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  • Virtualbox: Raw linux partition not booting

    - by abalter
    I have a dual-boot laptop with Windows 7 and Ubuntu 12.04. I am trying to boot the ubuntu partition from windows using Virtualbox. I have successfully created the .vmdk, and created the virtual machine. However, I can't get it to boot (in Virtualbox). All I get is a black screen with the cursor in the top left. I wonder if I'm specifying the partitions correctly. My Ubuntu install has 3 partitions: \, \boot, \home. No swap partition. These are all in Disk 0, partitions 3,4,5 respectively. The command I used to create the .vmdk is: VBoxManage internalcommands createrawvmdk -filename C:\Users\abalter\.virtualbox\ubuntu.vmdk -rawdisk \\.\PhysicalDrive0 -partitions 3,4,5 Then I create a virtual machine based on that .vmdk. Why won't it boot?

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  • What are your most useful textexander (or similar) snippets?

    - by P.Bjorklund
    Textexpander is a program that aims to save you time by auto-replacing snippets of text with the content of your choice, or to quote their Web site: "Save yourself time and effort by typing short abbreviations for frequently-used text and images." So for instance when you type ,h1 it will change it to <h1></h1> with the cursor placed between the <. After some searching I have yet to find a resource/forum-thread/whatnot that discuss the uses of this marvelous program. I am therefor looking for your best snippets or a link to a resource where I can find this. Oh and one thing I can think of right away is sigw, sigp for my work/personal email signature.

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  • Is there a way to alter Zend Studio PhpDoc preferences?

    - by Tower
    Hi, I'm trying out Zend Studio trial and I have a few things on my mind related to PhpDoc. If I have the following code: public function sum($a, $b) { echo $a + $b; } and then I start typing /** in the front of the function and press Enter, Zend Studio automatically makes the following text: /** * [cursor] * @param unknown_type $a * @param unknown_type $b */ However, I want to customize this so that it also includes @return void automatically since there's no return inside the function. Is there a way to do this? And what about things like @access? It's obviously "public". Another thing I want is that when I create a new file and I use the code templates with ${user}, it will use my Windows account, but I want it to use something else - is there a way to specify this "user"?

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  • Getting Drag and Drop to Work in Virtual PC 2007 on Windows 7.

    - by Kryten
    Hi, I have Virtual PC 2007 installed on my Windows 7 machine. Before anyone asks, I have installed VPC 2007 because my machine does not support the new Virtual PC for Windows 7. Everythings working fine, except for the drag and drop file feature. On my old Windows XP machine the drag and drop feature works fine, but on Windows 7, nothing happens. I just get the "no drop" cursor. I HAVE installed Virtual Machine Additions and have run Virtual PC under XP Compatability, but still nothing. The Virtual Machines I have tried draging and dropping files onto on are: Windows 2000 Windows XP Windows 98 and as I said they all have Virtual Machine Additions on them. Whats going on? How can I get the drag and drop feature working? I did see this question, but it still doesn't answer my question.

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  • Ctrl-Alt-F1 never gives prompt

    - by nispio
    When I press Ctrl+Alt+F1 in my Red Hat Enterprise Linux 6.4 (Santiago) I get a black screen with a blinking cursor, but I never get a login prompt. I can get back to my desktop with Ctrl+Alt+F7, and things work as normal. However, when I run sudo init 3 I get the same thing, but this time I am stuck at the screen and can't get back without a reboot. I'm not even sure where to start looking for the cause of this problem. Are the startup scripts that might be causing the problem or other system configurations that could lead to this? If this is not an known issue, what steps should I take to debug?

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  • Why my USB mouse get suspended after 3 seconds of inactivity?

    - by Vi.
    Mouse's bottom LED goes off after 3 seconds after connection and cursor movements and wheel stops. Pressing any button, reconnecting or resetting USB device resumes it for another 3 seconds (when resumed by pressing button, this event does no go to X). This happens when using any of USB ports. This mouse works well with other computer with Linux. It was working well before. Why can it happen? How to fix it? Update: It happens only if laptop is on battery. Answer: this is caused by powersaving done by laptop-mode-tools. To temporary turn off powersaving one can use for i in /sys/bus/usb/devices/*/power/control; do echo on > $i; done

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  • ALT+TAB doesn't work properly in Windows 8.1

    - by Marco1
    Holding ALT+TAB will activate the flip 2D to switch from a window to another. The problem is that this function remains active for a very short time and I'm not able to select the window I want in the foreground. I also noticed that when I put the cursor on an icon on the taskbar, the live preview thumbnail disappears quickly. With a safe mode restart the problem is no longer there, all is fine! With a clean install of Windows 8.1(no driver and applications installed) the problem is here again; obviously disappears with a safe mode restart also in this situation. What's the problem? A Windows process or service?

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  • Replacing GRUB2 with Windows boot loader

    - by KovBal
    I'm trying to replace GRUB2 with Windows' standard boot loader (bootmgr?), but I can't get it to work. My Windows 7 install is in a single NTFS partition, which is marked as active (boot flag is set). First, I tried the automatic repair with the install disk, but it didn't detect any problems. Then I ran bootrec /fixmbr and bootrec /fixboot, but all I got was a black screen at boot with a blinking cursor. After that I created a boot partition for GRUB2, I figured, at least I can use it to chainload, but it give me a "disk reading error". If I used GRUB's ntldr loader, than I got error 0xc0000225 (some sort of BCD error). I tried to rebuild the BCD from the rescue environment, and it was successful, but the error didn't go away. Update: I've tried to rebuild the BCD, but nothing changed...

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  • What is a good "free-form" ("type anywhere" or canvas-like) text editor? [on hold]

    - by scorpiodawg
    My 5-1/2 y.o. son is starting to use a computer and one of the things he likes to do is to type stuff into an editor. He has used TuxPaint before and is familiar with the idea of a "canvas" for painting stuff (where painting anything anywhere on the canvas is fair game). When he opened the text editor (this was gedit on Qimo Linux), he attempted to do the same thing -- he pointed the text cursor to an arbitrary location within the editor window and expected to be able to type there (like a "text canvas", if you will). I had to explain to him that he would have to press Enter a few times to create new lines, as well as press Space a few times to create columns before he could do that. This is sub-optimal. My question: are there any free-form, canvas-like text editors that I can have him use? Almost like hex editors of yore. I am not interested in getting him to create "text areas" in a paint program.

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  • I dropped my hp laptop and it has been on the startup repair screen for hours now--what can I do?

    - by tiy
    I dropped my hp laptop (I have windows 7). There was a blue screen with the cursor. It took about an hour or two for the startup repair screen to appear. Then it says to wait at least an hour. I've been charging my laptop for around a day now and the same screen, with a bar with blue moving, is still there. It says it's fixing disc errors. What can I do to get to the windows screen with usernames and pictures/fix it? thanks.

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  • Has anyone found a (eg bash) shell terminal for Windows as good as the OS X one?

    - by Anentropic
    I am mostly using 'git-bash' which came with the Windows install of Git vcs. I think it is the same one that comes with Cygwin. It works fine technically but the UI sucks: have to right-click the title bar and go to Properties to change the window width most annoyingly... copy and paste and highlight with the mouse are equally cumbersome In contrast, the Terminal app that comes with OS X manages these with aplomb and makes it so much more comfortable to work with. You can even drag and drop a file on it and it will paste the file path in at your cursor! I have also tried: http://sourceforge.net/projects/win-bash http://www.steve.org.uk/Software/bash/ http://www.hamiltonlabs.com/cshell.htm None of these do copy and paste of text without cumbersome right-clicking. I am specifically looking for a Unix-flavoured shell in Windows so I don't have to use different shells between my home dev (Windows), the live server (Linux) or dev at the office (Mac). Yes I have Googled and haven't found one yet...

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  • What are your most useful textexpander (or similar) snippets?

    - by P.Bjorklund
    Textexpander is a program that aims to save you time by auto-replacing snippets of text with the content of your choice, or to quote their Web site: "Save yourself time and effort by typing short abbreviations for frequently-used text and images." So for instance when you type ,h1 it will change it to <h1></h1> with the cursor placed between the <. After some searching I have yet to find a resource/forum-thread/whatnot that discuss the uses of this marvelous program. I am therefore looking for your best snippets or a link to a resource where I can find this. Oh and one thing I can think of right away is sigw, sigp for my work/personal email signature.

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  • How do I display the full title bar in Firefox 29?

    - by ceiling cat
    With Firefox 29, it no longer displays the full title. For example, in this screen shot here, it only display the beginning of "The New York Times - Breaking News, World News & Multimedia". How can I make it display the whole thing? EDIT (for clarification): I'd like to see the full title of the web page of the tab I am on at all times (hovering the cursor would not work for me). Making the tab full width only works if I have 1 or 2 tabs, but most of the time I have many more tabs so this wouldn't work for me.

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  • Disable a driver with a command

    - by user337085
    I have a macbook running Windows on it (with bootcamp). I have external mouse to use, but touchpad remains enabled at the same time. So when I use keyboard, I always click on it and move mouse cursor. The first thing I did is I just disabled driver in devmgmt.msc. But sometimes it could be helpful to disable and enable the driver with AutoHotKey (mapping ^F12 key or whatever). So I just want to know, is there any way of enabling/disabling the driver with a command or registry? In order to be able to do that with AutoHotKey. Thanks.

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  • What happened to Debug test in current context (Ctrl+R, Ctrl+T) in VS2012?

    - by Nilzor
    One of the hot-keys I used most in Visual Studio 2010 was Ctrl+R, Ctrl+T, which ran the unit test the cursor currently was on in debug mode. I think the command is named "Debug tests in current context". Now, you still have a command named Test.DebugTestsInCurrentcontext, but when I assign it to a key combination and activate it, it always yields "currently not available". I do know that there is a new function in the Test menu named "Debug selected test" - but I think that mappes to the selected tests in the Test Explorer, not the file editor. What gives, Microsoft? Are you removing features?

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  • Control Windows 8 with a tablet

    - by Frantumn
    It seems much of Windows 8 is based on the idea that it will be running on tablets, and touch screen PCs. I like this, but I don't have a W89 tablet, or a touch PC yet. I'm running W8 on a laptop, and am wondering if there's any way of using my iPad2 as a touch interface with metro? Or another options that'd be nice is if there's a input device similar to Apple's "Magic Trackpad" that would allow me to use hand gestures instead of a mouse cursor when in metro apps. I've seen some cool videos of MS Smart Glass and it would seem that the capabilities are there. But it may just be too early on to do this? I'm not sure.

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  • why is the address bar black in Google chrome so you cannot see what you're typing ?

    - by Tim
    The address bar background color in Google Chrome is black. I cannot see what I'm typing. What's going on? This is a problem when you're typing in a URL you've never used before (so there's no matching history). Type in a URL you've never used before. Imagine someone is giving it to you over the phone. Make a typo somewhere. Use the back arrow to go back and correct it. You cannot see where the cursor is. This just started happening yesterday. I'm on WinXP Pro.

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  • How to test which button is stuck

    - by Macha
    My laptop's keyboard is prone to buttons sticking. The fix is to just press the same button again. Now when it is the letter/number keys are stuck, it's just a matter of putting the cursor in a text field, and seeing what characters appear. However, when it is one of the modifier keys, or tab, or enter or a few other buttons, it gets harder to tell which key is to blame. Trying to type can result in all sort of shortcuts being triggered. Is there anyway to test what input is being recieved? Also, I'm guessing this is a hardware issue, but if anyone knows of any possible causes/solutions it'd be appreciated. It's a Dell Studio 17, and the problem occurs under Windows and Linux.

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  • Windows 7 hangs at Welcome screen with "EXPLORERFRAME.dll" error

    - by Andika Setiawan
    I have a problem with my Windows 7 which fails to startup, and it happens frequently. I already tried to fix it, but nothing happened. I checked my hardisk and there is no badsector detected. Its stop in the Welcome screen and I get the following message: C:\Windows\System32\EXPLORERFRAME.dll is either not designed to run on Windows or contains an error. The Welcome screen then disappears and I get a totally empty screen with a cursor. What happened and how can I fix it?

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  • Joystick input in Java

    - by typoknig
    Hi all, I am making a 2D game in Java and I want to use a joystick to control the movement of some crosshairs. Right now I have it so the mouse can control those crosshairs. My only criteria for this is that the control for the crosshair must stay in the game window unless a user clicks off into another window. Basically I want my game to capture whatever device is controlling the crosshairs much like a virtual machine captures a mouse. The joystick I am using (Thrustmaster Hotas Cougar) comes with some pretty advanced features, so that may make this easier (or harder). I have tried the solution listed on this page, but I am using a 64bit computer and for some reason it does not like that. I have also tried to use the key emulation feature of my joystick, but with little success. Here is what I have so far, any pointer would be appreciated. Main Class: import java.awt.Color; import java.awt.Cursor; import java.awt.event.MouseEvent; import java.awt.event.MouseMotionListener; import java.awt.Graphics; import java.awt.Image; import java.awt.image.BufferStrategy; import java.awt.image.MemoryImageSource; import java.awt.Point; import java.awt.Toolkit; import javax.swing.JFrame; public class Game extends JFrame implements MouseMotionListener{ private int windowWidth = 1280; private int windowHeight = 1024; private Crosshair crosshair; public static void main(String[] args) { new Game(); } public Game() { this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setSize(windowWidth, windowHeight); this.setResizable(false); this.setLocation(0,0); this.setVisible(true); this.createBufferStrategy(2); addMouseMotionListener(this); initGame(); while(true) { long start = System.currentTimeMillis(); gameLoop(); while(System.currentTimeMillis()-start < 5) { //empty while loop } } } private void initGame() { hideCursor(); crosshair = new Crosshair (windowWidth/2, windowHeight/2); } private void gameLoop() { //game logic drawFrame(); } private void drawFrame() { BufferStrategy bf = this.getBufferStrategy(); Graphics g = (Graphics)bf.getDrawGraphics(); try { g = bf.getDrawGraphics(); Color darkBlue = new Color(0x010040); g.setColor(darkBlue); g.fillRect(0, 0, windowWidth, windowHeight); drawCrossHair(g); } finally { g.dispose(); } bf.show(); Toolkit.getDefaultToolkit().sync(); } private void drawCrossHair(Graphics g){ Color yellow = new Color (0xEDFF62); g.setColor(yellow); g.drawOval(crosshair.x, crosshair.y, 40, 40); g.fillArc(crosshair.x + 10, crosshair.y + 21 , 20, 20, -45, -90); g.fillArc(crosshair.x - 1, crosshair.y + 10, 20, 20, -135, -90); g.fillArc(crosshair.x + 10, crosshair.y - 1, 20, 20, -225, -90); g.fillArc(crosshair.x + 21, crosshair.y + 10, 20, 20, -315, -90); } @Override public void mouseDragged(MouseEvent e) { //empty method } @Override public void mouseMoved(MouseEvent e) { crosshair.x = e.getX(); crosshair.y = e.getY(); } private void hideCursor() { int[] pixels = new int[16 * 16]; Image image = Toolkit.getDefaultToolkit().createImage(new MemoryImageSource(16, 16, pixels, 0, 16)); Cursor transparentCursor = Toolkit.getDefaultToolkit().createCustomCursor(image, new Point(0, 0), "invisiblecursor"); getContentPane().setCursor(transparentCursor); } } Another Class: public class Crosshair{ public int x; public int y; public Crosshair(int x, int y) { this.x = x; this.y = y; } }

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  • Stored proc running 30% slower through Java versus running directly on database

    - by James B
    Hi All, I'm using Java 1.6, JTDS 1.2.2 (also just tried 1.2.4 to no avail) and SQL Server 2005 to create a CallableStatement to run a stored procedure (with no parameters). I am seeing the Java wrapper running the same stored procedure 30% slower than using SQL Server Management Studio. I've run the MS SQL profiler and there is little difference in I/O between the two processes, so I don't think it's related to query plan caching. The stored proc takes no arguments and returns no data. It uses a server-side cursor to calculate the values that are needed to populate a table. I can't see how the calling a stored proc from Java should add a 30% overhead, surely it's just a pipe to the database that SQL is sent down and then the database executes it....Could the database be giving the Java app a different query plan?? I've posted to both the MSDN forums, and the sourceforge JTDS forums (topic: "stored proc slower in JTDS than direct in DB") I was wondering if anyone has any suggestions as to why this might be happening? Thanks in advance, -James (N.B. Fear not, I will collate any answers I get in other forums together here once I find the solution) Java code snippet: sLogger.info("Preparing call..."); stmt = mCon.prepareCall("SP_WB200_POPULATE_TABLE_limited_rows"); sLogger.info("Call prepared. Executing procedure..."); stmt.executeQuery(); sLogger.info("Procedure complete."); I have run sql profiler, and found the following: Java app : CPU: 466,514 Reads: 142,478,387 Writes: 284,078 Duration: 983,796 SSMS : CPU: 466,973 Reads: 142,440,401 Writes: 280,244 Duration: 769,851 (Both with DBCC DROPCLEANBUFFERS run prior to profiling, and both produce the correct number of rows) So my conclusion is that they both execute the same reads and writes, it's just that the way they are doing it is different, what do you guys think? It turns out that the query plans are significantly different for the different clients (the Java client is updating an index during an insert that isn't in the faster SQL client, also, the way it is executing joins is different (nested loops Vs. gather streams, nested loops Vs index scans, argh!)). Quite why this is, I don't know yet (I'll re-post when I do get to the bottom of it) Epilogue I couldn't get this to work properly. I tried homogenising the connection properties (arithabort, ansi_nulls etc) between the Java and Mgmt studio clients. It ended up the two different clients had very similar query/execution plans (but still with different actual plan_ids). I posted a summary of what I found to the MSDN SQL Server forums as I found differing performance not just between a JDBC client and management studio, but also between Microsoft's own command line client, SQLCMD, I also checked some more radical things like network traffic too, or wrapping the stored proc inside another stored proc, just for grins. I have a feeling the problem lies somewhere in the way the cursor was being executed, and it was somehow giving rise to the Java process being suspended, but why a different client should give rise to this different locking/waiting behaviour when nothing else is running and the same execution plan is in operation is a little beyond my skills (I'm no DBA!). As a result, I have decided that 4 days is enough of anyone's time to waste on something like this, so I will grudgingly code around it (if I'm honest, the stored procedure needed re-coding to be more incremental instead of re-calculating all data each week anyway), and chalk this one down to experience. I'll leave the question open, big thanks to everyone who put their hat in the ring, it was all useful, and if anyone comes up with anything further, I'd love to hear some more options...and if anyone finds this post as a result of seeing this behaviour in their own environments, then hopefully there's some pointers here that you can try yourself, and hope fully see further than we did. I'm ready for my weekend now! -James

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  • Working on a jQuery plugin : viewport simulator

    - by pixelboy
    Hi community, i'm working on a jQuery plugin that's aiming to simulate one axis camera movements. The first step to achieving this is simple : use conventional, clean markup, and get the prototype to work. Heres how to initiate the plugin : $('#wrapper').fluidGrids({exclude: '.exclude'}); Here's a working demo of the WIP thing : http://sandbox.test.everestconseil.com/protoCitroen/home.html Where am I having issues : Is there a fast way to detect if parent of each target (clickable animated element) is a href link, and if so to save this url ? My clone uses the original background image to then animate it.fade it to black/white. But when you clik on an element, image url is found, but doesn't seem to be injected. Do you see anything ? Finally, about animation of elements : as you can see in source code, I'm using the container $('#wrapper') to position all animated children. What would be the perfect properties to apply to make this cross browser proof ? Here's the source code for the plugin, fully commented. (function($){ $.fn.extend({ //plugin name - fluidGrids fluidGrids: function(options) { //List and default values for available options var defaults = { //The target that we're going to use to handle click event hitTarget: '.animateMe', exclude: '.exclude', animateSpeed: 1000 }; var options = $.extend(defaults, options); return this.each(function() { var o = options; //Assign current element to variable var obj = $(this); //We assign default width height and positions to each object in order to get them back when necessary var objPosition = obj.position(); //Get all ready to animate targets in innerViewport var items = $(o.hitTarget, obj); //Final coords of innerViewport var innerViewport = new Object(); innerViewport.top = parseInt(objPosition.top); innerViewport.left = parseInt(objPosition.left); innerViewport.bottom = obj.height(); innerViewport.right = obj.width(); items.each(function(e){ //Assign a pointer cursor to each clickable element $(this).css("cursor","pointer"); //To load distant url at last, we look for it in Title Attribute if ($(this).attr('title').length){ var targetUrl = $(this).attr('title'); } //We assign default width height and positions to each object in order to get them back when necessary var itemPosition = $(this).position(); var itemTop = itemPosition.top; var itemLeft = itemPosition.left; var itemWidth = $(this).width(); var itemHeight = $(this).height(); //Both the original and it's animated clone var original = $(this); //To give the if (original.css('background-image')){ var urlImageOriginal = original.css('background-image').replace(/^url|[("")]/g, ''); var imageToInsert = "<img src="+urlImageOriginal+"/>" } var clone = $(this).clone(); original.click(function() { $(clone).append(imageToInsert); $(clone).attr("id","clone"); $(clone).attr('top',itemTop); $(clone).attr('left',itemLeft); $(clone).css("position","absolute"); $(clone).insertAfter(this); $(this).hide(); $(clone).animate({ top: innerViewport.top, left: innerViewport.left, width: innerViewport.bottom, height: innerViewport.right }, obj.animateSpeed); $("*",obj).not("#clone, #clone * , a , "+ o.exclude).fadeOut('fast'); //Si l'objet du click est un lien return false; }); }); }); } }); })(jQuery);

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  • XmlException - inserting attribute gives "unexpected token" exception

    - by Anders Svensson
    Hi, I have an XmlDocument object in C# that I transform, using XslTransform, to html. In the stylesheet I insert an id attribute in a span tag, taking the id from an element in the XmlDocument. Here is the template for the element: <xsl:template match="word"> <span> <xsl:attribute name="id"><xsl:value-of select="@id"></xsl:value-of></xsl:attribute> <xsl:apply-templates/> </span> </xsl:template> But then I want to process the result document as an xhtml document (using the XmlDocument dom). So I'm taking a selected element in the html, creating a range out of it, and try to load the element using XmlLoad(): wordElem.LoadXml(range.htmlText); But this gives me the following exception: "'598' is an unexpected token. The expected token is '"' or '''. Line 1, position 10." And if I move the cursor over the range.htmlText, I see the tags for the element, and the "id" shows without quotes, which confuses me (i.e.SPAN id=598 instead of SPAN id="598"). To confuse the matter further, if I insert a blank space or something like that in the value of the id in the stylesheet, it works fine, i.e.: <span> <xsl:attribute name="id"><xsl:text> </xsl:text> <xsl:value-of select="@id"></xsl:value-of></xsl:attribute> <xsl:apply-templates/> </span> (Notice the whitespace in the xsl:text element). Now if I move the cursor over the range.htmlText, I see an id with quotes as usual in attributes (and as it shows if I open the html file in notepad or something). What is going on here? Why can't I insert an attribute this way and have a result that is acceptable as xhtml for XmlDocument to read? I feel I am missing something fundamental, but all this surprises me, since I do this sort of transformations using xsl:attribute to insert attributes all the time for other types of xsl transformations. Why doesn't XmlDocument accept this value? By the way, it doesn't matter if it is an id attribute. i have tried with the "class" attribute, "style" etc, and also using literal values such as "style" and setting the value to "color:red" and so on. The compiler always complains it is an unvalid token, and does not include quotes for the value unless there is a whitespace or something else in there (linebreaks etc.). I hope I have provided enough information. Any help will be greatly appreciated. Basically, what I want to accomplish is set an id in a span element in html, select a word in a webbrowser control with this document loaded, and get the id attribute out of the selected element. I've accomplished everything, and can actually do what I want, but only if I use regex e.g. to get the attribute value, and I want to be able to use XmlDocument instead to simply get the value out of the attribute directly. I'm sure I'm missing something simple, but if so please tell me. Regards, Anders

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  • Data won't save to SQL database, getting error "close() was never explicitly called on database"

    - by SnowLeppard
    I have a save button in the activity where the user enters data which does this: String subjectName = etName.getText().toString(); String subjectColour = etColour.getText().toString(); SQLDatabase entrySubject = new SQLDatabase(AddSubject.this); entrySubject.open(); entrySubject.createSubjectEntry(subjectName, subjectColour); entrySubject.close(); Which refers to this SQL database class: package com.***.schooltimetable; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.database.SQLException; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper; public class SQLDatabase { public static final String KEY_SUBJECTS_ROWID = "_id"; public static final String KEY_SUBJECTNAME = "name"; public static final String KEY_COLOUR = "colour"; private static final String DATABASE_NAME = "Database"; private static final String DATABASE_TABLE_SUBJECTS = "tSubjects"; private static final int DATABASE_VERSION = 1; private DbHelper ourHelper; private final Context ourContext; private SQLiteDatabase ourDatabase; private static class DbHelper extends SQLiteOpenHelper { public DbHelper(Context context) { super(context, DATABASE_NAME, null, DATABASE_VERSION); // TODO Auto-generated constructor stub } @Override public void onCreate(SQLiteDatabase db) { // TODO Auto-generated method stub db.execSQL("CREATE TABLE " + DATABASE_TABLE_SUBJECTS + " (" + KEY_SUBJECTS_ROWID + " INTEGER PRIMARY KEY AUTOINCREMENT, " + KEY_SUBJECTNAME + " TEXT NOT NULL, " + KEY_COLOUR + " TEXT NOT NULL);"); } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { // TODO Auto-generated method stub db.execSQL("DROP TABLE IF EXISTS " + DATABASE_TABLE_SUBJECTS); onCreate(db); } } public SQLDatabase(Context c) { ourContext = c; } public SQLDatabase open() throws SQLException { ourHelper = new DbHelper(ourContext); ourDatabase = ourHelper.getWritableDatabase(); return this; } public void close() { ourHelper.close(); } public long createSubjectEntry(String subjectName, String subjectColour) { // TODO Auto-generated method stub ContentValues cv = new ContentValues(); cv.put(KEY_SUBJECTNAME, subjectName); cv.put(KEY_COLOUR, subjectColour); return ourDatabase.insert(DATABASE_TABLE_SUBJECTS, null, cv); } public String[][] getSubjects() { // TODO Auto-generated method stub String[] Columns = new String[] { KEY_SUBJECTNAME, KEY_COLOUR }; Cursor c = ourDatabase.query(DATABASE_TABLE_SUBJECTS, Columns, null, null, null, null, null); String[][] Result = new String[1][]; // int iRow = c.getColumnIndex(KEY_LESSONS_ROWID); int iName = c.getColumnIndex(KEY_SUBJECTNAME); int iColour = c.getColumnIndex(KEY_COLOUR); for (c.moveToFirst(); !c.isAfterLast(); c.moveToNext()) { Result[0][c.getPosition()] = c.getString(iName); Result[1][c.getPosition()] = c.getString(iColour); Settings.subjectCount = c.getPosition(); TimetableEntry.subjectCount = c.getPosition(); } return Result; } This class has other variables and other variations of the same methods for multiple tables in the database, i've cut out the irrelevant ones. I'm not sure what I need to close and where, I've got the entrySubject.close() in my activity. I used the methods for the database from the NewBoston tutorials. Can anyone see what I've done wrong, or where my problem is? Thanks.

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  • Why does vbkeyup produce different results than vbkeydown does in this Code.

    - by Joshua Rhoads
    I have a VB6 app. It consists of a flexgrid. I have code to allow the user to press the up or down arrow key to switch rows in the grid. When the down arrow key is pressed the cursor is placed at the end of the text in the next row, but when the Up arrow key is pressed the cursor is placed in the middle of the text of the previous row. Anybody have any explantion for this. Private Sub Command1_Click() With MSFlexGrid1 .Cols = 4 .Rows = 5 .FixedCols = 1 .FixedRows = 1 MSFlexGrid1.TextMatrix(0, 1) = "FROM" MSFlexGrid1.TextMatrix(0, 2) = "THRU" MSFlexGrid1.TextMatrix(0, 3) = "PAGE" MSFlexGrid1.TextMatrix(1, 1) = "Aa" MSFlexGrid1.TextMatrix(1, 2) = "Az" MSFlexGrid1.TextMatrix(1, 3) = "-" MSFlexGrid1.TextMatrix(2, 1) = "Ba" MSFlexGrid1.TextMatrix(2, 2) = "Bz" MSFlexGrid1.TextMatrix(2, 3) = "-" MSFlexGrid1.TextMatrix(3, 1) = "Ca" MSFlexGrid1.TextMatrix(3, 2) = "Cz" MSFlexGrid1.TextMatrix(3, 3) = "-" MSFlexGrid1.TextMatrix(4, 1) = "Da" MSFlexGrid1.TextMatrix(4, 2) = "Dz" MSFlexGrid1.TextMatrix(4, 3) = "-" End With End Sub Private Sub Command2_Click() End End Sub Private Sub Form_Load() Text1.Visible = False End Sub Private Sub MSFlexGrid1_DblClick() FlexGridEdit Asc(" ") Exit Sub End Sub Private Sub FlexGridEdit(KeyAscii As Integer) Text1.Left = MSFlexGrid1.CellLeft + MSFlexGrid1.Left Text1.Top = MSFlexGrid1.CellTop + MSFlexGrid1.Top Text1.Width = MSFlexGrid1.ColWidth(MSFlexGrid1.Col) - 2 * (MSFlexGrid1.ColWidth (MSFlexGrid1.Col) - MSFlexGrid1.CellWidth) Text1.Height = MSFlexGrid1.RowHeight(MSFlexGrid1.Row) - 2 * (MSFlexGrid1.RowHeight(MSFlexGrid1.Row) - MSFlexGrid1.CellHeight) Text1.MaxLength = 2 Text1.Visible = True Text1.SetFocus Select Case KeyAscii Case 0 To Asc(" ") Text1.Text = MSFlexGrid1.Text Text1.SelStart = Len(Text1.Text) Case Else Text1.Text = Chr$(KeyAscii) Text1.SelStart = 1 End Select Exit Sub End Sub Function ValidateFlexGrid1() As Boolean Dim llCntrRow As Integer Dim llCntrCol As Integer Dim max_len As Single Dim new_len As Single Dim liCntr As Integer Dim lsCheck As String With MSFlexGrid1 If Text1.Visible Then .Text = Text1.Text If .Rows = .FixedRows Then ValidateFlexGrid1 = False End If For llCntrCol = .FixedCols To MSFlexGrid1.Cols - 1 For llCntrRow = .FixedRows To MSFlexGrid1.Rows - 1 If .TextMatrix(llCntrRow, llCntrCol) = "" Then ValidateFlexGrid1 = False Exit Function End If Next llCntrRow Next llCntrCol End With ValidateFlexGrid1 = True Exit Function End Function Private Sub Text1_Keydown(KeyCode As Integer, Shift As Integer) Select Case KeyCode Case vbKeyRight, vbKeyLeft, vbKeyReturn If Text1.Visible = True Then If Text1.Text = "/" Then If MSFlexGrid1.Row > 1 Then Text1.Text = MSFlexGrid1.TextMatrix(MSFlexGrid1.Row - 1, MSFlexGrid1.Col) Text1.SelStart = Len(Text1.Text) End If End If MSFlexGrid1.Text = Text1.Text If KeyCode = vbKeyRight Or KeyCode = vbKeyReturn Then If Text1.SelStart = Len(Text1.Text) Then FlexGridChkPos KeyCode FlexGridEdit Asc(" ") End If Else If Text1.SelStart = 0 Then FlexGridChkPos KeyCode FlexGridEdit Asc(" ") End If End If End If Case vbKeyDown, vbKeyUp If Text1.Visible = True Then MSFlexGrid1.Text = Text1.Text FlexGridChkPos KeyCode FlexGridEdit Asc(" ") End If End Select Exit Sub End Sub Function FlexGridChkPos(KeyCode As Integer) As Boolean Dim llNextRow As Long Dim llNextCol As Long Dim llCurrCol As Long Dim llCurrRow As Long Dim llTotCols As Long Dim llTotRows As Long Dim llBegRow As Long Dim llBegCol As Long Dim llCntrCol As Long Dim lsText As String With MSFlexGrid1 llCurrRow = .Row + 1 llCurrCol = .Col + 1 llTotRows = .Rows llTotCols = .Cols llBegRow = .FixedRows llBegCol = .FixedCols If KeyCode = vbKeyRight Or KeyCode = vbKeyReturn Then llNextCol = llCurrCol + 1 If llNextCol > llTotCols Then llNextRow = llCurrRow + 1 If llNextRow > llTotRows Then .Rows = .Rows + 1 llCurrRow = llCurrRow + 1 llCurrCol = 1 + llBegCol Else llCurrRow = llNextRow llCurrCol = 1 + llBegCol End If Else llCurrCol = llNextCol End If End If If KeyCode = vbKeyLeft Then llNextCol = llCurrCol - 1 If llNextCol = llBegCol Then llNextRow = llCurrRow - 1 If llNextRow = llBegRow Then llCurrRow = llTotRows Else llCurrRow = llNextRow End If llCurrCol = llTotCols Else llCurrCol = llNextCol End If End If If KeyCode = vbKeyUp Then llNextRow = llCurrRow - 1 If llNextRow = llBegRow Then llCurrRow = llTotRows Else llCurrRow = llNextRow End If End If If KeyCode = vbKeyDown Then llNextRow = llCurrRow + 1 If llNextRow > llTotRows Then llCurrRow = llBegRow + 1 Else llCurrRow = llNextRow End If End If .Col = llCurrCol - 1 .Row = llCurrRow - 1 End With Exit Function End Function

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