyone have any ideas how I can recover from this? I've waited a couple of months since the changes took effect just in case Google was taking time to check it out.

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  • Manually re-enable wireless and bluetooth

    - by tacozmeister
    So, today, I decided to turn off bluetooth to save battery power. When I did so, it did everything like normal. Whatever. But whenever I want to re-enable Wifi and Bluetooth, it just has "Enable Wireless" and "Enable bluetooth" grayed out in the respective things on the top-right of the desktop. I am using 12.04 Precise Pangolin on a Dell laptop that has never had wireless problems before. Clicking the grayed-out part does nothing. Re-logging and restarting has no effect, and I'm on an account that has full administrative permission. My attempts: ~$ sudo dmesg | grep wlan0 [19.960211] ADDRCONF(NETDEV_UP): wlan0: link is not ready . ~$ sudo dmesg | grep blue [[nothing]] What do I do to manually re-enable wireless and bluetooth?

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  • Should I be concerned about hAtom tags on my blog?

    - by Sid
    I am using a theme that automatically adds hatom-entry, hatom-feed classes on my WordPress blog. I read that such tags/classes should be used for syndicated content. Anyway, then I ran a Rich Snippet Tool, which threw a "HAtomfeed" error. So I removed a "hfeed" div tag. Now, should I be concerned? Can this cause any problems? I still have a couple of these classes (listed below), and I just hope they do not effect my site's ranking. For now, these are the tags the Rich Snippet Tool has detected: hatom-feed hatom-entry: entry-title: entry-content: published: author: fn: person-name: url: Appreciate your help! Edit: All the content on this weblog is unique and written by me and others. Thought I'd share that.

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  • Create an Even Shadow On an Element [migrated]

    - by youarefunny
    When a box-shadow is applied to an element the corners are less "thick" than the middle because they don't have shadow on both sides. This creates an odd effect on full width elements. http://jsfiddle.net/kevincox/6FhYe/18/ If you look at that example you will see that the edges are lighter. If the "banner" is at the top of a page you can spread it and shift it up but that doesn't work for the middle of the page as you can see the top. I was wondering if anyone had a solution with no images and preferably cross-browser but I can deal with vendor prefixes for a bit. Is there something like a separate horizontal and vertical stretch?

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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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  • How to improve battery life on a HP Pavilion dv6?

    - by user1793249
    I apologise if this question is too similar to the numerous others already asked, but I'm a beginner and I really need your help. So...I've installed Ubuntu 12.10 a few days ago and I have only been able to get up to one hour of battery life. When running Windows 7 I get up to 3-4 hours. My screen is ultra bright, even tough the screen brightness is set to the minimum (I installed xcalib to dim my screen, but it doesn't improve the battery life) I read about Jupiter and installed it, but it doesn't have a noticeable effect. Thanks for your time.

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  • 13.10 suspend kills wifi

    - by ser
    i tried to post to this thread Hardware wireless switch has no effect after suspend and 13.10 upgrade for if i understand their question i am having the same problem but the answer option won't work for me and maybe i am not supposed to post there anyway, i dunno lol...ack when i come out of suspend, the wireless is disconnected with the only way to get it to reinitialize/be recognized is to do a full restart. at first i thought it was my gnome shell (for lock screen disappeared there with 13.10) but when i switched to the default ubuntu it's still doing it and it's kinda driving me nuts for i have to reopen all my files and browsers/tabs/windows everytime. i'm only a geekling so i don't know how to show the terminal stuff the above asker shows, but it sounds like the same issue and it only started with 13.10 upgrade a few days ago. any help would be much appreciated!!! thanks so much ser

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  • Is testable code actually more stable? [closed]

    - by Xodarap
    A google scholar search turns up numerous papers on testability, including models for computing testability, recommendations for how ones code can be more testable, etc. They all come with the assertion that more testable code is more stable, however I can't find any studies which actually demonstrate this. I tried looking for studies evaluating the effect of testable code vs. quality, however the closest I can find is Improving the Testability of Object Oriented Systems, which discusses the relationship between design flaws and testability. Is testable code is actually more stable? And why, or why not? Please back up your answers with references or evidence to back up your claim.

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  • What can I do to make my eService website customers feel it is a luxurious service? [closed]

    - by Farshid
    I'm developing an e-service website that its monetization model is via paid membership. Beside quality service and content, because I'm serving them for a high fee, I want to make them feel like it is a personal, unparalleled kind of service and I want to spend money for creating things that I give them after their registration such as a beautiful physical membership card so that I can use the effect of mouth-words better and beside that let them be proud about the service. I've tried my best to develop the site experience classy and I'm looking for things in real world to send them after their registration (such as membership card and a small paper tutorial). What are your suggestions? Have you seen things like this before that a website sends you some physical things for making you more loyal and/or something like that? Please kindly share your experiences/suggestions.

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  • What about the performance enhancement when using an SSD as the main disk?

    - by motumboe
    I'm planning to buy a new PC and I am thinking about using an SSD as the main disk. I'd also use a standard spinning disk and I'd mount it to /home. To the people already using such a setup: does this induce a practical, noticeable enhancement in performance? I think that access times, rather than transfer rates, are the more useful feature of SSD's. I would like to know if they have a noticeable effect on a desktop installation of Ubuntu. Thanks in advance!

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  • JSR Updates and EC Nominations open

    - by heathervc
    JSR 310, Date and Time API, has published an Early Draft Review 2.  This review closes 14 October. JSR 353, Java API for JSON Processing, has published an Early Draft Review.  This review closes 7 October. JSR 356, Java API for WebSocket, has published an Early Draft Review. This review closes 27 October. JSR 339,  JAX-RS 2.0: The Java API for RESTful Web Services, has published a Public Review. This review closes 12 November. The EC Nominations are now open until 11 October.  Any JCP Member may nominate themselves for the 2 open seats in the 2012 EC Elections.  Note that both seats will be for a 1 year term only, since all EC Members will stand for Election in 2013.  The merged EC will take effect in November 2012.

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  • how to get bash to stop escaping $ during tab-completion?

    - by keturn
    I have this on the command line: ln -sf $PWD/wine- and then I hit tab to complete the filename. In earlier versions of Ubuntu, this worked just fine to complete the wine- filename (and as a side-effect $PWD would be expanded at that time). But now it turns it in to ln -sf \$PWD/wine- which isn't what I meant at all and doesn't complete anything as the file does not literally start with $. How do I get completion back to the less broken behaviour? set tells me these are my current settings: BASHOPTS=checkwinsize:cmdhist:expand_aliases:extquote:force_fignore:hostcomplete:interactive_comments:progcomp:promptvars:sourcepath SHELLOPTS=braceexpand:emacs:hashall:histexpand:history:interactive-comments:monitor

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  • Issue with div image size [migrated]

    - by nextyear
    I hope this helps explain the issue I am having I have recently designed a horizontal scrolling portfolio for a client, the rights and wrongs of horizontal web design, is a sligtly seperate topic but alas the client wanted something different. Im having a real issue with the bottom div though As the monitor size is reduced its creating the browser scroll bar down the side as the div image is overlapping the monitor size. Wouldnt be such a huge issue but because of the nature of the horizontal site its producing a diagional scrolling effect. Is there away to prevent the screen expanding from the actual monitor size using css or anyother solution? I'm probably staring at the answer as I type but brain doesnt seem to be working unfortunately.

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  • Laptop Hibernates after adapter is unplugged

    - by SpyrosR
    Hello i am experiencing a strange problem under Ubuntu 12.04. If I unplug the charger while my laptop is on,i don't see any messages but my laptop goes straight into a suspend or hibernate mode and it's a real pain to get it stable again afterwards. It always suspends (or hibernates) It always takes 2 attempts to restart it (press power button, it starts and it hibernates again, press power button and it starts and stays on) It sometimes has an effect on the wireless which doesn't come back clean and i either have to switch the wireless on and off a couple of times. I sometimes have to restart the laptop totally Is anyone else experiencing the same issues and if yes,is there any solution? Thank you in advance.

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  • Fedora 16 can connect to samba share using smbclient but not in nautilus 3.2.1

    - by Nathan Jones
    I have a machine running Ubuntu 11.10 Server acting as a Samba server to share my home directory. Everything works fine on my Windows 7 machine, but on my Fedora 16 laptop, if I use Nautilus to try to access the share using smb://192.168.0.8/nathan in the location bar, it just has the loading cursor and does nothing. It never shows any errors, nothing. Using smbclient works just fine, but I'd like to get it working in Nautilus. I know that there can be problems with SELinux and Samba, so I created a file called booleans.local that contains samba_enable_home_dirs=1. My smb.conf file looks like this: # For Unix password sync to work on a Debian GNU/Linux system, the following # parameters must be set (thanks to Ian Kahan <<[email protected]> for # sending the correct chat script for the passwd program in Debian Sarge). passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . # This boolean controls whether PAM will be used for password changes # when requested by an SMB client instead of the program listed in # 'passwd program'. The default is 'no'. pam password change = yes # This option controls how unsuccessful authentication attempts are mapped # to anonymous connections map to guest = bad user ########## Domains ########### # Is this machine able to authenticate users. Both PDC and BDC # must have this setting enabled. If you are the BDC you must # change the 'domain master' setting to no # ; domain logons = yes # # The following setting only takes effect if 'domain logons' is set # It specifies the location of the user's profile directory # from the client point of view) # The following required a [profiles] share to be setup on the # samba server (see below) ; logon path = \\%N\profiles\%U # Another common choice is storing the profile in the user's home directory # (this is Samba's default) # logon path = \\%N\%U\profile # The following setting only takes effect if 'domain logons' is set # It specifies the location of a user's home directory (from the client # point of view) ; logon drive = H: # logon home = \\%N\%U # The following setting only takes effect if 'domain logons' is set # It specifies the script to run during logon. The script must be stored # in the [netlogon] share # NOTE: Must be store in 'DOS' file format convention ; logon script = logon.cmd # This allows Unix users to be created on the domain controller via the SAMR # RPC pipe. The example command creates a user account with a disabled Unix # password; please adapt to your needs ; add user script = /usr/sbin/adduser --quiet --disabled-password --gecos "" %u # This allows machine accounts to be created on the domain controller via the # SAMR RPC pipe. # The following assumes a "machines" group exists on the system ; add machine script = /usr/sbin/useradd -g machines -c "%u machine account" -d /var/lib/samba -s /bin/false %u # This allows Unix groups to be created on the domain controller via the SAMR # RPC pipe. ; add group script = /usr/sbin/addgroup --force-badname %g ########## Printing ########## # If you want to automatically load your printer list rather # than setting them up individually then you'll need this # load printers = yes # lpr(ng) printing. You may wish to override the location of the # printcap file ; printing = bsd ; printcap name = /etc/printcap # CUPS printing. See also the cupsaddsmb(8) manpage in the # cupsys-client package. ; printing = cups ; printcap name = cups ############ Misc ############ # Using the following line enables you to customise your configuration # on a per machine basis. The %m gets replaced with the netbios name # of the machine that is connecting ; include = /home/samba/etc/smb.conf.%m # Most people will find that this option gives better performance. # See smb.conf(5) and /usr/share/doc/samba-doc/htmldocs/Samba3-HOWTO/speed.html # for details # You may want to add the following on a Linux system: # SO_RCVBUF=8192 SO_SNDBUF=8192 # socket options = TCP_NODELAY # The following parameter is useful only if you have the linpopup package # installed. The samba maintainer and the linpopup maintainer are # working to ease installation and configuration of linpopup and samba. ; message command = /bin/sh -c '/usr/bin/linpopup "%f" "%m" %s; rm %s' & # Domain Master specifies Samba to be the Domain Master Browser. If this # machine will be configured as a BDC (a secondary logon server), you # must set this to 'no'; otherwise, the default behavior is recommended. # domain master = auto # Some defaults for winbind (make sure you're not using the ranges # for something else.) ; idmap uid = 10000-20000 ; idmap gid = 10000-20000 ; template shell = /bin/bash # The following was the default behaviour in sarge, # but samba upstream reverted the default because it might induce # performance issues in large organizations. # See Debian bug #368251 for some of the consequences of *not* # having this setting and smb.conf(5) for details. ; winbind enum groups = yes ; winbind enum users = yes # Setup usershare options to enable non-root users to share folders # with the net usershare command. # Maximum number of usershare. 0 (default) means that usershare is disabled. ; usershare max shares = 100 # Allow users who've been granted usershare privileges to create # public shares, not just authenticated ones usershare allow guests = yes #======================= Share Definitions ======================= # Un-comment the following (and tweak the other settings below to suit) # to enable the default home directory shares. This will share each # user's home director as \\server\username [homes] comment = Home Directories browseable = yes # By default, the home directories are exported read-only. Change the # next parameter to 'no' if you want to be able to write to them. read only = no # File creation mask is set to 0700 for security reasons. If you want to # create files with group=rw permissions, set next parameter to 0775. ; create mask = 0775 # Directory creation mask is set to 0700 for security reasons. If you want to # create dirs. with group=rw permissions, set next parameter to 0775. ; directory mask = 0775 # By default, \\server\username shares can be connected to by anyone # with access to the samba server. Un-comment the following parameter # to make sure that only "username" can connect to \\server\username # The following parameter makes sure that only "username" can connect # # This might need tweaking when using external authentication schemes valid users = %S # Un-comment the following and create the netlogon directory for Domain Logons # (you need to configure Samba to act as a domain controller too.) ;[netlogon] ; comment = Network Logon Service ; path = /home/samba/netlogon ; guest ok = yes ; read only = yes # Un-comment the following and create the profiles directory to store # users profiles (see the "logon path" option above) # (you need to configure Samba to act as a domain controller too.) # The path below should be writable by all users so that their # profile directory may be created the first time they log on ;[profiles] ; comment = Users profiles ; path = /home/samba/profiles ; guest ok = no ; browseable = no ; create mask = 0600 ; directory mask = 0700 [printers] comment = All Printers browseable = no path = /var/spool/samba printable = yes guest ok = no read only = no create mask = 0700 # Windows clients look for this share name as a source of downloadable # printer drivers [print$] comment = Printer Drivers path = /var/lib/samba/printers browseable = yes read only = yes guest ok = no # Uncomment to allow remote administration of Windows print drivers. # You may need to replace 'lpadmin' with the name of the group your # admin users are members of. # Please note that you also need to set appropriate Unix permissions # to the drivers directory for these users to have write rights in it ; write list = root, @lpadmin # A sample share for sharing your CD-ROM with others. ;[cdrom] ; comment = Samba server's CD-ROM ; read only = yes ; locking = no ; path = /cdrom ; guest ok = yes # The next two parameters show how to auto-mount a CD-ROM when the # cdrom share is accesed. For this to work /etc/fstab must contain # an entry like this: # # /dev/scd0 /cdrom iso9660 defaults,noauto,ro,user 0 0 # # The CD-ROM gets unmounted automatically after the connection to the # # If you don't want to use auto-mounting/unmounting make sure the CD # is mounted on /cdrom # ; preexec = /bin/mount /cdrom ; postexec = /bin/umount /cdrom smbusers: <nathan> = <"nathan"> Any help would be very much appreciated! Thanks!

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  • C# ThreadPool QueueUserWorkItem Synchronization

    - by ikurtz
    Greetings, I am employing ThreadPool.QueueUserWorkItem to play some sound files and not hanging up the GUI while doing so. It is working but has an undesirable side effect. While the QueueUserWorkItem CallBack Proc is being executed there is nothing to stop it from starting a new thread. This causes the samples in the threads to overlap. How can I make it so that it waits for the already running thread to finish running and only then run the next request? Thanks in advance :)

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  • Smooth text animation (Marquee) using WPF

    - by Goran
    Trying to build a marquee control with smooth text animation. Current efforts include: Using translate transform Using animation on Canvas dependency properties (Left, Right) Using animation on custom dependency property (Point) and using drawing visuals (formattedtext) Using CompositionTarget.Rendering But the animation is still choppy and resource intensive. Checklist: Confirmed no software rendering is taking place (ms performance tool and checking RenderCapability.Tier) Calling freeze on any imaginable object Running app on dual core machine with decent graphic card (NVidia 9600) Disabled any bitmap effect and transparency Checked all marquee controls out there (same issues) Any ideas (or better yet code example)?

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  • C# Winforms Transparent Control allowing Clickthrough

    - by Erik Karlsson
    I have a problem, a bit related to: http://stackoverflow.com/questions/855826/c-winforms-transparent-control-allowing-clickthrough Contrary to him i would like to capture mouseevents on my program, while still retaining a "window" to whats behind my program. color.transparent doesnt work, and transparencykey just delivers mouse events to whatever is underneath. Using a panel with transparent backcolor or with a backcolor equal to transparencykey does not give the desired effect. Plz help me :)

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  • WPF Styles Button MouseOver Question.

    - by SO give me back my rep
    Hi, I am trying to make a simple mouseover effect on a button, It does change the color when mouse is over but the color is immediately changed to the default button background... how can I override this behavior? this is my code: Style myBtnStyle = new Style(); Trigger bla = new Trigger() { Property = IsMouseOverProperty, Value = true }; bla.Setters.Add(new Setter(Control.BackgroundProperty, Brushes.Black)); myBtnStyle.Triggers.Add(bla); button2.Style = myBtnStyle;

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