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• Find all <a>s to who's href points to an image with XPath 1.0

  - by Jeffrey Aylesworth

  First, I can assume that all urls that end with jpeg, jpg, bmp, png or gif are images, and others aren't. I thought of, and tried two solutions: Matching the regular expression .(jpe?g|bmp|png|gif)$ Using ends-with to check each separately But, it appears that neither of these exist in XPath 1.0, or at least, they don't exist in Firefox (I am writing a greasemonkey script, so it is only important for the path to work in Firefox).

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• Linux apache developing configuration

  - by Jeffrey Vandenborne

  Recenly reinstalled my system, and came to a point where I need apache and php. I've been searching a long time, but I can't figure out how to configure apache the best way for a developer computer. The plan is simple, I want to install apache 2 + mysql server so I can develop some php website. I don't want to install lamp though, just the apache2, php5 and mysql. The problem that I've been looking an answer for is the permissions on the /var/www/ folder. I've tried making it my folder using the chown command, followed by a chmod -R 755 /var/www. Most things work then, but fwrite for example won't work, because I need to give write permissions to everyone, unless I change my global umask to 000 I'm not sure what I can do. In short: I want to install apache2, php5, mysql-server without using lamp, but configured in a way so I can open up netbeans, start a project with root in /var/www/, and run every single function without permission faults. Does anyone have experiences or workarounds to this? Extra: OS: Ubuntu 10.04 ARCH: x86_64

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• How to OrderBy on a generic IEnumerable (IEnumerable<T>) using LINQ in C#?

  - by Jeffrey

  In my generic repository I have below method: public virtual IEnumerable<T> GetAll<T>() where T : class { using (var ctx = new DataContext()) { ctx.ObjectTrackingEnabled = false; var table = ctx.GetTable<T>().ToList().AsReadOnly(); return table; } } T is a Linq to Sql class and I want to be able to OrderBy on a particular property. Say if T has property name "SortOrder" then do OrderBy on this property. But I am not sure how I can achieve this. So I need some helps. Thank you!

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• VBA Range.Rows.Count giving unexpected results

  - by Jeffrey

  I have a Range variable that contains an address - $2:$2,$4:$205,$214:$214 - (3 groups of rows). I would like to get the count of all the rows in that range. However, range.Count gives me the count of all the cells (50,000~) and range.Rows.Count only return 1 - the count of all the rows in the first group. How do I get the count of all the rows Thanks

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• AS3 function running before variables are defined!

  - by Jeffrey

  I am trying to add an init() function to a MovieClip, but when I run the function from scene1 the variables that were set in the MovieClip are not defined yet... The MovieClip was dragged to the stage from the library. scene1: mc.init(null); MovieClip: var _default = 5; function init(num) { if(num == null) { trace(_default); } else { trace(num); } } This is tracing "undefined" instead of "5"; Is there a way of fixing this problem?

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• Is 4-5 years the “Midlife Crisis” for a programming career?

  - by Jeffrey

  I’ve been programming C# professionally for a bit over 4 years now. For the past 4 years I’ve worked for a few small/medium companies ranging from “web/ads agencies”, small industry specific software shops to a small startup. I've been mainly doing "business apps" that involves using high-level programming languages (garbage collected) and my overall experience was that all of the works I’ve done could have been more professional. A lot of the things were done incorrectly (in a rush) mainly due to cost factor that people always wanted something “now” and with the smallest amount of spendable money. I kept on thinking maybe if I could work for a bigger companies or a company that’s better suited for programmers, or somewhere that's got the money and time to really build something longer term and more maintainable I may have enjoyed more in my career. I’ve never had a “mentor” that guided me through my 4 years career. I am pretty much blog / google / self taught programmer other than my bachelor IT degree. I’ve also observed another issue that most so called “senior” programmer in “my working environment” are really not that senior skill wise. They are “senior” only because they’ve been a long time programmer, but the code they write or the decisions they make are absolutely rubbish! They don't want to learn, they don't want to be better they just want to get paid and do what they've told to do which make sense and most of us are like that. Maybe that’s why they are where they are now. But I don’t want to become like them I want to be better. I’ve run into a mental state that I no longer intend to be a programmer for my future career. I started to think maybe there are better things out there to work on. The more blogs I read, the more “best practices” I’ve tried the more I feel I am drifting away from “my reality”. But I am not a great programmer otherwise I don't think I am where I am now. I think 4-5 years is a stage that can be a step forward career wise or a step out of where you are. I just wanted to hear what other have to say about what I’ve mentioned above and whether you’ve experienced similar situation in your past programming career and how you dealt with it. Thanks.

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• COCOA: Programatically creating new windows and accessing window objects

  - by Jeffrey Kern

  I'm having an issue with creating new windows in Cocoa. Hypothetically speaking, lets say I have "WindowA" and has a button called "myButton". When you click on "myButton", it runs this code in the following class file: -(void)openFile2:(id)sender { myNextWindow = [[TestWindowController alloc] initWithWindowNibName:@"MainMenu"]; NSString *testString = @"foo"; [myNextWindow showWindow:self]; [myNextWindow setButtonText:testString]; } The code in a nutshell makes a duplicate "WindowA" and shows it. As you can see, this code also runs a method called 'setButtonText', which is this: - (void)setButtonText:(NSString *)passedText { [myButton setTitle:passedText]; } The problem is that when I call this method locally, in the original window - the button text changes (e.g., [self setButtonText:testString]) it works. However, it does not work in the newly created window (e.g., [myNextWindow setButtonText:testString];) When I debug the newly created window, step by step, the 'myButton' value it gives is 0x0. Do I have to manually assign controllers/delegates to the new window? I think the 'myButton' in the code isn't associated to the 'myButton' in the newly created window. How would I fix this problem?

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• What does addListener do in node.js?

  - by Jeffrey

  I am trying to understand the purpose of addListener in node.js. Can someone explain please? Thanks! A simple example would be: var tcp = require('tcp'); var server = tcp.createServer(function (socket) { socket.setEncoding("utf8"); socket.addListener("connect", function () { socket.write("hello\r\n"); }); socket.addListener("data", function (data) { socket.write(data); }); socket.addListener("end", function () { socket.write("goodbye\r\n"); socket.end(); }); }); server.listen(7000, "localhost");

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• Is it possible to specify a function with both extern and override modifiers?

  - by Jeffrey Greenham

  I'm trying to override the behavior of an external function in user32.dll because I don't want a certain window to show up. What I'm trying to do is this: [DllImport("user32.dll")] public extern override IntPtr GetSystemMenu(IntPtr hMenu, bool bRevert) { return new IntPtr(); } but this won't work because I get the following errors: ... no suitable method found to override and ... cannot be extern and declare a body Is there any way to simulate what I'm trying to do?

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• Sorting Custom Objects with Parameter in .NET?

  - by Jeffrey Kern

  Let's say I have a custom object of Foo Is there anyway I can sort through a list of these objects, like list<of foo>.sort() and also be able to sort this list with a passable parameter. which will influence the sort? list<of foo>.sort(pValue) I'm guessing I'll need to define two separate sorts, but I am not sure.

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• Full and Partial Matching of Sets

  - by jeffrey

  I have several sets of the same type [Y, M, D] and am trying to write a function to search these sets and return an array of the available sets that fit my parameters. ReturnedSets = return_matches(Y,M,D); I want the three parameters of the function return_matches to be optional. Which means any combination of values can be used to return the sets. For example, one could write - return_matches(13,null,2); - and the function would look for all sets that contain [13, anyValue, 2]; I'm writing this in PHP, to allow users to manage dated files on my website, but I'd like to be able to use this function again for other uses. Thanks! edit: (This, or variations of this, is all I can come up with so far... There is something extra that I don't understand, because this function ends up / would not work to return sets that contain y and d, but leaving m arbitrary. if(y == s[0]){ if(m == s[1]){ if(d == s[2]){ print "day match"; } } else {print "month match";} } else {print "year match";} } else {print "no match";}

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• Single Loader to multiple Sprite Possible?

  - by Jeffrey Chee

  I've looked in various resources regarding this topic, and it seems to me that I need a Loader for every Sprite which contains an image file (png). I'm trying to make a Tile Rendering System, and have created a grid of X by Y sprites, but all of them actually reference the same image file. Is there any other way to do this? (Make the sprite share the same png data file) Some sample code of what I have done. // Create an array of X * Y Loaders var cTileLoaders:Array = new Array( 100 ); // for example 10 by 10 grid var cTiles:Array = new Array( 100 ); var nIndex:int = 0; var nImgLoadCount:int = 0; for ( ; 100 > nIndex; ++nIndex ) { cTileLoaders[ nIndex ] = new Loader(); cTiles[ nIndex ] = new Sprite(); // perform more sprite initialization .... cTileLoaders[ nIndex ].contentLoaderInfo.addEventListener( Event.COMPLETE, ImageLoaded cTileLoaders[ nIndex ].Load( new URLRequest( "some image path" ) ); } // handler for image loaded function ImageLoaded( eEvent:Event ):void { ++nImgLoadCount; // when all 100 sprite data are loaded // assuming there is no i/o error if ( 100 == nImgLoadCount ) { cTiles[ nIndex ].addChild( cTileLoaders[ nIndex ].content ); } }

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• Replace Spring.Net IoC with another Container (e.g. Ninject)

  - by Jeffrey Cameron

  Hey all, I'm curious to know if it's possible to replace Spring.Net's built-in IoC container with Ninject. We use Ninject on my team for IoC in our other projects so I would like to continue using that container if possible. Is this possible? Has anyone written a Ninject-Spring.Net Adapter?? Edit I like many parts of the Spring.Net package (the data access, transactions, etc.) but I don't really like the dependency injection container. I would like to replace that with Ninject Thanks

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• Dealing with C++ web views

  - by Jeffrey

  I'm working, as an hobby (before any one rage out of their mind, I'm just trying to study C++ regarding something I love: web. I'm not trying to reinvent your precious wheel, and I'm not trying to create the new web technology. I just have the time to go for it.), creating a web CGI C++ library. I'm at a pretty good point, but in the future I see one big problem: views. I'm used to the great <body><?php echo "Hey!"; ?></body> embedded php, but there's no such thing in C++, so I'm wondering: How would you deal with views? Would you create a simple find-replace-variable templating system and deal with thousands of partial views? For example: View view; view.load("header.html"); view.load("nav.html"); view.load("post_start.html"); for (int i = 0; i < 10; i++) { std::map<std::string, std::string> post; Post p(i); post = p.get(); view.load(post_view.html, post); // p is passed as argument and every `{% varname %}` in the html will be replaced with its value inside the map } view.load(post_end.html); view.load(footer); Would you create a simple templating system? So that we can deal with this C++ code: std::vector<std::map<std::string, std::string>> posts; Posts p; posts = p.getAll(); view.load(posts.html, posts); and then this HTML/TPL: <html> ... <body> <h2> Posts </h2> {% for (i = 0; i < 10; i++): %} <div class="post">...</div> {% endfor %} </body> </html> Is there any other way? What is the best way to do this? (And no, I don't think this is subjective question)

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• Sorting Custom Objects with Parameter in VB.Net/C#

  - by Jeffrey Kern

  Let's say I have a custom object of Foo Is there anyway I can sort through a list of these objects, like list<of foo>.sort() and also be able to sort this list with a passable parameter. which will influence the sort? list<of foo>.sort(pValue) I'm guessing I'll need to define two separate sorts, but I am not sure. Thanks!

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• What benefit would I get when using MessageQueueTransaction with ReceiveCompleted event in MessageQu

  - by Jeffrey

  I understand the benefit when using MessageQueueTransaction in the below scenario where 5 messages will be wrapped in a single transaction and until the transaction has been committed 5 individual ReceiveCompleted events will then be raised. using(var t = new MessageQueueTransaction()) using(var q = new MessageQueue("queue path here")) { t.Begin(); q.Send(new Message); q.Send(new Message); q.Send(new Message); q.Send(new Message); t.Commit(); } I understand the usefulness when using Peek() and Receive() which has been mentioned in this question. However I am wondering would I get any benefit when combining MessageQueueTransaction with ReceiveCompleted event.

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• How effecient is a details table?

  - by Jeffrey Lott

  At my job, we have pseudo-standard of creating one table to hold the "standard" information for an entity, and a second table, named like 'TableNameDetails', which holds optional data elements. On average, for every row in the main table will have about 8-10 detail rows in it. My question is: What kind of performance impacts does this have over adding these details as additional nullable columns on the main table?

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• Overwriting dlls in MEF.

  - by Jeffrey Lott

  Right now, I'm trying to separate out a set of constantly changing classes into their own dll and dynamically load them using MEF. My problem is that whenever I try and overwrite the dll while the app is running, it says it's in use. Is there anyway to configure MEF to let me overwrite the dll and pick up the changes while the app is still running?

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• Today's Links (6/29/2011)

  - by Bob Rhubart

  Event-Driven SOA: Events meet Services | Guido Schmutz Oracle ACE Director Guido Schmutz shows you how to achieve extreme loose coupling within a Service-Oriented Architecture by using event-driven interactions. Misconceptions About Software Architecture | Sanjeev Kumar A concise, to-the-point, and informative article by Sanjeev Kumar. Good Leaders Acknowledge What Can't Be Done - Jeffrey Pfeffer - Harvard Business Review "None of us likes to admit to bad decisions," says Jeffrey Pfeffer. "But imagine how much harder that is for someone who has been chosen to lead a large organization precisely because he or she is thought to have the power to see the future more clearly and chart a wise course." Suboptimal Thinking within Enterprise Architecture | James McGovern McGovern says: "We need to remember that enterprises live and thrive beyond just the current person at the helm." Boundaryless Information Flow | Richard Veryard "If all the boundaries are removed or porous, then the (extended) enterprise or ecosystem becomes like a giant sponge, in which all information permeates the whole," Veryard says. "Some people may think that's a good idea, but it's not what I'd call loose coupling." Coming to a City Near You: Oracle Business Analytics Summits | Rob Reynolds This series of events includes a Technology and Architecture track. New Date for Implementation of Sun Hands-On Course Requirement (Oracle Certification) As announced on the Oracle Certification website, Java Architect, Java Developer, Solaris System Administrator and Solaris Security Administrator certification tracks will include a new mandatory course attendance requirement. VirtualBox 4.0.10 is now available for download | Bob Netherton Netherton shares information on the new release. Updated Technical Best Practices whitepaper | Anthony Shorten The Technical Best Practices whitepaper has been updated with the latest advice. "New advice includes new installation advice, advanced settings, new security settings and advice for both Oracle WebLogic and IBM WebSphere installations," says Shorten. Kscope 11 ADF, AIA and Business Rules | Peter Paul van de Beek Whitehorses Solution Architect Peter Paul van de Beek shares his impressions of KScope11 presentations by Markus Eisele, Sten Vesterli, and Edwin Biemond. Amazon AWS for the learning experience | Andrej Koelewijn "Using AWS changes your expectations how your internal data center should operate," says Koelewijn. BPMN is dead, long live BPEL! (SOA Partner Community Blog) Jürgen Kress shares information -- including a long list of speakers -- for the SOA & BPM Integration Days 2011 conference, October 12th & 13th 2011 in Düsseldorf. InfoQ: HTML5 and the Dawn of Rich Mobile Web Applications James Pearce introduces cross-platform web apps development using HTML5 and web frameworks, such as jQTouch, jQuery Mobile, Sencha Touch, PhoneGap, outlining what makes a good framework. InfoQ: Interview and Book Excerpt: CMMI for Development "Frameworks like TOGAF are used to define an architecture that aligns IT assets and resources to support key business needs and processes of key stakeholders," says SEI's Mike Konrad. "But the individual application systems, capabilities, services, networks, and other IT assets and infrastructure still need to be acquired, developed, or sustained." InfoQ: Architecting a Cloud-Scale Identity Fabric | Eric Olden "The most cited reason for not moving to the cloud is concern about security," says Olden. "In particular, managing user identity and access in the cloud is a tough problem to solve and a big security concern for organizations."

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• Syntax Recognition for XML-Based Languages in Oracle JDeveloper

  - by Ramkumar Menon

    @Thanks Jeffrey Stephenson If you are looking at using any one of the new XML Based languages, lets say a docbook xml, or xproc, or what not, you can make use of JDeveloper's syntax highlighting and completion insight feature to ease out those extra keystrokes. All you need is a URL/local copy of the XML Schema for the language. Once you have, you can register it via Tools --> Preferences --> XML Schemas.   Remember to provide a new extension name [Using a default .xml extension did not work for me.] I provided my own extension .dbk for my docbook files. Once you save these settings, you can create new files that conform to the schema, and you get validation/completion insight/prompting for free.      

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• AZGroups May 10 2010 Day of Net

  WOW. Another event behind us. What a speaker line up this year huh? Scott Guthrie Scott Guthrie Scott Hanselman Jeffrey Palermo Tim Heuer Scott Guthrie Why is ScottGu listed 3 times? Because he gave us 4 hours of content. Amazing that hes got so much energy, coding talent, stage presence, and community concern to still donate this much of this time. I cant say how grateful we are as a community that ScottGu will agrees to come do our event. We also have to take a moment and...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• ASP.NET MVC in Action podcast with Deep-Fried Bytes crew

  Thanks to Keith and Woody for having us on their podcast.  It was a lot of fun.  The podcast is now published.  Here are the details. Episode 48: Web Development with ASP.NET MVC In Action Authors About This Episode In this episode Keith and Woody caught up with the team that wrote the book ASP.NET MVC In Action: Jeffrey Palermo, Ben Scheirman and Jimmy Bogard. The guys discussed the book, what drives their passion around ASP.NET MVC and what is in store for this huge change in...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• YouTube API Office Hours May 23, 2012

  YouTube API Office Hours May 23, 2012 This is a recording of the YouTube API Hangout on Air from Wednesday 5/23 at 10am PDT (UTC-7) Jeffrey Posnick spoke about the new CORS support in the YouTube API. JJ Shannon Behrens with Jarek Wilkiewicz covered YouTube sessions schedule at Google I/O (developers.google.com Our special guests were Dror Shimshowitz and Aj Crane from the YouTube Product Management team. Dror and AJ gave a short overview of an exciting session they have coming up at Google I/O. Topics: * YouTube Channels: Get with the Program! * Getting Direct Feedback from your YouTube Community * Mobile YouTube API Apps for Content Creators, Curators and Consumers * HTML5 at YouTube: Stories from the Front Line * YouTube API + Cloud Rendering = Happy Mobile Gamers * New YouTube Android Player Tools (Session + Codelab) * Master the Latest YouTube Data API (Codelab) * Webinar: YouTube for Your Business * Webinar: Using YouTube APIs and Ruby on Rails for Educational Apps From: GoogleDevelopers Views: 649 16 ratings Time: 46:44 More in Science & Technology

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• Google I/O 2010 - YouTube API uploads: Tips & best practices

  Google I/O 2010 - YouTube API uploads: Tips & best practices Google I/O 2010 - YouTube API uploads: Tools, tips, and best practices Google APIs 201 Jeffrey Posnick, Gareth McSorley, Kuan Yong Are you integrating YouTube upload functionality into your mobile, desktop, or web app? Learn about Android and iPhone upload best practices, resuming interrupted YouTube uploads, and the YouTube Direct embeddable iframe for soliciting uploads on your existing web pages. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 11 0 ratings Time: 55:27 More in Science & Technology

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• Automating ASP.NET MVC deployments using Web Deploy

  The following is an excerpt from ASP.NET MVC 2 in Action, a book from Manning to be in bookstores in May.  The early access (MEAP) edition is available now on http://manning.com/palermo2.  Authors include Jeffrey Palermo, Ben Scheirman, Jimmy Bogard, Matt Hinze.  Technically edited by Jeremy Skinner. 17.4 Enabling remote server deployments with Web Deploy After getting a deployment script that can set up your application and database, the next step is to take on the challenge...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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