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• Collision detection with non-rectangular images

  - by Adam Smith

  I'm creating a game and I need to detect collisions between a character and some parts of the environment. Since my character's frames are taken from a sprite sheet with a transparent background, I'm wondering how I should go about detecting collisions between a wall and my character only if the colliding parts are non-transparent in both images. I thought about checking only if part of the rectangle the character is in touches the rectangle a tile is in and comparing the alpha channels, but then I have another choice to make... Either I test every single pixel against every single pixel in the other image and if one is true, I detect a collision. That would be terribly ineficient. The other option would be to keep a x,y position of the leftmost, rightmost, etc. non-transparent pixel of each image and compare those instead. The problem with this one might be that, for instance, the character's hand could be above a tile (so it would be in a transparent zone of the tile) but a pixel that is not the rightmost could touch part of the tile without being detected. Another problem would be that in different frames, the rightmost, leftmost, etc. pixels might not be at the same position. Should I not bother with that and just check the collisions on the rectangles? It would be simpler, but I'm afraid people.will feel that there are collisions sometimes that shouldn't happen.

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• How can I see logs in a server after a kernel panic hang?

  - by Low Kian Seong

  I am running a production gentoo Linux machine, and recently there was a situation where the server hung in my co-located premises and when I got there I noticed that the server was hung on what appeared to be a kernel panic hang. I rebooted the machine with a hard reboot and was disappointed to find out that I could not find a shred of evidence anywhere on why the machine hung. Is it true that when I do a hard reboot the messages itself will get lost or is there a setting I can do somewhere say in syslog-ng or maybe in sysctl to at least preserve the error log so that I can prevent such mishaps from happening in the future ? I am running a 2.6.x kernel by the way. Thanks in advance.

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• This for array colllision function doesn't work with anything but first object in array

  - by Zee Bashew

  For some reason, this simple simple loop is totally broken. (characterSheet is my character Class, it's just a movieClip with some extra functionality) (hitBox, is basically a square movieclip) Anyway: every time hitBox make contact with a characterSheet in a different order than they were created: Nothing happens. The program only seems to be listening to collisions that are made with o2[0]. As soon as another hitBox is created, it pushes the last one out of o2[0] and the last one becomes totally useless. What's super weird is that I can hit characterSheets in any order I like.... public function collisions(o1:Array, o2:Array) { if((o1.lenght>=0)&&(o2.length>=0)){ for (var i = 0; i < o1.length; i++) { var ob1 = o1[i]; for (var f = 0; f < o1.length; f++) { var ob2 = o2[f]; if (ob1 is characterSheet) { if (ob2.hitTestObject(ob1)) { var right:Boolean = true; if (ob1.x < hitBox(ob2).origin.x) right = false; characterSheet(ob1).specialDamage(hitBox(ob2).damageType, hitBox(ob2).damage, right); }}}}}} Also it might be somewhat helpful to see the function for creating a new hitBox public function SpawnHitBox(targeted, following, atype, xoff, yoff, ... args) { var newHitBox = new hitBox(targeted, following, atype, xoff, yoff, args); badCollisionObjects.push(newHitBox); arraydictionary[newHitBox] = badCollisionObjects; addChild(newHitBox); }

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• Laptop connecting to Wifi but not to internet

  - by eddard stark

  My friends laptop is able to connect to the wifi router . Typing 192.168.1.1 in the browser shows the login page for the router . But he cannot connect to the internet. This is true on both windows and linux (dual booting setup) . There are 3 other laptops connecting to the internet via wifi just fine and his was fine too until this happened all of a sudden . I tried doing a tracert from windows to an external ip . The first hop to the modem is fine but then the packets seem to be getting dropped . If his wifi adapter is damaged how is it connecting to the modem via wifi . I havent asked a question here before but this is really weird . If anyone needs any more information I shall post it here.

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• With Slick, how to change the resolution during gameplay?

  - by TheLima

  I am developing a tile-based strategy game using Java and the Slick API. So far so good, but I've come to a standstill on my options menu. I have plans for the user to be able to change the resolution during gameplay (it is pretty common, after all). I can already change to fullscreen and back to windowed, this was pretty simple... //"fullScreenOption" is a checkbox-like button. if (fullScreenOption.isMouseOver(mouseX, mouseY)) { if (input.isMouseButtonDown(Input.MOUSE_LEFT_BUTTON)) { fullScreenOption.state = !fullScreenOption.state; container.setFullscreen(fullScreenOption.state); } } But the container class (Implemented by Slick, not me), contrary to my previous beliefs, does not seem to have any resolution-change functions! And that's pretty much the situation...I know it's possible, but i don't know how to do it, nor what is the class responsible! The AppGameContainer class, used on the very start of the game's initialization, is the only place with any functions for changing the display-mode that I've found so far, but it's only used at the very start, and i haven't found a way to travel back to it from my options menu. //This is my implementation of it... public static void main(String[] args) throws SlickException { AppGameContainer app = new AppGameContainer(new Main()); // app.setTargetFrameRate(60); app.setVSync(true); app.setDisplayMode(800, 600, false); app.start(); } I can define it as a static global on the Main, but it's probably a (very) bad way to do it...

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• AD Stopping A script and Adding a Value to A User's Account Attribute

  - by Steven Maxon

  ‘This will launch the PPT in a GPO Dim ppt Set ppt = CreateObject("PowerPoint.Application") ppt.Visible = True ppt.Presentations.Open "C:\Scripts\Test.pptx" ‘This is the batch file at the end of the PPT that records the date, time, computer name and username echo "Logon Date:%date%,Logon Time:%time%,Computer Name:%computername%,User Name:%username%" \servertest\g$\Tracking\LOGON.TXT ‘This is what I need but can’t find: I need the script to check a value in the Active Directory user’s account in the Web page: attribute that would shut off the script if the user has already competed reading the presentation. Could be as simple as writing XXXX. I need the value XXXX written to the Active Directory user’s account in the Web page: attribute when they finish reading the presentation after they click on the bat file so the script will not run again when they log in. Thanks for any help.

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• Is there a software package that safely allows SSH via web on simple web host?

  - by spoulson

  I want to be able to use a secured web page on my shared web host to make SSH connections out to any destination. A shared web host is cheap and easy to maintain, and usually allows ssh to the web server. There are times I'd like to ssh into my web server, but don't have direct ssh connectivity. I'm aware of consoleFISH, Ajaxterm, and Anyterm. The problem is consoleFISH is a man-in-the-middle by design, and Ajaxterm/Anyterm require running a daemon process on the hosting server. Web hosts can usually support cron jobs, but not continuously running daemon processes. Additional Apache modules are usually out, too, as they require reconfiguration of the server and affects all other customers. Are there any software packages out there I can run on my shared web hosting account that provide a true ssh experience with these limitations?

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• Powershell if statement not working - help!

  - by Dmart

  I have a batch file that takes a computer name as its argument and will install Java JRE on it remotely. Now, Im trying to run this Powershell script to repeatedly call the batch file and install Java on any system that it finds without the latest version. It seems to run error-free, but the statements inside the if code block never seem to run - even when the if conditional test evaluates to true. Can anyone look at this script and point out what I'm possibly missing? I'm using the Quest AD cmdlets, and BSOnPosh module. Thank you. get-qadcomputer -sizelimit 0 -name mypc* -searchroot 'OU=MyComputers,DC=MyDomain,DC=lcl'| test-host -property name |ForEach-Object -process { $targnm = $_.name $tststr=reg query "\\$targnm\HKLM\SOFTWARE\JavaSoft\Java Runtime Environment" /v Java6FamilyVersion if(-not ($tststr | select-string -SimpleMatch '1.6.0_20')) { $mssg="Updating to JRE 6u20 on $targnm" Out-Host $mssg Out-File -filepath c:\install_jre_log.txt -inputobject $mssg -Append cmd /c \\server\apps\java\installjreremote.cmd $targnm } else { $mssg ="JRE 6u20 found on $targnm" Out-Host $mssg Out-File -filepath c:\install_jre_log.txt -inputobject $mssg -Append } }

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• How to improve Minecraft-esque voxel world performance?

  - by SomeXnaChump

  After playing Minecraft I marveled a bit at its large worlds but at the same time I found them extremely slow to navigate, even with a quad core and meaty graphics card. Now I assume Minecraft is fairly slow because: A) It's written in Java, and as most of the spatial partitioning and memory management activities happen in there, it would naturally be slower than a native C++ version. B) It doesn't partition its world very well. I could be wrong on both assumptions; however it got me thinking about the best way to manage large voxel worlds. As it is a true 3D world, where a block can exist in any part of the world, it is basically a big 3D array [x][y][z], where each block in the world has a type (i.e BlockType.Empty = 0, BlockType.Dirt = 1 etc.) Now, I am assuming to make this sort of world perform well you would need to: A) Use a tree of some variety (oct/kd/bsp) to split all the cubes out; it seems like an oct/kd would be the better option as you can just partition on a per cube level not a per triangle level. B) Use some algorithm to work out which blocks can currently be seen, as blocks closer to the user could obfuscate the blocks behind, making it pointless to render them. C) Keep the block object themselves lightweight, so it is quick to add and remove them from the trees. I guess there is no right answer to this, but I would be interested to see peoples' opinions on the subject. How would you improve performance in a large voxel-based world?

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• How can I remove duplicate icons for "launched" java programs in the launcher?

  - by Tim

  When launching java programs (like IntelliJ IDEA and Crashplan) in Natty's Unity launcher, duplicate icons are shown (see image). For IntelliJ I created the .desktop file, for Crashplan the .desktop file is supplied with the application. Is there something that can be changed in the .desktop files (or somewhere else) that can prevent this from occurring? I couldn't find a bug report for unity itself but programs like Gnome-Do/Docky have bug reports and had to make internal changes to their applications to prevent this. In this image the 1st icon is the one created from the .desktop file and the second icon is after launching it. Second icon disappears when closing the application. Custom IntelliJ .desktop file #!/usr/bin/env xdg-open [Desktop Entry] Version=1.0 Type=Application Terminal=false Icon[en_US]=/opt/idea/bin/idea128.png Name[en_US]=IntelliJ IDEA Exec=/opt/idea/bin/idea.sh Name=IntelliJ IDEA Icon=/opt/idea/bin/idea128.png StartupNotify=true Crashplan provide .desktop file [Desktop Entry] Version=1.0 Encoding=UTF-8 Name=CrashPlan Categories=; Comment=CrashPlan Desktop UI Comment[en_CA]=CrashPlan Desktop UI Exec=/usr/local/crashplan/bin/CrashPlanDesktop Icon=/usr/local/crashplan/skin/icon_app_64x64.png Hidden=false Terminal=false Type=Application GenericName[en_CA]=

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• What to do when TDD tests reveal new functionality that is needed that also needs tests?

  - by Joshua Harris

  What do you do when you are writing a test and you get to the point where you need to make the test pass and you realize that you need an additional piece of functionality that should be separated into its own function? That new function needs to be tested as well, but the TDD cycle says to Make a test fail, make it pass then refactor. If I am on the step where I am trying to make my test pass I'm not supposed to go off and start another failing test to test the new functionality that I need to implement. For example, I am writing a point class that has a function WillCollideWith(LineSegment): public class Point { // Point data and constructor ... public bool CollidesWithLine(LineSegment lineSegment) { Vector PointEndOfMovement = new Vector(Position.X + Velocity.X, Position.Y + Velocity.Y); LineSegment pointPath = new LineSegment(Position, PointEndOfMovement); if (lineSegment.Intersects(pointPath)) return true; return false; } } I was writing a test for CollidesWithLine when I realized that I would need a LineSegment.Intersects(LineSegment) function. But, should I just stop what I am doing on my test cycle to go create this new functionality? That seems to break the "Red, Green, Refactor" principle. Should I just write the code that detects that lineSegments Intersect inside of the CollidesWithLine function and refactor it after it is working? That would work in this case since I can access the data from LineSegment, but what about in cases where that kind of data is private?

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• mRemote and RoyalTS both are not able to RDP connect me to a Windows Server 2008 system?

  - by djangofan

  I am completely stuck on this one. If I start a RDP session independently of these 2 programs everything works fine. My RDP session connects, I click "OK" to accept the "Notice To Users" security message and then it shows me the login screen where I enter my password manually. Now, if I try to use either mRemote or RoyalTS to create this connection, I get the same behavior except that I get a "The user name or password is incorrect." message. Now, I know this cannot be true since I can manually connect with RDP. So, what is the problem with these 2 pieces of software that prevents me from logging in? I have no problems with connecting to Windows XP systems with these programs. Additionally, I wish I knew how to get one of these programs to automatically click the "OK" button on the "Notice To Users" message while automatically attempting to log me in as part of the login process. Can they do that?

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• How to do a multishot in xna?

  - by DeVonte

  I am trying to simulate a gun in which shoots multiple bullets at the same time(similar to a spread out shot). I am thinking I have to create another bullet array then do the same as I have below but in a different direction. Here is what I have so far: foreach (GameObject bullet in bullets) { // Find a bullet that isn't alive if (!bullet.alive) { //And set it to alive bullet.alive = true; if (flip == SpriteEffects.FlipHorizontally) //Facing right { float armCos = (float)Math.Cos(arm.rotation - MathHelper.PiOver2); float armSin = (float)Math.Sin(arm.rotation - MathHelper.PiOver2); // Set the initial position of our bullets at the end of our gun arm // 42 is obtained by taking the width of the Arm_Gun texture / 2 // and subtracting the width of the Bullet texture / 2. ((96/2)=(12/2)) bullet.position = new Vector2( arm.position.X + 42 * armCos, arm.position.Y + 42 * armSin); // And give it a velocity of the direction we're aiming. // Increae/decrease speed by changeing 15.0f bullet.Velocity = new Vector2( (float)Math.Cos(arm.rotation - MathHelper.PiOver4 + MathHelper.Pi + MathHelper.PiOver2), (float)Math.Sin(arm.rotation - MathHelper.PiOver4 + MathHelper.Pi + MathHelper.PiOver2)) * 15.0f; } else //Facing left { float armCos = (float)Math.Cos(arm.rotation + MathHelper.PiOver2); float armSin = (float)Math.Sin(arm.rotation + MathHelper.PiOver2); //Set the initial position of our bullet at the end of our gun arm //42 is obtained be taking the width of the Arm_Gun texture / 2 //and subtracting the width of the Bullet texture / 2. ((96/2)-(12/2)) bullet.position = new Vector2( arm.position.X - 42 * armCos, arm.position.Y - 42 * armSin); //And give it a velocity of the direction we're aiming. //Increase/decrease speed by changing 15.0f bullet.Velocity = new Vector2( -armCos, -armSin) * 15.0f; } return; }// End if }// End foreach

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• Define a Policykit action for Upstart

  - by gentakojima

  I'm trying to get some user to start, stop and reload services by using the udev Upstart interface. I'm using Ubuntu 10.04. I created the file /usr/share/polkit-1/actions/com.ubuntu.Upstart0_6.Job.policy <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE policyconfig PUBLIC "-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN" "http://www.freedesktop.org/standards/PolicyKit/1.0/policyconfig.dtd"> <policyconfig> <vendor>UXITIC</vendor> <vendor_url>http://citius.usc.es/</vendor_url> <icon_name>gdm</icon_name> <action id="com.ubuntu.Upstart0_6.Job.Stop"> <_description>Stops a service</_description> <_message>Privileges are required to stop a service.</_message> <defaults> <allow_inactive>no</allow_inactive> <allow_active>auth_admin_keep</allow_active> </defaults> </action> </policyconfig> And also the corresponding authority file /etc/polkit-1/localauthority/50-local.d/10-allow-users-to-start-and-stop-services.pkla [Stop services] Identity=unix-user:jorge Action=com.ubuntu.Upstart_0.6.Job.Stop ResultAny=no ResultInactive=no ResultActive=auth_self But when I try to stop a service, I get Access Denied :( jorge$ dbus-send --print-reply --system --dest=com.ubuntu.Upstart /com/ubuntu/Upstart/jobs/ssh com.ubuntu.Upstart0_6.Job.Stop array:string:'' boolean:true Error org.freedesktop.DBus.Error.AccessDenied: Rejected send message, 1 matched rules; type="method_call", sender=":1.452" (uid=1021 pid=28234 comm="dbus-send) interface="com.ubuntu.Upstart0_6.Job" member="Stop" error name="(unset)" requested_reply=0 destination="com.ubuntu.Upstart" (uid=0 pid=1 comm="/sbin/init"))

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• How to handle key in PhP array if the key contains japanese characters [migrated]

  - by Jim Thio

  I have this array: [ID] => ????????-???????????__35.79_139.72 [Email] => [InBuildingAddress] => [Price] => [Street] => [Title] => ???????? ??????????? [Website] => [Zip] => [Rating Star] => 0 [Rating Weight] => 0 [Latitude] => 35.7865334803033 [Longitude] => 139.716800710514 [Building] => [City] => Unknown_Japan [OpeningHour] => [TimeStamp] => 0000-00-00 00:00:00 [CountViews] => 0 Then I do something like this: $output[$info['ID']]=$info; //mess up here $tes=$info['ID']['Title']; Well guess what it messes up. Basically even though the content of an array in PhP can be Japanese. Is this true? What's wrong. The error I got is: Debug Warning: /sdfdsfdf/api/test2.php line 36 - Cannot find element ????????-???????????__35.79_139.72 in variable Debug Warning: /sdfdsfdf/api/test2.php line 36 - main() [function.main]: It is not safe to rely on the system's timezone settings. You are required to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '7.0/no DST' instead So many question mark Why is this happening. What's really going on inside PhP? Where can I learn more of such things. Most importantly, what would be the best way to handle this situation. Should I tell PhP to internally always use UTF-8? Does PhP array inherenty cannot use non ascii id?

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• Why does Ubuntu 13.10 not detect my Win7 partition?

  - by goutham

  I'm trying to install Ubuntu 13.10 alongside Windows 7 on my DELL INSPIRON 14z 5423 laptop and I'm new to all of this. I'm using the Ubuntu 13.10 64-bit ISO burned onto a CD. The first time I tried to install it, Ubuntu said it did not detect any other OS, which meant I only had 4 options: Erase disk and install Ubuntu (I don't want to do this) Encrypt new Ubuntu. Use LVM. Something else. If I choose the Something else option, it brings me to the partition menu and says that I have 1 disk with free space of (500Gb), but that's not true because I have Windows 7. I restarted the laptop several times and booted the CD again and I got exactly the same as I did previously. How do fix this problem and install Ubuntu alongside Windows 7? After executing "sudo fdisk -l" command in terminal ubuntu@ubuntu:~$ sudo fdisk -l WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0xd2b811c5 Device Boot Start End Blocks Id System /dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT /dev/sda2 206848 314574847 157184000 7 HPFS/NTFS/exFAT /dev/sda3 314574848 629147647 157286400 7 HPFS/NTFS/exFAT /dev/sda4 629147648 976771071 173811712 7 HPFS/NTFS/exFAT After removing one partition I executed command once again ubuntu@ubuntu:~$ sudo fdisk -l WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0xd2b811c5 Device Boot Start End Blocks Id System /dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT /dev/sda2 206848 629145599 314469376 7 HPFS/NTFS/exFAT /dev/sda3 629147648 976771071 173811712 7 HPFS/NTFS/exFAT

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• How bad it's have two methods with the same name but differents signatures in two classes?

  - by Super User

  I have a design problem relationated with the public interface, the names of methods and the understanding of my API and my code. I have two classes like this: class A: ... function collision(self): .... ... class B: .... function _collision(self, another_object, l, r, t, b): .... The first class have one public method named collision and the second have one private method called _collision. The two methods differs in arguments type and number. In the API _m method is private. For the example let's say that the _collision method checks if the object is colliding with another_ object with certain conditions l, r, t, b (for example, collide the left side, the right side, etc) and returns true or false according to the case. The collision method, on the other hand, resolves all the collisions of the object with other objects. The two methods have the same name because I think is better avoid overload the design with different names for methods who do almost the same think, but in distinct contexts and classes. This is clear enough to the reader or I should change the method's name?

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• Updating sprite location with controls

  - by iQue

  So ive got a character in a 2D game using surfaceView that I want to be able to move using a button(eventually a joystick), but my game crashes as soon as I try to move my sprite. This is my onTouch-method for my steering button: public void handleActionDown(int eventX, int eventY) { if (eventX >= (x - bitmap.getWidth() / 2) && (eventX <= (x + bitmap.getWidth()/2))) { if (eventY >= (y - bitmap.getHeight() / 2) && (y <= (y + bitmap.getHeight() / 2))) { setTouched(true); } else { setTouched(false); } } else { setTouched(false); } and if I try to put this in my update-method: public void update() { x += (speed.getXv() * speed.getxDirection()); y += (speed.getYv() * speed.getyDirection()); } the sprite moves on its own just fine, but as soon as I add: public void update() { if(steering.isTouched()){ x += (speed.getXv() * speed.getxDirection()); y += (speed.getYv() * speed.getyDirection()); } the game crashes. Does any1 know why this is or how to fix it? I cannot figure it out. Im using MotionEvent.ACTION_DOWN to check if the user if pressing the screen. }

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• HP ML150 G6 upgrading RAM/CPU beyond specs?

  - by Morten Green Hermansen

  I am being told that some limits on some HP servers can be crossed. Do any of you have any experience with that? A ML150/G6 is limited to 48GB RAM but I have been talking to a German company that guaranties me that this server will be able to be upgraded to 384GB RAM (using 32GB memory modules and 2 CPUs) http://www.compuram.de/en/memory,HP+%28-Compaq%29,Server,Proliant,ML150+G6.htm Can this really be true? The server that I have is using E5504 CPUs but will I be able to upgrade to any CPU that is using a LGA1366 socket? All from a low wattage L5640 all the way to the 6 core, high wattage versions like an X5650? (If cooling and power is adequate ofcause). Is there any limitation with powerregulators and chipset (Intel 5500). I am looking forward to any reply. Thanks in advance and best regards, - Morten Green Hermansen, Fanitas

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• Text editor for Mac that will open any file

  - by Dinah

  In Windows, every text editor I encountered allowed me to drag and drop any file type into it and it opened. Apparently, Mac app developers have a different philosophy because I can't find a simple free text editor for OS X that will do this. TextWrangler came highly recommended but it can't accomplish this simple feat. Can anyone suggest one? Edit apparently on at least some editors, there is a distinction between drag/drop in the document list area vs. the typing area. In addition to the accepted answer, this is one thing to be aware of. I still don't know why it doesn't work in TextEdit, but this is true for TextWrangler and Smultron.

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• How do I mount a CIFS share via FSTAB and give full RW to Guest

  - by Kendor

  I want to create a Public folder that has full RW access. The problem with my configuration is that Windows users have no issues as guests (they can RW and Delete), my Ubuntu client can't do the same. We can only write and read, but not create or delete. Here is the my smb.conf from my server: [global] workgroup = WORKGROUP netbios name = FILESERVER server string = TurnKey FileServer os level = 20 security = user map to guest = Bad Password passdb backend = tdbsam null passwords = yes admin users = root encrypt passwords = true obey pam restrictions = yes pam password change = yes unix password sync = yes passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . add user script = /usr/sbin/useradd -m '%u' -g users -G users delete user script = /usr/sbin/userdel -r '%u' add group script = /usr/sbin/groupadd '%g' delete group script = /usr/sbin/groupdel '%g' add user to group script = /usr/sbin/usermod -G '%g' '%u' guest account = nobody syslog = 0 log file = /var/log/samba/samba.log max log size = 1000 wins support = yes dns proxy = no socket options = TCP_NODELAY panic action = /usr/share/samba/panic-action %d [homes] comment = Home Directory browseable = no read only = no valid users = %S [storage] create mask = 0777 directory mask = 0777 browseable = yes comment = Public Share writeable = yes public = yes path = /srv/storage The following FSTAB entry doesn't yield full R/W access to the share. //192.168.0.5/storage /media/myname/TK-Public/ cifs rw 0 0 This doesn't work either //192.168.0.5/storage /media/myname/TK-Public/ cifs rw,guest,iocharset=utf8,file_mode=0777,dir_mode=0777,noperm 0 0 Using the following location in Nemo/Nautilus w/o the Share being mounted does work: smb://192.168.0.5/storage/ Extra info. I just noticed that if I copy a file to the share after mounting, my Ubuntu client immediately make "nobody" be the owner, and the group "no group" has read and write, with everyone else as read-only. What am I doing wrong?

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• openssl creates invalid signature if run by a different user

  - by divB

  Very strange problem here: openssl successfully creates signatures but only those created as root are valid whereas created by another user (www-data) are invalid! All files are readable and there are not error messages: # echo -ne Test | openssl dgst -ecdsa-with-SHA1 -sign activation.key > /tmp/asRoot.der # su www-data $ echo -ne Test | openssl dgst -ecdsa-with-SHA1 -sign activation.key > /tmp/asWww-data.der $ uname -a Linux linux 2.6.32-5-openvz-amd64 #1 SMP Mon Feb 25 01:16:25 UTC 2013 i686 GNU/Linux $ cat /etc/debian_version 6.0.7 Both files (asRoot.der and asWww-data.der) are transfered to a different computer for verification with the public key: $ echo -ne Test | openssl dgst -verify activation.pub -keyform DER -signature asRoot.der Verified OK $ echo -ne Test | openssl dgst -verify activation.pub -keyform DER -signature asWww-data.der Verification Failure That can't be true! What's wrong here?

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• Can't see like plugin iframe on (at least) some browsers [migrated]

  - by MEM

  Not sure why. I grabbed the code from: http://developers.facebook.com/docs/reference/plugins/like/ And as stated there, we can read: "href - the URL to like. The XFBML version defaults to the current page. Note: After July 2013 migration, href should be an absolute URL" So I did. <body> <div> <iframe src="//www.facebook.com/plugins/like.php?href=https%3A%2F%2Fwww.facebook.com%2Fprojectokairos&amp;width=100&amp;height=21&amp;colorscheme=light&amp;layout=button_count&amp;action=like&amp;show_faces=false&amp;send=false" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:100px; height:21px;" allowTransparency="true"></iframe> </div> </body> Could this be related with the fact that the page is unpublished? I hope not because I do need to place the button here and there on several pages before the FB page goes live.

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• Intel site says VT-x is supported on my CPU, but tests say otherwise

  - by Anshul

  I have a laptop with an Intel 2nd Gen. i7-2729QM (http://ark.intel.com/products/50067/) and the Intel site says that it supports VT-x, but I've downloaded the Intel Processor Identification Utility (http://www.intel.com/support/processors/tools/piu/sb/CS-014921.htm) and the test says that my CPU does not have VT-x. There is no option in my BIOS that allows me to enable/disable VT-x. I researched my laptop model (SAGER NP8170) and most forums say that it's enabled by default and there's no option in the BIOS. So assuming that's true, what gives? I also downloaded another tool called SecurAble from GRC and it also says that my CPU doesn't support VT-x. VirtualBox also says that my CPU does not support virtualization. My mind is boggled by why it says on the Intel site that my CPU supports VT-x but all other tests show otherwise. Anyone know what's going on? Thanks in advance.

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• this error appeared when upgrating 12.04 LTS to 12.10 [closed]

  - by habcity

  Possible Duplicate: How do I fix a “Problem with MergeList” error when trying to do an update? ryder@ryder-Q1500M:~$ do-release-upgrade Checking for a new Ubuntu release Get:1 Upgrade tool signature [198 B] Get:2 Upgrade tool [1,200 kB] Fetched 1,200 kB in 6s (6,988 B/s) authenticate 'quantal.tar.gz' against 'quantal.tar.gz.gpg' extracting 'quantal.tar.gz' [sudo] password for ryder: Reading cache A fatal error occurred Please report this as a bug and include the files /var/log/dist-upgrade/main.log and /var/log/dist-upgrade/apt.log in your report. The upgrade has aborted. Your original sources.list was saved in /etc/apt/sources.list.distUpgrade. Traceback (most recent call last): File "/tmp/update-manager-63XThv/quantal", line 10, in sys.exit(main()) File "/tmp/update-manager-63XThv/DistUpgrade/DistUpgradeMain.py", line 237, in main save_system_state(logdir) File "/tmp/update-manager-63XThv/DistUpgrade/DistUpgradeMain.py", line 130, in save_system_state scrub_sources=True) File "/tmp/update-manager-63XThv/DistUpgrade/apt_clone.py", line 146, in save_state self._write_state_installed_pkgs(sourcedir, tar) File "/tmp/update-manager-63XThv/DistUpgrade/apt_clone.py", line 173, in _write_state_installed_pkgs cache = self._cache_cls(rootdir=sourcedir) File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 102, in init self.open(progress) File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 145, in open self._cache = apt_pkg.Cache(progress) SystemError: E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_precise-backports_multiverse_i18n_Translation-en, E:The package lists or status file could not be parsed or opened.

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