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Articles indexed Tuesday April 27 2010

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  • Use lan-connected printer within VMware

    - by maloo
    Hi, i have a HP printer connnect via LAN to the host-PC (windows 7) and i want to use it from a virutal windows XP intallation within vmware but XP does not seem to find the printer, any ideas? BTW, i do have a network connection to the router where the printer is connected.

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  • How to insert a word into a string in Perl

    - by Nano HE
    #!C:\Perl\bin\perl.exe use strict; use warnings; use Data::Dumper; my $fh = \*DATA; while(my $line = <$fh>) { $line =~ s/ ^/male /x ; print $line ; } __DATA__ 1 0104 Mike Lee 2:01:48 output male 1 0104 Mike Lee 2:01:48 Then I tried to insert male after the racenumber(0104), I replaced the code with style. $line =~ s/ ^\d+\s+\d+\s+ /male /x ; # but failed Acturally I want the output. thank you. 1 0104 male Mike Lee 2:01:48

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  • Compressing High Resolution Satellite Images

    - by Monika
    Hi! Please advise the best way to compress satellite Image. Details Uncompressed size - 60 gb Uncompressed format - IMG 4 Bands (To be retained after compression) Preferred compression format - JPEG2000 Lossy enough to aid in Visual analysis. Thanks Monika

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  • Set bounds for markers generated by jQuery table loop?

    - by abemonkey
    I have some jQuery code that goes through a table of location results and puts corresponding pins on a map. I am having trouble figuring out how to set the bounds so that when it goes through the loop and generates the markers on the map that it zooms and pans to fit the markers in the view. I've tried implementing code from some similar questions on this site but nothing seems to be working. Please let me know what code I should be using and where the heck I should put it in my script: $(function() { var latlng = new google.maps.LatLng(44, 44); var settings = { zoom: 15, center: latlng, disableDefaultUI: false, mapTypeId: google.maps.MapTypeId.ROADMAP }; var map = new google.maps.Map(document.getElementById("map_canvas"), settings); $('tr').each(function(i) { var the_marker = new google.maps.Marker({ title: $(this).find('.views-field-title').text(), map: map, clickable: true, position: new google.maps.LatLng( parseFloat($(this).find('.views-field-latitude').text()), parseFloat($(this).find('.views-field-longitude').text()) ) }); var infowindow = new google.maps.InfoWindow({ content: $(this).find('.views-field-title').text() + $(this).find('.adr').text() }); new google.maps.event.addListener(the_marker, 'click', function() { infowindow.open(map, the_marker); }); }); }); `

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  • HTACCESS Rewrite on directories

    - by Cameron
    I have the following code in my Root htaccess file RewriteCond %{HTTP_HOST} ^paperviewmagazine.com RewriteRule (.*) http://www.paperviewmagazine.com/$1 [R=301,L] It works fine for the main site, but for my forums at /forums/ if someone misses off the www it will show the page and not redirect to the www.paperviewmagazine.com/forums/ instead. I need to force the WWW to prevent anyone from logging in by accident on the non-www as it wont have the correct cookie credentials for accessing the site at www./forums/ Can anyone help? Thanks.

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  • What are alternatives to Win32 PulseEvent() function?

    - by Bill
    The documentation for the Win32 API PulseEvent() function (kernel32.dll) states that this function is “… unreliable and should not be used by new applications. Instead, use condition variables”. However, condition variables cannot be used across process boundaries like (named) events can. I have a scenario that is cross-process, cross-runtime (native and managed code) in which a single producer occasionally has something interesting to make known to zero or more consumers. Right now, a well-known named event is used (and set to signaled state) by the producer using this PulseEvent function when it needs to make something known. Zero or more consumers wait on that event (WaitForSingleObject()) and perform an action in response. There is no need for two-way communication in my scenario, and the producer does not need to know if the event has any listeners, nor does it need to know if the event was successfully acted upon. On the other hand, I do not want any consumers to ever miss any events. In other words, the system needs to be perfectly reliable – but the producer does not need to know if that is the case or not. The scenario can be thought of as a “clock ticker” – i.e., the producer provides a semi-regular signal for zero or more consumers to count. And all consumers must have the correct count over any given period of time. No polling by consumers is allowed (performance reasons). The ticker is just a few milliseconds (20 or so, but not perfectly regular). Raymen Chen (The Old New Thing) has a blog post pointing out the “fundamentally flawed” nature of the PulseEvent() function, but I do not see an alternative for my scenario from Chen or the posted comments. Can anyone please suggest one? Please keep in mind that the IPC signal must cross process boundries on the machine, not simply threads. And the solution needs to have high performance in that consumers must be able to act within 10ms of each event.

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  • Frequent Netbeans freezes

    - by danilo
    I'm using Netbeans 6.8 for PHP projects located on network drives in a Windows network. Frequently, the IDE gets really slow (like a temporary freeze) to a point where it's totally unusable. At first it seems like a total crash, but after some time (might be sevaral minutes) the IDE works again as before. This happens with Netbeans 6.7 as well as 6.8 on my Windows XP 32-bit installation. I'm using Java 1.6.0_13. This is a fresh Netbeans installation, so it can't have to do with too many temp files. I assume it has to do with the frequent code checks that Netbeans does. It's probably not very fast when doing this over the network connection. But it can't be that this feature renders the IDE useless... This thread deals with the same issue http://forums.netbeans.org/viewtopic.php?t=5548. Does anyone know a solution to this problem?

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  • JQuery Accordian Problem

    - by Kubi
    jQuery('#alternatives').accordion({ header: 'div.AirlineHeader', active: false, alwaysOpen: false, animated: 'bounceslide', autoheight: false }) My accordian is having many panes. The problem is when I click it first, it works OK but second time it doesn't have constant height, Instead it is having a greater height value. Should I add another option or anything for that ?

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  • Background-image won't change using jquery in IE6

    - by slav
    There is a panel on my page with no default background-image css. On load it is set with jquery to an initial image, waits for 10 seconds then loads a random image out of some predetermined images. There are previous and next buttons which allow you to cycle through the images. In ie6 the initial image loads and then a random image also loads after 10 seconds, however pressing prev/next causes the background to become white and the images aren't loaded. With alerts I was able to find that it's still keeping track of the position and url of the image it's supposed to load, but just won't load it. Here is the code below. <script type="text/javascript"> var facts = new Array(); var position; $(document).ready(function() { <xsl:for-each select="$currentPage/ancestor-or-self::node[@level=1]/../node[@nodeName='Fun Fact Folder']/node"> facts[<xsl:value-of select="position()" />] = '<xsl:value-of select="." />'; </xsl:for-each> if(window.location.pathname == "/homepage.aspx" || window.location.pathname == "/") { $(".fun_facts_bg").css("background-image", "url(images/fun_fact_homepage.JPG)"); setTimeout("randomFact()",10000); } else { randomFact(); } }); function randomFact() { $("a.previous_button").css("display", "block"); $("a.next_button").css("display", "block"); position = Math.ceil(Math.random() * (facts.length - 1)); changeFact(0); } function changeFact(increment) { position = checkPosition(position, increment); $(".fun_facts_bg").css("background-image", "url(" + facts[position] + ")"); } <xsl:text disable-output-escaping="yes">&lt;!--//--&gt;&lt;![CDATA[//&gt;&lt;!-- function checkPosition(currentPos, increment) { currentPos = currentPos + increment; if (currentPos &gt; facts.length - 1) { currentPos = 1; } else if (currentPos &lt; 1) { currentPos = facts.length - 1; } return currentPos; } //--&gt;&lt;!]]&gt;</xsl:text> </script> <a class="previous_button" href="javascript:void(0);" onclick="changeFact(-1);"> <a class="next_button" href="javascript:void(0);" onclick="changeFact(1);">

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  • AVAudioPlayer making noise when playing multiple sounds at the same time

    - by Rob
    I am having an issue where AVAudioPlayer is introducing noise into playback ONLY when I play multiple sound files at the same time. If I play them each individually, they all sound perfect. But, if I play sound clip B while sound clip A is still playing, the speakers start crackling like there is noise. I have tried both m4a files AND caf files and both make the same noise, so it has to be something with how I am implementing this method or a quirk with AVAudioPlayer. Any insights? code I am using: UITouch* touch = [[event allTouches] anyObject]; NSString* filename = [soundArray objectAtIndex:[touch view].tag]; NSString *path = [[NSBundle mainBundle] pathForResource:filename ofType:@"m4a"]; AVAudioPlayer * newAudio=[[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path] error:NULL]; self.theAudio = newAudio; // automatically retain audio and dealloc old file if new m4a file is loaded [newAudio release]; // release the audio safely theAudio.delegate = self; [theAudio prepareToPlay]; [theAudio setNumberOfLoops:0]; [theAudio setVolume: volumeLevel]; [theAudio play];

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  • Is it possible to hide the tabbar when a button is pressed to allow a full screen view of the conten

    - by Jonah
    I have a UITabBar in the detail view of my navigation based application. I am storing text and images in a tableview and would like the user to be able to tap on a cell to hide the navigation controller and the tabbar for full screen viewing of the content. I found this code for hiding the top bars, but it does not seem as easy to hide the tabbar. [[UIApplication sharedApplication] setStatusBarHidden:YES animated:YES]; [self.navigationController setNavigationBarHidden:YES animated:YES]; Does anyone know how to do this? This code does not work to hide the tabBar once the view is already loaded. yourTabViewController.hidesBottomBarWhenPushed = YES;

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  • Saving program working data

    - by gloris
    When the program runs, the intermediate data must save in the user's computer. Now I use .txt files, encoding with AES. But file/code user can break, delete.... Maybe is better decision?

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  • Silverlight Cream for April 27, 2010 -- #849

    - by Dave Campbell
    In this Issue: Mike Snow, Kunal Chowdhury, Giorgetti Alessandro, Alexander Strauss, Corey Schuman, Kirupa, John Papa, Miro Miroslavov, Michael Washington, and Jeremy Likness. Shoutouts: Erik Mork and crew have posted their latest This Week In Silverlight April 23 2010 The Silverlight Team announced Microsoft releases Silverlight-powered Windows Intune beta Jesse Liberty has posted his UK and Ireland Slides and Links The Expression Blend and Design Blog reports a Minor Update to The Expression Blend 4 Release Candidate From SilverlightCream.com: Silverlight Tip of the Day #6 – Toast Notifications Mike Snow has Tip #6 up today and it's about Toast notifications in OOB apps: Restrictions, creation, showing, and the code. Silverlight Tutorials Chapter 2: Introduction to Silverlight Application Development Part 2 of Kunal Chowdhury's Introductory tutorial set is up ... he's covering how to create a Silverlight project, what's contained in it, and creating a User Control. Silverlight, M-V-VM ... and IoC - part 3 Giorgetti Alessandro has part 3 of his Silverlight, IOC, and MVVM series up... this one with an example using the code discussed previously. The project is on CodePlex, and he's not done with the series. Application Partitioning with MEF, Silverlight and Windows Azure – Part I Alexander Strauss is discussing Silverlight and MEF for loosely-coupled and partitioned apps. He's also using Azure in this discussion. geekSpeak Recording - Five Key Developer Features in Expression Blend with Corey Schuman Check out the latest geekSpeak on Channel 9 where Corey Schuman talks about the 5 key Developer Features in Expression Blend that will improve your productivity. Using the ChangePropertyAction Kirupa is discussing and demonstrating ChangePropertyAction. Check out the demo near the top of the post, then read how to do it, and download the source. 3 Free Silverlight Demos John Papa blogged about the 2 demos (with source) that have been updated to SL4, and a new one all by Microsoft Luminaries Karen Corby, Adam Kinney, Mark Rideout, Jesse Bishop, and John Papa: "ScrapBook", "HTML and Video Puzzle", and "Rich Notepad". Floating Visual Elements I like Miro Miroslavov's comment: "every Silverlight application “must” have some objects floating around in a quite 3D manner" :) ... well they do that on the CompletIT site, and this is part 2 of their explanation of how all that goodness works. MVVM – A Total Design Change Of Your Application With No Code With some Blend goodness, Michael Washington completely reorganizes the UI of an MVVM application without touching any code ... project included MVVM with Transaction and View Locator Example Jeremy Likness responded to reader requests and has an example up, with explanation, of marrying his last two posts: transactions with MVVM and View Model Locator. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • VirtualBox error VERR_SUPDRV_COMPONENT_NOT_FOUND

    - by ant2009
    I am using Fedora 12, with kernel stv-fedora 2.6.31.12-174.2.22.fc12.i686 I have install VirtualBox OSE v3.1.4-1.fc12. When I start VirtualBox I get the following error: Failed to start the virtual machine WinXP32. Failed to open/create the internal network 'HostInterfaceNetworking-eth0' (VERR_SUPDRV_COMPONENT_NOT_FOUND). One of the kernel modules was not successfully loaded. Make sure that no kernel modules from an older version of VirtualBox exist. Then try to recompile and reload the kernel modules by executing '/etc/init.d/vboxdrv setup' as root (VERR_SUPDRV_COMPONENT_NOT_FOUND). However, if I run /etc/init.d/vboxdrv setup I get this error: -bash: /etc/init.d/vboxdrv: No such file or directory How do I get rid of the error and run VirtualBox?

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  • Reading numpy arrays outside of Python

    - by Abiel
    In a recent question I asked about the fastest way to convert a large numpy array to a delimited string. My reason for asking was because I wanted to take that plain text string and transmit it (over HTTP for instance) to clients written in other programming languages. A delimited string of numbers is obviously something that any client program can work with easily. However, it was suggested that because string conversion is slow, it would be faster on the Python side to do base64 encoding on the array and send it as binary. This is indeed faster. My question now is, (1) how can I make sure my encoded numpy array will travel well to clients on different operating systems and different hardware, and (2) how do I decode the binary data on the client side. For (1), my inclination is to do something like the following import numpy as np import base64 x = np.arange(100, dtype=np.float64) base64.b64encode(x.tostring()) Is there anything else I need to do? For (2), I would be happy to have an example in any programming language, where the goal is to take the numpy array of floats and turn them into a similar native data structure. Assume we have already done base64 decoding and have a byte array, and that we also know the numpy dtype, dimensions, and any other metadata which will be needed. Thanks.

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  • How do I insert a word into a string in Perl?

    - by Nano HE
    #!C:\Perl\bin\perl.exe use strict; use warnings; use Data::Dumper; my $fh = \*DATA; while(my $line = <$fh>) { $line =~ s/ ^/male /x ; print $line ; } __DATA__ 1 0104 Mike Lee 2:01:48 output male 1 0104 Mike Lee 2:01:48 Then I tried to insert male after the racenumber(0104), I replaced the code with style. $line =~ s/ ^\d+\s+\d+\s+ /male /x ; # but failed Acturally I want the output. thank you. 1 0104 male Mike Lee 2:01:48

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  • Simple javascript string problem in ie6 and ie7

    - by Jeff Lamb
    I have a very simple function that takes a list of comma separated (x,y) points and imports them into a graph. I have FF, Chrome and IE8 installed. I use IETester to test for IE6 and IE7. // Import Data this.Import = function(data) { alert("Data in: "+data); var d; // Make sure the first and the last are start/ending parenthesis if ( (data[0] != '(') || (data[data.length-1] != ')') ) { alert("After if: "+data[0]+" "+data[data.length-1]); return false; } ... In Chrome, FF and IE8, I don't see the "After if:" alert. In IE6 and IE7, I see the following two alerts: Data in: (52,16),(100,90) After if: undefined undefined The "Data in" alert matches in all browsers. Any ideas?

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  • Marshal a list of objects from VB6 to C#

    - by Andrew
    I have a development which requires the passing of objects between a VB6 application and a C# class library. The objects are defined in the C# class library and are used as parameters for methods exposed by other classes in the same library. The objects all contain simple string/numeric properties and so marshaling has been relatively painless. We now have a requirement to pass an object which contains a list of other objects. If I was coding this in VB6 I might have a class containing a collection as a member variable. In C# I might have a class with a List member variable. Is it possible to construct a C# class in such a way that the VB6 application could populate this inner list and marshal it successfully? I don't have a lot of experience here but I would guess Id have to use an array of Object types.

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  • Set Java Application's virtual machine max memory without access to VM parameters because of custom

    - by Tom
    I'm using a Java application which allows you to import custom files. On import, these files are loaded into memory. The problem is that the files I want to import are very big, this causes an OutOfMemory exception. The crash log also informs me that the VM was started with the java parameter "-Xmx512m", I want to alter this to "-Xmx1024m" so that I got double the memory available. The problem is that this application is using it's own JRE folder and that there's a launcher written in C which is calling the jvm.dll file. In any way, java.exe or javaw.exe are never called and thus I cannot set these parameters myself (if I delete these executables it doesn't matter, can still run the application - this is not the case with the dll). So, my question is, can I set this VM parameter in an other way? I'm even willing to alter the JRE files if there is no other way.

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  • How do i get the screen to pause?

    - by Dakota
    So im learning c++ and i was given this example and i wanted to run it. But i cannot get it to stay up, unless i change it. How do i get Microsoft visual 2010 to keep up the screen when it gets to the end of the program after I release it? include using namespace std; int area(int length, int width); /* function declaration */ /* MAIN PROGRAM: */ int main() { int this_length, this_width; cout << "Enter the length: "; /* <--- line 9 */ cin >> this_length; cout << "Enter the width: "; cin >> this_width; cout << "\n"; /* <--- line 13 */ cout << "The area of a " << this_length << "x" << this_width; cout << " rectangle is " << area(this_length, this_width); return 0; } /* END OF MAIN PROGRAM */ /* FUNCTION TO CALCULATE AREA: */ int area(int length, int width) /* start of function definition */ { int number; number = length * width; return number; } /* end of function definition */ /* END OF FUNCTION */

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  • git merge with renamed files

    - by Kevin
    I have a large website that I am moving into a new framework and in the process adding git. The current site doesn't have any version control on it. I started by copying the site into a new git repository. I made a new branch and made all of the changes that were needed to make it work with the new framework. One of those steps was changing the file extension of all of the pages. Now in the time that I have been working on the new site changes have been made to files on the old site. So I switched to master and copied all of those changes in. The problem is when I merge the branch with the new framework back onto master there is a conflict on every file that was changed on the master branch. I wouldn't be to worried about it but there are a couple of hundred files with changes. I have tried git rebase and git rebase --merge with no luck. How can I merge these 2 branches without dealing with every file?

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