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• JavaScript / HTML highlighting / debugging in Eclipse using PhoneGap

  - by Jason Hartley

  I am writing an app using PhoneGap for Android in Eclipse. Since the project is an Android project, it's in a Java perspective. For whatever reason, Eclipse won't highlight HTML and JavaScript for me while in an Android/Java project/perspective and switching to the JavaScript perspective doesn't highlight the code either. Without highlighting or debugging tools, the debug process is very slow. How do I tell Eclipse to highlight HTML and JavaScript for me while working in a Java Environment?

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• How to get headers into framework in Xcode?

  - by john146

  I'm trying to build a framework for MacOS in Xcode 3. It looks like it's building everything except the Headers directory according to the layout listed in the Apple documentation. I can't find anything that tells me what settings to use to get the build process to copy the headers into Headers directory in the framework, or alternately where I have to put those files. Any help? Thanks.

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• How to keep PayPal variables secure

  - by dclowd9901

  I'm trying to link my 3rd party shopping cart to PayPal, and in the process I'm finding that my variables are extremely exposed, such that, if someone uses, say, Firebug, to manipulate the values of my variables, they can change the cost of the items in the transaction. I'm very new to online carts and shopping, so my question is how do I keep this layer of exposure away from users and secure for the website?

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• Checking if app can run without admin rights?

  - by overtherainbow

  Hello To get Windows users to log on as regular users instead of admin, I need to check that all their applications run OK with limited rights. Is there an application specifically aimed at checking that an application can run with limited rights, or is SysInternals' Process Monitor what everyone uses for this purpose? Thank you.

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• Methods A and B call method C. Now how to find out inside C who called it?

  - by Aseem Gautam

  I have some code in method C that will get executed based upon the who called it. public void C() { if(A called me) { .... } if(B called me) { .... } } One way is to use a flag variable. Set the variable before calling C and then inside C process the flag. Any other ideas?

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• Java configuration framework

  - by Steen

  I'm in the process of weeding out all hardcoded values in a java library and was wondering what framework would be the best (in terms of zero- or close-to-zero configuration) to handle run-time configuration? I would prefer xml-based config-files, but it's not essential. Please do only reply if you have practical experience with a framework. I'm not looking for examples, but experience... Thanks for taking the time.

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• Pass value from one ASP.NET app to another via HTTP Header

  - by Whiskey-Tango-Foxtrot

  We are implementing a single sign on mechanism in an enterprise environment, where the token is shared between applications using HTTP header. Now, in order to do the integration test, I need to write an application to simulate this. Is there any way in ASP.NET where I can redirect to another web-page and pass a custom HTTP header in the process? Thanks

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• Pickling a class definition

  - by Giorgio

  Is there a way to pickle a class definition? What I'd like to do is pickle the definition (which may created dynamically), and then send it over a TCP connection so that an instance can be created on the other end. I understand that there may be dependencies, like modules and global variables that the class relies on. I'd like to bundle these in the pickling process as well, but I'm not concerned about automatically detecting the dependencies because it's okay if the onus is on the user to specify them.

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• Sequential (comb) GUIDs for Oracle

  - by Eyvind

  We are in the process of switching from the C# Guid.NewGuid() random-ish guid generator to the sequential guid algorithm suggested in this post. While this seems to work well for MS SQL Server, I am unsure about the implications for Oracle databases, in which we store guids in a raw(16) field. Does anyone have any insight as to whether this algorithm would be good for creating sequential guids for Oracle as well as for MS SQL Server, or if a different variant should be used. Thanks!

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• UI template with big controls

  - by Bumble Bee

  Im not sure if this question is appropriate to go in here but after some hard effort in google I had no option but to post this here. I'm in the process of doing some UIs for a touch screen, but not sure how the template should look like. e.g. how big the buttons/text/labels should be. If anyone has experience in doing s similar stuff, pls share some references you have. thanks BB

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• Android: How would you make Buttons un-clickable for some period ?

  - by Hubert

  I've got some Buttons that I want to make un-clickable (but still appear on the screen) until another process (thread) has finished its work ? How would you do this ? The goal is to avoid my users to keep clicking on this button and so, launching a new thread every time they click on it ... Thanks for your help. Hubert

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• C# multiple asynchronous HttpRequest with one callback

  - by aepheus

  I want to make 10 asynchronous http requests at once and only process the results when all have completed and in a single callback function. I also do not want to block any threads using WaitAll (it is my understanding that WaitAll blocks until all are complete). I think I want to make a custom IAsyncResult which will handle multiple calls. Am I on the right track? Are there any good resources or examples out there that describe handling this?

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• What are the top javascript pitfalls?

  - by googletorp

  I'm planing on giving an introduction talk on JavaScript and in the preparation process I wondered what the top pitfalls are that rookies fall into. I know I've had a few gotchas before I fully understood closure, but much of the strange behavior in JavaScript is not something I think about any more... So, which pitfalls should you deffinately point out to the rookies?

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• Hadoop: Processing large serialized objects

  - by restrictedinfinity

  I am working on development of an application to process (and merge) several large java serialized objects (size of order GBs) using Hadoop framework. Hadoop stores distributes blocks of a file on different hosts. But as deserialization will require the all the blocks to be present on single host, its gonna hit the performance drastically. How can I deal this situation where different blocks have to cant be individually processed, unlike text files ?

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• Date format broken in .net 4.0 for uk format

  - by Chris Foot

  I'm in the process of converting a couple of sites up to .net 4.0 and I seem to have a problem with regionalisaion of dates. This code: Date.Today.AddDays((Date.Today.DayOfWeek - 1) * -1).ToString() In .net 3.5 produces: '19/04/2010 00:00:00' but as soon as I change the app pool to 4.0 it produces: '4/19/2010 12:00:00 AM' Where can I change the setting that governs this?

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• Trying to attach to my windows service but shows as disabled in available processes.

  - by Achilles

  I'm trying to attach to a windows service I am running to debug it however the "Available Processes" list under "Attach to Process" it shows as disabled and won't allow me to attach. What am I missing?

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• Texturing Issue when Overlaying images onto Camera preview SurfaceView

  - by Dervis Suleyman

  I am in the process of making an augmented reality application and I have successfully overlaid a 3d cube over a camera surface view. The Issue now is when I add a Texture the cube then flickers(with the texture on it) and disappears leaving the camera preview upon further research i discovered that the cube with the texture was disappearing behind the Camera preview. My Question is has anyone else had this issue and if yes what approach did you take to solve this. Heres another strange Issue when i take a print screen the cube is on-top of the camera Preview

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• Image upload storage strategies

  - by MatW

  When a user uploads an image to my site, the image goes through this process; user uploads pic store pic metadata in db, giving the image a unique id async image processing (thumbnail creation, cropping, etc) all images are stored in the same uploads folder So far the site is pretty small, and there are only ~200,000 images in the uploads directory. I realise I'm nowhere near the physical limit of files within a directory, but this approach clearly won't scale, so I was wondering if anyone had any advice on upload / storage strategies for handling large volumes of image uploads.

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• Sitecore E-Commerce Module - Discount/Promotional Codes

  - by Zachary Kniebel

  I am working on a project for which I must use Sitecore's E-Commerce Module (and Sitecore 6.5 rev. 120706 - aka 'Update 5') to create a web-store. One of the features that I am trying to implement is a generic promotional/discount code system - customer enters a code at checkout which grants a discount like 'free shipping', '20% off', etc. At the moment, I am looking for some guidance (a high-level solution, a few pseudo-ideas, some references to review, etc) as to how this can be accomplished. Summary: What I am looking for is a way to detect whether or not the user entered a promo code at a previous stage in the checkout line, and to determine what that promo code is, if they did. Progress Thus Far: I have thoroughly reviewed all of the Sitecore E-Commerce Services (SES) documentation, especially "SES Order Line Extension" documentation (which I believe will have to be modified/extended in order to accomplish this task). Additionally, I have thoroughly reviewed the Sitecore Community article Extending Sitecore E-Commerce - Pricing and believe that it may be a useful guide for applying a discount statically, but does not say much in the way of applying a discount dynamically. After reviewing these documents, I have come up with the following possible high-level solution to start from: I create a template to represent a promotional code, which holds all data relevant to the promotion (percent off, free shipping, code, etc). I then create another template (based on the Product Search Group template) that holds a link to an item within a global "Promotional Code" items folder. Next, I use the Product Search Group features of my new template to choose which products to apply the discount to. In the source code for the checkout I create a class that checks if a code has been entered and, if so, somehow carry it through the rest of the checkout process. This is where I get stuck. More Details: No using cookies No GET requests No changing/creating/deleting items in the Sitecore Database during the checkout process (e.g., no manipulation of fields of a discount item during checkout to signal that the discount has been applied) must stay within the scope of C# Last Notes: I will update this post with any more information that I find/progress that I make. I upgrade all answers that are relevant and detailed, thought-provoking, or otherwise useful to me and potentially useful to others, in addition to any high-level answers that serve as a feasible solution to this problem; even if your idea doesn't help me, if I think it will help someone else I will still upgrade it. Thanks, in advance, for all your help! :)

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• WPF: How to refresh a window while debugging?

  - by Qwertie

  I am debugging an algorithm that is being represented by a set of ViewModels. In order to debug this algorithm I would like to redraw the View while stepping through part of the algorithm. Is this possible? (I would prefer to just repaint, not do what they call "DoEvents" to process all events.)

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• Heroku + Yii "Application runtime path is not valid"

  - by JStriedinger

  I'm trying to deploy a Yii webapp into Heroku but, it keep throwing at me a weird error: Application runtime path "/app/www/protected/runtime" is not valid. Please make sure it is a directory writable by the Web server process. Makes no sense and I know is something to do with Heroku because in my local machine it works fine. Does anyone what does this means? what do I need to do in Heroku ti fix this?? Many thanks.

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• linq: how to transform list by performing calculations on every element

  - by bzamfir

  Hi, I have a class Class MyObject { decimal v1; decimal dv1; decimal v2; decimal dv2; } and a List<MyObject> ... I need to process every element of the list by adding dv1 to v1 and dv2 to v2 Something like (pseudo-syntax): myList.Transform(o=>o.v1+=o.dv1, o.v2+=o.dv2) How can I do this (obvious my pseudo-syntax doesn't works)? Thank you

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• Any tips on how to build Erlang Beam files?

  - by Zubair

  I am currently using: c(module_name) : to build my Erlang files ones by one, and I was wondering about how other people handle the build process for Erlang when they have multiple files

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• Problems with making a simple UNIX shell

  - by Kodemax

  Hai, I am trying to create a simple shell in UNIX. I read a lot and found that everybody uses the strtok a lot. But i want to do without any special functions. So i wrote the code but i cant seem to get it to work. Can anybody point out what i am doing wrong here? void process(char**); int arg_count; char **splitcommand(char* input) { char temp[81][81] ,*cmdptr[40]; int k,done=0,no=0,arg_count=0; for(int i=0 ; input[i] != '\0' ; i++) { k=0; while(1) { if(input[i] == ' ') { arg_count++; break; } if(input[i] == '\0') { arg_count++; done = 1; break; } temp[arg_count][k++] = input[i++]; } temp[arg_count][k++] = '\0'; if(done == 1) { break; } } for(int i=0 ; i<arg_count ; i++) { cmdptr[i] = temp[i]; cout<<endl; } cout<<endl; } void process(char* cmd[]) { int pid = fork(); if(pid < 0) { cout << "Fork Failed" << endl; exit(-1); } else if( pid == 0) { cout<<endl<<"in pid"; execvp(cmd[0], cmd); } else { wait(NULL); cout << "Job's Done" << endl; } } int main() { cout<<"Welcome to shell !!!!!!!!!!!"<<endl; char input[81]; cin.getline(input,81); splitcommand(input); }

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• Abnormally disconnected TCP sockets and write timeout

  - by James

  Hello I will try to explain the problem in shortest possible words. I am using c++ builder 2010. I am using TIdTCPServer and sending voice packets to a list of connected clients. Everything works ok untill any client is disconnected abnormally, For example power failure etc. I can reproduce similar disconnect by cutting the ethernet connection of a connected client. So now we have a disconnected socket but as you know it is not yet detected at server side so server will continue to try to send data to that client too. But when server try to write data to that disconnected client ...... Write() or WriteLn() HANGS there in trying to write, It is like it is wating for somekind of Write timeout. This hangs the hole packet distribution process as a result creating a lag in data transmission to all other clients. After few seconds "Socket Connection Closed" Exception is raised and data flow continues. Here is the code try { EnterCriticalSection(&SlotListenersCriticalSection); for(int i=0;i<SlotListeners->Count;i++) { try { //Here the process will HANG for several seconds on a disconnected socket ((TIdContext*) SlotListeners->Objects[i])->Connection->IOHandler->WriteLn("Some DATA"); }catch(Exception &e) { SlotListeners->Delete(i); } } }__finally { LeaveCriticalSection(&SlotListenersCriticalSection); } Ok i already have a keep alive mechanism which disconnect the socket after n seconds of inactivity. But as you can imagine, still this mechnism cant sync exactly with this braodcasting loop because this braodcasting loop is running almost all the time. So is there any Write timeouts i can specify may be through iohandler or something ? I have seen many many threads about "Detecting disconnected tcp socket" but my problem is little different, i need to avoid that hangup for few seconds during the write attempt. So is there any solution ? Or should i consider using some different mechanism for such data broadcasting for example the broadcasting loop put the data packet in some kind of FIFO buffer and client threads continuously check for available data and pick and deliver it to themselves ? This way if one thread hangs it will not stop/delay the over all distribution thread. Any ideas please ? Thanks for your time and help. Regards Jams

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