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  • R: getting "inside" environments

    - by Mike Dewar
    Given an environment object e: > e <environment: 0x10f0a6e98> > class(e) [1] "environment" How do you access the variables inside the environment? Just in case you're curious, I have found myself with this environment object. I didn't make it, a package in Bioconductor made it. You can make it, too, using these commands: library('GEOquery') eset <- getGEO("GSE4142")[[1]] e <- assayData(eset)

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  • ASP.NET Rendering XMl/XSLT direct from the web - problem with non virtual path

    - by H4mm3rHead
    Hi, i have a small problem. Im using the ASP.NET Xml control and want to pass it a url to a rss feed and a stylesheet - so that i can style the rss myself on my website. When applying the full web path to the xml control (http://www.myserver.com/myfeed.rss) i get an exception telling me that the document source is not a valid virtual path. What am i doing wrong? I would hate to download the file before showing it...

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  • Ideas for a C/C++ library

    - by Mohit Deshpande
    I thought one of the best ways to familiarise myself with C/C++, is to make a helpful library. I was maybe thinking like a geometry library, like to calculate areas, surface area, etc. It would be useful in game programming. Or maybe an algebra library, like for different formulas like the distance formula, quadratic formula, etc. Or maybe like a standard library for very simple functions, like calculating the number of items in an array.

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  • Dealing with personal failure

    - by codeelegance
    A while ago I was given the task of updating and extending the functionality of a software project. I was given a year to make the needed changes working solo. A month into development I came to the conclusion that it would take longer to change the existing product than to rewrite it from the ground up. I'd never attempted a complete rewrite so I talked with my boss about it and he was thrilled with the idea. I'm a fan of agile development but had never had the opportunity to take advantage of all of the prescribed practices so when I set to work I tried to incorporate as many as I could. I didn't have direct access to the customer and my coworkers (non-programmers) knew the business domain but were already so busy they didn't really have time to participate in design meetings so I resigned to working in the dark and occasionally calling one of them over to my desk to get feedback on my progress. I used TDD and refactored mercilessly and even tried taking a domain driven design approach. Things went well for a while. As the deadline came closer and the complexity of the project grew my productivity start slipping. I found myself cutting corners and ignoring the practices I had established as the pressure increased to meet the deadline. I also started working late nights and weekends to keep up with the load. In the end it made little difference how hard I worked. The project missed its deadline and what was completed wasn't enough to give to the customer. I had failed. Not only had I not finished on time but the previous version had sat untouched for almost a year so it wouldn't be of any help. Luckily we had another product that offered some of the same functionality. My boss decided to cancel the project entirely and moved all our orphaned customers to the other product. I spent weeks (along with everyone else at the company) manning the phones providing technical support for those customers. After it was all over, my boss was gracious enough not to fire me for nearly ruining the company. I was moved to the other product and have been trying to redeem myself ever since. Where did I go wrong? Has anyone else had to deal with this kind of defeat? How did you recover?

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  • Writing user agents to control Internet access

    - by gipsy
    Ho will I go about writing a light weight agent to be installed on machines (windows to begin with) that controls Internet access Also these agents need to communicate to central server over the Internet. What areas of technology I should start reading/learning in order to develop it myself?

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  • Not sure how to use ccTouchesBegan to do what I want it to do.

    - by thyrgle
    So when I see ccTouchesBegan (or touchesBegan for that fact of the matter) I see something like this usually: - (void)ccTouchesBegan:(NSSet*)touches withEvent:(UIEvent*)event { UITouch* touch = [touches anyObject]; } But, what I am not getting is how do you just detect if one object has been touched? For example how would I check if a specific CCSprite I declared has been touched? Sorry if this is a newbish question but, I just don't understand and if you need more clarification just ask how I can clarify myself more.

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  • My 301 redirect via htaccess code is not working sometimes

    - by Gagan Modi
    The 301 redirect is working sometime and somes time not What could be the problem in below code its over a week now RewriteCond %{HTTP_HOST} ^usedcarindelhi\.com$ [OR] RewriteCond %{HTTP_HOST} ^www\.usedcarindelhi\.com$ RewriteRule ^/?$ "http\:\/\/www\.mycarhelpline\.com\/index\ .php\?option\=com_usedcar\&view\=category\&Itemid\=3\&location\=delhi" [R=301,L] i basically need to move usedcarindelhi.com & www.usedcarindelhi.com to http://www.mycarhelpline.com/index.php?option=com_usedcar&view=category&Itemid=3&location=delhi Sometimes the 301 redirect is working making me go to mycarhelpline n sometimes am find myself on usedcarindelhi can someone help in this pls Thanks

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  • Objects With No Behavior

    - by Patrick Donovan
    I've been teaching myself object oriented programming and I'm thinking about a situation where I have an object "Transaction", that has quite a few properties to it like account, amount, date, currency, type, etc. I never plan to mutate these data points, and calculation logic will live in other classes. My question is, is it poor Python design to instantiate thousands of objects just to hold data? I find the data far easier to work with embedded in a class rather than trying to cram it into some combination of data structures.

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  • Corporate developers: Do you feel your code is adding value to the company?

    - by Pierreten
    I'm going through a phase where I'm not being productive at all. I find it hard to justify to myself getting paid six figures to sit in front of my computer and act busy. Management is completely disengaged, and the users as well. What do you do in this type of situation? I've taken to learning some deeper aspects of .Net and software construction in general, but don't like the feeling that I'm stiffing my employer.

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  • Vertical text alignment in Crystal Reports?

    - by George Mauer
    In the Crystal Reports editor that comes with Visual Studio (2008) is it possible to align text to the center of a text box rather than to the top? I can't find the option anywhere and a Google search is not encouraging but I just can't bring myself to believe that they would not include such an obvious feature.

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  • Wait function in Java

    - by user220755
    So I am writing a Java code to represent a heap sort and to represent the operation I need to have a waiting function which will wait between different operation but I am not sure if there is a function in Java that does that or do I need to write the function by myself and how would i do that. Representing heap sport is a homework but writing the waiting function isn't so I appreciate your help

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  • What solution programmers prefer to get ride of Myopia?

    - by Emily
    Yes, i have Myopia and that's really annoying and make me blame myself why i choosen this field. And i think a lot of people like me here. What did you choose/Or the best choice in order to correct your short-sight? Glasses Contacts Overnight Contacts Lasik I'm really confused because some people say glasses are decreasing the sight more, other say Lasik is just a luck, others prefer overnight contacts which you sleep with'em.

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  • How do I authenticate in Google App Engine with SVNKit?

    - by corgrath
    Creating a default authication manager with SVNKit requires access to the file system. SVNURL svnurl = SVNURL.parseURIEncoded(url); SVNRepository repository = SVNRepositoryFactory.create(svnurl); // Authentication ISVNAuthenticationManager authManager = SVNWCUtil.createDefaultAuthenticationManager(name, password); repository.setAuthenticationManager(authManager); In Google App Engine, you can't create/write files. How do I authenticate myself in Google App Engine?

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  • String Processing Algorithms..

    - by RBA
    Hi, Please share some good websites where I can learn more on String Processing Techniques and could grill myself more into different kinds of algorithm available in this field.. Thanks..

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  • Mixing garbage collected framework with normal code

    - by shw
    I know my way around Objective-C and I have experience with garbage collection from .NET, although I never used it in objective-c. I write my code without using it. Now I'm thinkig about using one of the frameworks (Blocks) which is available as GC-only. My question is - can I still use the framework without any changes to my current non-GC code and without using GC myself?

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  • Free version control services?

    - by thr
    What free version control service would you recommend? I'm not looking for a complete project management service like Sourceforge, just something so I don't have to run a SVN/GIT server myself.

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  • How to decode "application/x-qabstractitemmodeldatalist" in Qt for drag and drop?

    - by gct
    I've created a child class of QTreeWidget that I want to be able to drag items from another tree widget too (I want to handle the insertion myself though), as well as from a QListWidget. I've overridden the dropEvent method in my class, and it looks like the mimetype of the data I'm getting from my QTreeWidget is application/x-qabstractitemmodeldatalist, how can I decode this to get the items from the tree back out?

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  • Sanitizing MySQL user parameters.

    - by Tom
    What are the dangerous characters that should be replaced in user input when the users' input will be inserted in a MySQL query? I know about quotes, double quotes, \r and \n. Are there others?(I don't have the option of using a smart connector that accepts parameters so I have to build the query myself and this will be implemented in multiple programming languages, including some obscure ones so solutions such as mysql_real_escape_string in PHP are not valid)

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  • NamespaceContext and using namespaces with XPath

    - by Jherico
    Resolving an xpath that includes namepsaces in Java appears to require the use of a NamespaceContext object, mapping prefixes to namespace urls and vice versa. But I can find no mechanism for getting a NamespaceContext other than implementing it myself. This seems counter-intuitive. Is there any easy way to acquire a NamespaceContext from a document, or to create one, or failing that, to forgo prefixes altogether and specify the xpath with fully qualified names?

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