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• How do I upgrade my MacPorts Perl installation?

  - by sfactor

  I have installed MacPorts in my MacBook Pro with Snow Leopard. I hadn't explicitly installed perl there but I guess it either came installed with the default macports install or was installed as a dependency by any other port I installed. I want to upgrade the Perl v5.8.9 there with the latest stable Perl version. Whichever it may be currently (I see it is 5.12.2). So, my question is simply how do I do a complete replacement of the old Perl with the new in macports. Will sudo port upgrade perl5 work or do I need to do something else as well. I just wanted to make sure this was the right command so as to avoid screwing up my macports install.

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• 404 not found in telnet, works fine in browser

  - by Viranch Mehta

  i am having a very irritating problem, when i open a url ( http://celebs.widewallpapers.net/md/a/adriana-lima/1440/Adriana-Lima-1440x900-002.jpg ) in browser, it works fine.. but when i try to access it by telnet on bash, i get 404 not found!! my exact terminal: $ telnet celebs.widewallpapers.net 80 HEAD /md/a/adriana-lima/1440/Adriana-Lima-1440x900-002.jpg HTTP/1.0 [enter] [enter] HTTP/1.1 404 Not Found Server: nginx Date: Sun, 23 May 2010 21:36:05 GMT Content-Type: text/html; charset=windows-1251 Content-Length: 166 Connection: close please help me with this as i m trying to make a C batch-downloader, which is almost working as same as the telnet.

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• jQuery UI dialog + Ajax fails with IE 6-7-8

  - by user252849

  hey i have problem with jQuery-ui Dialog when using ajax $.ajax({ url: "folders.php", cache: false, data: { 'do' : 'Ajax' ,'_a' : 'ChangeMoviesFolder' ,'MovieIDS' : MovieIDS ,'toFolderID' : toFolderID ,'fromFolderID' : fromFolderID }, context: document.body, open: function(event, ui) { alert('open'); }, error : function(XMLHttpRequest, textStatus, errorThrown){ // Handle the beforeSend event // alert("responseText: "+errorThrown.message); }, success: function(data){ $('input.checkMovie').attr('checked',0); $("#resultsTable").find('tr.selectable-row').removeClass('active'); if (data == '1') { window.location = WWW_ROOT+'movies.php?do=List&FolderID='+toFolderID; } $dialog.dialog("close"); }}); when using IE ajax never get to success option in error i got "This method cannot be called until the open method has been called" Its happen only in IE. Does any one may know what the problem might be ? (all vars are ok and works perfectly in FF & chrome) thanks.

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• Decoding subsampled bitmaps in Android

  - by hgpc

  I decode bitmaps from the SD card using BitmapFactory.decodeFile. Sometimes the bitmaps are bigger than what the application needs or that the heap allows, so I use BitmapFactory.Options.inSampleSize to request a subsampled (smaller) bitmap. The problem is that the platform does not enforce the exact value of inSampleSize, and I sometimes end up with a bitmap either too small, or still too big for the available memory. From http://developer.android.com/reference/android/graphics/BitmapFactory.Options.html#inSampleSize: Note: the decoder will try to fulfill this request, but the resulting bitmap may have different dimensions that precisely what has been requested. Also, powers of 2 are often faster/easier for the decoder to honor. How should I decode bitmaps from the SD card to get a bitmap of the exact size I need while consuming as little memory as possible to decode it?

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• fast algorithm implementation to sort very small set

  - by aaa

  hello. This is the problem I ran into long time ago. I thought I may ask your for your ideas. assume I have very small set of numbers (integers), 4 or 8 elements, that need to be sorted, fast. what would be the best approach/algorithm? my approach was to use the max/min functions. I guess my question pertains more to implementation, rather than type of algorithm. At this point it becomes somewhat hardware dependent , so let us assume Intel 64-bit processor with SSE3 . Thanks

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• UnauthorizedAccessException cannot resolve Directory.GetFiles failure

  - by Ric Coles

  Hi all, Directory.GetFiles method fails on the first encounter with a folder it has no access rights to. The method throws an UnauthorizedAccessException (which can be caught) but by the time this is done, the method has already failed/terminated. The code I am using is listed below: try { // looks in stated directory and returns the path of all files found getFiles = Directory.GetFiles(@directoryToSearch, filetype, SearchOption.AllDirectories); } catch (UnauthorizedAccessException) { } As far as I am aware, there is no way to check beforehand whether a certain folder has access rights defined. In my example, I'm searching on a disk across a network and when I come across a root access only folder, my program fails. I have searched for a few days now for any sort of resolve, but this problem doesn't seem to be very prevalent on here or Google. I look forward to any suggestions you may have, Regards

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• IBOutlet UILabel do not get resized

  - by Leonardo

  HI all, I have designed a view in Interface Builder and connected correctly with its controller. There some UILabel in it that are going to be filled with lot of text. But, even if I have declared "word wrap" and set line to 0 in IB, I can display only first line. I notice that if I increase the height of the UILabel in IB, all the text display properly in multi line, but I cannot do that because text may vary. Shouldn't the UILabel resize itself to fit all the text ? Also, if I built the UILabel programmatically I can succesfully accomplish a word wrap, why cannot do the same with IB ? What am I doing wrong ? thanks Leonardo

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• ExtJS Data Grid Column renderer to have multiple values

  - by Podlsk

  Hi, I am wondering if it is possible in ExtJS to have several values of the data source available to the renderer of the column. For example with the "Actions" column, the id is passed to the renderer. However I require both the user_id and id passed to the render. How may I do this? table_cols = [{ header: "User ID", width: 30, sortable: true, dataIndex: 'user_id' }, { header: "Actions", width: 60, sortable: false, dataIndex: 'id', renderer: function(val) { //IF USER ID MEETS A CONSTRAINT PRINT THE ID } }]; Thanks.

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• Ruby Error: "No such file or directory -- script/generate (LoadError)"

  - by Jenius

  Hey all, I know that this error has been discussed elsewhere on the web, and this may seem like a stupid question, but I've got a very strange situation on my hands here. I'm running on Snow Leopard, with fully updated ruby and rails gems. I created a new rails project (ruby new testing), then navigated into that folder (cd ~/testing), and tried to create a basic scaffolding (ruby script/generate scaffold newtest name:string), and I got this error back: "ruby: No such file or directory -- script/generate (LoadError)" I have searched google thoroughly and tried to implement every solution that I could, but nothing has been working. I don't understand why I have this error or how to fix it. Can anyone help me, please?

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• Error in Jaclplus component

  - by Aruna

  Hi, I am working on Joomla 1.5 and our site is using the Bluehost server.Till March 9th, 2010 our site was working perfectly.And on March 10th,2010 , the following error was shown in the site as Warning: Unexpected character in input: '' (ASCII=28) state=1 in /home1/tcscoinc/public_html/tcsrnd/administrator/components/com_jaclplus/jac lplus.class.php on line 73 Parse error: syntax error, unexpected T_STRING in /home1/tcscoinc/public_html/tcsrnd/administrator/components/com_jaclplus/jac lplus.class.php on line 73 For time being, i have just renamed the file jaclplus.class.php to make the site to function. As we are using Jaclplus component and we have purchased the Jaclplus component from Byos Tech , i have checked in the membership details.And we found that our Membership has been expired on 03/10/2010 . I have asked them but they had replied that it may not be a problem on membership. Please anyone share what can be the reason for the error.I am not able to open that file(jaclplus.class.php) since its a binary file.

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• What software do you use for letter templating and printing?

  - by Pratik

  In our LOB application there is a very important use case of printing letters, which are then printed and posted out from a mail house (thousands per day). The current situation is that the letter templates are created in Word 97 and fields are mail merged from values in database using a VB.Net application that basically uses word automation. But depending on Word 97 is not a good idea today. We only have a couple of PCs that have Word 97 installed as rest of the company has moved to Office 2007. What software or technology (compatible with .Net) is available today that best suits this scenario. Is it better to do the same thing but move to Word 2007 or PDF or something else. Price may not be a factor. The important thing is that the letter templates must be designed by business users and data to fill placeholders come from DB. A bonus would be to import the hundreds of existing Word 97 letter templates without rewriting them from scratch.

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• DurandalJS vs AngularJS?

  - by Zach

  I'm looking for a JS framework to build an SPA and found DurandalJS and AngularJS. Can anyone compare these two frameworks? I did find many articles that compares AngularJS and KnockoutJS, and they say AngularJS is more than data binding, so I think DurandalJS may be the one to compare. I did a little research on AngularJS, it is good but one thing is bad: the $ prefix does not work when minified, although there is an ugly workaround. And someone said Twitter Bootstrap does not work well with it (I didn't check). For DurandalJS, I still cannot find the samples (http://durandaljs.com/documentation/Understanding-the-Samples/), so it's hard to say. PS: are they working well with TypeScript? Best regards, Zach

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• Using java classes in Grails

  - by RN

  I have a Java\Spring\Hibernate application - complete with domain classes which are basically Hibernate POJOs There is a piece of functionality that I think can be written well in Grails. I wish to reuse the domain classes that I have created in the main Java app What is the best way to do so ? Should I write new domain classes extending the Java classes ? this sounds tacky Or Can I 'generate' controllers off the Java domain classes ? What are the best practices around reusing Java domain objects in Grails\Groovy I am sure there must be others writing some pieces in grails\groovy If you know about a tutorial which talks about such an integration- that would be awesome !!! PS: I am quite a newbie in grails-groovy so may be missing the obvious. Thanks !!!

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• Extracting text from a file where date -time is the index

  - by Soham

  I have got around 800 files of maximum 55KB-100KB each where the data is in this format Date/Time/Float1/Float2/Float3/Float4/Integer Date is in DD/MM/YYYY format and Time is in the format of HH:MM Here the date ranges from say 1st May to 1June and each day, the Time varies from 09:00 to 15:30. I want to run a program so that, for each file, it extracts the data pertaining to a particular given date and writes to a file. I will not face any problem in writing into directory operations. I am trying to get around, to form a to do a search and extract operation. I dont know, how to do it, would like to have some idea. Thanks Soham

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• Next month, same day in PHP

  - by Guillermo

  I got a last time (and urgent) requeriment of an "event" that needs to be scheduled the same day of every month. Say of you set the start date on the 1st May you should get the next events on the 1st of Jun, 1 Jul etc. The problem comes with a start date on the 31st (the next ones could be 30 or 28 depending on the month) Considering that there are months with different numbers of days (28,30,31) depending on the month itself and the year... what would ba an easy way to setup this? Consider the following (and flawed) nextmonth function: $events = array() function nextmonth($date) { return $date+(60*60*24*30); } $curr = $start; while($curr < $end) { $events[ = $curr; $curr = nextmonth($curr); } Edited to add: The problem for me is, simply enought, is to solve what the number of days of any given month is and thus get the next corresponding date..

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• Why does PowerShell fail to build my .net solutions? ("file is being used by another process")

  - by urig

  I've written a PowerShell script to build several .net solutions one after the other. It simply makes several calls to csc.exe to build the .sln files. Almost every time I run the script one of the solutions fails to build and CSC.exe reports: error CS1606: Assembly signing failed; output may not be signed -- The process cannot access the file because it is being used by another process. This happens even though I've closed all instances of Visual Studio holding these solutions and I've none of their exes running on mu machine. A similar batch file that I've written works just fine. It's only PowerShell that complains about the file being used by another process. How can avoid having this happen? Are there any better examples out there of building .net solutions through PowerShell?

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• How to Create MySQL Query to Find Related Posts from Multiple Tables?

  - by Robert Samuel White

  This is a complicated situation (for me) that I'm hopeful someone on here can help me with. I've done plenty of searching for a solution and have not been able to locate one. This is essentially my situation... (I've trimmed it down because if someone can help me to create this query I can take it from there.) TABLE articles (article_id, article_title) TABLE articles_tags (row_id, article_id, tag_id) TABLE article_categories (row_id, article_id, category_id) All of the tables have article_id in common. I know what all of the tag_id and category_id rows are. What I want to do is return a list of all the articles that article_tags and article_categories MAY have in common, ordered by the number of common entries. For example: article1 - tags: tag1, tag2, tag3 - categories: cat1, cat2 article2 - tags: tag2 - categories: cat1, cat2 article3 - tags: tag1, tag3 - categories: cat1 So if my article had "tag1" and "cat1 and cat2" it should return the articles in this order: article1 (tag1, cat1 and cat2 in common) article3 (tag1, cat1 in common) article2 (cat1 in common) Any help would genuinely be appreciated! Thank you!

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• MVC2 Annotations dll not found by VS2008 compiler, how do I make it look in the right place?

  - by Paul Connolly

  I have VS2008 SP1 running with .NET 3.5 SP1 I have MVC2 running (with MVC1 uninstalled) All works ok except when I call the System.Components.DatAnnotations.dll, then the compiler complains of not being able to find it. Message is: Could not load file or assembly 'System.ComponentModel.DataAnnotations, Version=99.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified. I tried repairing and reinstalling SP1 of both VS and .Net framework. I also tried referencing the assembly by browsing to it in the Reference assemblies in Programs directory. I have tried out most of the Google search result forum results but to no avail, I think it may be something simple which I have over looked. Any ideas?

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• VB.net Edit-And-Continue: ignore "unable to apply this change while debugging"

  - by FastAl

  When using VB.Net (2008) and paused in debugging, Edit-And-Continue is a great time-saver. However if you change any module/class-level information (variable, sub/function signature, etc), you get the error message like this: "unable to apply this change while debugging" While I can understand the technical challenge to making this work (and why it would be hard), it leaves me in a tight spot with just a few options: 1) Restart and recompile and get the program back to the same state 2) Continue debugging without making the change, and risk forgetting 3) Type up a reminder note to make the change All of which are annoying. Now I know that option '4) Just actually make the change' may not be possible. but does anybody know how to enable the following 'technically easy' possibility? 4) Let me change the code, get it flagged with the purple squiggly underline, so I can save it, but just ignore the change until recompile I have checked the Tools|options|debug|edit and continue, nothing appears to let me do this. thanks!

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• Making complex queries through SQLiteDatabase

  - by Luca

  Hi! I'm using the Android MediaProvider application to get information regarding the resources registered in the media library. The only way I found to do this is to use the ContentProvider class provided by the MediaProvider application. Unfortunately, it seems to me this is quite a limitation, isn't it? Is it possible this way to create complex queries with subqueries and using other functions of SQLite? I thought that it may be possible using the SQLiteDatabase class, but it seems it is not possible to open the database directly with its path, and anyway, the query method seems not to allow subqueries. Any solution to this? Thanks!

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• How to add a column via a query which counts the total rows with a specific criteria in a table with circular relationship in MS ACCESS 2007

  - by Xaqron

  I have a simple table "Employees" with this fields: ID, ParentID, Name ParentID is Nullable since an employee may have no Manager. This table has a one-to-many relationship with itself: ID --one--to--many--> ParentID Now I want a query which returns this columns: Name, Count of rows where their ParentID equals to the current row ID (the row is the manager of that rows) Sample Table: ID | ParentID | Name ====================== 1 | 0 | John ---------------------- 2 | 1 | Bob ---------------------- 3 | 1 | Alice ---------------------- 4 | 3 | Jack This way I can find an employee is the manager of how many other employees. The result should be something like this: Name | Count of Employees ========================== John | 2 -------------- Bob | 0 -------------- Alice | 1 -------------- Jack | 0 How can I achieve this in MS ACCESS 2007? * I have tried built-in query builder without any success.

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• SSIS FTP task connection error

  - by swapna

  Hi, I have a FTP connection manager in SSIS. I have configured it with serevr IP, port number, user name, and password. It was working fine. But suddenly its stopped working. But i am able to login directly to the FTP web site directly .It was not working temporarily.But now its working with same login credentials. But my FTP connection manager in SSIS is unable to connect to the server. with following Error message "connection cannot be established.server name ,port number ,credentials may be invalid" What could be the reason? I have checked servername,port and login credentials all are same. Note: This is a ssl ftp website(https://xxx.xx.xx.com/) Some one please look into this isssue and provide a solution. Thanks SNA

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• How can I keep a WPF Image from blocking if the ImageSource references an unreachable Url?

  - by Corey O'Brien

  I'm writing a WPF application and trying to bind an image to my view model with the following XAML: <Image Source="{Binding Author.IconUrl, IsAsync=True}" /> The problem is that the image URLs are defined by users and can often refer to images hosted on intranet web servers. When the WPF application is run remotely, it locks up while trying to resolve the images that are now unreachable. I thought the "IsAsync" binding property would cause the load to happen in the background, but it appears that the DNS resolution may still happen in the main thread? What can I do to keep my app from locking, even if the images are unreachable? Thanks, Corey

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• How do I access a tomcat 5.5 installation via localhost running on Virtual PC 2007?

  - by MetroidFan2002

  I have a tomcat installation of 5.5 up and running on a Virtual PC with a fresh XP pro SP3. Launching tomcat gives the standard messages: INFO: Find registry server-registry.xml at classpath resource Apr 12, 2010 11:43:44 AM org.apache.catalina.startup.Catalina start INFO: Server startup in 3576 ms However, I cannot for the life of me connect to http://localhost:8080. I've also tried http://127.0.0.1:8080 with no success. This is on the virtual PC itself that I cannot connect to the server - I haven't bothered to try it on the host machine. Can anyone provide any information on why this may be happening? It's a fresh install of tomcat using Sun's JRE 5.0 (I know, EOL, technical requirements make me have to use 5.0 and not a newer JRE).

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• Control.EndInvoke resets call stack for exception

  - by Brian Rasmussen

  I don't do a lot of Windows GUI programming, so this may all be common knowledge to people more familiar with WinForms than I am. Unfortunately I have not been able to find any resources to explain the issue, I encountered today during debugging. If we call EndInvoke on an async delegate. We will get any exception thrown during execution of the method re-thrown. The call stack will reflect the original source of the exception. However, if we do something similar on a Windows.Forms.Control, the implementation of Control.EndInvoke resets the call stack. This can be observed by a simple test or by looking at the code in Reflector. The relevant code excerpt from EndInvoke is here: if (entry.exception != null) { throw entry.exception; } I understand that Begin/EndInvoke on Control and async delegates are different, but I would have expected similar behavior on Control.EndInvoke. Is there any reason Control doesn't do whatever it is async delegates do to preserve the original call stack?

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