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  • How to add a customized box at the bottom left side of wall tab?

    - by Unreality
    Dear all, I have a question about Facebook Page: (NOT user profile page, I mean a facebook page where you can become a fan) How to add a customized box at the bottom left side of wall tab? (I am the page creator/admin) Please don't just give an answer "add the box to the page". Cause I really don't know how. Also, it seems that putting $facebook-api_client-profile_setFBML and $facebook-api_client-profile_setInfo for the application won't provide a way for the page to add the box. Below is an example image that is done by the other. I have circled the box at the image. I would like to know how to do the same to the page that I owned. Many thanks for reading.

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  • SWT Layout for absolute positioning with minimal-spanning composites

    - by pure.equal
    Hi, I'm writing a DND-editor where I can position elemtents (like buttons, images ...) freely via absolute positioning. Every element has a parent composite. These composites should span/grasp/embrace every element they contain. There can be two or more elements in the same composite and a composite can contain another composite. This image shows how it should look like. To achive this I wrote a custom layoutmanager: import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Layout; public class SpanLayout extends Layout { Point[] sizes; int calcedHeight, calcedWidth, calcedX, calcedY; Point[] positions; /* * (non-Javadoc) * * @see * org.eclipse.swt.widgets.Layout#computeSize(org.eclipse.swt.widgets.Composite * , int, int, boolean) * * A composite calls computeSize() on its associated layout to determine the * minimum size it should occupy, while still holding all its child controls * at their minimum sizes. */ @Override protected Point computeSize(Composite composite, int wHint, int hHint, boolean flushCache) { int width = wHint, height = hHint; if (wHint == SWT.DEFAULT) width = composite.getBounds().width; if (hHint == SWT.DEFAULT) height = composite.getBounds().height; return new Point(width, height); } /* * (non-Javadoc) * * @see * org.eclipse.swt.widgets.Layout#layout(org.eclipse.swt.widgets.Composite, * boolean) * * Calculates the positions and sizes for the children of the passed * Composite, then places them accordingly by calling setBounds() on each * one. */ @Override protected void layout(Composite composite, boolean flushCache) { Control children[] = composite.getChildren(); for (int i = 0; i < children.length; i++) { calcedX = calcX(children[i]); calcedY = calcY(children[i]); calcedHeight = calcHeight(children[i]) - calcedY; calcedWidth = calcWidth(children[i]) - calcedX; if (composite instanceof Composite) { calcedX = calcedX - composite.getLocation().x; calcedY = calcedY - composite.getLocation().y; } children[i].setBounds(calcedX, calcedY, calcedWidth, calcedHeight); } } private int calcHeight(Control control) { int maximum = 0; if (control instanceof Composite) { if (((Composite) control).getChildren().length > 0) { for (Control child : ((Composite) control).getChildren()) { int calculatedHeight = calcHeight(child); if (calculatedHeight > maximum) { maximum = calculatedHeight; } } return maximum; } } return control.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).y + control.getLocation().y; } private int calcWidth(Control control) { int maximum = 0; if (control instanceof Composite) { if (((Composite) control).getChildren().length > 0) { for (Control child : ((Composite) control).getChildren()) { int calculatedWidth = calcWidth(child); if (calculatedWidth > maximum) { maximum = calculatedWidth; } } return maximum; } } return control.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x + control.getLocation().x; } private int calcX(Control control) { int minimum = Integer.MAX_VALUE; if (control instanceof Composite) { if (((Composite) control).getChildren().length > 0) { for (Control child : ((Composite) control).getChildren()) { int calculatedX = calcX(child); if (calculatedX < minimum) { minimum = calculatedX; } } return minimum; } } return control.getLocation().x; } private int calcY(Control control) { int minimum = Integer.MAX_VALUE; if (control instanceof Composite) { if (((Composite) control).getChildren().length > 0) { for (Control child : ((Composite) control).getChildren()) { int calculatedY = calcY(child); if (calculatedY < minimum) { minimum = calculatedY; } } return minimum; } } return control.getLocation().y; } } The problem with it is that it always positions the composite at the position (0,0). This is because it tries to change the absolute positioning into a relative one. Lets say I position a image at position (100,100) and one at (200,200). Then it has to calculate the location of the composite to be at (100,100) and spanning the one at (200,200). But as all child positions are relative to their parents I have to change the positions of the children to remove the 100px offset of the parent. When the layout gets updated it moves everything to the top-left corner (as seen in the image) because the position of the image is not (100,100) but (0,0) since I tried to remove the 100px offset of the partent. Where is my error in reasoning? Is this maybe a totally wrong approach? Is there maybe an other way to achive the desired behavior? Thanks in advance! Best regards, Ed

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  • Javascript execution order

    - by zaf
    I want to give a static javascript block of code to a html template designer, which can be: either inline or external or both used once or more in the html template and each block can determine its position in the template relative to the other javascript code blocks. An example could be image banners served using javascript. I give code to template designer who places it in two places, once for a horizontal banner in the header and once for a vertical banner. The same code runs in both blocks but knowing their positions can determine if to serve a horizontal or a vertical image banner. Make sense?

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  • Simple way to implement computer-go board in Java

    - by codingbear
    I want to make a simple Go board to design an Computer Go game. In a go game, you lie a "stone" (white or black) on a position where horizontal and vertical lines intersect. What are some simple ways to restrict users from placing their stones in other locations? Maybe I'm just not seeing a simple solution. EDIT I guess I should rephrase my question better: I want to know how to do the background image of Go board, so that I can lie my stones on the intersection of the horizontal and the vertical lines. I was thinking about getting a just regular Go board image, and when I'm actually rendering stones, I find right position of pixels to lie stones. However, that solution did not seem to be the best solution, since I need to worry about size of stone images and think about proportionality when I either expand or shrink the board window.

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  • Android: How to create an onclick event for a SimpleCursorAdapter?

    - by user117701
    I have this code: db=(new DatabaseHelper(this)).getWritableDatabase(); constantsCursor=db.rawQuery("SELECT _ID, title, subtitle, image "+ "FROM news ORDER BY title", null); ListAdapter adapter=new SimpleCursorAdapter(this, R.layout.row, constantsCursor, new String[] {"title", "subtitle", "image"}, new int[] {R.id.value, R.id.title, R.id.icon}); setListAdapter(adapter); registerForContextMenu(getListView()); Which displays a list of titles. I dont however for the life of me know how to create a click event so that i can call another view when i click an item from that list. Anyone?

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  • Visual Studio 2010 Productivity Tips and Tricks-Part 2: Key Shortcuts

    - by ToStringTheory
    Ask anyone that knows me, and they will confirm that I hate the mouse.  This isn’t because I deny affection to objects that don’t look like their mammalian-named self, but rather for a much more simple and not-insane reason: I have terrible eyesight.  Introduction Thanks to a degenerative eye disease known as Choroideremia, I have learned to rely more on the keyboard which I can feel digital/static positions of keys relative to my fingers, than the much more analog/random position of the mouse.  Now, I would like to share some of the keyboard shortcuts with you now, as I believe that they not only increase my productivity, but yours as well once you know them (if you don’t already of course)...  I share one of my biggest tips for productivity in the conclusion at the end. Visual Studio Key Shortcuts Global Editor Shortcuts These are shortcuts that are available from almost any application running in Windows, however are many times forgotten. Shortcut Action Visual Studio 2010 Functionality Ctrl + X Cut This shortcut works without a selection. If nothing is selected, the entire line that the caret is on is cut from the editor. Ctrl + C Copy This shortcut works without a selection. If nothing is selected, the entire line that the caret is on is copied from the editor. Ctrl + V Paste If you copied an entire line by the method above, the data is pasted in the line above the current caret line. Ctrl + Shift + V Next Clipboard Element Cut/Copy multiple things, and then hit this combo repeatedly to switch to the next clipboard item when pasting. Ctrl + Backspace Delete Previous Will delete the previous word from the editor directly before the caret. If anything is selected, will just delete that. Ctrl + Del Delete Next Word Will delete the next word/space from the editor directly after the caret. If anything is selected, will just delete that. Shift + Del Delete Focused Line Will delete the line from the editor that the caret is on. If something is selected, will just delete that. Ctrl + ? or Ctrl + ? Left/Right by Word This will move the caret left or right by word or special character boundary. Holding Shift will also select the word. Ctrl + F Quick Find Either the Quick Find panel, or the search bar if you have the Productivity Power Tools installed. Ctrl + Shift + F Find in Solution Opens up the 'Find in Files' window, allowing you to search your solution, as well as using regex for pattern matching. F2 Rename File... While not debugging, selecting a file in the solution explorer\navigator and pressing F2 allows you to rename the selected file. Global Application Shortcuts These are shortcuts that are available from almost any application running in Windows, however are many times forgotten... Again... Shortcut Action Visual Studio 2010 Functionality Ctrl + N New File dialog Opens up the 'New File' dialog to add a new file to the current directory in the Solution\Project. Ctrl + O Open File dialog Opens up the 'Open File' dialog to open a file in the editor, not necessarily in the solution. Ctrl + S Save File dialog Saves the currently focused editor tab back to your HDD/SSD. Ctrl + Shift + S Save All... Quickly save all open/edited documents back to your disk. Ctrl + Tab Switch Panel\Tab Tapping this combo switches between tabs quickly. Holding down Ctrl when hitting tab will bring up a chooser window. Building Shortcuts These are shortcuts that are focused on building and running a solution. These are not usable when the IDE is in Debug mode, as the shortcut changes by context. Shortcut Action Visual Studio 2010 Functionality Ctrl + Shift + B Build Solution Starts a build process on the solution according to the current build configuration manager settings. Ctrl + Break Cancel a Building Solution Will cancel a build operation currently in progress. Good for long running builds when you think of one last change. F5 Start Debugging Will build the solution if needed and launch debugging according to the current configuration manager settings. Ctrl + F5 Start Without Debugger Will build the solution if needed and launch the startup project without attaching a debugger. Debugging Shortcuts These are shortcuts that are used when debugging a solution. Shortcut Action Visual Studio 2010 Functionality F5 Continue Execution Continues execution of code until the next breakpoint. Ctrl + Alt + Break Pause Execution Pauses the program execution. Shift + F5 Stop Debugging Stops the current debugging session. NOTE: Web apps will still continue processing after stopping the debugger. Keep this in mind if working on code such as credit card processing. Ctrl + Shift + F5 Restart Debugging Stops the current debugging session and restarts the debugging session from the beginning. F9 Place Breakpoint Toggles/Places a breakpoint in the editor on the current line. Set a breakpoint in condensed code by highlighting the statement first. F10 Step Over Statement When debugging, executes all code in methods/properties on the current line until the next line. F11 Step Into Statement When debugging, steps into a method call so you can walk through the code executed there (if available). Ctrl + Alt + I Immediate Window Open the Immediate Window to execute commands when execution is paused. Navigation Shortcuts These are shortcuts that are used for navigating in the IDE or editor panel. Shortcut Action Visual Studio 2010 Functionality F4 Properties Panel Opens the properties panel for the selected item in the editor/designer/solution navigator (context driven). F12 Go to Definition Press F12 with the caret on a member to navigate to its declaration. With the Productivity tools, Ctrl + Click works too. Ctrl + K Ctrl + T View Call Hierarchy View the call hierarchy of the member the caret is on. Great for going through n-tier solutions and interface implementations! Ctrl + Alt + B Breakpoint Window View the breakpoint window to manage breakpoints and their advanced options. Allows easy toggling of breakpoints. Ctrl + Alt + L Solution Navigator Open the solution explorer panel. Ctrl + Alt + O Output Window View the output window to see build\general output from Visual Studio. Ctrl + Alt + Enter Live Web Preview Only available with the Web Essential plugin. Launches the auto-updating Preview panel. Testing Shortcuts These are shortcuts that are used for running tests in the IDE. Please note, Visual Studio 2010 is all about context. If your caret is within a test method when you use one of these combinations, the combination will apply to that test. If your caret is within a test class, it will apply to that class. If the caret is outside of a test class, it will apply to all tests. Shortcut Action Visual Studio 2010 Functionality Ctrl + R T Run Test(s) Run all tests in the current context without a debugger attached. Breakpoints will not be stopped on. Ctrl + R Ctrl + T Run Test(s) (Debug) Run all tests in the current context with a debugger attached. This allows you to use breakpoints. Substitute A for T from the preceding combos to run/debug ALL tests in the current context. Substitute Y for T from the preceding combos to run/debug ALL impacted/covering tests for a method in the current context. Advanced Editor Shortcuts These are shortcuts that are used for more advanced editing in the editor window. Shortcut Action Visual Studio 2010 Functionality Shift + Alt + ? Shift + Alt + ? Multiline caret up/down Use this combo to edit multiple lines at once. Not too many uses for it, but once in a blue moon one comes along. Ctrl + Alt + Enter Insert Line Above Inserts a blank line above the line the caret is currently on. No need to be at end or start of line, so no cutting off words/code. Ctrl + K Ctrl + C Comment Selection Comments the current selection out of compilation. Ctrl + K Ctrl + U Uncomment Selection Uncomments the current selection into compilation. Ctrl + K Ctrl + D Format Document Automatically formats the document into a structured layout. Lines up nodes or code into columns intelligently. Alt + ? Alt + ? Code line up/down *Use this combo to move a line of code up or down quickly. Great for small rearrangements of code. *Requires the Productivity Power pack from Microsoft. Conclusion This list is by no means meant to be exhaustive, but these are the shortcuts I use regularly every hour/minute of the day. There are still 100s more in Visual Studio that you can discover through the configuration window, or by tooltips. Something that I started doing months ago seems to have interest in my office.. In my last post, I talked about how I hated a cluttered UI. One of the ways that I aimed to resolve that was by systematically cleaning up the toolbars week by week. First day, I removed ALL icons that I already knew shortcuts to, or would never use them (Undo in a toolbar?!). Then, every week from that point on, I make it a point to remove an icon/two from the toolbar and make an effort to remember its key combination. I gain extra space in the toolbar area, AND become more productive at the same time! I hope that you found this article interesting or at least somewhat informative.. Maybe a shortcut or two you didn't know. I know some of them seem trivial, but I often see people going to the edit menu for Copy/Paste... Thought a refresher might be helpful!

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  • Using background-attachment:fixed in safari on the ipad

    - by chris_bcn
    I'm looking to recreate an effect similiar to the popular science app. Basically have one big background image and then have HTML/CSS layer on top of that. When the user scrolls the content, then background-position of the image should remain in place, and not scroll. Obviously in a 'regular' browser I would use background-attachment:fixed, but this doesn't seem to work on the ipad. I know position:fixed doesn't work as you might expect according to safari spec - but is there any way of achieving this?

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  • System.Web.HttpException on asp:gridview pagination

    - by Carlos Muñoz
    I have the following <asp:gridview> with one one TemplateField. En each cell there is an image with a link and a text with a link. It has AllowPaging=True This is the gridview: <asp:GridView ID="gvExperiencias" runat="server" AllowPaging="True" GridLines="None" ShowHeader="False" AutoGenerateColumns="False" Width="650px" PageSize="4" OnDataBinding="gvExperiencias_DataBinding" OnPageIndexChanging="gvExperiencias_PageIndexChanging"> <PagerSettings Mode="NumericFirstLast" FirstPageImageUrl="~/images/fle_pag_izq.gif" LastPageImageUrl="~/images/fle_pag_der.gif" NextPageImageUrl="~/images/fle_pag_der.gif" PreviousPageImageUrl="~/images/fle_pag_izq.gif" Position="TopAndBottom" PageButtonCount="4" FirstPageText="" LastPageText="" NextPageText="" PreviousPageText=""></PagerSettings> <Columns> <asp:TemplateField> <ItemTemplate> <div id="it_0" class="new_solo_exp_ini"> <asp:HyperLink ID="a_0" runat="server" NavigateUrl='<%# "experiencia.aspx?cod_cod=" + Eval("tttb_articulo_relacion_0.ARTCOD_ARTREL") + "&pag=" + pag + "&grp=" + Eval("idiocod_cod_idi_0") + "&cod="+cod %>' Visible='<%# Eval("NotEmpty_0") %>'> <asp:Image ID="Image_0" runat="server" Height="88px" ImageUrl='<%# Eval("arigls_nom_img_0","~/ArchivosUsuario/1/1/Articulos/{0}") %>' Width="88px" CssClass="new_image_exp_ini" /> </asp:HyperLink> <div class="new_vineta_tit_exp_ini"> <asp:HyperLink ID="HyperLink_0" runat="server" NavigateUrl='<%# "experiencia.aspx?cod_cod=" + Eval("tttb_articulo_relacion_0.ARTCOD_ARTREL") + "&pag=" + pag + "&grp=" + Eval("idiocod_cod_idi_0") + "&cod="+cod %>' Text='<%# Bind("arigls_tit_0") %>'> </asp:HyperLink> </div> </div> </ItemTemplate> </asp:TemplateField> </Columns> <PagerStyle CssClass="new_pag_bajo_exp_ini" /> <RowStyle CssClass="new_fila_exp_ini" /> </asp:GridView> When I click the last button or the ... it goes to the corresponding page but when i click on a previous page i get the following errror: An Error Has Occurred Because A Control With Id $ContentPlaceHolder1$gvExperiencias$ctl01$ctl01' Could Not Be Located Or A Different Control Is assigned to the same ID after postback. If the ID is not assigned, explicitly set the ID property of controls that raise postback events to avoid this error. So the pager does not work correctly. I think it's because of the Image's Id that has to be generated dinamically but i don't know how to do it. Can someone help me?

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  • Removing a specific XML node in TIBCO BusinessWorks

    - by sangretu
    I have a "global variable" XML schema in TIBCO BusinessWorks. It's simpler than it looks - basically just a single repeatable node. Image: Tibco globals. (old URL redacted) Various processes in the system can update this list. Checking to see if they are listed is easy: $GetVariable/subscriber-list/subscriber = $_processContext/ns:ProcessContext/ProcessId Adding themselves to the list is pretty easy too, using a Set Variable activity (see bottom half of image) But how can a process remove itself from the list? I'm sure there's a type of mapping I can use to filter out the node I want and let the rest through?

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  • Passing a SAFEARRAY from C# to COM

    - by SlavaGu
    I use 3rd party COM to find faces in a picture. One of the methods has the following signature, from SDK: long FindMultipleFaces( IUnknown* pIDibImage, VARIANTARG* FacePositionArray ); Parameters: pIDibImage[in] - The image to search. FacePositionArray[out]- The array of FacePosition2 objects into which face information is placed. This array is in a safe array (VARIANT) of type VT_UNKNOWN. The size of the array dictates the maximum number of faces for which to search. which translates into the following C# method signature (from metadata): int FindMultipleFaces(object pIDibImage, ref object pIFacePositions); Being optimistic I call it the following way but get an exception that the memory is corrupt. The exception is thrown only when a face is present in the image. FacePosition2[] facePositions = new FacePosition2[10]; object positions = facePositions; int faceCount = FaceLocator.FindMultipleFaces(dibImage, ref positions); What's the right way to pass SAFEARRAY to unmanaged code?

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  • Any way to simulate MouseOver in WPF

    - by jpierson
    I'm working on a link control in WPF which fits the text with icon links case in the Windows UX Guide. What I want is to have some text within a hyperlink that appears to the right of some image. In my case I started off by using a TextBlock that contained a Hyperlink which then contained my image and some text. <TextBlock> <Hyperlink> <Rectangle Height="16" Width="16" Fill="{StaticResource MyIconBrush}" Stretch="UniformToFill" VerticalAlignment="Center" HorizontalAlignment="Left" /> <Run>My link text</Run> </Hyperlink> </TextBlock> The problem with this however was that the image being taller than my text produced an effect where the text was aligned to the bottom. Unfortunately I haven't found any way to control the vertical alignment within the TextBlock or within the Hyperlink so I've resorted to attempting an alternative layout where the Hyperlink and the Rectangle that represent my vector icon are separated in order to get them to align properly like shown below. <TextBlock> <Hyperlink> <StackPanel Orientation="Horizontal"> <Rectangle Height="16" Width="16" Fill="{StaticResource MyIconBrush}" Stretch="UniformToFill" VerticalAlignment="Center" HorizontalAlignment="Left" /> <TextBlock VerticalAlignment="Center"><Hyperlink>My link text<Hyperlink></TextBlock> </StackPanel> </Hyperlink> </TextBlock> The problem with this however is that now that my Icon and my Hyperlink are separated I don't get my MouseOver appearance of my link when I the mouse is over my icon and vise-versa. So this got me to thinking, how do I simulate MouseOver for a given control such with a checkbox where you get the MouseOver effect on the box when you actually mouse over it's associated text. I know in the HTML world the label element has a for attribute that can be used to specify which control it is labeling which will basically do what I'm looking for. Also I can imagine that in other scenarios it may be nice to have a label that when you mouse over shows a corresponding text box as if the mouse is over it and possibly when clicked focus is given to the corresponding text box as well. For now though I'm interested mainly in how to to get a label or label like element in WPF to act as a proxy for a given control in terms of it's MouseOver state. Also I would like to do this purely in XAML if possible.

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  • C# Confusing Results from Performance Test

    - by aip.cd.aish
    I am currently working on an image processing application. The application captures images from a webcam and then does some processing on it. The app needs to be real time responsive (ideally < 50ms to process each request). I have been doing some timing tests on the code I have and I found something very interesting (see below). clearLog(); log("Log cleared"); camera.QueryFrame(); camera.QueryFrame(); log("Camera buffer cleared"); Sensor s = t.val; log("Sx: " + S.X + " Sy: " + S.Y); Image<Bgr, Byte> cameraImage = camera.QueryFrame(); log("Camera output acuired for processing"); Each time the log is called the time since the beginning of the processing is displayed. Here is my log output: [3 ms]Log cleared [41 ms]Camera buffer cleared [41 ms]Sx: 589 Sy: 414 [112 ms]Camera output acuired for processing The timings are computed using a StopWatch from System.Diagonostics. QUESTION 1 I find this slightly interesting, since when the same method is called twice it executes in ~40ms and when it is called once the next time it took longer (~70ms). Assigning the value can't really be taking that long right? QUESTION 2 Also the timing for each step recorded above varies from time to time. The values for some steps are sometimes as low as 0ms and sometimes as high as 100ms. Though most of the numbers seem to be relatively consistent. I guess this may be because the CPU was used by some other process in the mean time? (If this is for some other reason, please let me know) Is there some way to ensure that when this function runs, it gets the highest priority? So that the speed test results will be consistently low (in terms of time). EDIT I change the code to remove the two blank query frames from above, so the code is now: clearLog(); log("Log cleared"); Sensor s = t.val; log("Sx: " + S.X + " Sy: " + S.Y); Image<Bgr, Byte> cameraImage = camera.QueryFrame(); log("Camera output acuired for processing"); The timing results are now: [2 ms]Log cleared [3 ms]Sx: 589 Sy: 414 [5 ms]Camera output acuired for processing The next steps now take longer (sometimes, the next step jumps to after 20-30ms, while the next step was previously almost instantaneous). I am guessing this is due to the CPU scheduling. Is there someway I can ensure the CPU does not get scheduled to do something else while it is running through this code?

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  • Nice shadow effect in text (UISegmentedControl)

    - by Matthias
    Hi, I would like to bring some color to the texts of my UISegmentedControl. So, I've searched a bit about this topic, but it seems to be not possible out-of-the-box. But I found this nice blog post (link text), how to build an image out of a custom text and then assign it to the segemented control. Works fine, but the text in these created images do not have this nice little shadow effect as the original ones. So, does anyone know, how to create such a shadow effect? I guess, Apple does the same (building an image for the text) with the standard segmenented control. Thanks for your help. Regards Matthias

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  • Drawing performance with CGImageCreateWithJPEGDataProvider?

    - by Rnegi
    I've actually curious about this for the iPhone. I am getting an MJPEG stream from a server and trying to render it natively on the iphone (without the use of safari class). Reasons for this is because the safari class while CAN render MJPEG natively, does not do so at the framerate I would like. So I tried drawing it natively, but I've come up with performance issues, namely a syncing issue between what I'm getting from the server and what I am able to draw onto the screen of the phone. (There should be a little lag, but the drift gets really bad, which is what I want to avoid). So I have a connection set up to my server and I do get the JPEGS. It's just data I insert into a NSMutableArray buffer CFMutableDataRef _t_data_ref = (CFMutableDataRef)[_buffer_array objectAtIndex:0]; //CGDataProviderRef imgDataProvider = CGDataProviderCreateWithCFData (_cf_buffer_data); CGDataProviderRef imgDataProvider = CGDataProviderCreateWithCFData(_t_data_ref); CGImageRef image = CGImageCreateWithJPEGDataProvider(imgDataProvider, NULL, true, kCGRenderingIntentDefault); CGImageRef imgRef = image; CGContextDrawImage(context, CGRectMake(0, 17, 380, 285), imgRef); CGImageRelease(image); CGDataProviderRelease(imgDataProvider); please note this is the gist of my code, but it should summarize what I am trying to accomplish with regards to drawing. Also in order to get the framerate in sync, I had to detach a separate thread that sleeps X seconds and calls [self setNeedsDisplay]. NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; // Top-level pool while(1) { //[NSThread sleepForTimeInterval:TIMER_REFRESH_VALUE]; //sleep(unsigned int ); usleep(MICRO_REFRESH_VALUE); if ([_buffer_array count] > 10) { //NSLog(@"stuff %d", [_buffer_array count]); //[self setNeedsDisplay]; [self performSelectorOnMainThread:@selector(setNeedsDisplay) withObject:nil waitUntilDone:NO]; } } [pool release]; // Release the objects in the pool. My buffer of jpeg data actually fills up quite quick, but I can't seem to actually consume what i'm getting at the same rate, actually much slower. Are there any documents that can describe what kind of performance tuning I can do to make it go faster when rendering the JPEG to the screen? Or am I kind of stuck here? Thanks!

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  • UIScrollView ImageView with pins on top

    - by Koppo
    To all, I have a UIScrollView which has a UIImageView. I want to show pins on this imageView. When I add pins as subviews of the ImageView everything is great except for when you zoom the scale transform happens on the pins also. I don't want this behavior and want my pins to stay the same. So I choose to add the Pins to another view which sits on top of the ImageView and is also a subview of the UIScrollView. The idea here if you will imagine is to have a layer which hovers over the map and won't scale yet show pins over where I plot them. The pin when added to the layer view don't cale if the ImageView scales. However the issue then bceomes the position of the pins doesn't match the original origin x/y as the ImageView has had a scale transform. Basically this is a custom map of a place with Pins. I am trying to have the Pins float over and not zoom in and out over my ImageView yet remember where I placed them when the zoom happens. Some code scrollView = [[UIScrollView alloc] initWithFrame:viewRect]; scrollView.delegate = self; scrollView.pagingEnabled = NO; scrollView.scrollsToTop = NO; [scrollView setBackgroundColor:[UIColor clearColor]]; scrollView.clipsToBounds = YES; // default is NO, we want to restrict drawing within our scrollview scrollView.bounces = YES; scrollView.autoresizingMask = UIViewAutoresizingFlexibleHeight; scrollView.indicatorStyle = UIScrollViewIndicatorStyleWhite; imageViewMap = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"image.png"]]; imageViewMap.userInteractionEnabled = YES; viewRect = CGRectMake(0,0,imageViewMap.image.size.width,imageViewMap.image.size.height); //viewRect = CGRectMake(0,0,2976,3928); [scrollView addSubview:imageViewMap]; [scrollView setContentSize:CGSizeMake(viewRect.size.width, viewRect.size.height)]; iconsView = [[UIView alloc] initWithFrame:imageViewMap.frame]; [scrollView addSubview:iconsView]; Code to add Pin later on some event. [iconsView addSubview:pinIcon]; I am stuck in trying tp figure out how to to get my pins to hover on the map without moving when the scale happens. Thanks

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  • jQuery selective hover

    - by Vitor
    Hello everyone, I'm trying to do a simple task with jQuery: I have a list of words which, when hovered, should fadeIn its corresponding image. For example: <a href="#" class="yellow">Yellow</a> <a href="#" class="blue">Blue</a> <a href="#" class="green">Green</a> <img src="yellow.jpg" class="yellow"> <img src="blue.jpg" class="blue"> <img src="green.jpg" class="green"> I'm currently doing it this way for each link/image: $('a.yellow').hover( function () { $('img.yellow').fadeIn('fast'); }, function () { $('img.yellow').fadeOut('fast'); }); The method above works fine, but as I'm still learning, I guess there's a better way to do that instead of repeating functions. Can anyone give me some light here? How can I improve this code?

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  • Linear layout and custom dialog

    - by DixieFlatline
    The button doesn't show in this layout(code below),image and textview are shown. I tried using relative layout but that doesn't help either. I'm testing it on 1.5 emulator. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/layout_root" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="10dp" > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/neki" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="fill_parent" > <ImageView android:id="@+id/image" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_marginRight="10dp" /> <TextView android:id="@+id/text" android:layout_width="wrap_content" android:layout_height="fill_parent" android:textColor="#FFF" android:text="Some text " /> </LinearLayout> <Button android:id="@+id/gumbek" android:text="V redu" android:typeface="serif" android:textStyle="bold" android:layout_width="fill_parent" android:layout_height="wrap_content" /> </LinearLayout>

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  • MkMapView setRegion animation prevents touch events on Annotation Views

    - by Vlad Gurovich
    Hi there! We have a MKmapView with a bunch of Image Annotation where each Image annotation responds to touch by overriding these methods of AnnotationView subclass: -(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event; -(void) touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event Our map region is updated using [MkMapView setRegion:animated:] whenever the new location is received and is far enough from the old location to make a difference. What I noticed is that if we set animated flag to YES the touches on our annotation are rarely detected(probably due to the fact that main thread is busy animating between two map regions. When we set animated flag to NO, everything is fine, but map transition may(or may not) become jerky. The question I have is whether this is an expected behavior of animated flag of [MkMapView setRegion:animated] function or whether there is a workaround for this issue. Thanks in advance

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  • Generating a list of Strings in Obj C

    - by eco_bach
    Hi It seems that Objective C jumps thru hoops to make seemingly simple tasks extremely difficult. I simply need to create a sequence of strings, image1.jpg, image2.jpg, etc etc ie in a loop var imgString:String='image'+i+'.jpg; I assume a best practice is to use a NSMutableString with appendString method? What am I doing wrong?? NSMutableString *imgString; for(int i=1;i<=NUMIMAGES;i++){ imgString.appendString(@"image"+i+@".jpg"); } I get the following error error: request for member 'appendString' in something not a structure or union

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  • CodePlex Daily Summary for Sunday, November 04, 2012

    CodePlex Daily Summary for Sunday, November 04, 2012Popular ReleasesZXMAK2: Version 2.6.8.4: fix tape autostop & tape iconProDinner - ASP.NET MVC Sample (EF4.4, N-Tier, jQuery): 8: update to ASP.net MVC Awesome 3.0 udpate to EntityFramework 4.4 update to MVC 4 added dinners grid on homepageASP.net MVC Awesome - jQuery Ajax Helpers: 3.0: added Grid helper added XML Documentation added textbox helper added Client Side API for AjaxList removed .SearchButton from AjaxList AjaxForm and Confirm helpers have been merged into the Form helper optimized html output for AjaxDropdown, AjaxList, Autocomplete works on MVC 3 and 4BlogEngine.NET: BlogEngine.NET 2.7: Cheap ASP.NET Hosting - $4.95/Month - Click Here!! Click Here for More Info Cheap ASP.NET Hosting - $4.95/Month - Click Here! If you want to set up and start using BlogEngine.NET right away, you should download the Web project. If you want to extend or modify BlogEngine.NET, you should download the source code. If you are upgrading from a previous version of BlogEngine.NET, please take a look at the Upgrading to BlogEngine.NET 2.7 instructions. If you looking for Web Application Project, ...Launchbar: Launchbar 4.2.2.0: This release is the first step in cleaning up the code and using all the latest features of .NET 4.5 Changes 4.2.2 (2012-11-02) Improved handling of left clicks 4.1.0 (2012-10-17) Removed tray icon Assembly renamed and signed with strong name Note When you upgrade, Launchbar will start with the default settings. You can import your previous settings by following these steps: Run Launchbar and just save the settings without configuring anything Shutdown Launchbar Go to the folder %LOCA...CommonLibrary.NET: CommonLibrary.NET 0.9.8.8: Releases notes for FluentScript located at http://fluentscript.codeplex.com/wikipage?title=Release%20Notes&referringTitle=Documentation Fluentscript - 0.9.8.8 - Final ReleaseApplication: FluentScript Version: 0.9.8.8 Build: 0.9.8.8 Changeset: 77368 ( CommonLibrary.NET ) Release date: November 2nd, 2012 Binaries: CommonLibrary.dll Namespace: ComLib.Lang Project site: http://fluentscript.codeplex.com/ Download: http://commonlibrarynet.codeplex.com/releases/view/90426 Source code: http://common...Mouse Jiggler: MouseJiggle-1.3: This adds the much-requested minimize-to-tray feature to Mouse Jiggler.Umbraco CMS: Umbraco 4.10.0 Release Candidate: This is a Release Candidate, which means that if we do not find any major issues in the next week, we will release this version as the final release of 4.10.0 on November 9th, 2012. The documentation for the MVC bits still lives in the Github version of the docs for now and will be updated on our.umbraco.org with the final release of 4.10.0. Browse the documentation here: https://github.com/umbraco/Umbraco4Docs/tree/4.8.0/Documentation/Reference/Mvc If you want to do only MVC then make sur...Skype Auto Recorder: SkypeAutoRecorder 1.3.4: New icon and images. Reworked settings window. Implemented high-quality sound encoding. Implemented a possibility to produce stereo records. Added buttons with system-wide hot keys for manual starting and canceling of recording. Added buttons for opening folder with records. Added Help button. Fixed an issue when recording is continuing after call end. Fixed an issue when recording doesn't start. Fixed several bugs and improved stability. Major refactoring and optimization...Access 2010 Application Platform - Build Your Own Database: Application Platform - 0.0.2: Release 0.0.2 Created two new users. One belongs to the Administrators group and the other to the Public group. User: admin Pass: admin User: guest Pass: guest Initial Release This is the first version of the database. At the moment is all contained in one file to make development easier, but the obvious idea would be to split it into Front and Back End for a production version of the tool. The features it contains at the moment are the "Core" features.Python Tools for Visual Studio: Python Tools for Visual Studio 1.5: We’re pleased to announce the release of Python Tools for Visual Studio 1.5 RTM. Python Tools for Visual Studio (PTVS) is an open-source plug-in for Visual Studio which supports programming with the Python language. PTVS supports a broad range of features including CPython/IronPython, Edit/Intellisense/Debug/Profile, Cloud, HPC, IPython, etc. support. For a quick overview of the general IDE experience, please watch this video There are a number of exciting improvement in this release comp...mangopollo: Mangopollo 1.1: New classes : CycleTileData, IconicTileData, FlipTileData to mimic Windows Phone 8 API,BCF.Net: BCF.Net: BCF.Net-20121024 source codeAssaultCube Reloaded: 2.5.5: Linux has Ubuntu 11.10 32-bit precompiled binaries and Ubuntu 10.10 64-bit precompiled binaries, but you can compile your own as it also contains the source. If you are using Mac or other operating systems, please wait while we try to package for those OSes. Try to compile it. If it fails, download a virtual machine. The server pack is ready for both Windows and Linux, but you might need to compile your own for Linux (source included) Changelog: Fixed potential bot bugs: Map change, OpenAL...DirectX Tool Kit: October 30, 2012 (add WP8 support): October 30, 2012 Added project files for Windows Phone 8MCEBuddy 2.x: MCEBuddy 2.3.6: Changelog for 2.3.6 (32bit and 64bit) 1. Fixed a bug in multichannel audio conversion failure. AAC does not support 6 channel audio, MCEBuddy now checks for it and force the output to 2 channel if AAC codec is specified 2. Fixed a bug in Original Broadcast Date and Time. Original Broadcast Date and Time is reported in UTC timezone in WTV metadata. TVDB and MovieDB dates are reported in network timezone. It is assumed the video is recorded and converted on the same machine, i.e. local timezone...MVVM Light Toolkit: MVVM Light Toolkit V4.1 for Visual Studio 2012: This version only supports Visual Studio 2012 (and all Express editions too). If you use Visual Studio 2010, please stay tuned, we will publish an update in a few days with support for VS10. V4.1 supports: Windows Phone 8 Windows 8 (Windows RT) Silverlight 5 Silverlight 4 WPF 4.5 WPF 4 WPF 3.5 And the following development environments: Visual Studio 2012 (Pro, Premium, Ultimate) Visual Studio 2012 Express for Windows 8 Visual Studio 2012 Express for Windows Phone 8 Visual...Microsoft Ajax Minifier: Microsoft Ajax Minifier 4.73: Fix issue in Discussion #401101 (unreferenced var in a for-in statement was getting removed). add the grouping operator to the parsed output so that unminified parsed code is closer to the original. Will still strip unneeded parens later, if minifying. more cleaning of references as they are minified out of the code.RiP-Ripper & PG-Ripper: PG-Ripper 1.4.03: changes NEW: Added Support for the phun.org forum FIXED: Kitty-Kats new Forum UrlLiberty: v3.4.0.1 Release 28th October 2012: Change Log -Fixed -H4 Fixed the save verification screen showing incorrect mission and difficulty information for some saves -H4 Hopefully fixed the issue where progress did not save between missions and saves would not revert correctly -H3 Fixed crashes that occurred when trying to load player information -Proper exception dialogs will now show in place of crashesNew ProjectsAzure Storage Extensions For Storage Client V2.0: This library add LINQ syntax to the method Where on TableQuery<T> This support actually Windows Azure Storage Library V2.0BekkGitTfsDemo: A demo project for a speech on git-tfs.Booky: Booky is a utility bookmarking service which allows you to manage, share and find bookmarks to ultimately store bookmarks online for later use.BSA.Net: BSA.Net bzureC# to C++/CX Converter: Gives you the power of C++ at a cost of the simplicity of C#.Cloud Clipboard Sync: Share the clipboard content via cloud (ex. Dropbox).CricketDataMining: Btech Project on Cricket Data MiningCthulhu Invaders: Estudy project about design patternsDALHelper: Connect to your SQL Server database easily, efficiently, writing minimal code. Dwarf Fortress 2010 Backup Assistant: (Inspired by Minecraft Backup Assistant - http://minecraftbackup.codeplex.com/) Allows quick and easy backup/management of your DF savegames. Planned Features: * Rename saves and autosaves * Backup to zip/7-zip with metadata * Restore backupsInmobiliaria: Proyecto de nosotrosInventário com Código de Barras para Windows CE / Mobile: Aplicativo para inventário de produtos com código de barras. Executa em coletores de dados Windows CE ou Mobile.JQuery MVC in ASP.Net WebForms: The purpose of this project is to try and strip back a lot of the "bloat" in asp.net, use jquery and to build effective MVC in to WebFormsMar3ek's Download Manager 2: Mar3ek's Download Manager 2 - a simple, yet powerful, download manager for windows.Martian Shrimp: A small, simple and modular game making framework for modern browsers.MOJ: Moj is program created to help users organize and browse their virtual movie colectionNetFluid Starter Kit: NetFluid sample collection. Including : - Wallen garden controller - JSON RPC - Background thread web page - Dynamic image generation www.netfluid.orgO Library: The O Library is a SQL Framework to use with SQL Server 2008 & 2012 that enables developer to add a .Net feeling to their T-SQL code.Scanner With WIA2.0: warp implement WIA 2.0 with c#Simplify Workflow: A set of custom activities and templates extending Windows Workflow Foundation to simplify the development process for BPM or Workflow application.T4 C# Constructor Generator: T4 C# Constructor Generator is a T4 template for Visual Studio C# projects that lowers the overhead of the C# compiler by generating constructors.Unity.Mvc.Wcf: Removes the cross-cutting concern of managing WCF service clients used by your MVC controllers.WorkflowCode - Workflow in a Code framework: Intended to use by developers. As useful and simple as possible. It is the Workflow framework for a fast and readable code. With samples and tips.XNeon Netmedia Player: A Media Player, Social Networking Notifier and Internet Browser from the Founder of Aza DOSXooFoo: This project intends sharing tools for the XOOPS communityXoops France: Publications Xoops francophones (traductions noyau xoops, documentations, modules françisés, thèmes, plugin smarty, hacks, ...)Yasher (Yet Another Hasher): Compute hash of files or text. Supported algorithms : * MD5 * SHA1 * SHA256 * SHA384 * SHA512 * RIPEMD160

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  • iPhone - Setting background on UITableView

    - by Hans Espen
    Is there any way to set a background view on a UITableViewController? I try with the code I am using on a UIViewController, but the view comes over all the contents of the table view, and if I add the background view in the cellForRowAtIndexPath-method, it is not showing at all. Anyone done this before or have an idea on how it can be done? Here is the code I am using: UIImage *image = [UIImage imageNamed: @"background.jpg"]; UIImageView *backImage = [[UIImageView alloc] initWithImage: image]; [self.view addSubview: backImage]; [self.view sendSubviewToBack: backImage]; Thanks

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  • how to build an accumulator array in matlab

    - by schwiz
    I'm very new to matlab so sorry if this is a dumb question. I have to following matrices: im = imread('image.jpg'); %<370x366 double> [y,x] = find(im); %x & y both <1280x1 double> theta; %<370x366 double> computed from gradient of image I can currently plot points one at a time like this: plot(x(502) + 120*cos(theta(y(502),x(502))),y(502) + 120*sin(theta(y(502),x(502))),'*b'); But what I want to do is some how increment an accumulator array, something like this: acc = zeros(size(im)); acc(y,x) = acc(x + 120*cos(theta(y,x)),y + 120*sin(theta(y,x)),'*b')) + 1; It would be nice if the 120 could actually be another matrix containing different radius values as well.

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