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• Navigating through code with keyboard shortcuts

  - by MarceloRamires

  I'm starting to feel the need to run fastly through code with keyboard shortcuts, to arrive faster where I want to make any changes (avoiding use of mouse or long times holding [up], [left], [right] and [down]). I'm already using some: [home] - first position in current line [end] - last position in current line [ctrl] + [home] - first line of the entire code [ctrl] + [end] - last line of the entire code [pageup] - same vertical position, one screen above [pagedown] - same vertical position, one screen below [ctrl] + [pageup] - first line in current screen [ctrl] + [end] - last line in current screen [ctrl] + [left/right] - skipping word per word What have you got ? I use Visual Studio. (but I'm open to any answer, as I maybe can use others soon) obs: I've searched through stackoverflow and didn't find a nice question with this content, nor a list of keyboard code searching. If it's repeated, I'm sorry for not finding it, I'm here in my best intentions. This question is NOT about any shortcuts, and not only about visual studio, it's about running through code with shortcuts. Answers that suit the question so far: [Ctrl] + [-] - jumps to last cursor position [Ctrl] + [F3] - Jumps to next occurance of the word the curson is in [Shift] + [F3] - Same as the above, backwards. [F12] - Goes to definition of method/variable the cursor is in [Ctrl] + [ ] ] - Jumps to matching brace and select I'll ad more as there are answers.

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• Cannot boot from Yumi multiboot USB stick

  - by Amator

  I've just created a multiboot USB stick using Yumi. I tried to start my notebook (Asus K70IO) using it, but all I see is just a black screen with blinking underscore even after waiting for minutes. If during this time I remove the USB stick I get the message: "Operating system load error". How do I properly load my Yumi USB stick and use it? I've tried formatting it using Yumi's checkbox to format the stick in FAT32 too, but it didn't help. Now I tried to use Sardu 2.0.5 and met same problem: black screen and blinkin underscore, if I remove stick I see "Operating system load error" and my OS starts to boot. At the same time if I create bootable USB stick from ISO using UltraISO it boots smoothly.

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• Graphical glitches when adding cells and scrolling with UITableView

  - by Daniel I-S

  I am using a UITableView to display the results of a series of calculations. When the user hits 'calculate', I wish to add the latest result to the screen. This is done by adding a new cell to a 'results' section. The UITableViewCell object is added to an array, and then I use the following code to add this new row to what is displayed on the screen: [thisView beginUpdates]; [thisView insertRowsAtIndexPaths:[NSArray arrayWithObject:newIndexPath] withRowAnimation: UITableViewRowAnimationFade]; [thisView endUpdates]; This results in the new cell being displayed. However, I then want to immediately scroll the screen down so that the new cell is the lowermost cell on-screen. I use the following code: [thisView scrollToRowAtIndexPath:newIndexPath atScrollPosition:UITableViewScrollPositionBottom animated:YES]; This almost works great. However, the first time a cell is added and scrolled to, it appears onscreen only briefly before vanishing. The view scrolls down to the correct place, but the cell is not there. Scrolling the view by hand until this invisible new cell's position is offscreen, then back again, causes the cell to appear - after which it behaves normally. This only happens the first time a cell is added; subsequent cells don't have this problem. It also happens regardless of the combination of scrollToRowAtIndexPath and insertRowsAtIndexPath animation settings. There is also a problem where, if new cells are added repeatedly and quickly, the new cells stop 'connecting up'. The lowermost cell in a group is supposed to have rounded corners, and when a new cell is added these turn into square corners so that there is a clean join with the next cell in the group. In this case, however, a cell often does not lose its rounded edges despite not being the last cell anymore. This also gets corrected once the affected area moves offscreen and back. This method of adding and scrolling would be perfect for my application if it weren't for these weird glitches. Any ideas as to what I may be doing wrong?

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• Need to Extend Volume

  - by Roger Galindo

  Ok Here is where I am... I have an HP Proliant with 8 Drives configured as RAID5, and C:\Drive Disk 0 and D:\ drive Disk 1. I need to add more space to Disk 0 (C:) and have 150GB available on Disk 1 (D:). I tested the Disk Mgmt on D:\ and freed up 4GB which now shows to be Unallocated. How do I add the 4GB of Unallocated to the c:\? When I click on C:\ the Menu shows "Extend Volume" as Grayed Out not Black but the D:\ Drive shows Extend Volume as selectable/black.

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• USB webcam detected in KVM, but doesn't work

  - by Gene Vincent

  I have installed XP in a virtual machine running on Linux with QEMU/KVM (qemu-kvm-0.11.0-4.5.2). I export my Linux webcam to KVM using the switches "-usb -usbdevice host:046d:0929". The XP guest sees the webcam and the drivers install, but the camera only shows a black image. When I open the camera in Windows Explorer, it says "0 images" and a black image, while on a real XP, it says "1 image" and shows the video from the camera. I tried the same with a different webcam, but the result is the same. Any ideas what might be wrong or how I could debug this ?

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• USB webcam detected in KVM, but doesn't work

  - by Gene Vincent

  I have installed XP in a virtual machine running on Linux with QEMU/KVM (qemu-kvm-0.11.0-4.5.2). I export my Linux webcam to KVM using the switches "-usb -usbdevice host:046d:0929". The XP guest sees the webcam and the drivers install, but the camera only shows a black image. When I open the camera in Windows Explorer, it says "0 images" and a black image, while on a real XP, it says "1 image" and shows the video from the camera. I tried the same with a different webcam, but the result is the same. Any ideas what might be wrong or how I could debug this ?

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• rsync osx to linux

  - by Nick

  I did a backup to a remote nfs folder with rsync, from a MAC to a Remote Debian. The final backup is 58GB less than the original. Rsync says that everything was OK, and nothing to update. Macintosh:/Volumes/Data1 root# du -sh Produccion/ 319G Produccion/ root@Disketera:/mnt/soho_storage/samba/shares# du -sh Produccion/ 260G Produccion/ can I trust in rsync? I'm using rsync -av --stats /Volumes/Data1/Produccion/ /mnt/red/ (/mnt/red is my samba mountpoint) Some differents folders root@Disketera:/mnt/soho_storage/samba/shares/Produccion/tiposok# du -sh * 0 IndoSanBol 0 IndoSans-Bold 0 IndoSans-Italic 0 IndoSans-Light 0 IndoSans-Regular 40K PalatinoLTStd-Black.otf 40K PalatinoLTStd-BlackItalic.otf 40K PalatinoLTStd-Bold.otf 44K PalatinoLTStd-BoldItalic.otf 44K PalatinoLTStd-Italic.otf 40K PalatinoLTStd-Light.otf 40K PalatinoLTStd-LightItalic.otf 40K PalatinoLTStd-Medium.otf 40K PalatinoLTStd-MediumItalic.otf 56K PalatinoLTStd-Roman.otf 12K TCL IndoSans_mac Macintosh:/Volumes/Data1/Produccion/tiposok root# du -sh * 36K IndoSanBol 40K IndoSans-Bold 36K IndoSans-Italic 36K IndoSans-Light 36K IndoSans-Regular 40K PalatinoLTStd-Black.otf 40K PalatinoLTStd-BlackItalic.otf 40K PalatinoLTStd-Bold.otf 44K PalatinoLTStd-BoldItalic.otf 44K PalatinoLTStd-Italic.otf 40K PalatinoLTStd-Light.otf 40K PalatinoLTStd-LightItalic.otf 40K PalatinoLTStd-Medium.otf 40K PalatinoLTStd-MediumItalic.otf 56K PalatinoLTStd-Roman.otf 160K TCL IndoSans_mac

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• How can I copy and paste formatted text in Excel?

  - by Landy

  Before I ask question, I've searched but only found ways of copy and paste "formatted cell". That's not what I need. I want to use an example to explain my requirement: There are 2 cells in a sheet. Cell_A's text is "aaaaabbbbb", and "aaaaa" is green, and "bbbbb" is red. Cell_B's text is "ccccc" and "ccccc" is black. I want to copy and paste "bbbbb" from Cell_A to Cell_B and keep "bbbbb" in red. But in my environment(Office 2007), "bbbbb" is changed to black as "ccccc", the default format of Cell_B. Is there an easy way to implement my requirement?

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• NES Programming - Nametables?

  - by Jeffrey Kern

  Hello everyone, I'm wondering about how the NES displays its graphical muscle. I've researched stuff online and read through it, but I'm wondering about one last thing: Nametables. Basically, from what I've read, each 8x8 block in a NES nametable points to a location in the pattern table, which holds graphic memory. In addition, the nametable also has an attribute table which sets a certain color palette for each 16x16 block. They're linked up together like this: (assuming 16 8x8 blocks) Nametable, with A B C D = pointers to sprite data: ABBB CDCC DDDD DDDD Attribute table, with 1 2 3 = pointers to color palette data, with < referencing value to the left, ^ above, and ' to the left and above: 1<2< ^'^' 3<3< ^'^' So, in the example above, the blocks would be colored as so 1A 1B 2B 2B 1C 1D 2C 2C 3D 3D 3D 3D 3D 3D 3D 3D Now, if I have this on a fixed screen - it works great! Because the NES resolution is 256x240 pixels. Now, how do these tables get adjusted for scrolling? Because Nametable 0 can scroll into Nametable 1, and if you keep scrolling Nametable 0 will wrap around again. That I get. But what I don't get is how to scroll the attribute table wraps around as well. From what I've read online, the 16x16 blocks it assigns attributes for will cause color distortions on the edge tiles of the screen (as seen when you scroll left to right and vice-versa in SMB3). The concern I have is that I understand how to scroll the nametables, but how do you scroll the attribute table? For intsance, if I have a green block on the left side of the screen, moving the screen to right should in theory cause the tiles to the right to be green as well until they move more into frame, to which they'll revert to their normal colors.

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• 3 wire computer fan won't run continuously

  - by Ben

  I had an old computer that didn't work anymore, so I took the CPU fan out to see what I could make with it. The fan is NMB model number BG0903-B044-VTL, like this. It has three wires coming off of it, red, black, and white. I know that the white wire is usually a speed sensor. Does this wire need to be connected to something in order for the fan to run continuously? Right now when I apply power to the red and black wires (from a 9-volt battery) the fan will spin very briefly, and then slow down until it stops. The fan's motor only spins in the instant that the power is turned on, but doesn't continue, even though the power is still applied. How can I get the fan to spin continuously?

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• RDP locks up login, doesn't unlock on Windows

  - by private_meta

  From time to time, my system, when I try to login TRHOUGH or AFTER a remote connection, locks up the login session. I can't login anymore, the screen turns black (the monitor is still active, the image is black). Especially in the recent case, the system did not come back from the lock-up, and I had to reset the computer. Any idea what might be the issue here? More information: Both Computers are Windows 7, The RDP Server has a wired connection, the Client has either Wireless or Wired. The network card involved on the server is a "Realtek RTL8168C(P)/8111C(P) Family PCI-E Gigabit Ethernet NIC (NDIS 6.20)" card built-in on an ASRock Mainboard. I'm using either local LAN or internet connection through NAT/Router.

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• targeting sprites from a method in the document class - null object reference

  - by Freddyk

  Hi I am trying to code a flash app entirely in the document class. I am using GestureWorks with a touch screen. When a user essentially presses a button it calls a method that should hide a specific graphic but not the graphic they touched. Essentially I need a way to refer to a graphic on the screen using a method besides 'e.target'. //This code works because it can access 'e.target'. private function photo1SpriteFlickHandler(e:GestureEvent):void { var openTween:Tween = new Tween(e.target, "x", Strong.easeOut, 232, 970, 5, true); } //this code gives me a null object reference because I am using 'photo1Sprite' rather than 'e.target' private function photo1SpriteFlickHandler(e:GestureEvent):void { var openTween:Tween = new Tween(photo1Sprite, "x", Strong.easeOut, 232, 970, 5, true); } //photo1Sprite has already been programatically added to the screen as so: var photo1Sprite = new TouchSprite(); var photo1Loader=new Loader(); photo1Loader.load(new URLRequest("media/photos1/photo1.jpg")); photo1Loader.contentLoaderInfo.addEventListener(Event.COMPLETE,loaderComplete); photo1Sprite.x = 232; photo1Sprite.y = 538; photo1Sprite.scaleX = .3; photo1Sprite.scaleY = .3; photo1Sprite.blobContainerEnabled = true; photo1Sprite.addEventListener(TouchEvent.TOUCH_DOWN, startDrag_Press); photo1Sprite.addEventListener(TouchEvent.TOUCH_UP, stopDrag_Release); photo1Sprite.addChild(photo1Loader); addChild(photo1Sprite); So I can make photo1Sprite react if my method is attached to it directly using 'e.target' but not if I am trying to call it from a method that was called from another element on the screen.

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• "Turn Off The Lights" on any website?

  - by gojira

  On Youtube, there is this nice button (easy to overlook - top left of the video) which lets one "turn off the lights": the site background changes from white to black, the text color changes from black to grey. There is an unrelated plug-in for Firefox called "Turned Off The Lights", which has a very similar functionality. This makes websites so much easier to read. However, both technologies only work on YouTube. Is there anything to achive the same effect for all websites? Preferably with Firefox? I.e.: I want to have very dark background and light text color on all websites viewed with Firefox, how can I do that?

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• Visual Studio 2010 Graphic Artifacts

  - by jonathan

  This problem started happening to me once I installed SP1 onto my Windows 7 Ultimate install. When changing between tabs, or even just hovering my mouse over buttons, VS2010 starts artifacting. It's bad enough where I often times can't see any of the code I'm working on. Sometimes just the button the mouse is over will go black, and other times the entire code panel will turn a black and grey pattern. This problem only happens with Visual Studio 2010 (2008 works fine). The problem remained when I upgraded Visual Studio to SP1. I've also uninstalled and reinstalled Visual Studio and the graphics drivers several times now, and I'm about ready to reinstall Windows 7, but I figured I'd ask for suggestions first. Google, as well as searching through Stack Exchange, did not turn up anything useful.

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• Method in RootViewController not Storing Array

  - by Antonio

  I have an array initialized in my RootViewController and a method that addsObjects to an array. I created a RootViewController object in my SecondViewController. The method runs (outputs a message) but it doesn't add anything to the array, and the array seems empty. Code is below, any suggestions? RootViewController.h #import "RootViewController.h" #import "SecondViewController.h" @implementation RootViewController - (void)viewDidLoad { [super viewDidLoad]; myArray2 = [[NSMutableArray alloc] init]; NSLog(@"View was loaded"); } -(void)addToArray2{ NSLog(@"Array triggered from SecondViewController"); [myArray2 addObject:@"Test"]; [self showArray2]; } -(void)showArray2{ NSLog(@"Array Count: %d", [myArray2 count]); } -(IBAction)switchViews{ SecondViewController *screen = [[SecondViewController alloc] initWithNibName:nil bundle:nil]; screen.modalTransitionStyle = UIModalTransitionStyleCoverVertical; [self presentModalViewController:screen animated:YES]; [screen release]; } SecondViewController.m #import "SecondViewController.h" #import "RootViewController.h" @implementation SecondViewController -(IBAction)addToArray{ RootViewController *object = [[RootViewController alloc] init]; [object addToArray2]; } -(IBAction)switchBack{ [self dismissModalViewControllerAnimated:YES]; } EDIT***** With Matt's code I got the following error: " expected specifier-qualifier-list before 'RootViewController' "

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• Is it possible to not trigger my normal search highlighting when using search as a movement?

  - by Nathan Long

  When I do a search in vim, I like to have my results highlighted and super-visible, so I give them a bright yellow background and a black foreground in my .vimrc. " When highlighting search terms, make sure text is contrasting colors :highlight Search guibg=yellow guifg=black (This is for GUI versions of vim, like MacVim or Gvim; for command-line, you'd use ctermbg and ctermfg.) But I sometimes use search as a movement, as in c/\foo - "change from the cursor to the next occurrence of foo." In that case, I don't want all the occurrences of foo to be highlighted. Can I turn off highlighting in cases where search is used as a movement?

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• Sony Vaio laptop constant "bi" noise when on battery

  - by Dominick1978

  I have sony vaio vgn fs215s laptop. When I use it with battery alone it makes a constant "bi" noise that gets louder on more power consuming tasks. Sometimes on startup the screen goes black before xp logo. Then i hear the windows startup sound but sill black screen. I bypassed the xp logo (via msconfig) and it gets me all the way ok but the noise is still there. There is no problem when the laptop is plugged to a socket. What do you think is the problem and how do i fix it (how much money)? Thanks a lot.

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• CSS to specify positions over a scanned document

  - by itsols

  I'm trying to write the CSS rules to position text over a scanned document. Reason: The document is a pre-printed form. I am trying to position the text on-screen so that it relates to the 'spaces' on the actual form. Issue: Although I position the values using centimeters, they don't seem to get aligned with the ones on the actual page. I can see this misalignment since my scanned image is in the background of the page. What I've tried: I used a ruler to physically measure the locations and specify them with CSS. But on-screen, it doesn't tally. I used the scanned image to position the CSS values. Then the printout is not correct. I even scaled the scanned page using Inkscape to the exact dimensions in centimeters and took into account all margins, etc... What I need: I am trying to correctly show the output values on-screen AND have them print in the correct manner as well. I know that using two CSS sheets (one for print) is an option. But I'm developing this program away from where the actual printing is to be done. So is there a convenient way of matching the exact screen locations with those on the actual/final prinout? Thanks!

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• How to intercept touch events globally?

  - by mystify

  I have an view which is sometimes covered by some other views. However, if the user slides the finger across the screen, I want to slide that underlying view across the screen, too. I could start making custom views for all those covering subviews and forward all kinds of touch events, but that's somewhat cumbersome. Maybe there's some kind of notification or another way that a UIView or UIControl subclass can be aware of touch events happening right now, no matter where they are. In short: I need an UIView subclass or UIControl subclass which knows about any touch events happening on the entire screen. Or at least if tht's not possible, knowing about any touch events happening above itself in the same underlying superview. Another description: There are 20 views, all reside inside the same superview. The first view is covered by 19 others. But if the user slides across the screen, that first view must slide too, so it must be aware of touch events. Is there any better solution that making all 19 views forward touch events? (yes, all 19 views respond to touch events in this example)

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• Why does my TextBox with custom control template not have a visible text cursor?

  - by Philipp Schmid

  I have a custom control template which is set via the style property on a TextBox. The visual poperties are set correctly, even typing to the textbox works, but there is no insertion cursor (the | symbol) visible which makes editing challenging for our users. How does the control template need changing to get the traditional TextBox behavior back? <Style x:Key="DemandEditStyle" TargetType="TextBox"> <EventSetter Event="LostFocus" Handler="DemandLostFocus" /> <Setter Property="HorizontalAlignment" Value="Stretch" /> <Setter Property="VerticalAlignment" Value="Stretch" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate> <Grid HorizontalAlignment="Stretch" VerticalAlignment="Stretch"> <Grid.ColumnDefinitions> <ColumnDefinition Width="*" /> <ColumnDefinition Width="1" /> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="*" /> <RowDefinition Height="1" /> </Grid.RowDefinitions> <Grid.Background> <LinearGradientBrush StartPoint="0,0" EndPoint="0,1"> <GradientStop Color="White" Offset="0" /> <GradientStop Color="White" Offset="0.15" /> <GradientStop Color="#EEE" Offset="1" /> </LinearGradientBrush> </Grid.Background> <Border Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="2" Background="Black" /> <Border Grid.Row="0" Grid.Column="1" Grid.RowSpan="2" Background="Black" /> <Grid Grid.Row="0" Grid.Column="0" Margin="2"> <Grid.ColumnDefinitions> <ColumnDefinition Width="1" /> <ColumnDefinition Width="*" /> <ColumnDefinition Width="1" /> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="1" /> <RowDefinition Height="*" /> <RowDefinition Height="1" /> </Grid.RowDefinitions> <Border Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="3" Background="Black" /> <Border Grid.Row="0" Grid.Column="0" Grid.RowSpan="3" Background="Black" /> <Border Grid.Row="2" Grid.Column="0" Grid.ColumnSpan="3" Background="#CCC" /> <Border Grid.Row="0" Grid.Column="2" Grid.RowSpan="3" Background="#CCC" /> <TextBlock Grid.Row="1" Grid.Column="1" TextAlignment="Right" HorizontalAlignment="Center" VerticalAlignment="Center" Padding="3 0 3 0" Background="Yellow" Text="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=Text}" Width="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Grid}, AncestorLevel=1}, Path=ActualWidth}" /> </Grid> </Grid> </ControlTemplate> </Setter.Value> </Setter> </Style> Update: Replacing the inner-most TextBox with a ScrollViewer and naming it PART_ContentHost indeed shows the text insertion cursor. Trying to right-align the text in the TextBox by either setting the HorizontalContentAlignment in the Style or as a property on the ScrollViewer were unsuccessful. Suggestions?

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• How to call a method from another class that's been instantiated within the current class

  - by Pavan

  my screen has a few views like such __________________ | _____ | | | | | //viewX is a video screen | | | | | viewX | vY | | //viewY is a custom uiview i created. | |____| | //it contains a method which i would like to call that toggles |_________________| //the hidden property of this view. and when it hides, a little | | //button is replaced no the top right corner on top of viewX | viewZ | //the video layer | | |_________________| //viewZ is a view containing many square views - thumbnails. my question is, i dont know how to register for touch events so that it recognises any touch event on no matter which view the user touches the screen.. atm im handling the touch events for each view inside it. so all works well... however what im trying to do is that when the user taps anywhere else on the screen but on viewY, viewY should dissapear by calling that method in the viewY class. this viewY class is instantiated and has no xib file attached to it. the uiview is created progammatically in the viewY class. this whole class for viewY behviour is instantiated in viewX - the video view. my boss says add delegates.. although i have now clue how to do that... any help? is there anyway i can just make it really simple and be able to say REMOVE VIEW no matter which class im calling from? Also ive seen other people achieve this by using these funky arrows - ... <- etc.. although im not sure if thats what i need or how to implement such a thing. ah i think ive made my question quite complicated but i really mean it to be a simple one, and know it can be done in an easy way!

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• Get active window title in X

  - by dutt

  I'm trying to get the title of the active window. The application is a background task so if the user has Eclipse open the function returns "Eclipse - blabla", so it's not getting the window title of my own window. I'm developing this in Python 2.6 using PyQt4. My current solution, borrowed and slightly modified from an old answer here at SO, looks like this: def get_active_window_title(): title = '' root_check = '' root = Popen(['xprop', '-root'], stdout=PIPE) if root.stdout != root_check: root_check = root.stdout for i in root.stdout: if '_NET_ACTIVE_WINDOW(WINDOW):' in i: id_ = i.split()[4] id_w = Popen(['xprop', '-id', id_], stdout=PIPE) for j in id_w.stdout: if 'WM_ICON_NAME(STRING)' in j: if title != j.split()[2]: return j.split("= ")[1].strip(' \n\"') It works for most windows, but not all. For example it can't find my kopete chat windows, or the name of the application i'm currently developing. My next try looks like this: def get_active_window_title(self): screen = wnck.screen_get_default() if screen == None: return "Could not get screen" window = screen.get_active_window() if window == None: return "Could not get window" title = window.get_name() return title; But for some reason window is always None. Does somebody have a better way of getting the current window title, or how to modify one of my ways, that works for all windows? Edit: In case anybody is wondering this is the way I found that seems to work for all windows. def get_active_window_title(self): root_check = '' root = Popen(['xprop', '-root'], stdout=PIPE) if root.stdout != root_check: root_check = root.stdout for i in root.stdout: if '_NET_ACTIVE_WINDOW(WINDOW):' in i: id_ = i.split()[4] id_w = Popen(['xprop', '-id', id_], stdout=PIPE) id_w.wait() buff = [] for j in id_w.stdout: buff.append(j) for line in buff: match = re.match("WM_NAME\((?P<type>.+)\) = (?P<name>.+)", line) if match != None: type = match.group("type") if type == "STRING" or type == "COMPOUND_TEXT": return match.group("name") return "Active window not found"

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• scroll position for div on timer tick event

  - by MeqDotNet

  I have a chat box that refresh every 7 seconds by a timer the problem is that the div is scrolling top each time the timer I have tried to add the following Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "focus", "document.getElementById('divMessages').scrollTop = document.getElementById('divMessages').style.height;", true); to the timer tick but it doesn't work ticks here is my code <table border="0" cellpadding="0" cellspacing="0"> <tr> <td style="width: 500px;"> <div id="divMessages" style="background-color: White; border-color:Black;border-width:1px;border-style:solid;height:300px;width:592px;overflow-y:scroll; font-size: 11px; padding: 4px 4px 4px 4px;" onload="SetScrollPosition();" onresize="SetScrollPosition()"> <asp:Literal Id="litMessages" runat="server" /> </div> </td> <td>&nbsp;</td> <td> <div id="divUsers" style="background-color: White; border-color:Black;border-width:1px;border-style:solid;height:300px;width:150px;overflow-y:scroll; font-size: 11px; padding: 4px 4px 4px 4px;"> <asp:Literal Id="litUsers" runat="server" /> </div> </td> </tr> <tr> <td colspan="3"> <asp:TextBox Id="txtMessage" onkeyup="ReplaceChars()" onfocus="SetToEnd(this)" runat="server" MaxLength="100" Width="500px" /> <asp:Button Id="btnSend" runat="server" Text="Send" OnClientClick="SetScrollPosition()" OnClick="BtnSend_Click" /> &nbsp; <b>Color:</b> <asp:DropDownList Id="ddlColor" runat="server"> <asp:ListItem Value="Black" Selected="true">Black</asp:ListItem> <asp:ListItem Value="Blue">Blue</asp:ListItem> <asp:ListItem Value="Navy">Navy</asp:ListItem> <asp:ListItem Value="Red">Red</asp:ListItem> <asp:ListItem Value="Orange">Orange</asp:ListItem> <asp:ListItem Value="#666666">Gray</asp:ListItem> <asp:ListItem Value="Green">Green</asp:ListItem> <asp:ListItem Value="#FF00FF">Pink</asp:ListItem> </asp:DropDownList> &nbsp; <asp:Button Id="btnLogOut" Text="Log Out" runat="server" OnClick="BtnLogOut_Click" /> </td> </tr> </table> <script type="text/javascript"> var div = document.getElementById('divMessages'); div.scrollTop = div.style.height; </script> </ContentTemplate> </asp:UpdatePanel>

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• Mobile detection - Meta tag and max-device-width vs. php user agent?

  - by nimmbl

  Which form of mobile detection should I use and why? <meta name="viewport" content="width=320,initial-scale=1,maximum-scale=1.0,user-scalable=no" /> <link media="only screen and (max-device-width: 480px) and (min-device-width: 320px)" href="css/mobile.css" type= "text/css" rel="stylesheet"> <link media="handheld, only screen and (max-device-width: 319px)" href="css/mobile_simple.css" type="text/css" rel="stylesheet" /> Or include('mobile_device_detect.php'); $mobile = mobile_device_detect(); And why on earth would this: <?php if(strpos($_SERVER['HTTP_USER_AGENT'], 'iPhone') !== false) { ?> <meta name="viewport" content="width=320,initial-scale=1,maximum-scale=1.0,user-scalable=no" /> <link media="screen" href="css/mobile.css" type= "text/css" rel="stylesheet"> <?php } else { ?> <link media="screen" href="css/mobile_simple.css" type= "text/css" rel="stylesheet"> <?php } ?> ignore this css? body { background: -webkit-gradient(linear, left top, left bottom, from(#555), to(#000)); }

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• Can someone explain this color wheel code to me?

  - by user1869438

  I just started doing java and i need some help with understanding this code. I got it from a this website. This is supposed to be code for a color wheel but i don't really understand how it works, especially the final ints STEPS and SLICES. import java.awt.Color; import objectdraw.*; public class ColorWheel extends WindowController { private double brightness; private Text text; private FilledRect swatch; private Location center; private int size; private FilledRect brightnessOverlay; private static final int SLICES = 96; private static final int STEPS = 16; public void begin() { canvas.setBackground(Color.BLACK); brightness = 1.; size = Math.min(canvas.getWidth(), canvas.getHeight() - 20); center = new Location(canvas.getWidth() / 2, size / 2); for(int j = STEPS; j >= 1; j--) { int arcSize = size * j / STEPS; int x = center.getX() - arcSize / 2; int y = center.getY() - arcSize / 2; for(int i = 0; i < SLICES; i++) { Color c = Color.getHSBColor((float)i / SLICES, (float)j / STEPS, (float)brightness); new FilledArc(x, y, arcSize, arcSize, i * 360. / SLICES, 360. / SLICES + .5, c, canvas); } } swatch = new FilledRect(0, canvas.getHeight() - 20, canvas.getWidth(), 20, Color.BLACK, canvas); brightnessOverlay = new FilledRect(0, 0, canvas.getWidth(), canvas.getHeight() - 20, new Color(0, 0, 0, 0), canvas); text = new Text("", canvas.getWidth() / 2, canvas.getHeight() - 18, canvas); text.setAlignment(Text.CENTER, Text.TOP); text.setBold(true); } public void onMouseDrag(Location point) { brightness = (canvas.getHeight() - point.getY()) / (double)(canvas.getHeight()); if(brightness < 0) { brightness = 0; } else if(brightness > 1) { brightness = 1; } if(brightness < .5) { text.setColor(Color.WHITE); } else { text.setColor(Color.BLACK); } brightnessOverlay.setColor(new Color(0f, 0f, 0f, (float)(1 - brightness))); } public void onMouseMove(Location point) { double saturation = 2 * center.distanceTo(point) / size; if(saturation > 1) { text.setText(""); swatch.setColor(Color.BLACK); return; } double hue = -Math.atan2(point.getY() - center.getY(), point.getX() - center.getX()) / (2 * Math.PI); if(hue < 0) { hue += 1; } swatch.setColor(Color.getHSBColor((float)hue, (float)saturation, (float)brightness)); text.setText("Color.getHSBColor(" + Text.formatDecimal(hue, 2) + "f, " + Text.formatDecimal(saturation, 2) + "f, " + Text.formatDecimal(brightness, 2) + "f)"); } }

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