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• How to force visual styles when using .NET forms Interop from VB6

  - by Matt

  I have created a VB.NET Class Library that exposes some COM Interop sub routines. These in turn show various forms that are contained within the Class Library. When the forms are shown from VB6 they do not inherit the visual styles of the operating system and act like VB6 controls. I gather that this probably by design but is there some way to force/control visual styles manually in the .NET assembly? I would imagine that if I use a manifest in my VB6 app then everything will use the correct style but I would like to be able to control this myself if possible because we are using 3rd party controls in VB6 that do not require a manifest.

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• More Collateral to drive Remarketer Activity

  - by martin.morganti(at)oracle.com

  Over the last few months we have added a range of marketing materials to the Remarketer Level pages including an extensive set of Marketing Kits to support the Solution Kits previously available. As part of the continuing program, we have just added some additional training for Remarketers at no cost. In addition to the Oracle 1-Click Technology Products Guided Learning Path which explains about the program and how to position the products, we have added Oracle Database 11g 1-Click Technology Sales Guided Learning Path. This Learning path allows Remarketers to get access to more detailed training on the Oracle 11G database and so develop their understanding of the opportunities they could be benefiting from today, by reselling the 1-click products. This is in direct response to requests to make more training available to the Remarketers, so take the opportunity to let your Remarketer customers and prospects know about this additional training and how they can Jump Start a resell business with Oracle today with No Fees, No Barriers and No Excuses.

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• Universal iPhone/iPad Windows-based app with Core Data crashes on iPhone SDK 4 beta 3

  - by Tarfa

  Hi all. I installed iPhone OS 4.0 Beta 3. When I create a new Windows-based universal app with Core Data (File New Project Windows-based Application --- select Universal in drop down and check the "Use Core Data for storage" check box) the app launches fine into the iPhone simulator but crashes in the iPad simulator. The console message returned is: dyld: Symbol not found: _OBJC_CLASS_$_NSURL Referenced from: /Users/tarfa/Library/Application Support/iPhone Simulator/3.2/Applications/5BB644DC-9370-4894-8884-BAEBA64D9ED0/Universal.app/Universal Expected in: /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation I'm stumped. Anyone else experiencing this problem?

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• convert HTML to PDF with dynamic image using PD4ML

  - by vishwanath

  We are using PD4ML library to convert HTML to PDF. Is there any way with which I can include a image from the internet in my HTML to convert it into PDF. I am having problem in getting the image into PDF. I tried using base parameter in the PD4ML library but that didn't worked out. May be I am doing something wrong or PD4ML doesn't support including image from the internet. Because when I discussed my problem with other colleagues, found out that when we use the image from local server it gets to the PDF but image from internet don't. I am bound to use PD4ML, so solution with PD4ML only will be highly appreciated.

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• How do you balance documentation requirements with Agile developments

  - by Jeremy

  In our development group there is currently discussions around agile and waterfal methodology. No-one has any practical experience with agile, but we are doing some reading. The agile manifesto lists 4 values: Individuals and interactions over processes and tools Working software over comprehensive documentation Customer collaboration over contract negotiation Responding to change over following a plan We are an internal development group developing applications for the consumption of other units in our enterprise. A team of 10 developers builds and releases multiple projects simultanously, typically with 1 - maybe 2 (rarely) developer on each project. It seems to be that from a supportability perspective the organization needs to put some real value on documentation - as without it, there are serious risks with resourcing changes. With agile favouring interactions, and software deliverables over processes and documentation, how do you balance that with the requirements of supportable systems and maintaining knowledge and understanding of how those systems work? With a waterfall approach which favours documentation (requirements before design, design specs before construction) it is easy to build a process that meets some of the organizational requirements - how do we do this with an agile approach?

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• Web services, Java EE, Spring, DB integration project ideas - maybe data mining related?

  - by saral jain

  I am a graduate Computer Science student (Data Mining and Machine Learning) and have good exposure to core Java (3 years). I have read up on a bunch of stuff on the following topics: Design patterns, Java EE Web services (SOAP and REST), Spring, and Hibernate Java Concurrency - advanced features like Task and Executors. I would now like to do a project combining this stuff -- over my free time of course -- to get a better understanding of these things and to kind of make an end to end software (to learn the best design principles etc + SVN, maven). Any good project ideas would be really appreciated. I just want to build this stuff to learn, so I don't really mind re-inventing the wheel. Also, anything related to data mining would be an added bonus as it fits with my research but is absolutely not necessary since this project is more to learn to do large scale software development.

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• Free eBooks from Microsoft&ndash;We like free!

  - by Jim Duffy

  In a recent blog post I mentioned the availability of the Programming Windows Phone 7 ebook by Charles Petzold. Well I have good news, there are a number of additional FREE ebooks available from Microsoft to help you continue honing your tech skills. Moving to Microsoft Visual Studio 2010 Introducing Microsoft SQL Server 2008 R2 Own Your Future: Update Your Skills with Resources and Career Ideas from Microsoft Understanding Microsoft Virtualization Solutions (Second Edition) First Look Microsoft Office 2010 Windows 7 troubleshooting tips Introducing Windows Server 2008 R2 Deploying Windows 7, Essential Guidance I, for one, appreciate Microsoft making these resources available for free. I think it demonstrates their interest making sure we as developers and I.T. professionals have the resources we need to effectively solve the business problems we encounter. Have a day.

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• Can I use Win32 FreeType without the .dll file?

  - by Khatharr

  Hello. I'm teaching myself OpenGL and I'm implementing ttf text rendering using FreeType 2. I downloaded the library from http://gnuwin32.sourceforge.net/packages/freetype.htm and after a couple of minor issues I got it running properly. The thing that's bothering me is that I have to place a copy of freetype6.dll in the directory with my executable in order for the thing to run. I generally try to avoid a bunch of unnecessary dll files floating around. I'm sort of new to windows programming, but from what I understand most libraries can be built to run fully from a lib rather than requiring a dll at runtime. Looking through the documentation from FT is making my brain melt, so I thought I would ask here to see if there were any devs that have worked with FT before and if so, do they know how to build the library such that no dll is required at runtime. Thank you in advance for any advice or support.

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• AJI Report #20 | Devin Rader On Usability and REST

  - by Jeff Julian

  Devin is one of our great friends from days of ole'. Devin was a great community leader in St. Louis .NET space. The then moved to New Jersey to work at Infragistics where he was a huge asset for the .NET and Usability communities. He is now at Twilio as an evangelist and you will see him pretty much at every cool conference promoting Twilio and educating the masses. In this show, we talk about what Usability is and how developers can understanding what the how to solve problems with usability and some of the patterns we can use. Devin really wants to bring the focus back to the beginning of knowing who your users are and we talk about how to produce personas of the users of our products. We dive into REST for the second piece of this podcast. Devin helps us understand more about REST and what goes into a RESTful application or service. Listen to the Show Twilio Site: http://www.twilio.com Twitter: @DevinRader LinkedIn: Profile Link

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• Good book or tutorial for learning how to apply integration methods

  - by Cumatru

  I'm looking to animate a graph layout using edges as springs and nodes as weights ( a node with more links will have a bigger weight ). I'm not capable of wrapping my head around the usage of mathematical and physics relations in my application. As far as i read, Runge Kutta 4 ( preferably ) or Verlet will be a good choice, but i have problems with understanding how they really work, and what physics equations should i apply. If i can't understand them, i can't use them. I'm looking for a book or a tutorial which describe the things that i need.

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• JNI unsigned char to byte array

  - by Jeff Storey

  I'm working with a C++ library that stores image byte data in an array of unsigned characters. My jni function returns a jByteArray (which then gets converted to a BufferedImage on the java side), but I'm not sure how to fill the jByteArray from the unsigned character array (if it is possible). Can anyone provide a snippet for this last part to basically do this: // size is the size of the unsigned char array const int size = 100; unsigned char* buf = new unsigned char[size]; // buf gets passed to another library here to be populated jbyteArray bArray = env->NewByteArray(size); // now how do I get the data from buf to bArray? Thanks, Jeff

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• Automatically analyze excel files

  - by dole doug

  I have to replicate a manual generation of a large number of excel files. I started to manually track the relations between cells ( files, formulas, etc). I also had a talk with the person which generates those files. For now I have a general understanding about how the excel files are generated, but "devil is in the details". I assume that I can write a script which will generate the hierarchy between cells and files, but this might require the same effort as manually noticing the relations. Also, I'm afraid that I'm not too experienced and my app is more prone to error approach than a manual analyze. How to handle this problem? Do you know about an open source project which analyze the excel files in a recursive mode following the formulas ?

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• IAR Embedded Workbench MSP430 and *.lib files linking

  - by jeniusj

  I was assuming that it was a really simple task but I did not find anything relevant or my mistake. So putting my problem here i.e. I have some project for MSP430 which is actually in code composer studio. I have to run this whole code into IAR embedded workbench now. There are some library files(*.lib) that are also provided with the project and that should have to be linked to build the project. After little modifications code is compiling fine but I am unable to link the libraries and getting linker errors. I worked on IAR with avr but very very little just to test some sample codes. I did not find the option where to mention these library names and their respective paths. I checked out the linker tab but I am not getting any clue to link these .lib files with project.

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• Media Foundation: another way to call IMFActivate::ShutdownObject?

  - by KenC

  Hi, Here is a question about IMFActivate::ActivateObject and IMFActivate::ShutdownObject in Media Foundation. According to MSDN, the component that calls ActivateObject is responsible for calling ShutdownObject. But there are two examples not following this rule: http://msdn.microsoft.com/en-us/library/dd388503%28VS.85%29.aspx and http://msdn.microsoft.com/en-us/library/dd317912%28VS.85%29.aspx In these two examples, they call ActivateObject and then release IMFActivate interface without calling ShutdownObject method. This is going to lead to memory leaking, right? Or there is another way to release the resource occupied by the object? (Can I use IMFMediaSource::Shutdown to release the object instead of using IMFActivate::ShutdownObject) Thanks in advance.

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• What is a good motivating example for dataflow concurrency?

  - by Alex Miller

  I understand the basics of dataflow programming and have encountered it a bit in Clojure APIs, talks from Jonas Boner, GPars in Groovy, etc. I know it's prevalent in languages like Io (although I have not studied Io). What I am missing is a compelling reason to care about dataflow as a paradigm when building a concurrent program. Why would I use a dataflow model instead of a mutable state+threads+locks model (common in Java, C++, etc) or an actor model (common in Erlang or Scala) or something else? In particular, while I know of library support in the languages above (and Scala and Ruby), I don't know of a single program or library that is a poster child user of this model. Who is using it? Why do they find it better than the other models I mentioned?

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• Computer vision algorithms (how is this possible?)

  - by Maxim Gershkovich

  I recently stumbled across a company that has created what appears to be a computer vision technology that is capable of detecting shoplifting automatically and alert its users. LINK Watching some of the videos and examples provided by the company has left me completely baffled and amazed as to how on earth they may have achieved this functionality. I understand that no-one here will be able to tell me exactly how this may have been achieved but is anyone aware - and could point me to - research in this field or alternatively perhaps provide details as to how something like this could be implemented or guidance of where one might start? My understanding was the computer vision algorithms were many years away from being this sophisticated. Is this sort of application really possible? Anyone willing to hazard a guess at how they achieved this?

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• Extending SSIS with custom Data Flow components (Presentation)

  Download the slides and sample code from my Extending SSIS with custom Data Flow components presentation, first presented at the SQLBits II (The SQL) Community Conference. Abstract Get some real-world insights into developing data flow components for SSIS. This starts with an introduction to the data flow pipeline engine, and explains the real differences between adapters and the three sub-types of transformation. Understanding how the different types of component behave and manage data is key to writing components of your own, and probably should but be required knowledge for anyone building packages at all. Using sample code throughout, I will show you how to write components, as well as highlighting best practice and lessons learned. The sample code includes fully working example projects for source, destination and transformation components. Presentation & Samples (358KB) Extending SSIS with custom Data Flow components.zip

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• Macbook Pro 8,2 Graphics switching - Ubuntu 12.04

  - by fgs

  I've been reading docs and various pages for a few hours now and can't seem to put all of the pieces together on this. Basically I am trying to get 12.04 installed on my MBP 8,2 with graphics card switching working in some way or another. My basic understanding is that I need to do an EFI boot install of ubuntu so that graphics card switching will work (due to the hardware design). From there I may be able to use one of the kernel modules for graphics switching: https://help.ubuntu.com/community/HybridGraphics That article isn't clear on whether I need to do an EFI install. I have also seen comments in posts here that say and EFI install works by default as long as you have refit installed. Overall, I'm quite lost as to the simplest way to proceed to get an install up and running with graphics switching. I don't mind using open source GFX drivers as long as the basics work. Any help towards a solution is greatly appreciated.

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• How to make an HTTP request in a separate thread with timeout?

  - by Vitaly

  Hi, I haven't programmed in Delphi for a while and frankly didn't think I'll ever have to but... Here I am, desperately trying to find some information on the matter and it's so scarce nowadays, I can't find anything. So maybe you guys could help me out. Currently my application uses Synapse library to make HTTP calls, but it doesn't allow for setting a timeout. Usually, that's not a big problem, but now I absolutely must to have a timeout to handle any connectivity issues nicely. What I'm looking for, is a library (synchronous or not) that will allow making HTTP requests absolutely transparent for the user with no visible or hidden delays. I can't immediately kill a thread right now, and with possibility of many frequent requests to the server that is not responding, it's no good.

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• Any code quality tool for pl/sql?

  - by Serkan Kasapbasi

  Hi, is there any tool, library that can analyze plsql code, like PMD/CheckStyle do for Java ?

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• D (Tango) Read all standard input and assign it to a string

  - by sebtm

  In the D language how I can read all standard input and assign it to a string (with Tango library) ?

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• How to diagnose a search engine ranking drop?

  - by Itai

  EDIT: Reworded & Cleaned Up to Ease Understanding There has been a significant drop (90%) in traffic from Google to one of my well-established sites (6+ years) in the last week. Searches show that the top 3 wide keywords all dropped 4 spots. Searches for other keywords do not show ANY results in the first 10 to 25 pages of results, while previously one 1st or 2nd page at most. Since there are 200 factors for ranking, the question really is: What steps are necesary to figure out what caused such a drop? There has been no major changes during this period or the last month on the site and certainly not in the homepage which has dropped rank. Over all the years of running this site and plenty of others, I have never experienced this. There are no duplicate content on my site and I have rigorously used canonical links for the last few years to ensure it is not misinterpreted as such.

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• "Use of undefined constant CURLOPT_PROTOCOLS and CURLPROTO_HTTP" but it works?

  - by Dave

  Hi on our dev environment we have show all errors, warnings and notices. I'm getting this: Notice: Use of undefined constant CURLOPT_PROTOCOLS - assumed 'CURLOPT_PROTOCOLS' in C:\notion\implementation\development\asterix\library\ExternalLibs\panda.php on line 69 Notice: Use of undefined constant CURLPROTO_HTTP - assumed 'CURLPROTO_HTTP' in C:\notion\implementation\development\asterix\library\ExternalLibs\panda.php on line 69 The code on line 69: curl_setopt($curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTP); But the CURL code works, it goes off to the other server and retrieves whats necessary. What do these notices mean? Thanks very much.

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• Read entire file in Scala?

  - by Brendan OConnor

  What's a simple and canonical way to read an entire file into memory in Scala? (Ideally, with control over character encoding.) The best I can come up with is: scala.io.Source.fromPath("file.txt").getLines.reduceLeft(_+_) or am I supposed to use one of Java's god-awful idioms, the best of which (without using an external library) seems to be: import java.util.Scanner import java.io.File new Scanner(new File("file.txt")).useDelimiter("\\Z").next() From reading mailing list discussions, it's not clear to me that scala.io.Source is even supposed to be the canonical I/O library. I don't understand what its intended purpose is, exactly. ... I'd like something dead-simple and easy to remember. For example, in these languages it's very hard to forget the idiom ... Ruby open("file.txt").read Ruby File.read("file.txt") Python open("file.txt").read()

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• Object-Oriented equivalent of LISP's progn function?

  - by Archer

  I'm currently writing a LISP parser that iterates through some AutoLISP code and does its best to make it a little easier to read (changing prefix notation to infix notation, changing setq assignments to "=" assignments, etc.) for those that aren't used to LISP code/only learned object oriented programming. While writing commands that LISP uses to add to a "library" of LISP commands, I came across the LISP command "progn". The only problem is that it looks like progn is simply executing code in a specific order and sometimes (not usually) assigning the last value to a variable. Am I incorrect in assuming that for translating progn to object-oriented understanding that I can simply forgo the progn function and print the statements that it contains? If not, what would be a good equivalent for progn in an object-oriented language?

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