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  • Java Developers: Is Ant still in the "main stream" for builds? Do we push new developers to learn it?

    - by Sam Goldberg
    We have been slowly replacing batch command files (windows .bat) which were simply jarring up the classes compiled in the developers IDE, with more comprehensive Ant builds (i.e. get from CVS, clean compile, jar, archive, email, etc.) I've spent a lot of time learning (and debugging issues) with Ant, so I'm most comfortable using it for these tasks. But I wonder if Ant is still in as wide usage as it was when I first started learning, or whether "the world has moved on" to something newer (and maybe slicker). (I've started to see more Maven build stuff distributed, which I've never used, for example.) The practical import of this question, is whether I push new developers to learn Ant, or whether they should be learning something else for builds? I'm never too on top of the trends, so it would be great to hear from other Java developers what they think is the best build tool, and what they think new developers should be learning.

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  • Tagging in Subversion - how do I make the decision about continuing to work on my trunk vs. the new

    - by Howiecamp
    I'm running Tortoise SVN to manage a project. Obviously the principles around tagging apply to any implementation of SVN but in this question I'll be referring to some TortoiseSVN-specific dialog boxes and messages. My working directory and the subversion repository structure both have a Source root directory and the Trunk, Tags and Branches directories underneath. (I couldn't figure out how to do a multilevel indented hierarchy in markdown without using bullets, so if someone could edit and fix this I'd appreciate it.) I'm working out of the Trunk directory in my working copy and it's pointing at the Trunk directory in the repo. I want to apply a Tag "Release1" so I click the "Branch/tag..." menu option and set the repo path as my [repo_path/bla/Source/Tags/Release1" tag. This dialog box gives me the option to "Switch my working copy to new branch/tag". I understand that if this option is left unchecked, the new "Release1" branch under /Tags" will be created but my working copy will remain on the previous "Trunk" path. If I do check this option (or use the Switch command) I understand that my working copy will switch to the new "Release1" branch under "/Tags". Where I'm missing a concept is how to make this decision. It doesn't seem like I want to switch my working directory to the recently created tag since by definition (?) I want that tag to be a snapshot of my code as of a point in time. If I don't switch the working directory, I'll continue working off Trunk and when I'm ready to take another snapshot I'll make another tag. And so on... Am I understanding this right or am I stating something incorrectly in the previous paragraph (e.g. the statement about not wanting to switch to the tag since the tag should represent a point in time snapshot) or otherwise missing something regarding how to make this decision?

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  • How do I append Word templates to a new document in VB.NET?

    - by Tom
    I'm poking around to see if this app can be done. Basically the end user needs to create a bunch of export documents that are populated from a database. There will be numerous document templates (.dot) and the end result will be the user choosing templates x y and z to include for documentation, click a button and have the app create a new Word document, append the templates, and then populate the templates with the appropriate data. The reason it needs to be done in Word as opposed to something like Crystal Reports is that the user may customize some fields before printing the documents as it can vary from export to export. Is this possible to do through VB.NET (VS 2010)? I assume it is but I'm having difficulty tracking down a solution. Or alternatively is there a better solution? Here's what I have so far (not much I know) Import Microsoft.Office.Interop Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim oWord As Word.Application Dim oDoc As Word.Document oWord = CreateObject("Word.Application") oWord.Visible = False oDoc = oWord.Documents.Add 'Open templates x.dot, y.dot, z.dot 'Append above templates to new document created 'Populate new document oWord.Visible = True End Sub End Class Thanks.

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  • I've changed my URL schema. How do I tell Google to index the new schema and forget the old one?

    - by growse
    I had a site where the urls were constructed like this /index.php/Topic /index.php/AnotherTopic These were indexed in google, and search results returned that pointed to these. However, I've recently replatformed that site, and reconfigured it so the above urls would be: /index.php?title=Topic /index.php?title=AnotherTopic The original urls are returning 404s. The site is linking to the correct URL schema internally, but Google is retaining the original schema in its search results. I've updated and resubmitted the sitemap which only contains the new schema. Also, Google's webmasters tool is going slightly bananas at the fact there's now a spike in 404 errors in its crawl results. What would be the best approach to get Google to 'forget' about the old schema, and instead index the new schema? Should I try blocking /index.php/ in robots.txt? Should I be returning 301 codes instead of 404 for the original urls?

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  • Telerik chart not loading correctly in new window (ajax issue?)

    - by Phillip Schmidt
    I have a page which contains user controls with Telerik Charts (grids also, but they work fine). From this page, the user can click on a button to be redirected to a "Printer-Friendly Version" type page, which opens a new window via javascript and goes through a slightly different view (for formatting and stuff), but the telerik code is all the same. The problem is, my Chart displays just fine in the original window, but the new window displays basically an empty chart with no data. This bug is only present in IE, and only applies to Charts. Grids work fine, for whatever reason. I'm thinking this is due to differences in script caching between browsers -- correct me if I'm wrong, I'm semi-new to client-directed web development. Anyway I read somewhere that Telerik has issues with loading data and/or js files when loaded via ajax, so maybe that's the problem? If so, how could I get around this? And if not, any ideas on what could be causing this issue? It's causing me a great deal of frustration, since a print preview page seems like it should be the easiest of jobs. Edit: The charts are being rendered as html (if somebody can explain how to render them as images, that would be awesome). And dev tools shows basically the same thing between chrome and IE. Whenever my web service goes back up ill WinMerge them and look for any peculiarities/differences between them. In the mean time, though, the "render as an image" concept sounds promising. That way I could just save the image from the first page, and insert it right into the print preview page, right?. And since it's a print-preview page, it's not going to need to be interactive or anything, so that'd work out nicely. Another (important) Edit: These are probably the culprit... And here is a little more detail on that: And here is a side-by-side of it working(in chrome) and not working (in IE):

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  • Can I use Eclipse JDT to create new 'working copies' of source files in memory only?

    - by RYates
    I'm using Eclipse JDT to build a Java refactoring platform, for exploring different refactorings in memory before choosing one and saving it. I can create collections of working copies of the source files, edit them in memory, and commit the changes to disk using the JDT framework. However, I also want to generate new 'working copy' source files in memory as part of refactorings, and only create the corresponding real source file if I commit the working copy. I have seen various hints that this is possible, e.g. http://www.jarvana.com/jarvana/view/org/eclipse/jdt/doc/isv/3.3.0-v20070613/isv-3.3.0-v20070613.jar!/guide/jdt%5Fapi%5Fmanip.htm says "Note that the compilation unit does not need to exist in the Java model in order for a working copy to be created". So far I have only been able to create a new real file, i.e. ICompilationUnit newICompilationUnit = myPackage.createCompilationUnit(newName, "package piffle; public class Baz{private int i=0;}", false, null); This is not what I want. Does anyone know how to create a new 'working copy' source file, that does not appear in my file system until I commit it? Or any other mechanism to achieve the same thing?

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  • Is it possible to De-Serialize a new Derived class using Old Binary?

    - by Anand
    In my project I have a class which I Serialize in Binary format to the disk. Due to some new requirement I need to create a new class which is derived from the original class. eg [Serializable] public class Sample { String someString; int someInt; public Sample() { } public Sample(String _someString, int _someInt) { this.someInt = _someInt; this.someString = _someString; } public String SomeString { get { return someString; } } public int SomeInt { get { return someInt; } } } [Serializable] public class DerivedSample : Sample { String someMoreString; int someMoreInt; public DerivedSample () : base() { } public DerivedSample (String _someString, int _someInt, String _someMoreString, int _someMoreInt) : base(_someString, _someInt) { this.someMoreString = _someMoreString; this.someMoreInt = _someMoreInt; } public String SomeMoreString { get { return someMoreString; } } public int SomeMoreInt { get { return someMoreInt; } } } When I try to De serialize an old file which contains only object of Sample it works fine, in the current assembly. That means backward compatibility is there. But when I try to deserialize the file which contains object of DerivedSample using the previous version of the assembly application crashes. Which means forward compatibilty needs to be taken care off... It it possible to say read only the base class part of the object from new version of the file?

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  • Android: New app not showing on a sprint phone...

    - by Allan
    I uploaded my app to the Android Market last week and people have been purchasing it with no problems. My carrier is T-Mobile. As soon as I uploaded my app to the Market I got on my phone (Nexus One), searched for it, and there it was - instantly! (Is that because I have a google phone?) My friends G1 found it instantly also. BUT, another friend has a Sprint Moment phone and when he tried to search for it - it just wasn't there - like it didn't exist. I then called T-Mobile and Sprint representatives and found some information that I didn't know. The Sprint dude said that Sprint goes to some sort of massive Android Market Database and that's how Sprint knows about new apps and is then able to list them. New apps are not instantly shown on Sprint phones, you have to wait till their database updates to Android's database. At least that is what I thought they were trying to say to me. Has anyone else come across this issue and/or does anyone know how long Sprint takes to update their database for new Android apps? Do other carriers follow these methods?

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  • Can a lambda can be used to change a List's values in-place ( without creating a new list)?

    - by Saint Hill
    I am trying to determine the correct way of transforming all the values in a List using the new lambdas feature in the upcoming release of Java 8 without creating a **new** List. This pertains to times when a List is passed in by a caller and needs to have a function applied to change all the contents to a new value. For example, the way Collections.sort(list) changes a list in-place. What is the easiest way given this transforming function and this starting list: String function(String s){ return [some change made to value of s]; } List<String> list = Arrays.asList("Bob", "Steve", "Jim", "Arbby"); The usual way of applying a change to all the values in-place was this: for (int i = 0; i < list.size(); i++) { list.set(i, function( list.get(i) ); } Does lambdas and Java 8 offer: an easier and more expressive way? a way to do this without setting up all the scaffolding of the for(..) loop?

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  • How do I remove an old JPanel and add a new one?

    - by Roman
    I would like to remove an old JPanel from the Window (JFrame) and add a new one. How should I do it? I tried the following: public static void showGUI() { JFrame frame = new JFrame("Colored Trails"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(partnerSelectionPanel); frame.setSize(600,400); frame.setVisible(true); } private static void updateGUI(final int i, final JLabel label, final JPanel partnerSelectionPanel) { SwingUtilities.invokeLater( new Runnable() { public void run() { label.setText(i + " seconds left."); } partnerSelectionPanel.setVisible(false); \\ <------------ } ); } So, my code update the "old" JPanel and them it makes the whole JPanel invisible. It was the idea. But it does not work. The compiler complains about the line indicated with "<------------". It writes: <identifier> expected, illegal start of type.

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  • Best way to import a pack or "system" of new classes??

    - by Joe Blow
    Here's an Advanced question for Advanced developers. So I've written a largish "subsystem". It is essentially a UIViewController called CleverViewController which is a UIViewController. Now, there are a large number of supporting classes (about ten) that do the hard work: perform math functions, image processing, purely logical functions, build images or what have you with thousands of lines of code. (To do this, I simply started a new XCode project / app "Scratchpad" which does little other than load and launch the CleverViewController. So currently it works as an app, which launches CleverViewController. The ten or so classes I mention that are part of the "subsystem" simply sit there in that project/app.) So now, we will use CleverViewController, the new technology generally, in various apps. (Or perhaps friends would want to use it, etc.) What's the best way to "do" this? Have I screwed everything up, and really it should just be ONE (pretty big) class rather than a dozen classes? (I could understand that then as I would simply add that new (big) class where needed, like adding any other class.) Do I have to make a "framework" like the Apple frameworks? (If so, what the hell are they, how do you do it, etc?!?) In fact, do you just have to lamely include all of the dozen classes and that's that (obviously perhaps putting them in a grouped subfolder). What about all the headers and so on? (Currently I just have the dozen includes in the pch file of the scratchpad project.) Shouldn't it be easy to "maintain" this "subsystem" separately and so on? I'm afraid I know nothing about this: if the answer is obvious, hit me over the head and let me know. Thank you for any info on this !

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  • How can I automate new system provisioning with scripts under Mac OS X 10.6?

    - by deeviate
    I've been working on this for days but simply cannot find the correct references to make it work. The idea is to have a script that will baseline newly purchased Macs that comes into the company with basic stuffs like set autologin to off, create a new admin user (for remote admins to access for support, set password to unlock screensaver and etc) . Sample list for baseline that admins have to do on each new machine: Click the Login Options button Set Automatic Login: OFF Check: Show the Restart, Sleep, and Shutdown buttons Uncheck: Show input menu in login window Uncheck: Show password hints Uncheck: Use voice over in the login window Check: Show fast user switching menu as Short Name (note: this is only part of a long list to do on each machine) I've managed to find some references to make some parts work. Like autologin can be unset with: defaults write /Library/Preferences/.GlobalPreferences com.apple.userspref.DisableAutoLogin -bool TRUE and I've kinda found ways to muscle in a new user creation (including prompts) with AppleScript and shell commands. But generally its tough finding ways to do somewhat simple things like turn on password to get out of screensaver or to allow fast user switching. References are either too limited or just no where to be seen (e.g. I can unset autologin via cli but the very next setting on the system preference "show restart, sleep and shutdown buttons" is somewhere else and I can't find any command line to make it set) Does anyone have any ideas on a list, document, reference or anything of where each setting on the system resides so that I can be pointed to make it work? or maybe sample scripts for the above example... My thanks for reading thus far—a huge thank you for whoever that has any info on the above.

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  • Objects leaking immediately from allocation using either new or [[Object alloc] init];

    - by Sam
    While running Instruments to find leaks in my code, after I've loaded a file and populate an NSMutableArray with new objects, leaks pop up! I am correctly releasing the objects. Sample code below: //NSMutableArray declared as a retained property in the parent class if(!mutableArray) mutableArray = [[NSMutableArray alloc] initWithCapacity:objectCount]; else [mutableArray removeAllObjects]; //Iterates through the read in data and populate the NSMutableArray for(int i = 0; i < objectCount; i++){ //Initializes a new object with data MyObject *object = [MyObject new]; //Adds the object to the mutableArray [mutableArray addObject:object]; //Releases the object [object release]; } I get a number of leaks from Instruments terminating at the addition of the 'object' into the 'mutableArray', but also including the allocation of the 'object' and the 'mutableArray'. I don't get it. Not to mention, this is happening on the first call of the enclosing method so the allocation of the NSMutableArray is being hit in the logic block, not the 'removeAllObjects' selector. Lastly, does Core Foundation have a major bug in it that randomly creates CFStrings and mismanages their memory? My code does not even use those, nor do the leaks where they occur have anything to do with my code. Almost all of my applications so far deal with OpenGL (in case anyone knows of a threading issue that arises from trying to synch the backend of the program with the front end of displaying the contents of an NSOpenGLView class or whatever it is).

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  • App using MonoTouch Core Graphics mysteriously crashes

    - by Stephen Ashley
    My app launches with a view controller and a simple view consisting of a button and a subview. When the user touches the button, the subview is populated with scrollviews that display the column headers, row headers, and cells of a spreadsheet. To draw the cells, I use CGBitmapContext to draw the cells, generate an image, and then put the image into the imageview contained in the scrollview that displays the cells. When I run the app on the iPad, it displays the cells just fine, and the scrollview lets the user scroll around in the spreadsheet without any problems. If the user touches the button a second time, the spreadsheet redraws and continues to work perfectly, If, however, the user touches the button a third time, the app crashes. There is no exception information display in the Application Output window. My first thought was that the successive button pushes were using up all the available memory, so I overrode the DidReceiveMemoryWarning method in the view controller and used a breakpoint to confirm that this method was not getting called. My next thought was that the CGBitmapContext was not getting released and looked for a Monotouch equivalent of Objective C's CGContextRelease() function. The closest I could find was the CGBitmapContext instance method Dispose(), which I called, without solving the problem. In order to free up as much memory as possible (in case I was somehow running out of memory without tripping a warning), I tried forcing garbage collection each time I finished using a CGBitmapContext. This made the problem worse. Now the program would crash moments after displaying the spreadsheet the first time. This caused me to wonder whether the Garbage Collector was somehow collecting something necessary to the continued display of graphics on the screen. I would be grateful for any suggestions on further avenues to investigate for the cause of these crashes. I have included the source code for the SpreadsheetView class. The relevant method is DrawSpreadsheet(), which is called when the button is touched. Thank you for your assistance on this matter. Stephen Ashley public class SpreadsheetView : UIView { public ISpreadsheetMessenger spreadsheetMessenger = null; public UIScrollView cellsScrollView = null; public UIImageView cellsImageView = null; public SpreadsheetView(RectangleF frame) : base() { Frame = frame; BackgroundColor = Constants.backgroundBlack; AutosizesSubviews = true; } public void DrawSpreadsheet() { UInt16 RowHeaderWidth = spreadsheetMessenger.RowHeaderWidth; UInt16 RowHeaderHeight = spreadsheetMessenger.RowHeaderHeight; UInt16 RowCount = spreadsheetMessenger.RowCount; UInt16 ColumnHeaderWidth = spreadsheetMessenger.ColumnHeaderWidth; UInt16 ColumnHeaderHeight = spreadsheetMessenger.ColumnHeaderHeight; UInt16 ColumnCount = spreadsheetMessenger.ColumnCount; // Add the corner UIImageView cornerView = new UIImageView(new RectangleF(0f, 0f, RowHeaderWidth, ColumnHeaderHeight)); cornerView.BackgroundColor = Constants.headingColor; CGColorSpace cornerColorSpace = null; CGBitmapContext cornerContext = null; IntPtr buffer = Marshal.AllocHGlobal(RowHeaderWidth * ColumnHeaderHeight * 4); if (buffer == IntPtr.Zero) throw new OutOfMemoryException("Out of memory."); try { cornerColorSpace = CGColorSpace.CreateDeviceRGB(); cornerContext = new CGBitmapContext (buffer, RowHeaderWidth, ColumnHeaderHeight, 8, 4 * RowHeaderWidth, cornerColorSpace, CGImageAlphaInfo.PremultipliedFirst); cornerContext.SetFillColorWithColor(Constants.headingColor.CGColor); cornerContext.FillRect(new RectangleF(0f, 0f, RowHeaderWidth, ColumnHeaderHeight)); cornerView.Image = UIImage.FromImage(cornerContext.ToImage()); } finally { Marshal.FreeHGlobal(buffer); if (cornerContext != null) { cornerContext.Dispose(); cornerContext = null; } if (cornerColorSpace != null) { cornerColorSpace.Dispose(); cornerColorSpace = null; } } cornerView.Image = DrawBottomRightCorner(cornerView.Image); AddSubview(cornerView); // Add the cellsScrollView cellsScrollView = new UIScrollView (new RectangleF(RowHeaderWidth, ColumnHeaderHeight, Frame.Width - RowHeaderWidth, Frame.Height - ColumnHeaderHeight)); cellsScrollView.ContentSize = new SizeF (ColumnCount * ColumnHeaderWidth, RowCount * RowHeaderHeight); Size iContentSize = new Size((int)cellsScrollView.ContentSize.Width, (int)cellsScrollView.ContentSize.Height); cellsScrollView.BackgroundColor = UIColor.Black; AddSubview(cellsScrollView); CGColorSpace colorSpace = null; CGBitmapContext context = null; CGGradient gradient = null; UIImage image = null; int bytesPerRow = 4 * iContentSize.Width; int byteCount = bytesPerRow * iContentSize.Height; buffer = Marshal.AllocHGlobal(byteCount); if (buffer == IntPtr.Zero) throw new OutOfMemoryException("Out of memory."); try { colorSpace = CGColorSpace.CreateDeviceRGB(); context = new CGBitmapContext (buffer, iContentSize.Width, iContentSize.Height, 8, 4 * iContentSize.Width, colorSpace, CGImageAlphaInfo.PremultipliedFirst); float[] components = new float[] {.75f, .75f, .75f, 1f, .25f, .25f, .25f, 1f}; float[] locations = new float[]{0f, 1f}; gradient = new CGGradient(colorSpace, components, locations); PointF startPoint = new PointF(0f, (float)iContentSize.Height); PointF endPoint = new PointF((float)iContentSize.Width, 0f); context.DrawLinearGradient(gradient, startPoint, endPoint, 0); context.SetLineWidth(Constants.lineWidth); context.BeginPath(); for (UInt16 i = 1; i <= RowCount; i++) { context.MoveTo (0f, iContentSize.Height - i * RowHeaderHeight + (Constants.lineWidth/2)); context.AddLineToPoint((float)iContentSize.Width, iContentSize.Height - i * RowHeaderHeight + (Constants.lineWidth/2)); } for (UInt16 j = 1; j <= ColumnCount; j++) { context.MoveTo((float)j * ColumnHeaderWidth - Constants.lineWidth/2, (float)iContentSize.Height); context.AddLineToPoint((float)j * ColumnHeaderWidth - Constants.lineWidth/2, 0f); } context.StrokePath(); image = UIImage.FromImage(context.ToImage()); } finally { Marshal.FreeHGlobal(buffer); if (gradient != null) { gradient.Dispose(); gradient = null; } if (context != null) { context.Dispose(); context = null; } if (colorSpace != null) { colorSpace.Dispose(); colorSpace = null; } // GC.Collect(); //GC.WaitForPendingFinalizers(); } UIImage finalImage = ActivateCell(1, 1, image); finalImage = ActivateCell(0, 0, finalImage); cellsImageView = new UIImageView(finalImage); cellsImageView.Frame = new RectangleF(0f, 0f, iContentSize.Width, iContentSize.Height); cellsScrollView.AddSubview(cellsImageView); } private UIImage ActivateCell(UInt16 column, UInt16 row, UIImage backgroundImage) { UInt16 ColumnHeaderWidth = (UInt16)spreadsheetMessenger.ColumnHeaderWidth; UInt16 RowHeaderHeight = (UInt16)spreadsheetMessenger.RowHeaderHeight; CGColorSpace cellColorSpace = null; CGBitmapContext cellContext = null; UIImage cellImage = null; IntPtr buffer = Marshal.AllocHGlobal(4 * ColumnHeaderWidth * RowHeaderHeight); if (buffer == IntPtr.Zero) throw new OutOfMemoryException("Out of memory: ActivateCell()"); try { cellColorSpace = CGColorSpace.CreateDeviceRGB(); // Create a bitmap the size of a cell cellContext = new CGBitmapContext (buffer, ColumnHeaderWidth, RowHeaderHeight, 8, 4 * ColumnHeaderWidth, cellColorSpace, CGImageAlphaInfo.PremultipliedFirst); // Paint it white cellContext.SetFillColorWithColor(UIColor.White.CGColor); cellContext.FillRect(new RectangleF(0f, 0f, ColumnHeaderWidth, RowHeaderHeight)); // Convert it to an image cellImage = UIImage.FromImage(cellContext.ToImage()); } finally { Marshal.FreeHGlobal(buffer); if (cellContext != null) { cellContext.Dispose(); cellContext = null; } if (cellColorSpace != null) { cellColorSpace.Dispose(); cellColorSpace = null; } // GC.Collect(); //GC.WaitForPendingFinalizers(); } // Draw the border on the cell image cellImage = DrawBottomRightCorner(cellImage); CGColorSpace colorSpace = null; CGBitmapContext context = null; Size iContentSize = new Size((int)backgroundImage.Size.Width, (int)backgroundImage.Size.Height); buffer = Marshal.AllocHGlobal(4 * iContentSize.Width * iContentSize.Height); if (buffer == IntPtr.Zero) throw new OutOfMemoryException("Out of memory: ActivateCell()."); try { colorSpace = CGColorSpace.CreateDeviceRGB(); // Set up a bitmap context the size of the whole grid context = new CGBitmapContext (buffer, iContentSize.Width, iContentSize.Height, 8, 4 * iContentSize.Width, colorSpace, CGImageAlphaInfo.PremultipliedFirst); // Draw the original grid into the bitmap context.DrawImage(new RectangleF(0f, 0f, iContentSize.Width, iContentSize.Height), backgroundImage.CGImage); // Draw the cell image into the bitmap context.DrawImage(new RectangleF(column * ColumnHeaderWidth, iContentSize.Height - (row + 1) * RowHeaderHeight, ColumnHeaderWidth, RowHeaderHeight), cellImage.CGImage); // Convert the bitmap back to an image backgroundImage = UIImage.FromImage(context.ToImage()); } finally { Marshal.FreeHGlobal(buffer); if (context != null) { context.Dispose(); context = null; } if (colorSpace != null) { colorSpace.Dispose(); colorSpace = null; } // GC.Collect(); //GC.WaitForPendingFinalizers(); } return backgroundImage; } private UIImage DrawBottomRightCorner(UIImage image) { int width = (int)image.Size.Width; int height = (int)image.Size.Height; float lineWidth = Constants.lineWidth; CGColorSpace colorSpace = null; CGBitmapContext context = null; UIImage returnImage = null; IntPtr buffer = Marshal.AllocHGlobal(4 * width * height); if (buffer == IntPtr.Zero) throw new OutOfMemoryException("Out of memory: DrawBottomRightCorner()."); try { colorSpace = CGColorSpace.CreateDeviceRGB(); context = new CGBitmapContext (buffer, width, height, 8, 4 * width, colorSpace, CGImageAlphaInfo.PremultipliedFirst); context.DrawImage(new RectangleF(0f, 0f, width, height), image.CGImage); context.BeginPath(); context.MoveTo(0f, (int)(lineWidth/2f)); context.AddLineToPoint(width - (int)(lineWidth/2f), (int)(lineWidth/2f)); context.AddLineToPoint(width - (int)(lineWidth/2f), height); context.SetLineWidth(Constants.lineWidth); context.SetStrokeColorWithColor(UIColor.Black.CGColor); context.StrokePath(); returnImage = UIImage.FromImage(context.ToImage()); } finally { Marshal.FreeHGlobal(buffer); if (context != null){ context.Dispose(); context = null;} if (colorSpace != null){ colorSpace.Dispose(); colorSpace = null;} // GC.Collect(); //GC.WaitForPendingFinalizers(); } return returnImage; } }

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  • How to open new view (call an activity) from options menu defined in XML? (android)

    - by Portablejim
    I cant seem to open a new view from an options menu item. The program keeps crashing as it applies the intent and listener to the item. I am just beginning, so please be nice. The current view is mnfsms, and the view I am trying to open is mnfsms_settings. I am developing for 1.5. Could someone please help me get the menu working. The menu (called options_menu.xml): <menu xmlns:android="http://schemas.android.com/apk/res/android"> <item android:id="@+id/settings_button" android:title="Settings" android:icon="@android:drawable/ic_menu_preferences" /> <item android:id="@+id/about_button" android:title="About" android:icon="@android:drawable/ic_menu_myplaces" /> </menu> The main view (called mnfsms.java): package com.example.mnfsms; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; public class mnfsms extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); /* OnClickListener myocl = new View.OnClickListener() { public void onClick(View v){ Intent myi = new Intent(mnfsms.this, mnfsms_settings.class); startActivity(myi); } };*/ } public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.options_menu, menu); MenuItem mi_settings = (MenuItem)findViewById(R.id.settings_button); mi_settings.setIntent(new Intent(this, mnfsms_settings.class)); return true; } } The manifest: <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.mnfsms" android:versionCode="1" android:versionName="1.0"> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".mnfsms" android:label="@string/main_window_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".mnfsms_settings" android:label="string/main_window_name"> </activity> </application> <uses-sdk android:minSdkVersion="3" /> </manifest> The stacktrace: 01-06 15:07:58.045: ERROR/AndroidRuntime(2123): Uncaught handler: thread main exiting due to uncaught exception 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): java.lang.NullPointerException 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at com.example.mnfsms.mnfsms.onCreateOptionsMenu(mnfsms.java:30) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at android.app.Activity.onCreatePanelMenu(Activity.java:2038) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at com.android.internal.policy.impl.PhoneWindow.preparePanel(PhoneWindow.java:421) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at com.android.internal.policy.impl.PhoneWindow.onKeyDownPanel(PhoneWindow.java:664) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at com.android.internal.policy.impl.PhoneWindow.onKeyDown(PhoneWindow.java:1278) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchKeyEvent(PhoneWindow.java:1735) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at android.view.ViewRoot.deliverKeyEventToViewHierarchy(ViewRoot.java:2188) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at android.view.ViewRoot.handleFinishedEvent(ViewRoot.java:2158) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at android.view.ViewRoot.handleMessage(ViewRoot.java:1490) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at android.os.Handler.dispatchMessage(Handler.java:99) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at android.os.Looper.loop(Looper.java:123) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at android.app.ActivityThread.main(ActivityThread.java:3948) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at java.lang.reflect.Method.invokeNative(Native Method) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at java.lang.reflect.Method.invoke(Method.java:521) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at dalvik.system.NativeStart.main(Native Method)

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  • Need help in creating test appliaction in Java and passing parameters into a new designed Java API.

    - by Christophe
    Need help, Please!!! By following the protocol, the Request should be built in 5 byte length, including 1 byte for changing Braud rate (Speed), and send request to a RS-232 port. Protocol: --------------- Request for the command processing, with optional extra byte for changing Baud Rate: LGT : length message ( LGT = 5 ) TYPE : 0x06 TO(time out): 0x0000 CMD : (1 byte) 0x02 application update Baud Rate : (1 byte) 0xNN (optional parameter to change baud rate of the Mnt App) where NN can be: 0x00 = No Baud Rate Change (similar to 4-byte command above) 0x09 = Change to 9600 Baud for Application Update speed 0x0A = Change to 19200 Baud for Application Update speed 0x0E = Change to 115200 Baud for Application Update speed All other bytes are not accepted and will result in a status of 0x01. ------------------ I'm trying to test if my code works or not by creating another class (TestApplication.java) and pass the "3 differenr Baut rate" to this CPXAppliaction. the 3 Baud Rate is supposed to input by reading a file.txt. Question: How do you think these code (first half)? please don't warry about the details about the "sending part". I mean, do I need setter/getter for the "speed" parameter pass? I created the demo test class DemoApp.java (input speed by reading a txt file, and pass into CPXAppliaction). how do you think about that code? Many thanks to you guys!! public class CPXApplication extends CPXCommand { private int speed; . public CPXApplication() { speed = 9600; } public CPXApplication(int speedinit) { speed = speedinit; // TODO: where to get the speed? } protected void buildRequest() throws ElitePortException { String trans = ""; // build the full-qualified message following the protocol trans = addToRequest(trans, (char) 0); trans = addToRequest(trans, (char) 5); trans = addToRequest(trans, (char) 6); trans = addToRequest(trans, (char) 0); trans = addToRequest(trans, (char) 0); trans = addToRequest(trans, (char) 2); switch (speed) { case 9600: trans = addToRequest(trans, (char) 0x09); break; case 19200: trans = addToRequest(trans, (char) 0x0A); break; case 115200: trans = addToRequest(trans, (char) 0x0E); break; default: // TODO: unexpected baud rate. throw(); break; } trans = EncryptBinary(trans); trans = "F0." + trans; wrapRequest(trans); } protected String addToRequest(String req, char c) { return req + c; } protected String addToRequest(String req, String s) { return req + s; } protected String addToRequest(String req) { return req; } public void analyzeResponse() { //.............. } } Here is the demo test code: package com.ingenico.testApp; import com.ingenico.EliteFd.; import java.util.Scanner; import java.io.; class Run { public static void run() { CPXAppliactionUpdate input = new CpXApplicationUpdate(); int lineno = 0; try { FileReader fr = new FileReader("baudRateSpeed.txt"); BufferedReader reader = new BufferedReader(fr); String line = reader.readLine(); Scanner scan = null; while (line != null) { scan = new Scanner(line); String speed; speed = scan.next(); if (lineno == 0) { input.speed = speed; lineno++; } else { input = cpxapplicationupdate(speed, input); } line = reader.readLine(); } reader.close(); } catch (FileNotFoundException e) { System.out.println("Could not find the file"); } catch (IOException e) { System.out.println("Had a problem reading from file"); } } public class DemoApp{ public void main(String args[]) { run(); } } }

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  • Need help in creating test application in Java and passing parameters into a new designed Java API.

    - by Christophe
    Need help, Please!!! By following the protocol, the Request should be built in 5 byte length, including 1 byte for changing Braud rate (Speed), and send request to a RS-232 port. Protocol: Request for the command processing, with optional extra byte for changing Baud Rate: LGT : length message ( LGT = 5 ) TYPE : 0x06 TO(time out): 0x0000 CMD : (1 byte) 0x02 application update Baud Rate : (1 byte) 0xNN (optional parameter to change baud rate of the Mnt App) where NN can be: 0x00 = No Baud Rate Change (similar to 4-byte command above) 0x09 = Change to 9600 Baud for Application Update speed 0x0A = Change to 19200 Baud for Application Update speed 0x0E = Change to 115200 Baud for Application Update speed All other bytes are not accepted and will result in a status of 0x01. I'm trying to test if my code works or not by creating another class (TestApplication.java) and pass the "3 differenr Baut rate" to this CPXAppliaction. the 3 Baud Rate is supposed to input by reading a file.txt. Question: How do you think these code (first half)? please don't warry about the details about the "sending part". I mean, do I need setter/getter for the "speed" parameter pass? I created the demo test class DemoApp.java (input speed by reading a txt file, and pass into CPXAppliaction). how do you think about that code? Many thanks to you guys!! public class CPXApplication extends CPXCommand { private int speed; . public CPXApplication() { speed = 9600; } public CPXApplication(int speedinit) { speed = speedinit; // TODO: where to get the speed? } protected void buildRequest() throws ElitePortException { String trans = ""; // build the full-qualified message following the protocol trans = addToRequest(trans, (char) 0); trans = addToRequest(trans, (char) 5); trans = addToRequest(trans, (char) 6); trans = addToRequest(trans, (char) 0); trans = addToRequest(trans, (char) 0); trans = addToRequest(trans, (char) 2); switch (speed) { case 9600: trans = addToRequest(trans, (char) 0x09); break; case 19200: trans = addToRequest(trans, (char) 0x0A); break; case 115200: trans = addToRequest(trans, (char) 0x0E); break; default: // TODO: unexpected baud rate. throw(); break; } trans = EncryptBinary(trans); trans = "F0." + trans; wrapRequest(trans); } protected String addToRequest(String req, char c) { return req + c; } protected String addToRequest(String req, String s) { return req + s; } protected String addToRequest(String req) { return req; } public void analyzeResponse() { //.............. } } Here is the demo test code: class Run { public static void run() { CPXAppliaction input = new CpXApplication(); int lineno = 0; try { FileReader fr = new FileReader("baudRateSpeed.txt"); BufferedReader reader = new BufferedReader(fr); String line = reader.readLine(); Scanner scan = null; while (line != null) { scan = new Scanner(line); String speed; speed = scan.next(); if (lineno == 0) { input.speed = speed; lineno++; } else { input = cpxapplication(speed, input); } line = reader.readLine(); } reader.close(); } catch (FileNotFoundException e) { System.out.println("Could not find the file"); } catch (IOException e) { System.out.println("Had a problem reading from file"); } } } public class DemoApp{ public void main(String args[]) { run(); }

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  • New 3TB HDD, can see full 2.7TB in Linux and Windows, but shows up as 801.6GB in BIOS

    - by Ben Lee
    I recently purchased a Seagate Barracuda 3TB drive (ST3000DM001). After installing it, my BIOS recognized it but reported the size as 801.6gb. I went ahead and booted into Linux anyway (Ubuntu 11.10 64-bit). Linux saw it as a 2.7TB. Following some online instructions (don't have the link handy, unfortunately), it looks liked converting this drive to GPT was recommended. So I used gparted to do that, then formatted it to NTFS also using gparted. (I'm using NTFS because my machine is daul-boot and I want to have access to the drive in Windows too). I rebooted to Windows (Windows 7 64-bit), and Windows also sees the drive with 2.7TB free. Everything seems to be working fine. The only issue is that my BIOS is still reporting the drive as 801.6GB. My motherboard is an ASRock 770 Extreme3 and BIOS is the latest version. Since everything seems to be working with the new drive anyway, I'm hoping that the fact that the BIOS is reporting the wrong size is not an actual problem. But honestly, I don't really know. Anyone out there more familiar with this know if this could potentially cause any problems in the future? Any way to get the BIOS to report the correct size?

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  • Workstations cannot see new MS Server 2008 domain, but can access DHCP.

    - by Radix
    The XP Pro workstations do not see the new replacement domain upon boot; they only see their cached entry for the old (server 2003) domain controller. The old_server is not connected to the network. I have DHCP working with the same scope as the old_server. In my "before-asking" search for a solution I came across the following two articles, and I recall doing things as suggested by the articles. http://www.windowsreference.com/windows-server-2008/how-to-setup-dhcp-server-in-windows-server-2008-step-by-step-guide/ http://www.windowsreference.com/windows-server-2008/step-by-step-guide-for-windows-server-2008-domain-controller-and-dns-server-setup/ The only possible issue is: I was under the impression that the domain netbios needed to match the DC's netbios. The DC netbios is city01 while the domain's FQDN is city.domain.org (I think this is mistaken and should have been just domain.org) But, the second link led me to a post which I believe answers my question. I did as they instructed by opening Local Area Connection Properties, then selecting TCP/IPv4 and setting the sole preferred DNS server to the local hosts static IP (10.10.1.1). Search for "Your problems should clear up" for the post I'm referencing: http://forums.techarena.in/active-directory/1032797.htm Have I misunderstood their instructions? I am hoping to reach the point where I can define users and user groups. Also, does TechNet have a single theoretical overview document I could read. I really don't like treating comps as magic. I will be watching this closely and will quickly answer any questions. If I've left anything out it is because I did not know it was needed. PS: I am loath to ask obviously basic questions, but I am tired and wish to fix this before tomorrow. Also, this is my first server installation, thank you for your help.

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  • How do I configure a new (non-OS) raid device under Windows 7?

    - by GregH
    I recently installed 3 new 1TB drives in my Windows 7 (64 bit) system. These are in addition to the 10k rpm disk that I already have running the Windows 7 OS. My intent is to create a RAID 5 volume with the 3 disks. I don't seem to have a problem configuring the bios and creating the resulting 1.9 TB RAID volume. I run in to the problem when I try booting in to Windows. I get a quick flash of a blue screen and then am prompted by windows to do a repair. It tries to repair and then reboots. This sequence lasts indefinitely. If I re-configure the bios back to non-RAID (ACHI) then windows boots fine. The strange thing is that the 1.9 TB volume I configured through the bios actually shows up in windows! Strange since the motherboard is not set up with RAID. I assume that I somehow have to install the RAID drivers from the mobo manufacturer. How do I do this? Is the reason I'm getting the blue screen a result of not having the RAID drivers installed? It's strange because I can find plenty of documentation on how to set up RAID and do a fresh install Windows on to the RAID device, but nothing on how to set up a RAID device on an already running system. Advice is appreciated.

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  • How to get a new-pssession in PowerShell to talk to my ICS-connected laptop for Remoting

    - by Scott Bilas
    If I have my laptop on the LAN, then Powershell remoting works fine from my workstation to the laptop. However, the LAN is wireless, and so sometimes I will connect on a wire to my workstation. It has two ethernet ports so I have the secondary wired up to share to the laptop using Win7's Internet Connection Sharing. (Btw I know that avoiding ICS would solve the problem, but that's not an option right now.) So my question is: what magic registry bits or command line options do I need to flip to get remoting to work to my laptop through ICS? Here's what happens when I try it: new-pssession -computername 192.168.137.161 [192.168.137.161] Connecting to remote server failed with the following error message : The WinRM client cannot process the request. Default authentication may be used with an IP address under the following conditions: the transport is HTTPS or the destination is in the TrustedHosts list, and explicit credentials are provided. Use winrm.cmd to configure TrustedHosts. Note that computers in the TrustedHosts list might not be authenticated. For more information on how to set TrustedHosts run the following command: winrm help config. For more information, see the about_Remote_Troubleshooting Help topic. + CategoryInfo : OpenError: (System.Manageme....RemoteRunspace:RemoteRunspace) [], PSRemotingTransportException + FullyQualifiedErrorId : PSSessionOpenFailed I'm having a hard time understanding the documentation for PowerShell and WinRM. I've tried messing with allowing ports in the firewall and setting TrustedHosts to * on my workstation (don't think this is a good idea on the laptop). I have no idea where to go from here, would appreciate any help.

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  • added ip-based virtual host to sites-available and created symlink to sites-enabled...but new domain

    - by lililili
    I added ip-based virtual host to sites-availble and created symlink to sites-enabled, but new domain times out. When i navigate to mynewdomain.com it says connection timed out. NameVirtualHost 12.12.12.12 <VirtualHost 12.12.12.12> ServerAdmin webmaster@localhost ServerName newdomain.com DocumentRoot /var/www/newdomain.com <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> ErrorLog /var/log/apache2/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/access.log combined ServerSignature On Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> </VirtualHost>

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  • Workstations cannot see new MS Server 2008 domain, but can access DHCP. (solved)

    - by Radix
    The XP Pro workstations do not see the new replacement domain upon boot; they only see their cached entry for the old (server 2003) domain controller. The old_server is not connected to the network. I have DHCP working with the same scope as the old_server. In my "before-asking" search for a solution I came across the following two articles, and I recall doing things as suggested by the articles. http://www.windowsreference.com/windows-server-2008/how-to-setup-dhcp-server-in-windows-server-2008-step-by-step-guide/ http://www.windowsreference.com/windows-server-2008/step-by-step-guide-for-windows-server-2008-domain-controller-and-dns-server-setup/ The only possible issue is: I was under the impression that the domain netbios needed to match the DC's netbios. The DC netbios is city01 while the domain's FQDN is city.domain.org (I think this is mistaken and should have been just domain.org) But, the second link led me to a post which I believe answers my question. I did as they instructed by opening Local Area Connection Properties, then selecting TCP/IPv4 and setting the sole preferred DNS server to the local hosts static IP (10.10.1.1). Search for "Your problems should clear up" for the post I'm referencing: http://forums.techarena.in/active-directory/1032797.htm Have I misunderstood their instructions? I am hoping to reach the point where I can define users and user groups. Also, does TechNet have a single theoretical overview document I could read. I really don't like treating comps as magic. I will be watching this closely and will quickly answer any questions. If I've left anything out it is because I did not know it was needed. PS: I am loath to ask obviously basic questions, but I am tired and wish to fix this before tomorrow. Also, this is my first server installation, thank you for your help.

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  • How do I migrate Exchange 2007 to new hardware?

    - by Graeme Donaldson
    As per my previous question, I have an Exchange 2007 box which is also a DC. Since I can't demote it while Exchange is installed, I want to move Exchange to a different server. Does anyone have any articles, tips or experiences to share on this? The last time I did this it was with Exchange 2003 and even that is a little rusty in my head. The setup is a single Exchange 2007 Hub/Edge/Mailbox/CAS server. Its currently on Windows Server 2008, I can migrate it to the same OS, or I can go to 2008 R2, I'm not really picky on that. We're running OWA/ActiveSync/POP3(S)/IMAP(S) for client access. I already have another fully functional DC/GC/DNS box in the same site and clients in the site are already using that for DNS. It's also the preferred site bridgehead for AD replication. Update: After reading Evan's answer I realised that my original question wasn't worded correctly. I'm not looking to do a swing migration, I actually need to move Exchange completely over to a new box. I have done swing migrations in the past, i.e. moving over to a temporary box and back to the original hardware afterwards, and I'm not really sure why I used that term in the original question since it's not what I intended. Any tips?

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  • nginx: how do I add new site/server_name in nginx?

    - by Neo
    I'm just starting to explore Nginx on my Ubuntu 10.04. I installed Nginx and I'm able to get the "Welcome to Nginx" page on localhost. However I'm not able to add a new server_name, even when I make the changes in site-available/default file. Tried reloading/restarting Nginx, but nothing works. One interesting observation. "http://mycomputername" in browser works. So somehow there is a command like 'server_name $hostname' somewhere over-riding my rule. File: sites-available/mine.enpass server { listen 80; server_name mine.enpass ; access_log /var/log/nginx/localhost.access.log; location / { root /var/www/nginx-default; index index.html index.htm; } } File: nginx.confg user www-data; worker_processes 1; error_log /var/log/nginx/error.log; pid /var/run/nginx.pid; events { worker_connections 1024; # multi_accept on; } http { include /etc/nginx/mime.types; access_log /var/log/nginx/access.log; sendfile on; #tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; tcp_nodelay on; gzip on; gzip_comp_level 2; gzip_proxied any; gzip_types text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript; gzip_disable "MSIE [1-6]\.(?!.*SV1)"; include /etc/nginx/conf.d/*.conf; include /etc/nginx/sites-enabled/*; }

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