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  • What command are my volume keys running?

    - by user2787904
    In Unity I use my ThinkPad hot keys to change the volume. I need to know the command that these keys run so that I can bind it in my window manager. I have tried using amixer but could not change the volume through command line amixer set Master 10%- amixer: Unable to find simple control 'Master',0 amixer scontrols: Simple mixer control 'IEC958',0 amixer set 'IEC958' 50%- amixer: Invalid command! So obviously this is not what Unity is running. I have tried changing the default sound card as well but that didn't help.

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  • USB Mouse stutters periodically

    - by greggory.hz
    I'm using an HP dv6000 (not sure of exact model) with a pretty basic Logitech wireless laptop mouse. From time to time, the USB mouse will be very stuttery and less responsive. Not all clicks register and the motion is not smooth. It seems like it's related to the notify-osd coming up when I get an IM or Email or whatever else, but it happens other times as well. It's not the whole computer becoming less responsive, because if I use the touch pad during one of these fits, it works perfectly smooth. I've replaced the batteries in the mouse and have tried different USB ports with better line of sight, etc. I can't figure out what's going on. Any thoughts?

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  • This Is My New Post

      This is an article line items 1111 2222 3333     my pdf This is the text This is the end. This site is a resource for asp.net web programming. It has examples by Peter Kellner of techniques for high performance programming...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Package version updates policy

    - by Sandman4
    Not sure if here it's the right place to ask, if not - please point me to the right direction. Let's say there's a package, for the sake of real-world example - bind9. In Precise and in Quantal it's version 9.8.1. The original developer (ISC) currently provide versions 9.8.4 which is a bugfix release in the 9.8 line, and 9.9.2 which is a "new features" branch. It looks like when a security issue is encountered, the specific bugfix is backported into 9.8.1. Now the question: Why maintainers don't just update to the latest bugfix release ? Why to backport only certain patches ? Is it intentionally or just there's no maintaner who would take the effort to update to the latest bugfix release ?

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  • Particles are not moving correctly [closed]

    - by cr33p
    I want to make a particle explosion, after something gets destroyed, but somehow only one line of mixed colors show up on the screen. Here's the header: http://pastebin.com/JW5bPLj2 Here's the source: http://pastebin.com/KHmFqytD I don't get what's wrong, as it's nearly the same as in "Programming Linux Games" Can somebody help me fix that? PS: "Uint32 delta" is needed to update the pixels based on time. PSS: Maybe I should add that it's programmed in C and includes SDL. EDIT: Found the problem. It was the "drawParticles" function. The problem was, that I passed a double to "offset" (as particles[i].x, etc are all doubles). So I ended up with values like ~MAX_INT because I didn't cast the doubles properly to ints.

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  • 2-components color model

    - by Cyan
    RGB is the natural color model for OpenGL. But a lot of other color models exist. For example, CMY(K) for printers, YUV for JPEG, the little cousins YCbCr and YCoCg, HSL & HSV from the 70's, and so on. All these models tend to share a common property : they are based on 3 components. Therefore my question is : Does it exist a 2-components color model ? I'm surprised to not find any. I was expecting something along the line of Hue+light could exist. I guess it cannot be as "complete" as a true 3-components color model, but a fine-enough approximation will be good for my usecase. The end objective is to store the 2 components into a single BC5 texture (GL_COMPRESSED_RED_GREEN_RGTC2 in OpenGL). The 3rd component requires a second fetch into a second texture, which hurts performance.

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  • How to build completely modular web applications

    - by Webnet
    In the coming months we're going to begin a project where we take a system we've built for a client (v1) and rebuild it from scratch. Our goal with v2 is to make it modular, so that this specific client will have their own set of modules they use, then another client may use a different set of modules altogether. The trick here is that Company A might have a series of checkout and user modules that change how that system works. Company B might stick with the standard checkout procedure but customize how products are browsed. What are some good approaches to application architecture when you're building an application from scratch that you want to have a Core that's shared among all clients while still maintaining the flexability for anything to be modified specifically for a client? I've seen CodeIgniter's hooks and don't think that's a good solution as we could end up with 250 hooks and it's still not flexible enough. What are some other solutions? Ideally we won't need to draw a line in the sand.

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  • Part 4 of 4 : Tips/Tricks for Silverlight Developers.

    - by mbcrump
    Part 1 | Part 2 | Part 3 | Part 4 I wanted to create a series of blog post that gets right to the point and is aimed specifically at Silverlight Developers. The most important things I want this series to answer is : What is it?  Why do I care? How do I do it? I hope that you enjoy this series. Let’s get started: Tip/Trick #16) What is it? Find out version information about Silverlight and which WebKit it is using by going to http://issilverlightinstalled.com/scriptverify/. Why do I care? I’ve had those users that its just easier to give them a site and say copy/paste the line that says User Agent in order to troubleshoot a Silverlight problem. I’ve also been debugging my own Silverlight applications and needed an easy way to determine if the plugin is disabled or not. How do I do it: Simply navigate to http://issilverlightinstalled.com/scriptverify/ and hit the Verify button. An example screenshot is located below: Results from Chrome 7 Results from Internet Explorer 8 (With Silverlight Disabled) Tip/Trick #17) What is it? Use Lambdas whenever you can. Why do I care?  It is my personal opinion that code is easier to read using Lambdas after you get past the syntax. How do I do it: For example: You may write code like the following: void MainPage_Loaded(object sender, RoutedEventArgs e) { //Check and see if we have a newer .XAP file on the server Application.Current.CheckAndDownloadUpdateAsync(); Application.Current.CheckAndDownloadUpdateCompleted += new CheckAndDownloadUpdateCompletedEventHandler(Current_CheckAndDownloadUpdateCompleted); } void Current_CheckAndDownloadUpdateCompleted(object sender, CheckAndDownloadUpdateCompletedEventArgs e) { if (e.UpdateAvailable) { MessageBox.Show( "An update has been installed. To see the updates please exit and restart the application"); } } To me this style forces me to look for the other Method to see what the code is actually doing. The style located below is much easier to read in my opinion and does the exact same thing. void MainPage_Loaded(object sender, RoutedEventArgs e) { //Check and see if we have a newer .XAP file on the server Application.Current.CheckAndDownloadUpdateAsync(); Application.Current.CheckAndDownloadUpdateCompleted += (s, e) => { if (e.UpdateAvailable) { MessageBox.Show( "An update has been installed. To see the updates please exit and restart the application"); } }; } Tip/Trick #18) What is it? Prevent development Web Service references from breaking when Visual Studio auto generates a new port number. Why do I care?  We have all been there, we are developing a Silverlight Application and all of a sudden our development web services break. We check and find out that the local port number that Visual Studio assigned has changed and now we need up to update all of our service references. We need a way to stop this. How do I do it: This can actually be prevented with just a few mouse click. Right click on your web solution and goto properties. Click the tab that says, Web. You just need to click the radio button and specify a port number. Now you won’t be bothered with that anymore. Tip/Trick #19) What is it? You can disable the Close Button a ChildWindow. Why do I care?  I wouldn’t blog about it if I hadn’t seen it. Devs trying to override keystrokes to prevent users from closing a Child Window. How do I do it: A property exist on the ChildWindow called “HasCloseButton”, you simply change that to false and your close button is gone. You can delete the “Cancel” button and add some logic to the OK button if you want the user to respond before proceeding. Tip/Trick #20) What is it? Cleanup your XAML. Why do I care?  By removing unneeded namespaces, not naming all of your controls and getting rid of designer markup you can improve code quality and readability. How do I do it: (This is a 3 in one tip) Remove unused Designer markup: 1) Have you ever wondered what the following code snippet does? xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" d:DesignWidth="640" d:DesignHeight="480" This code is telling the designer to do something special with this page in “Design mode” Specifically the width and the height of the page. When its running in the browser it will not use this information and it is actually ignored by the XAML parser. In other words, if you don’t need it then delete it. 2) If you are not using a namespace then remove it. In the code sample below, I am using Resharper which will tell me the ones that I’m not using by the grayed out line below. If you don’t have resharper you can look in your XAML and manually remove the unneeded namespaces. 3) Don’t name an control unless you actually need to refer to it in procedural code. If you name a control you will take a slight performance hit that is totally unnecessary if its not being called. <TextBlock Height="23" Text="TextBlock" />   That is the end of the series. I hope that you enjoyed it and please check out Part 1 | Part 2 | Part 3 if your hungry for more.  Subscribe to my feed CodeProject

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  • Compiz using 40% CPU on Ubuntu 13.10

    - by Olli
    After upgrading to 13.10, compiz process has started taking up to 40% of CPU resources. In addition, Unity is sluggish just like in this recent question Compiz at 30% of CPU on Thinkpad T420. My PC is HP Compaq NX6310 and Compiz version is 0.9.10.2. First I had error message during boot, but did find solution for that (Bug #1014289) by updating the kernel to newer 3.11.4, it did not change the CPU usage. For the CPU problem I tried solution for Bug #1221837 by adding the line MESA_GL_VERSION_OVERRIDE=1.4 in the file /etc/environment - that did not help me, so my problem seems not to be the same bug. Any suggestions on how to resolve this issue?

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  • Ubuntu not starting up after shutdown while upgrading

    - by comatose
    I had ubuntu 11.10 installed and I was upgrading it to Ubuntu 12.04.1. While upgrading my computer got shut down due to heating issues. Afterwards its not starting up and gets stuck at a black screen. I can use ctrl+alt+f1 to go to command line. But I dont know how to resolve this issue from there. It shows me a message the ubuntu release 12.04.1 is available and run the command "do-release-upgrade" to upgrade to it. But when I run this command, it errors out saying "no new release found". Can anyone suggest what to do ? Thanks !

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  • Learn Advanced ADF Online, For Free

    - by Grant Ronald
    The second part of the advanced ADF on line ecourse is now live.  This covers the advanced topics of region and region interaction as well as getting down and dirty with some of the layout features of ADF Faces, skinning and DVT components.  The aim of this course is to give you a self-paced learning aid which covers the more advanced topics of ADF development.  The content is developed by Product Management and our Curriculum development teams and is based on advanced training material we've been running internally for about 18 months. We'll get started on the next chapter, but in the meantime, enjoy chapters one and two.

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  • Where would you start if you were trying to solve this PDF classification problem?

    - by burtonic
    We are crawling and downloading lots of companies' PDFs and trying to pick out the ones that are Annual Reports. Such reports can be downloaded from most companies' investor-relations pages. The PDFs are scanned and the database is populated with, among other things, the: Title Contents (full text) Page count Word count Orientation First line Using this data we are checking for the obvious phrases such as: Annual report Financial statement Quarterly report Interim report Then recording the frequency of these phrases and others. So far we have around 350,000 PDFs to scan and a training set of 4,000 documents that have been manually classified as either a report or not. We are experimenting with a number of different approaches including Bayesian classifiers and weighting the different factors available. We are building the classifier in Ruby. My question is: if you were thinking about this problem, where would you start?

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  • How to properly position 3rd level menu [migrated]

    - by drewrowalnd
    If you look here: http://snippetmagazine.com/ under about isl-board of trustees you can se I have created a third level dropdown, but how can I properly align that drop down? Below you will see my css. #menudiv { width: 999px; float: left; clear: left; height: 250px; background: url(images/top_bg.png) no-repeat; margin-top: 10px; } mainmenu { width: 948px; height: 63px; float: left; margin-left: 16px; margin-top:5px; border: 1px solid #D5D5D5; -moz-border-radius: 3px; -webkit-border-radius: 3px; -webkit-box-shadow: 0px 1px 2px rgba(0, 0, 0, 0.1); -moz-box-shadow: 0px 1px 2px rgba(0, 0, 0, 0.1); background:url(images/nav_bg.gif) repeat; } .mainnav { margin: 0; padding: 0; list-style: none; } .mainnav * { margin: 0; padding: 0; list-style: none; } .mainnav ul { position: absolute; top: -999em; display: none; } .mainnav li { float: left; position: relative; z-index: 999; height: 63px; line-height: 55px; margin-right: 0px; border-right: 1px solid #D5D5D5; } .mainnav li.last { border-right: none; } .mainnav a { display: block; font-size: 19px; margin: 0; color: #cc9900; font-family: Copperplate, Arial, Helvetica, Sans serif; font-weight:600; text-decoration: none; padding: 3px 13px 3px 12px; color: #555; text-shadow: 0 1px 1px white; } .mainnav li:hover { text-decoration: none; border-bottom: solid 0px #ccc; background: white; } .mainnav ul li{ width: 132px; } .mainnav li:hover ul, ul.mainnav li.sfHover ul { left: 0px; top: 50px; padding-top: 0px; width: 132px; border-bottom: solid 0px #eaeaea; background: url(images/nav_dropdown_shadow.gif) repeat-x top; padding: 6px 0 0px 0px; margin: 13px 0 0 -1px; border: 1px solid #D5D5D5; -moz-border-radius-bottomleft: 3px; -webkit-border-bottom-left-radius: 3px; -moz-border-radius-bottomright: 3px; -webkit-border-bottom-right-radius: 3px; -webkit-box-shadow: 0px 1px 3px rgba(0, 0, 0, 0.1); -moz-box-shadow: 0px 1px 3px rgba(0, 0, 0, 0.1); width: 175px; border-bottom-left-radius: 3px 3px; border-bottom-right-radius: 3px 3px; } .mainnav li:hover li ul, .mainnav li.sfHover li ul { top: -999em; } .mainnav li li:hover ul, ul.mainnav li li.sfHover ul { left: 132px; top: -8px; } .mainnav li:hover ul, .mainnav li li:hover ul { top: -999em; } .mainnav li li { color: #555; display: block; padding: 0px; height: auto !important; border: none; width:175px; background: url(images/nav_dropdown_bg.gif) repeat; margin: 0; } .mainnav li li a:link, .mainnav li li a:visited { display: block; height: auto !important; line-height: 30px; color: #333; font-weight: normal; font-family: arial, helvetica, sans-serif; font-size: 12px; border: none; margin: 0; padding-left: 10px; overflow:hidden; border-bottom: 1px solid #E3E3E3; } .mainnav li li :hover{ } .mainnav li li a:hover { background: none; color:#555 ; border-bottom: 1px solid #E3E3E3; }

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  • Calendar icon in unity shows wrong date

    - by felix
    There is a column of icons in unity on the far left and one of them has the number "31" in big numerals. If you mouse over it it says "Google Calendar" and if you click on it you get google calendar which of course shows the correct date. Today is November 3. Shouldn't it say "3" instead? If I type "date" from the command line I get Sun Nov 3 21:19:37 GMT 2013 I see this was fixed for Chrome at least in 2011 http://gmailblog.blogspot.co.uk/2011/04/5-years-of-google-calendar-and-new.html .

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  • Dynamic quicklist: how to reference to .desktop file? (installed in /opt)

    - by Nick Lemaire
    I'm trying to create a dynamic quicklist for an application I'm developing in quickly. This is the line of code I use to try and connect to the .desktop file: self.launcher = Unity.LauncherEntry.get_for_desktop_id("my-app.desktop") For testing purposes, I've found that when using quickly run I should copy the .desktop file to ~/.local/share/applications. When I do this, the quicklist shows up correctly. However, when packaging my app using quickly package --extras, and installing this package, I get a launcher without quicklist. Does this have something to do with my app being installed in /opt? Meaning my desktop file is located somewhere else? Should I use another reference to the desktop file?

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  • How can I handle "NTFS partition is in unsafe state"?

    - by user211040
    Error mounting /dev/sda3 at /media/franklcohen/OS: Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,dmask=0077,fmask=0177" "/dev/sda3" "/media/franklcohen/OS"' exited with non-zero exit status 14: Windows is hibernated, refused to mount. Failed to mount '/dev/sda3': Operation not permitted The NTFS partition is in an unsafe state. Please resume and shutdown Windows fully (no hibernation or fast restarting), or mount the volume read-only with the 'ro' mount option. i get this error i have disabled fast start up in windows 8. what can i do i shut down my computer 4 times in windows and disabled fast start in windows 8. i'm using Ubuntu 13.10. please help thanks.

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  • KeyTouch remaps the delete key

    - by Robert Gowland
    I installed KeyTouch, but it decided that the delete key should be the KeyTouch hot key. So, when I pressed deleted, KeyTouch came up. Next I uninstalled KeyTouch and now the delete key doesn't do anything. Is there any way to remap the delete key to actually delete? Notes: I tried reinstalling KeyTouch, and the same thing happens. KeyTouch does not allow the user to map the delete key. EDIT xev shows keycode 119 when I press the delete key xmodmap shows keycode 119 mapped to Delete NoSymbol Delete running xmodmap -e "keycode 119 = Delete" from the command line does not resolve the issue

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  • How to stop running pidgin at logins and disable window hiding feature?

    - by Behzadsh
    Every time I login into my desktop, pidgin start behind, and sometimes it's bothering me - e.g. when I'm not connected to Internet or when I don't want to be on-line - I check startup application list and there's no pidgin listed. another thing that is very bothering is hiding window feature or what ever it called. assume that you're using MusicTracker plug-in, your status is Busy and you're chatting with someone. when music change, status will change, and then buddy-list will disappear and chat window will minimize. Buddy-list is not important but minimizing chat window when you're chatting is bothering, Is there any way to make pidgin stop that?

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  • Pooling (Singleton) Objects Against Connection Pools

    - by kolossus
    Given the following scenario A canned enterprise application that maintains its own connection pool A homegrown client application to the enterprise app. This app is built using Spring framework, with the DAO pattern While I may have a simplistic view of this, I think the following line of thinking is sound: Having a fixed pool of DAO objects, holding on to connection objects from the pool. Clearly, the pool should be capable of scaling up (or down depending on need) and the connection objects must outnumber the DAOs by a healthy margin. Good Instantiating brand new DAOs for every request to access the enterprise app; each DAO will attempt to grab a connection from the pool and release it when it's done. Bad Since these are service objects, there will be no (mutable) state held by the objects (reduced risk of concurrency issues) I also think that with #1, there should be little to no resource contention, while in #2, there'll almost always be a DAO waiting to be serviced. Is my thinking correct and what could go wrong?

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  • desktop problems in 12.04

    - by joe
    I recently upgraded from 11.10 (i think that was the last version that was out) to 12.04 and ever since i have been unable to start my computer (hp pavillion dv2815nr) in the "normal" mode, but have had to start it using previous versions. Every time I go to start it, it has a plain red screen (which it does in the previous versions as well) and the desktop icons will not respond. Also, the task bar at top is essentially missing, only having a thin black line there, and also missing the icon bar that "pops out" when you scroll along the left side of the screen. Essentially, I'm locked out in normal mode. Nothing will respond.

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  • Java installation for Solaris Studio 12.2

    - by DemiSheep
    I have Solaris Studio almost working. My only issue seems to be Java. Here is what I get: ============================ aflory@aflory-laptop:~$ solstudio & [1] 1723 aflory@aflory-laptop:~$ Solaris Studio is unable to find a supported version of Java. Solaris Studio supports Java version 1.6.0_13 and newer and looks for a valid Java installation in the following order: 1) Location specified with --jdkhome command line option 2) In PATH environment variable 3) At /usr/jdk/latest location, if exists 4) At /usr/java location, if exists 5) At /usr location, if exists ============================ I try typing --jdkhome in the console but I get an command not found error. I have added the following to my /home/aflory/.bashrc file: PATH=$PATH:/usr/java/jdk1.6.0_24/bin:/home/aflory/solstudio12.2/bin export PATH I am running Ubuntu 10.04 64bit. I tried installing the 64 bit version of Java JDK, then I tried installing the 32bit version of Java JDK. I don't believe there is a 64bit version of Solaris Studio.

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  • What is the current frequency of my processor (CPU-Z equivalent)?

    - by Anake
    Is there a ubuntu program like CPU-Z which will show me the actual frequency of my processor? I do a fair amount of scientific computing which leads to me running my programs for up to 10 hrs. To alleviate this problem a little I overclock my CPU. However I can't see what the actual clock of my processor from within ubuntu which means I either have to restart and look at the bios or load into windows. If there was an applet or command line command to find out this information it would be very helpful. Thanks for your help

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  • hi, i have a problem with windows 7 so I use ubuntu to bring back my files , but when I tried to open the files I have this message:

    - by user286972
    Error mounting /dev/sda1 at /media/ubuntu/B800C0C300C08A38: Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=999,gid=999,dmask=0077,fmask=0177" "/dev/sda1" "/media/ubuntu/B800C0C300C08A38"' exited with non-zero exit status 13: ntfs_attr_pread_i: ntfs_pread failed: Input/output error Failed to read NTFS $Bitmap: Input/output error NTFS is either inconsistent, or there is a hardware fault, or it's a SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows then reboot into Windows twice. The usage of the /f parameter is very important! If the device is a SoftRAID/FakeRAID then first activate it and mount a different device under the /dev/mapper/ directory, (e.g. /dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation for more details.

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  • Are the Broadcom drivers in any new releases for my Dell with BCM4401 and BCM4311

    - by ematthe1
    I installed 12.04 on my wife's Dell laptop to replace 10.04. The code for the Broadcom drivers is broken and I am a user, not a coder. Does any available release of Ubuntu have the drivers in place so I can install and run and get my life back after days of thrashing around. I am willing to do some work, but I am not up to heavy duty command line activity. Please help if you can with any information. Thanks in advance. Matt

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  • Ubuntu frozen on boot screen; boot repair fails due to X11 and gtk

    - by anandsun
    I have a year-old HP Pavilion dv6 with Intel i7 processors and graphics card. I had Windows 7 but last week I dual booted Ubuntu. It was working fine until today. I did the following things: Updated Gnome and installed Gnome tweak tool Uninstalled Chromium browser Uninstalled Google Chrome Moved jdk and jre folders from ~/ to /bin using sudo Moved Adobe folder from ~/ to /bin using sudo Then I restarted. Ubuntu froze for half an hour on the purple boot screen. Something I did must have broken it. So, I hit Ctrl + Alt + F1 and managed to log in through the command line. From there, I ran sudo apt-get update and sudo apt-get upgrade. I also updated grub. I also installed boot-repair. However, I cannot run boot-repair, because I keep getting the following errors: Autolaunch error: X11 initialization failed RuntimeError: Gtk couldn't be initialized.

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