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• Hooks...exactly what they are

  - by Ygam

  I have seen hooks in Kohana PHP framework, and they work as some sort of a callback function triggered by a certain event (Kohana's events that is, some sort of method overloading). I have seen hooks in Wordpress, and I don't know what they are or how to use them (just saw them yesterday). I'm looking for events in "non-frameworked" php, I cannot find ones. Do hooks work only in an "event-based" environment? What are they anyway (in general, not just in PHP)? What are they good for if not in an "event-based" environment.

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• Pair programming: How should the pairs be chosen?

  - by Jon Seigel

  This topic has been covered peripherally in bits and pieces in some of the other pair-programming questions, but I want to (a) consolidate this knowledge into a separate question, and, most importantly, (b) go into much more depth on the subject. From the perspective of being an effective manager, how should pairs be arranged for pair programming to maximize both the happiness and productivity of the overall team? Some ideas to get started: Should two people never be paired (because of personalities, for example)? How much overlap in skillsets is needed? How much disconnect in skillsets is too much to overcome? (No two people will overlap 100%, and a disconnect in skills can be very beneficial to both people.) Should everyone pair with everyone else on a fixed/rotating basis? Should certain pairs be arranged to accomplish specific tasks? How important a role does HR play when growing or reorganizing the team?

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• Unload image of UIImageView thats offscreen

  - by ludo

  Hi, I'm coding an application on Ipad, in a certain point of my application I present a ViewController with the presentModalViewController. My ViewController is a UISScrollView who take the larger of the modalView and inside it I display some images, I allow pagingEnabled so I can see all my images inside the scrollView. Sometimes I have to display more than 10 images inside the scrollView, so I have this error RECEIVE MEMORY WARNING LEVEL=1 after this one RECEIVE MEMORY WARNING LEVEL=2 and finnaly the debugger exited due to signal 10 (Sigbus). What can I do? is there a way to unload the image thats offscreen? or others things to do? Thanks,

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• Basic Ruby on Rails Question about routing

  - by Acidburn2k

  I have a controller without any related model. This controller is to span some informations from various models. I have lots of actions there, which define certain views on the page. What would be the best way to organize routes for this controller. What I would like is to have /dashboard/something point to any action in the dashboard controller. Not actions like new/edit but arbitrary (showstats, etc). With trail and error I made something like this: map.dashboard 'dashboard/:action', :controller => 'dashboard', :action => :action Now it is possible to access those url using helper: dashboard_url('actionname') This approch seems to be working ok, but is this the way to go? I am not quite sure understand, how are the helper method names generated. How to generate same helper names as in basic controllers "action_controller_url" ? That would be more generic and made the code more consistent. Thanks in advance.

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• ASP.NET MVC <OutputCache> SqlDependency (CommandNotification?) with LINQ queries

  - by sinni800

  Hello, I use LINQ queries in my ASP.NET MVC application and want to use OutputCache in some of my Actions. I hear this should be possible with CommandNotifications. But those seem to only go for self-created SQLCommands, or am I wrong? Can I manually tell SQL server to send SQLDependency notifications if certain tables change? And if yes, how can I attach them to the OutputCache? Another side question: Can you do this with strongly types views too? Thank you in advance...

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• Best practice for controlling a busy GUI

  - by MPelletier

  Suppose a GUI (C#, WinForms) that performs work and is busy for several seconds. It will still have buttons that need to remain accessible, labels that will change, progress bars, etc. I'm using this approach currently to change the GUI when busy: //Generic delegates private delegate void SetControlValue<T>(T newValue); //... public void SetStatusLabelMessage(string message) { if (StatusLabel.InvokeRequired) StatusLabel.BeginInvoke(new SetControlValue<string>(SetStatusLabelMessage, object[] { message }); else StatusLabel.Text = message; } I've been using this like it's going out of style, yet I'm not quite certain this is proper. Creating the delegate (and reusing it) makes the whole thing cleaner (for me, at least), but I must know that I'm not creating a monster...

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• Using IIRF to redirect to a PDF

  - by Michael Itzoe

  I'm using IIRF to redirect certain URLs to specific PDF files. For instance, for the URL /newsletter/2010/02 I'd like it to redirect to /pdf/newsletters/Feb2010.pdf. I'm not too hot at regular expressions, but I created the following rule: RedirectRule ^/newsletter/2010/01 /pdf/newsletters/Newsletter012010.pdf [I,R=301] and it does redirect, but the address bar doesn't change, and when trying to save the file it wants to save as 01 instead of Feb2010.pdf. I don't presume my users will be savvy enough to enter a PDF extension before saving, and they shouldn't have to. Is there anything I can do about this?

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• eclipse plugin not loading dll due to long path

  - by user113018

  I am building an eclipse plugin (a notes plugin, but its a eclipse plugin in the end). One of the plugins my plugin depends on needs to load a native dll. The problem is, that fails depending on where in the disk such dll is. If it is longer than a certain threshold I get the error below java.lang.UnsatisfiedLinkError: nlsxbe (The filename or extension is too long. ) at java.lang.ClassLoader.loadLibraryWithPath(ClassLoader.java:952) at java.lang.ClassLoader.loadLibraryWithClassLoader(ClassLoader.java:921) at java.lang.System.loadLibrary(System.java:452) at lotus.domino.NotesThread.load(Unknown Source) at lotus.domino.NotesThread.checkLoaded(Unknown Source) at lotus.domino.NotesThread.sinitThread(Unknown Source) at com.atempo.adam.lotus.plugin.views.TopicView.createPartControl(TopicView.java:609) I have added the path to Path env var, and also registered the dll to no avail. My env is Ms vista profesional, java1.5, eclipse3.4 (and lotus 8) Anyone out there have a clue? Many thanks in advance.

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• Best way to implement a Parsing/Editable Richtextbox in WPF

  - by lozzar

  I'm trying to implement (as a prototype initially), a richtextbox control which can be parsed in real time to apply certain formatting options to it. This is being done in WPF so I thought the best way to go about it would be to extend the existing rich text box control. I've run into the issue where it isn't documented well and the examples are quite slow (the ones I found have parse the whole document on every keystroke). The way I've currently decided to go about it is to create a custom Inline element which can hold the formatting tags, and the contents. Hence I only have to parse the current paragraph and the runs in that paragraph for formatting tags. Is there a better way to achieve this? Note this isn't for code/syntax based documents (so AvalonEdit isn't appropriate). Cheers

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• Dynamically populate an InfoPath DropownList with managed code

  - by Jared

  I have an InfoPath form with custom C# code, and a Sharepoint list. I have a dropdownlist in the InfoPath form that I want to populate with a certain field from the Sharepoint list (I want the InfoPath dropdownlist to contain this field's value from every item in the Sharepoint list. I can successfully get the list of values I need from Sharepoint in my managed code, but I do not see how I can get these values into the dropdownlist (either bind to the list, or add each item in the list one by one). I thought I could modify the XML of the dropdownlist to insert my items, but the XML only contains the first item in the dropdownlist: <my:RelatedRiskID xmlns:my="http://schemas.microsoft.com/office/infopath/2003/myXSD/2009-07-20T18:12:59">Option 1</my:RelatedRiskID> I feel like this should be possible, but I can't find any resources on how to do it. Thanks in advance for the help. Jared

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• JTable's and DefaultTableModel's row indexes lose their synchronization after I sort JTable

  - by Stefanos Kargas

  JAVA NETBEANS // resultsTable, myModel JTable resultsTable; DefaultTableModel myModel; //javax.swing.table.DefaultTableModel myModel = (DefaultTableModel) resultsTable.getModel(); // event of clicking on item of table String value = (String) myModel.getValueAt(resultsTable.getSelectedRow(), columnIndex) I use JTable and DefaultTableModel to view a table of various info and I want to get a value of a certain column of the selected index of the table. The code I wrote above works fine except when: I use the sort of the GUI (click on the field name I want to sort on the table) The table is properly sorted but after that when I select a row, it gets the value of the row that was there before the sort. This means that after sorting (using the JTable's GUI) the 'myModel' and 'resultsTable' objects have different row indexes. How do I synchronize those two?

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• Retry web service call if authentication failure requires re-login

  - by Pete

  I'm consuming a web service from C#, and the web service requires a login call and then uses cookie sessions. The web service will time out sessions after a certain timeframe, after which the client will have to re-login. I'd like to find a way to automatically catch the soap fault the service sends back in this scenario, and handle it by re-logging in and then retrying the previously attempted call. I would prefer to do this somehow automatically for all the web service methods in question, rather than having to manually wrap the calls with the retry logic. Suggestions?

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• Rhino Mocks verify a private method is called from a public method

  - by slowcelica

  I have been trying to figure this one out, how do i test that a private method is called with rhino mocks with in the class that I am testing. So my class would be something like this. Public class Foo { public bool DoSomething() { if(somevalue) { //DoSomething; } else { ReportFailure("Failure"); } } private void ReportFailure(string message) { //DoSomeStuff; } } So my unit test is on class Foo and method DoSomething() I want to check and make sure that a certain message is passed to ReportFailure if somevalue is false, using rhino mocks.

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• Manual testing Vs Automated testing

  - by mgj

  Respected all, As many know testing can be mainly classified into manual and automated testing. With regard to this certain questions come to mind. Hope you can help... They include: What is the basic difference between the two types of testing? What are the elements of challenges involved in both manual and automated testing? What are the different skill sets required by a software tester for manual and automated testing respectively? What are the different job prospects and growth opportunities among software testers who do manual testing automated testing respectively? Is manual testing under rated to automated testing in anyway(s)? If yes, kindly specify the way. How differently are the manual testers treated in comparison to automated testers in the corporate world?( If they truly are differentiated in any terms as such ) I hope you can share your knowledge in answering these questions.. Thank you for your time..:)

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• C# How to communicate between 2 servers

  - by Chau

  I have a website running ASP.NET (C#) on server A. I need my website to access a webservice on server B. server B will only accept incoming requests if the requestee is located within a certain IP range and server A is not within this range. I have a server server C which is located within the IP range and the only thing blocking server A from server C is a firewall (which I have access to). It must be possible to create a hole in the firewall between server A and server C, but my question is: How do I relay the request from server A to server B via server C? I need the response from server B to get back to server A also :) Thanks in advance.

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• What's the shebang in Facebook URLs for?

  - by BoltClock

  I've just noticed that the long, convoluted Facebook URLs that we're used to now look like this: http://www.facebook.com/example.profile#!/pages/Some-Other-Page/123456789012345 As far as I can recall, earlier this year it was just a normal URL-fragment-like string (starting with #), without the exclamation mark. But now it's a shebang (#!), which I've previously only seen in shell scripts and Perl scripts. Does #! now play some special role in URLs, like for a certain Ajax framework or something since Facebook's interface is now largely Ajaxified? Or is it for some other purpose?

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• Preventing mouse emulation events (ie click) from touch events in Mobile Safari / iPhone using Javas

  - by Jaime Cham

  In doing a single page Javascript app with interactive DOM elements I've found that the "mouseover-mousemove-mousedown-mouseup-click" sequence happens all in a bunch after the "touchstart-touchmove-touchend" sequence of events. I've also found that it is possible to prevent the "mouse*-click" events from happening by doing an "event.preventDefault()" during the touchstart event, but only then, and not during the touchmove and touchend. This is a strange design, because because it is not possible to know during the touchstart yet whether the user intents to drag or swipe or just tap/click on the item. I ended up setting up a "ignore_next_click" flag somewhere tied to a timestamp, but this is obviously not very clean. Does anybody know of a better way of doing this, or are we missing something? Note that while a "click" can be recognized as a "touchstart-touchend" sequence (ie no "touchmove"), there are certain things, such as keyboard input focus, that can only happen during a proper click event.

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• NHibernate illegal access to loading collection error

  - by Rob

  I'm getting the error "Illegal acces to loading collection" when i'm trying to get a list of variants belonging to a certain product. The NHibernate mapping is as below; <list name="Variants" lazy="false" cascade="save-update" inverse="false" table="PluginProduct_ProductVariant"> <key column="ProductId" /> <index column="Ordinal" /> <one-to-many class="Plugin.Product.Business.Entities.Variant, Plugin.Product" /> </list> </joined-subclass> I already tried chancing the laziness and inverse properties as suggested in other topics on this site, but they didn't do the trick.

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• [WPF C#]Get UserControl or VisualTree in DataValidation of TextBlock

  - by dalind

  Hy, I have a validator set on the text property of a textblock. For a correct validation I would need the parent usercontrol of the textblock, but the only things I have in the validator are the value object (a string) and the culture (doesn't help either). Does anyone know a way to get certain usercontrols in a class/a method where I have no access to any kind of visual or control of my application. The problem could be solve if I could give the validator the usercontrol or the textblock as parameters, but I didn't find a way to do so.. Thank you very much for your answers. Greets

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• Need to parse HTML document for links-- use a library like html5lib or something else?

  - by Luinithil

  I'm a very newbie webpage builder, currently working on creating a website that needs to change link colours according to the destination page. The links will be sorted into different classes (e.g. good, bad, neutral) by certain user input criteria-- e.g. links with content the user would find of interest is colored blue, stuff that the user (presumably) doesn't want to see is colored as normal text, etc. I reckon I need a way to parse the webpage for links to the content (stored in MySQL database), change the colors for all the links on the page (so I need to be able to change the link classes in the HTML as well) before outputting the adapted page to the user. I read that regex is not a good way to find those links-- so should I use a library, and if so, is html5lib good for what I'm doing?

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• Maven SVN checkout example

  - by c0mrade

  Concerning my previous question - http://stackoverflow.com/questions/2622191/is-there-a-svn-maven , I went trough usage page - http://maven.apache.org/scm/maven-scm-plugin/usage.html didn't found quite what I was looking for, here what I would like to do : Checkout list of projects which I specify for ex : http://mysvnurl/myprojectname where I could parametrize the project name Then lets say if there is 3-4 or n number of sub-projects(modules)(for which I can specify the names as well) that I want to checkout, and that I could specify branch(trunk) and revision. To simplify : Checkout certain sub-projects(modules) trunk of myprojectname Ex : http://mysvnurl/myprojectname/project1/trunk/* // get everything http://mysvnurl/myprojectname/project2/trunk/* // get everything How would I do that with maven, can someone with more expirience explain how to do this or point me to somewhere where I can read how to, I've googled nothing specific to my needs. Thank you

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• c# XML add an XML node as a child to a particular other node

  - by kacalapy

  I have an XML doc with a structure like this: <Book> <Title title="Door Three"/> <Author name ="Patrick"/> </Book> <Book> <Title title="Light"/> <Author name ="Roger"/> </Book> I want to be able to melodramatically add XML nodes to this XML in a particular place. Lets say I wanted to add a Link node as a child to the author node where the name is Roger. I think it's best if the function containing this logic is passed a param for the name to add an XML node under, please advise and what's the code I need to add XML nodes to a certain place in the XML? Now I am using .AppendChild() method but it doesn't allow for me to specify a parent node to add under...

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• calculating the potential effect of inaccurate triangle vertex positions on the triangle edge lenght

  - by stingrey

  i'm not sure how to solve the following problem: i have a triangle with each of the three known vertex positions A,B,C being inaccurate, meaning they can each deviate up to certain known radii rA, rB, rC into arbitrary directions. given such a triangle, i want to calculate how much the difference of two specific edge lengths (for instance the difference between lengths of edge a and edge b) of the triangle may change in the worst case. is there any elegant mathematical solution to this problem? the naive way i thought of is calculating all 360^3 angle combinations and measuring the edge differences for each case, which is a rather high overhead.

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• How listen for UIButton state change?

  - by morticae

  I'm extending UIButton with generic functionality to change certain appearance attributes based on the displayed title. In order to do this, I need to detect and respond to changes in the "state" property. This is so I make sure the appearance is adjusted properly if the user has set different titles for different states. I assumed I would need to use some sort of KVO like the following: [self addObserver:self forKeyPath:@"state" options:NSKeyValueObservingOptionNew context:nil]; But this does not seem to fire the observeValueForKeyPath:... method for @"state" or @"currentTitle". I assume this is because UIButton does not implement the KVO pattern for those properties. I do not want to just listen for clicks. Those events cause a state change, but are not the only potential causes. Does anyone know a way to listen to and respond to state changes of a UIButton? Thanks

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• Restrict RDP port based on a Dynamic DNS

  - by webnoob

  Hi All, I want to set a restriction on my firewall (windows firewall on windows 2008) to only allow connections from a certain dynamic DNS. Is this possible? The reason I ask is that this would allow us to just change the IP on the dynamic DNS if our IP changes and means we won't get locked out of RDP. This also allows me to RDP in from other locations that have IP's that are not static by just changing the IP against the DNS. Any ideas. Thanks in advance.

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