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• JD Edwards... call C#?

  - by rbobby

  Hey all, I know very little about JD Edwards. I have a client asking how to call an API we supply (as COM, C#, REST) from JD Edwards. I'm not getting much in terms of high quality answers from their tech guy... so I thought I'd ask here. Can JD Edwards call C#? Can JD Edwards call Java? Can JD Edwards call a Unix scipt? Can anyone point me towards anything useful in terms of developer/customization documentation? Thanks!

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• Sqs vs SqsGen2 using RightScale right_aws GEM

  - by Fitter Man

  I'm trying to use the right_aws (1.10.0) GEM with Rails, and I've reduced my problem to a 3-line irb session. The following works require 'rubygems' require 'right_aws' sqs = RightAws::Sqs.new("xxxxxxxxxxxxxxx", "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx") while this fails require 'rubygems' require 'right_aws' sqs = RightAws::SqsGen2.new("xxxxxxxxxxxxxxx", "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx") with NameError: uninitialized constant RightAws::SqsGen2. I see the class definition in the GEM source, the documentation is old but seems accurate, but I can't figure out what I'm doing wrong. And while you're at it, is there any reason if I'm building something new, I'd want to use the older interface?

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• mingw32-make : "Input line too long" issue

  - by hjsblogger

  We have a Makefile which runs on a Windows 2003 machine and we are using mingw32-make for it. Since the Makefile has many include paths, it exceeds the buffer size of 8K that the cmd can handle [Ref - http://support.microsoft.com/kb/830473/EN-US/due to which the compilation results in "input line too long" issue. I wanted to know the following - What would be the best way to optimize the Makefile as I have already removed unwanted compiler switches, include paths etc. Is there any way we can put all the INCLUDE paths in one .txt file and import it in the Makefile.I could not find any mingw32 documentation for the same. Any other inputs/hints/reference links are most welcome. Thanks, -HJSblogger

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• Xcode 4.2 how include one project into another one?

  - by Alex Stone

  I keep searching, but cannot find a clear and simple explanation on how to include one XCode project, along with all of it's sub-classes into another project. I routinely see stuff like that in sample projects that I download off the web, but do not know how to do this myself. Within XCode, along with .h and .m files, and folders, there's a whole new project, starting with a blue xcode project icon, that is expandable to contain everything within the project. Please, can someone explain to me step by step what do I need to do to add one XCode project into another one? I've seen a ton of one liners like "header search paths", but that does not tell me much. UPDATE: After re-reading the documentation, I realized that the project to include must be dragged ONTO the BLUE project icon of the parent project. Regular sources can be dragged anywhere, but a project must be dragged onto a project. Thank you!

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• What exactly is a property in Objective C ? What is the difference between a property ans an instance variable?

  - by tek3

  I am very much confused between instance variables and property. I have read number of posts regarding this but still i am not clear about it. I am from JAVA background and what i infer from objective C documentation is that a property is similar to JAVA BEAN CLASS (one having getter and setter of instance varibles). A property can accessed from other classes through its getter and setter methods while an instance variable is private and cannot be accessed from other classes. Am i right in thinking in this direction ?

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• Can I use Sikuli as an Jython library in my project?

  - by Yinan

  Sikuli is really cool, but it's working in its buildin Jython environment, the Sikuli IDE. So I m wondering is it possible to import Sikuli as an external library to my Jython library? I saw from Sikuli's website that they have this Python module which provides all Sikuli actions like click and type. Here is the link: http://sikuli.org/documentation.shtml#doc/pythondoc-python.edu.mit.csail.uid.Sikuli.html I have tried importing the skiuli-script.jar and add the skiuli-script/Lib to the PYTHONPATH. Then in my spike.py script, I try to do this: import python.edu.mit.csail.uid.Sikuli capture() #enter to screen capture mode then when execute the script, I got this error: java.lang.UnsatisfiedLinkError: java.lang.UnsatisfiedLinkError: /eclipse_3.4.2/workspace/Jython/src/tmplib/libVDictProxy.jnilib: no suitable image found. Did find: /eclipse_3.4.2/workspace/Jython/src/tmplib/libVDictProxy.jnilib: no matching architecture in universal wrapper I m using Jython 2.2.1 and Mac 10.6.2 (32-bit mode). I have also set to use 32-bit mode first in Java Preference.

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• iTunes Apple Events API

  - by jldupont

  I'd like to control iTunes through Objective-C ( I just can't get Python appscript installed correctly on my OS/X 10.6.3 system ... that would have been my first choice ). From what I gather, the IPC on Cocoa is based on Apple Events : is there either: Online documentation on iTunes / Apple Events API ? Instrospection mechanism to get to iTunes API? I know about Applescript Editor / Open Dictionary functionality but I can't figure out how to translate the information I see into IPC calls. Note: I have already tried working out a solution through PyObjC but the main function I am after is track searching which I can't figure out. Disclaimer: OS/X super-newbie here.

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• How does jQuery stores data with .data()?

  - by TK

  I am a little confused how jQuery stores data with .data() functions. Is this something called expando? Or is this using HTML5 Web Storage although I think this is very unlikely? The documentation says: The .data() method allows us to attach data of any type to DOM elements in a way that is safe from circular references and therefore from memory leaks. As I read about expando, it seems to have a rick of memory leak. Unfortunately my skills are not enough to read and understand jQuery code itself, but I want to know how jQuery stores such data by using data(). http://api.jquery.com/data/

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• In which DLL is the COM interface iStream defined?

  - by Youval Bronicki

  I'm a complete newbie to Windows and COM programming, trying to use com4j in order to call a COM object from Java. Com4j generates Java interfaces from COM definitions "often found in .ocx, .dll, .exe, and/or .tlb files" . It was easy for me to locate the .ocx file of my target COM object, but I have no clue regarding the standard interface iStream. Microsoft's documentation mentions OLE32.DLL ( c:\Windows\Windows32\Ole32.dll ?) , but neither the com4j generator nor oleviewer succeed in opening this file. Any hints?

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• Pre-generating GUIDs for use in python?

  - by rjuiaa1

  I have a python program that needs to generate several guids and hand them back with some other data to a client over the network. It may be hit with a lot of requests in a short time period and I would like the latency to be as low as reasonably possible. Ideally, rather than generating new guids on the fly as the client waits for a response, I would rather be bulk-generating a list of guids in the background that is continually replenished so that I always have pre-generated ones ready to hand out. I am using the uuid module in python on linux. I understand that this is using the uuidd daemon to get uuids. Does uuidd already take care of pre-genreating uuids so that it always has some ready? From the documentation it appears that it does not. Is there some setting in python or with uuidd to get it to do this automatically? Is there a more elegant approach then manually creating a background thread in my program that maintains a list of uuids?

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• Rails: ValidationReflection and Formtastic not working together

  - by user336777

  I installed validation_reflection as a gem and out of the box it picked up on my validates_presence_of validations. But it is not picking up on any of the other default rails validations such as validates_format_of. I know from the documentation that i am supposed to add something like: config.reflected_validations << :validates_format_of to my config/plugins/validation_reflection.rb file (which didn't exist initially). I did this but nothing changed (i restarted the web server in between). I am not sure if it just isn't picking up on my file and loading validation_reflection.rb or if i have done something wrong. Anyone have any insights?

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• Resharper Split String literal

  - by Ismael

  I was not lucky in my 15 minutes googling. Maybe bad luck with good keyword? Why does the Resharper suggest spliting a string in function parameter? Example: From this: return PartialView("Categorias", lista); To this: return PartialView("Cat" + "egorias", lista); I checked documentation here: link And it says: Split string literal - Splits string literal into two literals. I want to discover why is this a good practice, what are the fundamental idealogic behind the scenes that achieved this practice. I don't want to do it without knowing why... Help is soooo appreciated.

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• Are there any differences between SQL Server and MySQL when it comes to preventing SQL injection?

  - by Derek Adair

  I am used to developing in PHP/MySQL and have no experience developing with SQL Server. I've skimmed over the PHP MSSQL documentation and it looks similar to MySQLi in some of the methods I read about. For example, with MySQL I utilize the function mysql_real_excape_string(). Is there a similar function with PHP/SQL Server? What steps do I need to take in order to protect against SQL injection with SQL Server? What are the differences between SQL Server and MySQL pertaining to SQL injection prevention? also - is this post accurate? is the escape string character for SQL Server a single quote?

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• rails accessing value from facebooker hash/array

  - by Ben

  This is my first time using the facebooker plugin with rails, and I'm having trouble accessing user info. The website uses FB connect to authenticate users. I am trying to get the name of the university that the logged in user attends. When I use the command <%= facebook_session.user.education_history[:name] %>, I get an error "Symbol as array index". I have also tried using education_history[1], but that just returns "# Facebooker::EducationInfo:<some sort of alphanumeric hash value>" When I use something like <%= facebook_session.user.relationship_status %> , it returns the relationship status just fine. Similarly, <%= facebook_session.user.hometown_location.city %> returns the city name just fine. I've checked out the documentation for facebooker, but I can't figure out the correct way to get the values I need. Any idea on how to get this to work? Thanks!

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• How can I use Code Contracts in a C++/CLI project?

  - by Daniel Wolf

  I recently stumbled upon Code Contracts and have started using them in my C# projects. However, I also have a number of projects written in C++/CLI. For C# and VB, Code Contracts offer a handy configuration panel in the project properties dialog. For a C++/CLI project, there is no such panel. From the documentation, I got the impression that adding Code Contracts support to a C++/CLI project should be a simple matter of calling some external tools as part of the build process (namely ccrefgen.exe, cccheck.exe, and ccrewrite.exe). However, the number of command line options and restrictions concerning the call sequence have me somewhat intimidated. Can anybody point me to a simple way to run the Code Contracts tools as an automated part of the build process in Visual Studio?

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• How to use NSString drawInRect to centre text?

  - by Steve Folly

  How can I draw a string centred within a rect? I've started off with: (an extract from the drawRect method of my custom view) NSString* theString = ... [theString drawInRect:theRect withAttributes:0]; [theString release]; Now I'm assuming I need to set up some attributes. I've had a look through Apple's Cocoa documentation, but it's a bit overwhelming and can't find anything for how to add paragraph styles to the attributes. Also, I can only find horizontal alignment, what about vertical alignment? Thanks.

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• How to implement exception chaining in PHP

  - by Josef Sábl

  Constructor for PHP's exception has third parameter, documentation says: $previous: The previous exception used for the exception chaining. But I can't make it work. My code looks like this: try { throw new Exception('Exception 1', 1001); } catch (Exception $ex) { throw new Exception('Exception 2', 1002, $ex); } I expect Exception 2 to be thrown and I expect that it will have Exception 1 attached. But all I get is: Fatal error: Wrong parameters for Exception([string $exception [, long $code ]]) in ... What am I doing wrong?

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• Why use MVVM???

  - by LnDCobra

  Okay, I have been looking into MVVM pattern, and each time I have previously tried looking into it, I gave up for a number of reasons: Unnecessary Extra Long Winded Coding No apparent advantages for coders (no designers in my office. Currently only myself soon to be another coder) Not a lot of resources/documentation of good practices! (Or at least hard to find) Cannot think of a single scenario where this is advantageous. I'm about to give up on it yet again, and thought I'd ask to see if someone answer the reasons above. I honestly can't see an advantage of using this for a single/partner coding. Even in complex projects with 10's of windows. To me the DataSet is a good enough view and binding like in the answer by Brent following question

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• Creating Facebook Apps .. going mad

  - by ArneRie

  Hi, iam trying to create my first Application running inside an Facebook Canvas. Iam using Zend Framework (PHP) for this project. But iam not able to understand all the different ways facebook is offering. There is an PHP SDK wich works so far. There is an Javascript SDK and something called FBJS? Does someone knows a good point to start? The Documentation is not actual most times. I have managed it to login, and show my picture and name inside the app, the basic stuff is working.

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• How to validate HTTP request headers before receiving request body using WCF

  - by anelson

  I'm implementing a REST service using WCF which will be used to upload very large files. The HTTP headers in this request will communicate information which will be validated prior to allowing the upload to proceed (things like permissions, available disk space, etc). It's possible this validation will fail resulting in an error response. I'd like to do this validation prior to the client sending the body of the request, so it has a chance to detect failure before uploading potentially gigabytes of data. RESTful web services use the HTTP 1.1 Expect: 100-continue in the request to implement this. For example Amazon S3's REST API can validate your key and ACLs in response to an object PUT operation, returning 100 Continue if all is well, indicating you may proceed to send your data. I've rummaged around the WCF documentation and I just can't see a way to accomplish this without doing some pretty low-level hooking into the HTTP request processing pipeline. How would you suggest I solve this problem?

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• Configuring log4net appenders via XML file *and* code

  - by Dave

  I started to play with log4net today and so far, I really like it. In order to preserve our current logging functionality, the app needs to create a new log file whenever the application is started. The log file name has the date and time stamp encoded in it. Currently, I've got log4net configured via an XmlConfigurator, which works great, except that the filename for my RollingFileAppender is hardcoded in the configuration XML file. I'd like to continue to use the XmlConfigurator, but after calling Configure(), I want to get at the RollingFileAppender and, in code, change its file value to be a dynamically-generated string. The sample documentation online seems to be down right now, but I've poked through the SDK reference, and it looks like I could use the Heirarchy and GetAppenders() to do what I need to do. Am I on the right track?

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• What are the requirements for HTA files?

  - by SLC

  They seem to open in an internet explorer type window, does anyone know: How long have HTA files been around? Have they been around since Windows 98? Do they rely on Internet Explorer being installed, and/or a certain version of it? If you choose another browser on the browser selection screen update for Windows 7, will HTA files still work? Do HTA files open on other browsers? Are HTA files windows-only? There is a huge lack of documentation on google about HTA files, so it's tricky to work out. I need to present the client with a list of minimum requirements to ensure our HTA content CD will work.

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• CommandManager Executed Events don't fire for custom ICommands

  - by Andre Luus

  The WPF CommandManager allows you to do the following (pseudo-ish-code): <Button Name="SomeButton" Command="{Binding Path=ViewModelCommand}"/> And in the code-behind: private void InitCommandEvents() { CommandManager.AddExecutedEventHandler(this.SomeButton, SomeEventHandler); } The SomeEventHandler never gets called. To me this didn't seem like something very wrong to try and do, but if you consider what happens inside CommandManager.AddExecutedEventHandler, it makes sense why it doesn't. Add to that the fact that the documentation clearly states that the CommandManager only works with RoutedCommands. Nonetheless, this had me very frustrated for a while and led me to this question: What would you suggest is the best workaround for the fact that the CommandManager does not support custom ICommands? Especially if you want to add behavior around the execution of a command? For now, I fire the command manually in code behind from the button click event.

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• Is it dangerous to set off an autoreleased NSOperationQueue?

  - by Paperflyer

  I have a task that takes a rather long time and should run in the background. According to the documentation, this can be done using an NSOperationQueue. However, I do not want to keep a class-global copy of the NSOperationQueue since I really only use it for that one task. Hence, I just set it to autorelease and hope that it won't get released before the task is done. It works. like this: NSInvocationOperation *theTask = [NSInvocationOperation alloc]; theTask = [theTask initWithTarget:self selector:@selector(doTask:) object:nil]; NSOperationQueue *operationQueue = [[NSOperationQueue new] autorelease]; [operationQueue addOperation:theTask]; [theTask release]; I am kind of worried, though. Is this guaranteed to work? Or might operationQueue get deallocated at some point and take theTask with it?

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• An important question on iPhone file writing

  - by Kyle

  I use the NSHomeDirectory() function to get the app's home folder, and write to the Documents directory within that. I'm curious, though, what happens when the user downloads an update for the app in the appstore? Will it all be deleted? When I delete the app on the device, then reinstall it, its wiped out. So, I'm curious to know what will happen with an update. I can't find this in the documentation at all. Thanks alot for reading. I really tried to find this asked somewhere else first, but couldn't. Hopefully this page will be informative to guys like me who are confused on the subject.

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