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  • Continuing education with Visual Basic 9

    - by TSSH
    I am completely new to programming and starting my education with visual basic 9 and SQL. I have read Visual Basic, in easy steps, 2nd edition by Mike Mcgrath. Although it was very easy to understand, it only gave me an introduction to learning VB. I'm looking for something more in depth, albeit for a beginner. I've read through the questions with a VB and book tag. Unfortunately, most of what I've found here references VB 6 and VB 8. Any recommendations? I cannot afford to create a library or college at the moment. So, I need to make sure that what I do buy counts. Thanks for any suggestions!

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  • Am I immoral for using a variable name that differs from its type only by case?

    - by Jason Baker
    For instance, take this piece of code: var person = new Person(); or for you Pythonistas: person = Person() I'm told constantly how bad this is, but have yet to see an example of the immorality of these two lines of code. To me, person is a Person and trying to give it another name is a waste of time. I suppose in the days before syntax highlighting, this would have been a big deal. But these days, it's pretty easy to tell a type name apart from a variable name. Heck, it's even easy to see the difference here on SO. Or is there something I'm missing? If so, it would be helpful if you could provide an example of code that causes problems.

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  • How can I skip the current item and the next in a Python loop?

    - by uberjumper
    This might be a really dumb question, however I've looked around online, etc. And have not seen a solid answer. Is there a simple way to do something like this? lines = open('something.txt', 'r').readlines() for line in lines: if line == '!': # force iteration forward twice line.next().next() <etc> It's easy to do in C++; just increment the iterator an extra time. Is there an easy way to do that in Python? I would just like to point, out the main purpose of this question is not about "reading files and such" and skipping things. I was more looking for C++ iterator style iteration. Also the new title is kinda dumb, and i dont really think it reflects the nature of my question.

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  • Annoying Blank pop-up window go away

    - by No Soup for YOU
    Hi All, Sorry about the wording for my question title. I have a basic HTML anchor tag that when clicked it is suppose to bring up a dialog box to download a file from a differnt website. I am using an attribute of target="_blank" so that when my hyperlink is clicked, I don't navigate away from my main window. This is all the easy part (if it was so easy I wouldnt be here though). When I do the above though, and click on the hyperlink, an annoying blank window pops up with my download dialog box behind it. How do I get rid of that annoying blank window and keep only my download dialog box on the screen? Below is the HTML I'm working with... <a href="http://www.fake-domain-name.com/downloads/setup.msi" target="_blank"> <img src="images/download.png" alt="download file"/> </a>

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  • How to install python physics engine

    - by None
    I want a python physics engine that works on mac and makes it easy to simulate physics. I have VPython and it works fine, but it is not quite what I want. VPython just shows visual elements and all the physics is in formulas. I looked at the documentation for PyODE and it looked like more what I want. It allowed you to add forces to masses and have worlds and things like that. When I tried to install PyODE (I am using a Mac), it didn't work. One reason was that I didn't have pyrex (I do have Cython, so maybe there is some way to have it use that?), but the other was that I didn't have ode installed. I looked and realized that PyODE is dependent on ode. I tried to install ode but that didn't work. Is there some documentation or binary or something that makes it easy to install PyODE on a mac? Or is there a similar module?

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  • Memory management in Qt?

    - by Martin
    I'm quite new to Qt and am wondering on some basic stuff with memory management and the life of objects. When do I need to delete / destroy my objects? Is any of this handled automatically? In the example below, which of the objects I create do I need to delete? What happens to the instance variable myOtherClass when myClass is destroyed? What happens if I don't delete / destroy my objects at all, will that be a problem to memory? in MyClass.h: class MyClass { public: MyClass(); ~MyClass(); MyOtherClass *myOtherClass; }; in MyClass.cpp: MyClass::MyClass() { myOtherClass = new MyOtherClass(); MyOtherClass myOtherClass2; QString myString = "Hello"; } As you can see this is quite newbie-easy stuff but where can I learn about this in an easy way? Thanks really much

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  • CMS template creation and jQuery integration

    - by Fermin
    Hi, First off I should say that I don't have any experience in working with a CMS. I have 2 general questions about CMS: How easy is it to create a template? I have strong CSS/XHTML skills, is creating a template as easy as writing the markup or does it have to be done in a very rigid way? How is jQuery support in CMS systems? I like what you can do with jQuery and would like to incorporate it into the next couple of sites that I will do. EDIT: So far answers are asking which CMS, I don't have any in mind. Any suggestions welcome, open source and non .NET preferable.

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  • project organization between x86 and x64

    - by Steve
    I have a mixed language solution in VS2008. I would like to structure the bin such that I have bin\x86\Release and bin\x64\Release among the other options. I can do something like this if I have all C# or all C++, but as the platform names don't overlap (x86 vs. Win32) between C++ and C#, I can't seem to do this with the macros (and have an easy solution). I've tried to add a new platform and it won't let me. Is there an easy way to do this?

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  • How to figure out optimal C / Gamma parameters in libsvm?

    - by Cuga
    I'm using libsvm for multi-class classification of datasets with a large number of features/attributes (around 5,800 per each item). I'd like to choose better parameters for C and Gamma than the defaults I am currently using. I've already tried running easy.py, but for the datasets I'm using, the estimated time is near forever (ran easy.py at 20, 50, 100, and 200 data samples and got a super-linear regression which projected my necessary runtime to take years). Is there a way to more quickly arrive at better C and Gamma values than the defaults? I'm using the Java libraries, if that makes any difference.

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  • Conditional XAML

    - by Nicholas
    For easy of development I'm using a ViewBox to wrap all content inside a Window. This is because my development machine has a smaller screen than the deployment machine so using a ViewBox allows for better realisation of proportion. Obviously there is no reason for it to be there on Release versions of the code. Is there an easy method to conditionally include/exclude that 'wrapping' ViewBox in XAML? E.g. <Window> <Viewbox> <UserControl /*Content*/> </Viewbox> </Window>

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  • IPC speed and compare

    - by Lily
    I am trying to implement a real-time application which involves IPC across different modules. The modules are doing some data intensive processing. I am using message queue as the backbone(Activemq) for IPC in the prototype, which is easy(considering I am a totally IPC newbie), but it's very very slow. Here is my situation: I have isolated the IPC part so that I could change it other ways in future. I have 3 weeks to implement another faster version. ;-( IPC should be fast, but also comparatively easy to pick up I have been looking into different IPC approaches: socket, pipe, shared memory. However, I have no experience in IPC, and there is definitely no way I could fail this demo in 3 weeks... Which IPC will be the safe way to start with? Thanks. Lily

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  • MS Word: Mailmerge hyperlinks with query get url string with a mergefield.

    - by oterrada
    Hi, I'm trying to send an email merging one document (docx) with a contacts database (via OleDB). Using MSWord2007, it seems easy (it works for easy things: name, address, ...) but I can't find how fill an query-get url string with a merge field inside an hyperlink. An hyperlink like: Click here where here is an hyperlink to http://domain.com/[email protected] where [email protected] is the address of the contact, a merge field. I've tried the special/merge fields: {HYPERLINK "http://domain.com/test.php?contact={MERGEFIELD contactEmail}" \o "Here"} but it doesn't work, sometimes it merge only the first record and then send all the mails with the same address, I got this alternating the view with ALT+F9. This support doc doesn't work for me because I don't have the complete URL in my database for each contact, and I can't change the design of the table or add a view (it's from the CRM), I don't like to do it exporting the table and adding the field. Any idea? Thanks in advance,

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  • Drupal setup for proofreaders - "Revision Moderation"

    - by Olav
    I would like to have external proofreaders to work directly inside my Drupal site. Basically they should be able to create new revisions, annotate, comment etc without affecting what users see without my approval. Particularly the node might already be public. "Revision Moderation" module sounds a bit like what I want, but it seems not to be so much used, and I run into other modules like "Workflow". What is important for me: Possibility to work on content already published Easy for the proofreader, easy for me to direct her to the right location Other useful features such as comments (Like those balloons in Word), diffs etc (I guess I could work around (1) by copying the content)

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  • I want to use 960 or Blueprint, but I also want to use lots of Padding and Borders, is it a good fit

    - by viatropos
    I started using 960 today and thought it would be really easy. However, trying to translate a site to 960 quickly proved tough for many reasons. The first is that I can't use any padding or borders. Unless of course I add many more divs. Same thing with borders. Question is, if I want to use lots of padding and borders (where padding and borders are either 5px "thin" or 10px "thick" styles), are 960 and blueprint overkill? It seems pretty easy to create a custom grid, but once I add padding and borders, 99% of the work is making sure the grid doesn't break. I still am going to end up lining everything up to a 960 grid with 12 columns, but I want to have padding and borders included in the width, and it seems that's not easily possible with 960 or blueprint. What are your thoughts?

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  • Real winforms/wpf projects which use MVC, MVP, MVVM

    - by Belousov Pavel
    Hello everybody, I have looked some videos and read some articles about MVC, MVP, MVVM. I think, that I understood basic principles and differences. But it seems to me that samples in articles and videos are very easy. I think that it's easy to learn how to apply these patterns when you can look on some projects. So I'd like to look on real projects(Winforms/WPF), which use MVC, MVP or MVVM. Could you provide me links to sources of such projects? (If it is open source) It will be great if projects will have unit tests for Controller/Presenter/ViewModel, because it's one of my problem when I develop applications. Thanks in advance.

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  • How to find all the file handles by a process programmatically?

    - by kumar
    I have a process "x" which uses "system" C function to start ntpd daemon. I observed that ntpd are passed the open file descriptors of "x". ntpd holds on to the file descriptors even after original file is deleted. for ex: Some log files used by "x" are rotated out after sometime, but "ntpd" has file handle opened for these deleted files. Will it cause any problem? Alternatively I thought of setting "FD_CLOEXEC" flag for all the file descriptors before calling "system" function. But as we are running as an extension library to third process "x"( "x" loads our library based on some condition), there is no easy way to know about all the file descriptors process has opened. One way is to read /proc//fd and set "FD_CLOEXEC" for each file handle and reset it back after "system" function returns. I'm using Linux 2.16. Is there any other easy way to find all the file handlers? Thanks,

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  • Best tool to check and ensure PDF/A compatibility under Linux

    - by Sven Lilienthal
    I am working on an online portal, where researchers can upload their research papers. One requirement is, that all PDFs are stored in PDF/A-format. As I can't rely on the users to generate PDF/A conforming documents, I need a tool to check and convert standard PDFs into PDF/A format. What is the best tool you know of? Price Quality Speed Available APIs Open-source tools would be prefered, but a search revealed none. iText can create PDF/a, but converting isn't easy to do, as you have to read every page and copy it to a new document, losing all bookmarks and annotations in this process. (At least as far as I know, if you know of an easy solution, let me know). APIs should be available for either PHP, Java or a command-line-tool should be provided. Please do not list either GUI-only or Online-only solutions.

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  • JavaScript distributed computing project

    - by Ben L.
    I made a website that does absolutely nothing, and I've proven to myself that people like to stay there - I've already logged 11+ hours worth of cumulative time on the page. My question is whether it would be possible (or practical) to use the website as a distributed computing site. My first impulse was to find out if there were any JavaScript distributed computing projects already active, so that I could put a piece of code on the page and be done. Unfortunately, all I could find was a big list of websites that thought it might be a cool idea. I'm thinking that I might want to start with something like integer factorization - in this case, RSA numbers. It would be easy for the server to check if an answer was correct (simply test for modulus equals zero), and also easy to implement. Is my idea feasible? Is there already a project out there that I can use?

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