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• PHP ZF: I can't debug my IndexController.php actions code

  - by overthetop

  Hi I'm new to php and I'm using xampp, eclipse pdt, xdebug. I've set xdebug so that I can debug my site on apache but when I click 'debug as web page' in the eclipse ide only the breakpoint in the public/index.php and in the views get hit. If I put a breakpoin here public function indexAction() { // action body $this->view->s = "deam"; } the debugger don't stop?! why is that? I can't debug the most important part of my application. :( Plese help me with this.

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• js regexp problem

  - by Alexander

  I have a searching system that splits the keyword into chunks and searches for it in a string like this: var regexp_school = new RegExp("(?=.*" + split_keywords[0] + ")(?=.*" + split_keywords[1] + ")(?=.*" + split_keywords[2] + ").*", "i"); I would like to modify this so that so that I would only search for it in the beginning of the words. For example if the string is: "Bbe be eb ebb beb" And the keyword is: "be eb" Then I want only these to hit "be ebb eb" In other words I want to combine the above regexp with this one: var regexp_school = new RegExp("^" + split_keywords[0], "i"); But I'm not sure how the syntax would look like. I'm also using the split fuction to split the keywords, but I dont want to set a length since I dont know how many words there are in the keyword string. split_keywords = school_keyword.split(" ", 3); If I leave the 3 out, will it have dynamic lenght or just lenght of 1? I tried doing a alert(split_keywords.lenght); But didnt get a desired response

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• SHA1CryptoServiceProvider changed in .NET 4

  - by WebDude

  I am currently trying to upgrade a project of mine from .NET 3.5 to .NET 4.0 Everything was going really well, all code compiled, all tests passed. Then I hit a problem deploying to my stagomg environment. Suddenly my logins were no longer working. It seems my SHA1 hashed passwords are being hashed differently in .NET 4. I am using the SHA1CryptoServiceProvider: SHA1CryptoServiceProvidercryptoTransformSHA1 = new SHA1CryptoServiceProvider(); To test I created a new Visual Studio project with 2 console applications. The first targeted at .NET Framework 3.5 and the second at 4.0. I ran exactly the same hashing code in both and different results were produced. Why is this happening and how can I fix this? I obviously cannot go update all of my users passwords considering I do not know what they are. Any help would be greatly appreciated.

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• Avoiding "variable might not have been initialized"

  - by Mason Wheeler

  I recently ran across a routine that looks something like this: procedure TMyForm.DoSomething(list: TList<TMyObject>; const flag: boolean); var local: integer; begin if flag then //do something else local := ExpensiveFunctionCallThatCalculatesSomething; //do something else for i := 0 to list.Count do if flag then //do something else if list[i].IntValue > local then //WARNING HERE //do something else end; This gives Variable 'local' might not have been initialized even though you can tell by reading the code that you won't hit that line unless the code branch that initializes it has run. Now, I could get rid of this warning by adding a useless local := 0; at the top of the procedure, but I wonder if there might not be a better way to structure this to avoid the issue. Anyone have any ideas?

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• Overriding the admin Media class

  - by shacker

  Given an admin media class that sets up a rich text editor, like: class TutorialAdmin(admin.ModelAdmin): fields... class Media: js = ['/paths/to/tinymce.js',] I would like the ability to selectively override js depending on a field value in the model it references. I've added a "use_editor" boolean to the Tutorial model. The question is, how can I detect whether the current instance has that bool set? I'd like to end up with something like: class Media: if self.use_editor: js = ['/path/to/tinymce.js',] else: js = '' Ideas? Thanks.

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• LuaInterface - how to register overloaded methods?

  - by JeffreySadeli

  Hello world! I'm trying to integrate Lua to my C# app when I hit a little snag. I was hoping someone with more expertise could help point me to the right direction. Let's say I have the following C# methods: public void MyMethod(int foo) { ... } public void MyMethod(int foo, int bar) { ... } I would like to register it to my Lua script environment so that I can do something like this: -- call method with one param MyMethod(123) -- call method with two params MyMethod(123, 456) I tried RegisterFunction("MyMethod", this, this.GetType().GetMethod("MyMethod")) but it reasonably complains about ambiguous match. Any ideas?

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• Mac OS X: Best way to do runtime check for retina display?

  - by Todd Ditchendorf

  Given a Cocoa application which runs on Mac OS X 10.7 and later: What is the best way to check, at runtime, if your app is currently running on a Mac with at least one retina display attached? If checking for this sort of thing is just really wrong-headed, I fully welcome a well-reasoned explanation of why. But I'd still like to know :). It seems likely you could just do a check specifically for the new Mac Book Pro "Retina" hardware (the only Mac at this time which currently has a retina display), but ideally, I'd really prefer a more general/generic/future-proof way to check than this. Ideally, I'd like to know how to detect the retina display, not the specific Mac model which currently happens to ship with a retina display.

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• How to Schedule a Process.Start in WPF

  - by Chi Chan

  I am trying to restart an application in WPF. I tried the following: Process.Start(Application.ExecutablePath); Process.GetCurrentProcess().Kill(); And it doesn't work because the application is setup as a single instances application. Then I tired this: Process.GetCurrentProcess().Kill(); Process.Start(Application.ExecutablePath); And it doesn't work because once we Kill the process it will not hit line 2 Is there a way to schedule a the .Start so that I don't run into issue #1.

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• Missing on-screen keyboard for Flash/Flex web application on Android?

  - by HDave

  I have an enterprise Flex web application, served up over https, that runs fine on Flash player 10.0 and beyond from a desktop computer/browser. However, when I run it from my HTC Incredible with Android 2.2 the app loads fine, but there is no on-screen keyboard and so I cannot log in. I can see the blinking cursor inside the username and password text fields. I can switch between them. I can even hit the login button and see an authentication error! According to Adobe this should Just Work. Any ideas? I wanna show off our spanking new app to strangers at the bus stop!

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• How and when to log account access login with PHP?

  - by Nazgulled

  I want to implement a basic login system in some PHP app where no cookies will be involved. I mean, the user closes the browser and the login expires, it will remain active during the browser session (or if the user explicitly logs out) otherwise. I want to log all this activity and I'm thinking that every time the user refreshes the page, opens a different link or logs out, I record that time as the last access made by that user, overwriting the previous access log. But my problem is when and how should I insert another record into the database instead of overwriting the last one? Should I just define a timeout and if the last access was made above that timeout, another log should be inserted into the database? Should the session expire too after that timeout? Or is there a better way? Ideally, I would like to log the "log out action" when the browser was closed, but I don't think there's a way to detect that is there? Suggestions?

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• Why does my program occasionally segfault when out of memory rather than throwing std::bad_alloc?

  - by Bradford Larsen

  I have a program that implements several heuristic search algorithms and several domains, designed to experimentally evaluate the various algorithms. The program is written in C++, built using the GNU toolchain, and run on a 64-bit Ubuntu system. When I run my experiments, I use bash's ulimit command to limit the amount of virtual memory the process can use, so that my test system does not start swapping. Certain algorithm/test instance combinations hit the memory limit I have defined. Most of the time, the program throws an std::bad_alloc exception, which is printed by the default handler, at which point the program terminates. Occasionally, rather than this happening, the program simply segfaults. Why does my program occasionally segfault when out of memory, rather than reporting an unhandled std::bad_alloc and terminating?

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• Google App Engine - Dealing with concurrency issues of storing an object

  - by Spines

  My User object that I want to create and store in the datastore has an email, and a username. How do I make sure when creating my User object that another User object doesn't also have either the same email or the same username? If I just do a query to see if any other users have already used the username or the email, then there could be a race condition. UPDATE: The solution I'm currently considering is to use the MemCache to implement a locking mechanism. I would acquire 2 locks before trying to store the User object in the datastore. First a lock that locks based on email, then another that locks based on username. Since creating new User objects only happens at user registration time, and it's even rarer that two people try to use either the same username or the same email, I think it's okay to take the performance hit of locking. I'm thinking of using the MemCache locking code that is here: http://appengine-cookbook.appspot.com/recipe/mutex-using-memcache-api/ What do you guys think?

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• ASP.NET MVC v1 project upgraded to VS 2010 no longer will debug. Why?

  - by Todd Brooks

  I'm getting the message "The breakpoint will not currently be hit. No symbols have been loaded for this document." I have a S#arp Architecture project (ASP.NET MVC v1) that has been opened and upgraded to be used in VS 2010. I can no longer debug the project. I'm running Windows 7 Ultimate x64 and Visual Studio 2010 Ultimate. I have IE set to be my default browser. I have the build set to debug. System.Web.Mvc is referenced in my project's lib dir. I've cleaned the solution. I've recompiled the solution. It's set to use .NET Framework 3.5. PDBs are being created and dropped into the bin directory with the DLLs. Any help will be greatly appreciated.

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• Getters and Setters: Code smell, Necessary Evil, or Can't Live Without Them [closed]

  - by Avery Payne

  Possible Duplicate: Allen Holub wrote “You should never use get/set functions”, is he correct? Is there a good, no, a very good reason, to go through all the trouble of using getters and setters for object-oriented languages? What's wrong with just using a direct reference to a property or method? Is there some kind of "semantical coverup" that people don't want to talk about in polite company? Was I just too tired and fell asleep when someone walked out and said "Thou Shalt Write Copious Amounts of Code to Obtain Getters and Setters"? Follow-up after a year: It seems to be a common occurrence with Java, less so with Python. I'm beginning to wonder if this is more of a cultural phenomena (related to the limitations of the language) rather than "sage advice". The -1 question score is complete for-the-lulz as far as I am concerned. It's interesting that there are specific questions that are downvoted, not because they are "bad questions", but rather, because they hit someone's raw nerve.

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• Regular Expression Pattern for C# with matches

  - by Sumit Gupta

  I am working on project where I need to find Frequency from a given text. I wrote a Regular expression that try to detect frequency, however I am stuck with how C# handle it and how exactly I use it in my software My regular experssion is (\d*)(([,\.]?\s*((k|m)?hz)*)|(\s*((k|m)?hz)*))$ And I am trying to find value from 23,2 Hz 24,4Hz 25,0 Hzsadf 26 Hz 27Khz 28hzzhzhzhdhdwe 29 30.4Hz 31.8 Hz 4343.34.234 Khz 65SD Further Explanation: System needs to work for US and Belgium Culture hence, 23.2 (US) = 23,2 (Be) I try to find a Digit, followed by either khz,mhz,hz or space or , or . If it is , or . then it should have another Digit followed by khz, mhz, hz Any help is appericated.

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• jquery hover menu question

  - by vondip

  Hi all, I am developing a small web app that uses jquery quite a lot. In my app a user can hover an image, which becomes bigger after a few seconds, giving him more details. The problem is that when the image enlarges the image, it takes over the area of the nearby images as well. Now, if the user goes over the second red square (numbered as 2) I would like the currently enlarged image to disappear and instead enlarge the image pictured below as square two. I am not much of a painter, but I have attached a small image to help illustrate the problem. In short, How can I tell jquery to detect when the mouse is over red square number two, yet not raising the event if the mouse is over green square. [in my demo picture, hovering on point]

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• release vs setting-to-nil to free memory

  - by Dan Ray

  In my root view controller, in my didReceiveMemoryWarning method, I go through a couple data structures (which I keep in a global singleton called DataManager), and ditch the heaviest things I've got--one or maybe two images associated with possibly twenty or thirty or more data records. Right now I'm going through and setting those to nil. I'm also setting myself a boolean flag so that various view controllers that need this data can easily know to reload. Thusly: DataManager *data = [DataManager sharedDataManager]; for (Event *event in data.eventList) { event.image = nil; event.thumbnail = nil; } for (WondrMark *mark in data.wondrMarks) { mark.image = nil; } [DataManager sharedDataManager].cleanedMemory = YES; Today I'm thinking, though... and I'm not actually sure all that allocated memory is really being freed when I do that. Should I instead release those images and maybe hit them with a new alloc and init when I need them again later?

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• MVC without ORM is not real MVC?

  - by ajsie

  at the moment im integrating ORM (doctrine) into a MVC framework (codeigniter). then it hit me that this was the obvious way of setting up a MVC: the controller calls the models that are representing database tables. look at this picture: MVC + ORM then i wondered, how can a MVC without ORM be real MVC? cause then the models are not real objects, rather aggregations of different functions that perform CRUD, then returning the result to the controller. and there is no need for a state (object properties) i guess so the functions would be all static? correct me if im wrong on this one. i guess a lot of people are using models without ORM. please share your thoughts. how do your models look like?

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• Find value of selected item in Drop down menu.

  - by Ozaki

  I have a drop down menu in an ASPX page along the lines of: <form> <select name="cars"> <option value="volvo">Volvo</option> <option value="saab">Saab</option> <option value="fiat" selected="selected">Fiat</option> <option value="audi">Audi</option> </select> </form> That is dynamically generated from another controller (value and label). After the user selects one of the options I need to find out what the selected value/label (will be the same) is so I can hit an update button and retrieve the data on that option. What would be the easiest way to find out the value of the user "selected" option?

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• Rails: Routing to a different controller based on request format

  - by Jimmy Cuadra

  I'm writing an app where I want all requests for HTML to be handled by the same controller action. I have some other routes that are JSON-specific. Here's what my routes look like: Blog::Application.routes.draw do constraints format: :json do resources :posts end match "(*path)" => "web#index" end The problem is that constraints is being interpreted as "this route only works with the specified format" rather than "skip this route and try the next one if the request is not in the specified format." In other words, navigating to /posts in the browser gives me a 406 Not Acceptable because the URL is constrained to the JSON format. Instead, I want it to fall through to web#index if the request is for HTML, and hit the resourceful route if the request is for JSON. How can this be achieved? (Using Rails 3.2.9.)

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• Approximate photo of a simple drawing using lines

  - by user3704596

  As an input I have a photo of a simple symbol, e.g.: https://www.dropbox.com/s/nrmsvfd0le0bkke/symbol.jpg I would like to detect the straight lines in it, like points of start and ends of the lines. In this case, assuming the top left of the symbol is (0,0), the lines would be defined like this: start end (coordinates of beginning and end of a line) 1. (0,0); (0,10) (vertical line) 2. (0,10); (15, 15) 3. (15,15); (0, 20) 4. (0,20); (0,30) How can I do it (pereferably using OpenCV)? I though about Hough lines, but they seem to be good for perfect thin straight lines, which is not the case in a drawing. I'll probably work on binarized image, too.

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• Problems debugging using Cygwin gdb in Eclipse CDT(Helios)

  - by Rohan

  I am trying to debug an application using Eclipse CDT and cygwin gdb and I am facing a problem if my code calls Sleep(), it looks like whenever a sleep is encountered in the code the debugger seems to go in an infinite loop(I meant it never terminates or hit a breakpoint after sleep). On pressing pause the code is stuck on one of the thread on sigint::interrupt. Even my debugger console windows throw these error in the console output: [New thread 5968.0x1f98] Error: dll starting at 0x774a0000 not found. Error: dll starting at 0x775c0000 not found. [New thread 5968.0x19e8] Any idea what are these errors about? It would be helpful if someone can help me out here as I am new to eclipse and I am used to using VS so it has made be lazy to be honest and expect things to work out of box. Here are more details if required Windows 7 x64 bit. Eclipse 3.6 Helios with CDT plug-in compiled from the CVS head. Cygwin latest from website, I think it is 1.71

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• Bash variable kills script execusion

  - by Kyle Terry

  Sorry if this is better suited at serverfault, but I think it learns more towards the programming side of things. I have some code that's going into /etc/rc.local to detect what type of touch screen monitor is plugged in and changes out the xorg.conf before launching X. Here is a small snippet: CURRENT_MONITOR=`ls /dev/usb | grep 'egalax_touch\|quanta_touch'` case $CURRENT_MONITOR in '') CURRENT_MONITOR='none' ;; esac If one of those two touch screens is plugged in, it works just fine. If any other monitor is plugged in, it stops at the "CURRENT_MONITOR=ls /dev/usb | grep 'egalax_touch\|quanta_touch'." For testing I touched two files. One before creating CURRENT_MONITOR and one after CURRENT_MONITOR and only file touched before is created. I'm not a bash programmer so this might be something very obvious.

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• Netbeans GUI editor problems

  - by RenegadeAndy

  Hey guys. Im making a portion of my app using the netbeans gui editor. Great so far. However ive added a new checkbox - and when i load the panel in my app the text attribute isnt shown...its just blank as if i have no caption on it... all the other ones display - so this is very annoying. It kind of seems that I have hit the limit on gui items or something, becasue any new items I add I cannot seem then, If i add new labels they dont show either :S! The other problems Im having are that the size of the window im editting appears to be fixed - every time i change it, it jumps back to the same size - how do i stop this from happening? Cheers Andy

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• Help using Lisp debugger

  - by Joel

  I'm trying understand how to interpret the output of, and use, the Lisp debugger. I've got a pretty simple Backtrace for the evaluation of my function, but I cann't seem to work out how to use it to find out in which Lisp 'form' in my function the exception occurred. I'd appreciate any clues as to what I should be doing, to find the source of the error. I've attached a screen shot (if it's too small to read I can re-post it in parts), with the debug output, the function and the repl (please ignore my very wrong function, I'm just interested in learning how to use the debugger properly). In addition, I hit 'v' on the first frame to go to the source, but this resulted in the error at the bottom of the screen.

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