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• Monotouch or Titanium for rapid application development on IPhone?

  - by Ronnie

  As a .Net developer I always dreamed for the possibility to develop with my existing skills (c#) applications for the Iphone. Both programs require a Mac and the Iphone Sdk installed. Appcelerator Titanium was the first app I tried and it is based on exposing some Iphone native api to javascript so that they can be called using that language. Monotouch starts at $399 for beeing able to deploy on the Iphone and not on the Iphone simulator while Titanium is free. Monotouch (Monodevelop) has an Ide that is currently missing in Titanium (but you can use any editor like Textmate, Aptana...) I think both program generate at the end a native precompiled app (also if I am not sure about the size of the final app on the Iphone as I think the .Net framework calls are prelilnked at compilation time in Monotouch). I am also not sure about the full coverage of all the Iphone api and features. Titanium has also the advantage to enable Android app development but as a c# developer I still find Monotouch experience more like the Visual Studio one. Witch one would you choose and what are your experiences on Monotouch and Titanium?

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• Apache local configuration to resolve files correctly

  - by Alex E.

  Hello, I am new at this so bare with me. I have just configured Apache and PHP to work on my local Mac OS X computer. Now PHP works fine, except when I try to load the files for my live sites. The live sites have separate directories and are sorted by client name etc. I've created symlinks in the default root for the local web server documents. My issue is that Apache doesn't seem to want to load any of the relative paths that are found in the HTML pages. For example, I have src="/css/main.css" but Apache doesn't load the file, similarly for images, it just resolves as a file not found 404 error. I then thought it might be the symlinks so I copied the full directory into the Apache document root, and still had the same result. I would really love to setup my local development environment to run Apache, PHP, MySQL to develop locally then publish when ready. I also tried the MAMP installation, and had the same issues. Any help at all in this would be greatly appreciated. If my explanation wasn't clear please let me know. Thanks! Alex.

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• dynamically horizontal scalable key value store

  - by Zubair

  Hi, Is there a key value store that will give me the following: Allow me to simply add and remove nodes and will redstribute the data automatically Allow me to remove nodes and still have 2 extra data nodes to provide redundancy Allow me to store text or images up to 1GB in size Can store small size data up to 100TB of data Fast (so will allow queries to be performed on top of it) Make all this transparent to the client Works on Ubuntu/FreeBSD or Mac Free or open source I basically want something I can use a "single", and not have to worry about having memcached, a db, and several storage components so yes, I do want a database "silver bullet" you could say. Thanks Zubair Answers so far: MogileFS on top of BackBlaze - As far as I can see this is just a filesystem, and after some research it only seems to be appropriate for large image files Tokyo Tyrant - Needs lightcloud. This doesn't auto scale as you add new nodes. I did look into this and it seems it is very fast for queries which fit onto a single node though Riak - This is one I am looking into myself, but I don't have any results yet Amazon S3 - Is anyone using this as their sole persistance layer in production? From what I have seen it seems to be used for storage of images as complex queries are too expensive @shaman suggested Cassandra - definitely one I am looking into So far it seems that there is no database or key value store that fulfills the criteria I mentioned, not even after offering a bounty of 100 points did the question get answered!

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• When sending headers to download a PDF, Safari appends .html

  - by alex

  Here is the request and response headers http://www.example.com/get/pdf GET /~get/pdf HTTP/1.1 Host: www.example.com User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-us,en;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive: 115 Connection: keep-alive Referer: http://www.example.com Cookie: etc HTTP/1.1 200 OK Date: Thu, 29 Apr 2010 02:20:43 GMT Server: Apache/2.2.14 (Unix) mod_ssl/2.2.14 OpenSSL/0.9.8i DAV/2 mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 X-Powered-By: Me Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Cache-Control: private Content-Disposition: attachment; filename="File #1.pdf" Content-Length: 18776 Keep-Alive: timeout=5, max=100 Connection: Keep-Alive Content-Type: text/html; charset=utf-8 ---------------------------------------------------------- Basically, the response headers are sent by DOMPDF's stream() method. In Firefox, the file is prompted as File #1.pdf. However, in Safari, the file is saved as File #1.pdf.html. Does anyone know why Safari is appending the html extension to the filename?

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• Android App Build system differences between Eclipse and Ant?

  - by Amy Winarske

  The Eclipse build for my 1.6 application project is succeeding and the Ant build is failing. I'm looking for help on why they aren't behaving the same way. We are developing on Mac OSX 10.5.8 with Eclipse 3.5 against SDK 1.6 + Google APIs. There are no setting changes in Eclipse, either at workspace or project level. Similarly, our ant is also a vanilla- flavored unmodified installation of 1.7.1. JDK is 1.5.0_22. The CLASSPATH environment variable is not set. JAVA_HOME is /Library/Java/ Home The application was initially created by a team member using the Eclipse plugins. The application references two jar files, one of which has a dependency on javax.xml.bind.annotation.XmlSeeAlso, which is not defined anywhere in our code or in android.jar. The other jar file has an explicit dependency on android.jar. I generated the Ant build file using android update. The Eclipse project builds an apk and runs the application in the emulator. I think this is incorrect behavior. The Android ant project fails to build. I think this is correct behavior. MyClass.java:98: cannot access javax.xml.bind.annotation.XmlSeeAlso [javac] file javax/xml/bind/annotation/XmlSeeAlso.class not found Any ideas as to why the two build methods are behaving differently? I would expect them both to fail. Thanks! -Amy

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• Question on MacPorts comment: "manually remove the catalog entry for this port when you uninstall it

  I was recently installing Inkscape with MacPorts through a Mac OSX Leopard Terminal using "sudo port install inkscape" And during the search-and-download for dependencies, many of these type of comments were printed: ###################################################################### # As MacPorts does not currently have a post-deactivate hook, # you will need to ensure that you manually remove the catalog # entry for this port when you uninstall it. To do so, run # "xmlcatmgr remove nextCatalog /opt/local/share/xsl/docbook-xsl/catalog.xml". ###################################################################### Can anyone tell me what this message means? I do not understand what "it" refers to in the phrase 'ensure that you manually remove the catalog entry for this port when you uninstall it'. Does 'it' refer to a 'this port'? How is a port uninstalled? Mostly: When will I have to manually remove the catalog entry using the provided command? Also, what is a catalog entry? is that what appears when I type "sudo port search inkscape" ? I am kind of a MacPorts install n00b. Thanks very much for your time.

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• sh: dot: command not found + doxygen + Lion

  - by Salil

  MacOS version : 10.7.2 ( lion ) Doxygen version : 1.7.5.1 Graphviz version : 2.29 Doxygen configuration - DOT_PATH = ../../../../Applications/Contents/MacOS/Graphviz HAVE_DOT = YES SHORT_NAMES = YES From the log console - First line it gives a warning - warning: the dot tool could not be found at ../../../../Applications/Contents/MacOS/Graphviz - I have tried various combinations but the warning does not go , although it generates the images. Generating dot graphs using 9 parallel threads... Running dot for graph 1/68 sh: dot: command not found Problems running dot: exit code=127, command='dot', arguments='"/Users/salilk/Documents/project/DoxygenDocs/html/a00033.dot" -Tpng -o "/Users/salilk/Documents/project/DoxygenDocs/html/a00033.png"' In the html directory the .dot files have been generated but no .png. Now if I execute the same command from the Terminal the .png file gets generated and is displayed in its .html file. Another error from the console is - error: problems opening map file /Users/salilk/Documents/A2O Collaborate/DoxygenDocs/html/a00032.map for inclusion in the docs! If you installed Graphviz/dot after a previous failing run, try deleting the output directory and rerun doxygen. - Is this related to the above problem ? I have used Doxygen before on a Windows machine and didn't have these errors , do we need to do any configurations specific for Mac ? - Salil.

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• SWT: problems with clicking button after using setEnabled() on Linux

  - by Laimoncijus

  Hi, I have a strange case with SWT and Button after using setEnabled() - seems if I disable and enable button at least once - I cannot properly click with mouse on it anymore... Already minify code to very basic: import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; public class TestButton { public TestButton() { Display display = new Display(); Shell shell = new Shell(display); GridLayout mainLayout = new GridLayout(); shell.setLayout(mainLayout); shell.setSize(100, 100); Button testButton = new Button(shell, SWT.PUSH); testButton.addSelectionListener(new TestClickListener()); testButton.setText("Click me!"); //testButton.setEnabled(false); //testButton.setEnabled(true); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } display.dispose(); } class TestClickListener implements SelectionListener { @Override public void widgetDefaultSelected(SelectionEvent e) { } @Override public void widgetSelected(SelectionEvent e) { System.out.println("Click!"); } } public static void main(String[] args) { new TestButton(); } } When I keep these 2 lines commented out - I can properly click on a button and always get "Click!" logged, but if I uncomment them - then I can't click on button properly with mouse anymore - button visually seems to be clicked, but nothing is logged... Am I doing something wrong here? Or maybe it's some kind of bug on Linux platform? Because on Mac running the same code I never experienced such problems... Thanks for any hint! P.S. Running code on Ubuntu 9.10, Gnome + Compiz, Sun Java 1.6.0.16

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• Actual long double precision does not agree with std::numeric_limits

  - by dmb

  Working on Mac OS X 10.6.2, Intel, with i686-apple-darwin10-g++-4.2.1, and compiling with the -arch x86_64 flag, I just noticed that while... std::numeric_limits<long double>::max_exponent10 = 4932 ...as is expected, when a long double is actually set to a value with exponent greater than 308, it becomes inf--ie in reality it only has 64bit precision instead of 80bit. Also, sizeof() is showing long doubles to be 16 bytes, which they should be. Finally, using gives the same results as . Does anyone know where the discrepancy might be? long double x = 1e308, y = 1e309; cout << std::numeric_limits::max_exponent10 << endl; cout << x << '\t' << y << endl; cout << sizeof(x) << endl; gives 4932 1e+308 inf 16

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• F#: Tell me what I'm missing about using Async.Parallel

  - by JBristow

  ok, so I'm doing ProjectEuler Problem #14, and I'm fiddling around with optimizations in order to feel f# out. in the following code: let evenrule n = n / 2L let oddrule n = 3L * n + 1L let applyRule n = if n % 2L = 0L then evenrule n else oddrule n let runRules n = let rec loop a final = if a = 1L then final else loop (applyRule a) (final + 1L) n, loop (int64 n) 1L let testlist = seq {for i in 3 .. 2 .. 1000000 do yield i } let getAns sq = sq |> Seq.head let seqfil (a,acc) (b,curr) = if acc = curr then (a,acc) else if acc < curr then (b,curr) else (a,acc) let pmap f l = seq { for a in l do yield async {return f a} } |> Seq.map Async.RunSynchronously let pmap2 f l = seq { for a in l do yield async {return f a} } |> Async.Parallel |> Async.RunSynchronously let procseq f l = l |> f runRules |> Seq.reduce seqfil |> fst let timer = System.Diagnostics.Stopwatch() timer.Start() let ans1 = testlist |> procseq Seq.map // 837799 00:00:08.6251990 printfn "%A\t%A" ans1 timer.Elapsed timer.Reset() timer.Start() let ans2 = testlist |> procseq pmap printfn "%A\t%A" ans2 timer.Elapsed // 837799 00:00:12.3010250 timer.Reset() timer.Start() let ans3 = testlist |> procseq pmap2 printfn "%A\t%A" ans3 timer.Elapsed // 837799 00:00:58.2413990 timer.Reset() Why does the Async.Parallel code run REALLY slow in comparison to the straight up map? I know I shouldn't see that much of an effect, since I'm only on a dual core mac. Please note that I do NOT want help solving problem #14, I just want to know what's up with my parallel code.

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• iPad: Cannot load facebook page wall in UIWebview

  - by geekay

  Its already too long i am struggling with this issue. After searching a lot I decided to post a question here. What my app does Captures photo Uploads the photo on the wall of the page Displays the facebook page wall in a UIWebview after upload is complete Everything was working as expected 4 days back :) Suddenly something went wrong :( Code NSString *facebookPageURL =@"https://m.facebook.com/pages/<myPageName>/<myPageID>?v=wall" UIWebView *webView = [[UIWebView alloc] initWithFrame:kAppFrame]; [webView setUserInteractionEnabled:NO]; [webView setBackgroundColor:[UIColor clearColor]]; webView.delegate = self; [webView setHidden: YES]; NSURL *url = [NSURL URLWithString:[facebookPageURL stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding] relativeToURL:[NSURL URLWithString:@"http://login.facebook.com"]]; NSMutableURLRequest *request = nil; if(url) request = [NSMutableURLRequest requestWithURL:url]; [webView loadRequest:request]; [self.view addSubview:webView]; [webView reload]; [self.view bringSubviewToFront:webView]; webView = nil; Scenario If I open the url facebookPageURL in Safari in iOS Simulator it works well If I open the url in any browser on Mac it works well In webView I see a white screen If I change the facebookPageURL to remove ?v=wall to ?v=info I am stil able to see the page.(not blank screen atleast). Note 1. My facebook Page is NOT unpublished and is visible. 2. I have cross checked the facebook page permissions. I suspect there is something changed on facebook side overnight. Please guide.

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• Bare-metal virtualisation for the desktop

  - by Andrew Taylor

  Hi, Does anyone have any knowledge about bare-metal virtualisation products? I'm interested in building a new desktop machine for home, I've been looking at the Intel Quad Core processors and I'd like to put 8GB of RAM in there, but, it got me thinking about making the most out of the available resources. I thought if I could get a good 64bit machine, put some bare-metal virtualisation on, then have a primary system, I'd also be able to bring up some extra virtualised systems as and when I needed. I know most of the bare metal systems are designed for the server market, but, is there anything out there that works well for a desktop. What are the caveats? I presume I won't be able to make the most out of any video cards I could buy, what about just getting a decent screen resolution, will this be a problem? I run a single 24" screen. What about DVD/CD writing, is this possible? I'd like to re-rip my CD collection, I was hoping the quad 64Bit goodness would help me out with the encoding. I currently use a Mac and couldn't go back to windows so that leaves Linux, I was thinking a primary OS of ubuntu. Does this make a difference? Thanks Andrew

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• ScriptingBridge causes iTunes to relaunch after quit

  - by Justin Voss

  I'm working on a Cocoa app that monitors what you're listening to in iTunes, and since I'm targeting Mac OS 10.5 and higher, I've decided to use Scripting Bridge. If I try to close iTunes too close to the time that my app polls it for the current track, iTunes will immediately relaunch! The only way to reliably prevent this behavior is to quit my app first, then quit iTunes. Switching to EyeTunes solves the problem, but it's a fairly old codebase and I was hoping that I could accomplish this without an external library. Surely I'm doing something wrong that's causing the relaunch? Here's some sample code; this snippet is run every few seconds, triggered by an NSTimer. #import "iTunesBridge.h" // auto-generated according to Apple's docs -(void)updateTrackInfo { iTunesApplication *iTunes = [[SBApplication alloc] initWithBundleIdentifier:@"com.apple.iTunes"]; iTunesTrack *currentTrack = [iTunes currentTrack]; // inspect currentTrack to determine what's being played... [iTunes release]; } Is this a known issue with Scripting Bridge, or am I using it incorrectly?

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• What is your preferred tool stack for PHP development in the Windows Environment?

  - by Tim Visher

  I have been developing basic web sites for awhile now with some PHP thrown in for getting dynamic stuff done. However, I recently decided that it was time I got my hands a little dirtier so I wanted to start to play with the underpinnings of Wordpress and other such apps. I work on a Mac at home and have been using Coda for most of my editing needs and I love it. Also, to manage the services stack I use MAMP at home. However, I've begun to realize that for heavy PHP and Web work (AJAX, etc.), more is needed. I'm very interested to hear the kinds of tools more experienced web developers use on a day to day basis to manage the entire work flow. I found this article over on developer tutorials and decided to go with XAMPP (for the moment) for managing the services. However, IDE, Source Control, Debugger, etc. are all up for grabs. Anyway, your thoughts are much appreciated. And, if at all possible, try to describe your entire stack with what each tool fulfills for your development process.

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• Qmake does not specify a valid qt

  - by Comptrol

  After installing Qt SDK for Open Source C++ development on Mac OS by following the respective steps Note for the binary package: If you have the binary package, simply double-click on the Qt.mpkg and follow the instructions to install Qt. . Yes, that is all I have done to install Qt on MacOsX. Everything was going fine, until I run a sample application, of which compile output resulted in: No valid Qt version set. Set one in Preferences Error while building project qtilk When executing build step 'QMake' Canceled build. Then I tried to change the respective Qt version in Preferences and I hovered over the Path, I realized my mkspec isn't set: Then I tried querying qmake by qmake -query : QT_INSTALL_PREFIX:/ QT_INSTALL_DATA:/usr/local/Qt4.6 QT_INSTALL_DOCS:/Developer/Documentation/Qt QT_INSTALL_HEADERS:/usr/include QT_INSTALL_LIBS:/Library/Frameworks QT_INSTALL_BINS:/Developer/Tools/Qt QT_INSTALL_PLUGINS:/Developer/Applications/Qt/plugins QT_INSTALL_TRANSLATIONS:/Developer/Applications/Qt/translations QT_INSTALL_CONFIGURATION:/Library/Preferences/Qt QT_INSTALL_EXAMPLES:/Developer/Examples/Qt/ QT_INSTALL_DEMOS:/Developer/Examples/Qt/Demos QMAKE_MKSPECS:/usr/local/Qt4.6/mkspecs QMAKE_VERSION:2.01a QT_VERSION:4.6.2 QMAKE_MKSPECS seems to be set here?? Will setting my mkspec solve my building problem? I tried setting by typing export mkspec=macx-g++. Still, mkspec seems not to be set to anything. I am all ears waiting for your answers. Thanks in advance.

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• HTML Element doesn't display when served with php5, restart server with php4 and Element displays.

  - by togglemedia

  Get this...I start the server in php5 and a specific HTML element ('a' element with a background image) is nowhere to be seen, I reboot the server in php4 and the HTML element is displaying properly. I boot back and forth between php5 and php4 with absolute consistent results, not displaying in php5 and displaying in php4. The thing that blows my mind is that: the HTML is consistent between boots of php5/4, so both scenarios have the necessary HTML elements the CSS is consistent between boots of php5/4, so both scenarios have the necessary CSS definitions there is an identically styled sibling element, with different class name that displays properly the problem is reproducible between browsers, between platforms. I've tested it on every possible config, Mac/Windows, IE6,7,8, FireFox, Safari etc... When the server is booted in php5 there is one HTML element that just doesn't display/render. A stab in the dark, I turned on PHP error reporting in php5 (to see if there would be any clues there) and low and behold the HTML element is now rendering in php5. I turn off PHP error reporting, and restart php5 and the HTML element is still rendering in php5, and the problem has been fixed...and I can't get the problem to reproduce. This is why my curiosity has brought me here. I just spent about four hours scratching my head trying to figure out how this could be. And now, I ask any php web dev gurus out there...what the heck was this all about?

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• ClassNotFoundException when connecting to Mysql with JDBC

  - by Jacob Lyles

  I'm getting the following error when I try to run a simple Java JDBC program at the command line: Exception in thread "main" java.lang.NoClassDefFoundError: LoadDriver/java Caused by: java.lang.ClassNotFoundException: LoadDriver.java at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:315) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:330) at java.lang.ClassLoader.loadClass(ClassLoader.java:250) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:398) Here's the simple Java program, copied right out of the JDBC docs: import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; // Notice, do not import com.mysql.jdbc.* // or you will have problems! public class LoadDriver { public static void main(String[] args) { try { // The newInstance() call is a work around for some // broken Java implementations Class.forName("com.mysql.jdbc.Driver").newInstance(); } catch (Exception ex) { throw ex; // handle the error } } } Problem is, I'm bloody sure my bash shell $ClASSPATH variable is pointed at the correct .jar file. To be sure, I copied the JDBC .jar to the same directory as my program and ran it as follows: java -classpath ./mysql-connector-java-5.1.12-bin.jar LoadDriver.java I still get the same error. I'm running under Mac OSX, if it matters.

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• How do I detect whether the sample supplied by VideoSink.OnSample() is right-side up?

  - by Ken Smith

  We're currently using the Silverlight VideoSink to capture video from users' local webcams, kinda like so: protected override void OnSample(long sampleTime, long frameDuration, byte[] sampleData) { if (FrameShouldBeSubmitted()) { byte[] resampledData = ResizeFrame(sampleData); mediaController.SetVideoFrame(resampledData); } } Now, on most of the machines that we've tested, the video sample provided in the byte[] sampleData parameter is upside-down, i.e., if you try to take the RGBA data and turn it into, say, a WriteableBitmap, the bitmap will be upside-down. That's odd, but fairly easy to correct, of course -- you just have to reverse the array as you encode it. The problem is that at least on some machines (e.g., the single Macintosh in our test environment), the video sample provided is no longer upside-down, but right-side up, and hence, flipping the image actually results in an image that's received upside-down on the far side. I reported this to MS as a bug, but their (terse) response was that it was "As Designed". Further attempts at clarification have so far been ignored. Now, I'll grant that it's kinda entertaining to imagine the discussions behind this design decision: "OK, just to make it interesting, let's play the video rightside up on a Mac, but let's turn it upside down for Windows!" "Great idea!" "Yeah, that'll keep those developers guessing!" But beyond that, I can't find this, umm, "feature" documented anywhere, nor can I find any documentation on how one is supposed to be able to tell that a given video sample is upside down or rightside up. Any thoughts on how to tell this?

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• CSS3 Gradients and border-radius leading to extraneous background in webkit

  - by iamfriendly

  Hello all, After my 1st question with relation to CSS3 gradients in which I was recreating an 'inner glow' I've now got to the point where I'm not so happy with the way in which webkit renders the effect. Basically, if you give an element a background colour and apply a border radius to it, webkit lets the background colour "bleed" out to fill the surrounding box (making it look a bit awful) To reproduce the undesirable effect, try something like the following section#featured footer p a { color: rgb(255,255,255); text-shadow: 1px 1px 1px rgba(0,0,0,0.6); text-decoration: none; padding: 5px 10px; border-radius: 15px; -moz-border-radius: 15px; -webkit-border-radius: 15px; background: rgb(98,99,100); -moz-box-shadow: inset 0 0 8px rgba(0,0,0, 0.25); -webkit-box-shadow: inset 0 0 8px rgba(0,0,0, 0.25); } You can see an example of this here: http://iamfriendly.clients.friendlygp.com/ Apparently this appears to be a Windows-only problem, so for those on a Mac, here's a screenshot: (Check the 'carry on reading' button) You'll notice that in Safari/Chrome (the latest available public downloads as well as the latest nightlies as far as I can tell), you get a rather ugly background colour bleed. However, in Firefox, you should be able to see what I'm after. If you're in Internet Explorer, woe betide you. Does anyone know of a technique which will allow me to produce the 'correct' effect? Is there a CSS Property which I've missed that tells webkit to only have the background within the border-radius'd part of the containing box. I could potentially use an image, but I'm really trying to avoid it. Naturally, as we're dealing with CSS3 and the landscape is continually changing, I might just have to 'lump' it and revert to an image. However, if anyone can suggest an alternative I would be very much appreciative!

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• Node.js/ v8: How to make my own snapshot to accelerate startup

  - by Anand

  I have a node.js (v0.6.12) application that starts by evaluating a Javascript file, startup.js. It takes a long time to evaluate startup.js, and I'd like to 'bake it in' to a custom build of Node if possible. The v8 source directory distributed with Node, node/deps/v8/src, contains a SconScript that can almost be used to do this. On line 302, we have LIBRARY_FILES = ''' runtime.js v8natives.js array.js string.js uri.js math.js messages.js apinatives.js date.js regexp.js json.js liveedit-debugger.js mirror-debugger.js debug-debugger.js '''.split() Those javascript files are present in the same directory. Something in the build process apparently evaluates them, takes a snapshot of state, and saves it as a byte string in node/out/Release/obj/release/snapshot.cc (on Mac OS). Some customization of the startup snapshot is possible by altering the SconScript. For example, I can change the definition of the builtin Date.toString by altering date.js. I can even add new global variables by adding startup.js to the list of library files, with contents global.test = 1. However, I can't put just any javascript code in startup.js. If it contains Date.toString = 1;, an error results even though the code is valid at the node repl: Build failed: -> task failed (err #2): {task: libv8.a SConstruct -> libv8.a} make: *** [program] Error 1 And it obviously can't make use of code that depends on libraries Node adds to v8. global.underscore = require('underscore'); causes the same error. I'd ideally like a tool, customSnapshot, where customSnapshot startup.js evaluates startup.js with node and then dumps a snapshot to a file, snapshot.cc, which I can put into the node source directory. I can then build node and tell it not to rebuild the snapshot.

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• Versions. "Is not a working copy"

  - by bartclaeys

  A little background first: I'm a designer/developer and decided to use subversion for a personal project. I'm the only one working on this project. I've setup a Beanstalk account and installed Versions on Mac. Locally I have MySQL and PHP running through MAMP. What I want to do is develop locally and push code into Beanstalk. I'm not planning on deploying from Beanstalk to my live server at this moment. In Beanstalk I created a repository and imported all my code. I then installed Versions and added a bookmark to the Beanstalk repository. So far so good. Next I guess (this is a wild guess) I need to add a so called 'working copy bookmark' so that Versions can watch my local copy for changes and commit it to my Beanstalk repository. Problem: When I click 'Create working copy bookmark' in Versions and I select a folder on my computer I get the error: '/Applications/MAMP/www_mydomain' is not a working copy' I have no clue what that means and now I'm stuck. How can I tell Versions to keep track of changes of a local folder?

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• GNUStep make with a precompiled (and prefixed) .pch header from Xcode project?

  - by d11wtq

  I'm trying to build an Xcode project with GNUStep-make. Right now the project is very small (3 classes) however it will grow to hundreds of classes over the coming weeks so I'm trying to get everything figured out and well-organised now. Xcode creates a ProjectName_Prefix.pch file which is a header that: a) get precompiled and b) is prefixed to every file in my project; at least if I understand correctly. Now, how do I tell GNUStep-make what to do with this file when it builds? I've added it to the XXX_PRECOMPILED_HEADERS variable. Cioccolata_OBJC_PRECOMPILED_HEADERS = Cioccolata_Prefix.pch With this in place the build fails with the error: Making all for framework Cioccolata... make[1]: *** No rule to make target `/Users/chris/Projects/Mac/Cioccolata/build/GNUStep/obj/PrecompiledHeaders/ObjC/Cioccolata_Prefix.pch', needed by `internal-precompile-headers'. Stop. make: *** [Cioccolata.all.framework.variables] Error 2 I've also got the following in my makefile: ADDITIONAL_OBJC_FLAGS += -include Cioccolata_Prefix.pch -Winvalid-pch I'm not sure what I've done wrong here. I basically have tried to follow the GNUStep documentation for precompiled headers. None of my project's source files expressly include the Foundation framework since this header does that.

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• Problem with RVM and gem that has an executable

  - by djhworld

  Hi there, I've recently made the plunge to use RVM on Ubuntu. Everything seems to have gone swimmingly...except for one thing. I'm in the process of developing a gem of mine that has a script placed within its own bin/ directory, all of the gemspec and things were generated by Jeweler. The bin/mygem file contains the following code: - #!/usr/bin/env ruby begin require 'mygem' rescue LoadError require 'rubygems' require 'mygem' end app = MyGem::Application.new app.run That was working fine on the system version of Ruby. Now...recently I've moved to RVM to manage my ruby versions a bit better, except now my gem doesn't appear to be working. Firstly I do this: - rvm 1.9.2 Then I do this: - rvm 1.9.2 gem install mygem Which installs fine, except...when I try to run the command for mygem mygem I just get the following exception: - daniel@daniel-VirtualBox:~$ mygem <internal:lib/rubygems/custom_require>:29:in `require': no such file to load -- mygem (LoadError) from <internal:lib/rubygems/custom_require>:29:in `require' from /home/daniel/.rvm/gems/ruby-1.9.2-p136/gems/mygem-0.1.4/bin/mygem:2:in `<top (required)>' from /home/daniel/.rvm/gems/ruby-1.9.2-p136/bin/mygem:19:in `load' from /home/daniel/.rvm/gems/ruby-1.9.2-p136/bin/mygem:19:in `<main>'mygem NOTE: I have a similar RVM setup on MAC OSX and my gem works fine there so I think this might be something to do with Ubuntu?

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• Adding libraries to a project in xcode - symbols not found

  - by kudorgyozo

  I am trying to make an iphone app in xcode that uses pjsip. The problem is I don't know how to link the libraries. I have the ARM version of the libraries in this folder in mac os x. /Users/kudorgyozo/pjsip_iphone In Xcode: I have specified the library and header search paths like this: for includes: /Users/kudorgyozo/pjsip_iphone/pjlib/include /Users/kudorgyozo/pjsip_iphone/pjlib-util/include /Users/kudorgyozo/pjsip_iphone/pjmedia/include /Users/kudorgyozo/pjsip_iphone/pjnath/include /Users/kudorgyozo/pjsip_iphone/pjsip/include for libraries: /Users/kudorgyozo/pjsip_iphone/pjlib/lib /Users/kudorgyozo/pjsip_iphone/pjlib-util/lib /Users/kudorgyozo/pjsip_iphone/pjmedia/lib /Users/kudorgyozo/pjsip_iphone/pjnath/lib /Users/kudorgyozo/pjsip_iphone/pjsip/lib and then using the "Other linker flags" : -lpj-arm-apple-darwin9 -lpjlib-util-arm-apple-darwin9 -lpjmedia-arm-apple-darwin9 -lpjmedia-audiodev-arm-apple-darwin9 -lpjmedia-codec-arm-apple-darwin9 -lpjsdp-arm-apple-darwin9 -lpjnath-arm-apple-darwin9 -lpjsip-arm-apple-darwin9 -lpjsip-simple-arm-apple-darwin9 -lpjsip-ua-arm-apple-darwin9 -lpjsua-arm-apple-darwin9 Is this OK like this? Because it gives me symbol(s) not found errors. I think no symbol is found from the "included" libraries. I don't know what is wrong i'm just beginning to understand how building an app works under linux based systems i've only done programming in C# before.

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• Kerberos and/or other authentication systems - One time logon for all PHP scripts

  - by devviedev

  I'm managing a set of web apps, almost exclusively written in PHP, and would like to find an authentication platform to build a role-based authorization system on top of. Also, I'd like the authentication system to be extensible to use for, for example, system services (SSH, etc.) Here are some of the main characteristics I'm looking for, in order of importance: Easy PHP implementation (storing/reading easily roles, etc.). Redundant, if possible. If an auth system goes down everyone is not locked out. Has clients for Windows and Mac. Easy web-based administration (adding/removing users/roles, changing passwords). If not, I can build an administration system without too much effort. One-time log on. I'd also like, when an auth token is issued, to store the user's IP address and use that to authorize the user for some non web-based applications. For that reason, I'd like a desktop client to issue the token and revoke tokens when, for example, the user becomes idle at their workstation. I'm thinking Kerberos might be a solution, but what are other options?

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