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  • Is there a pure-managed DirectX wrapper?

    - by Cody Brocious
    I'm currently in need of a purely managed code DirectX wrapper for .NET. While SlimDX is great, its use of unmanaged code makes it impossible to perform proper dead code analysis on, for the purpose of merging it into your assemblies. With a pure managed wrapper, I'd be able to include just the pieces I use in my assembly, allowing very, very small binaries (my goal is to be able to write 64k demos entirely using .NET). Does such a thing exist, or am I going to be getting intimate with P/Invoke?

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  • Time series in R

    - by Christian Stade-Schuldt
    Hi, I am tracking my body weight in a spread sheet but I want to improve the experience by using R. I was trying to find some information about time series analysis in R but I was not succesful. The data I have here is in the following format: date - weight - body-fat-percentage - water-percentage e.g. 10/08/09 - 84.30 - 18.20 - 55.3 What I want to do plot weight and exponential moving average against time How can I achieve that?

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  • sqlite over network share for failover

    - by reinier
    As a follow-up of this question: sqlite-over-a-network-share If I put the SQlite DB on a network share, but will not access it concurrently from different machines. I only have the SQLite db stored on a share so a cluster of failover computers can take over where one machine left off. Are there any inherent problems with that approach?

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  • Going from a math career to a cs career: how to do it?

    - by Joseph
    Hey, I'm looking for some advice on how to successfully make the transition from mathematics to CS. My academic background is in mathematics (BS and MSc), and I've taken loads of math courses as well. You name it, and I took it: Measure Theory, Algebra, PDES, Manifolds, Complex Analysis, etc. I progressed quite far along this track, and at one point, I thought I would be a professional mathematician...But around the time I was finishing my MSc, I really got sick of it. Studying very abstract mathematics was fun, but it really lost it's appeal to me. Outside of a couple hundred people, I'm not sure if anybody would understand my research. I did not want to be 60 years old and say that my only contribution to the world consisted of published papers. Anyways, I've been an off and on hobbyist programmer since 2002. I've programmed in C and Java (just small projects), and I really started to be drawn to the area as time passed. There's a real appeal to CS work because, well, it actually means something to other people out there! I enjoy all parts of it: designing webpages (a real artistic appeal). On the other end, I do enjoy toying with compilers and more nitty-gritty stuff as well. Suffice to say, I have broad interests out there. Anyways, I know it's a bit late, but I was wondering if there were other folks out there who made the change, and if so, how I could do so. I know I have some fairly big gaps to fill in terms of data structures, lack of internship experience, etc. But I really would like to make this work. So my question is simply: How can I make the switch from math to CS? To pay the bills, I'll be doing financial analysis for a company, but I'd like to eventually transition into a developer type position. I've been reading "Algorithm Design" by Tardos and doing all the problems. It's not hard to make progress since the problems are far more concrete than the stuff I've been doing the past six years. I feel I can make fairly rapid progress in picking up all the materials from data structures, etc. but none of it can substitute the past several years I've lost. Anyways, I'm eager to learn but would love some advice/concrete direction. Thanks, Joseph

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  • Run Linux command as predefined user

    - by vijay.shad
    Hi all, I have created a shell script to start a server program. startup.sh start When above command will executes, it will try starts the server as adminuser. To achieve this my script has written like this. SUBIT="su - adminuser -c " SERVER_BOX_COMMAND_A="Server" ############## # Function to start cluster function start(){ $SUBIT "$SERVER_BOX_COMMAND_A" } When i execute the command it asks for password. Is there any other way to do this so, it will not ask for password.

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  • Slow performance of System.Math library in .NET4/VS2010

    - by Niranjan
    My application compiled in .NET 4 seems to be performing really slow compared to .NET 3.5. When I did the performance analysis, I found out that the System.Math libraries in VS2010/.NET 4 have slowed down considerably. Any explanation to this? Has anyone else come across this or am I the only one seeing this? Thanks, Niranjan

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  • How is parsing phase in a compiler different from a rule engine ?

    - by abhinav
    Hi, I have a rough understanding of how the compilers work (I mean languages, grammars, lexical analysis, parsing etc). The rule engines have various rules and associated action, just like you have rules in the grammars and you can associate actions with them in parser-generator tools like ANTLR. So I am a bit confused on how to differentiate between these two. Could anyone give a clearer, more formal explanation for the differences ? Thanks, Abhinav.

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  • Master thesis in software engineering

    - by maya
    Hi everyone, I will be Master student and I look for a topic in software engineering for my thesis , I want a topic which is less programming and more analysis. I mean a topic without programming because I'm not professional in programming. I'm thinking in UML tools but I really don't have specific topic. any suggestion please any one help me thanks in advance

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  • ReSharper-like addon for NetBeans

    - by Ondrej Slinták
    Hello, is there any ReSharper-like addon for NetBeans (preferably 6.8)? I'm using NetBeans for PHP. I need following features: add some kind of code analysis add some intelligent refactoring interface enhance current code completion system add more options to code highlighting Currently I'm using multiple external tools, which aren't exactly user-friendly and I'd like to, preferably, have it all in one tool. Perhaps some other PHP IDE have something like this. EDIT: Bit more details in my answer to Jani Hartikainen.

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  • Can I use an NSDecimalNumber anywhere that an NSNumber is expected?

    - by Nick Forge
    NSDecimalNumber is a subclass of NSNumber, and from what I can tell, it implements all of the NSNumber methods as expected for an NSNumber instance. Given that, is it ok to give NSDecimalNumbers to any code that is expecting an NSNumber? The only possible issue might be code that checks that an argument is an instance of NSNumber, but since NSNumber is a class-cluster, code like this would have to check that the instance is a subclass of NSNumber, and NSDecimalNumber instances should pass the same tests.

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  • Use Windbg find argumet passed to a COM+ method

    - by G33kKahuna
    Generated a debug diagnostic dump file for a COM+ application. Upon analysis look like threads deadlocks at line OLE32!SwitchSTA. My symbol path is pointing to msdl.microsoft.com/download/symbols. Is there way to know what arguments were passed to this method? In general, how does one use Windbg to find the input argument value to the method call? thanks in advance

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  • Web application

    - by Baz
    hi guys, its my first web application in real world and am very much confuse from the beginning am working on Merchandise suppliers application, which includes various type of products. for an instance Home products cloths men t-shirts add basket send information to my client, I don’t need to add PayPal , just need to send information to my client , So far I have done , analysis , site structure , page designing am confuse about database designing Can any one help me out or send me some example step by step how should I begin with it .

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  • writing hbase reports

    - by sammy
    Hello i've just started exploring hbase i've run 2 samples : SampleUploader from examples and PerformanceEvaluation as given in hadoop wiki: http://wiki.apache.org/hadoop/Hbase/MapReduce Well, my application involves updating huge amount of data once a day.. i need samples that store and retrieve rows based on timestamp and make an analysis over the data could u please provide r poinnters as to how to continue as i dont find many tutorials on samples using TIMESTAMP thank u a lot sammy

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  • Jboss logging issue

    - by balaji
    I'm Working as deployer and server administrator. We use Jboss 4.0x AS to deploy our applications. The issue I'm facing is, Whenever we redeploy/restart the server, server.log is getting created but after sometime the logging goes off. Yes it is not at all updating the server.log file. Due to this, we could not trace the other critical issues we have. Actually we have two separate nodes and we do deploy/restarting the server separately on two nodes. We are facing the issue in both of our test and production environment. I could not trace out where exactly the issue is. Could you please help me in resolving the issue? If we have any other issues, we can check the log files. If log itself is not getting updated/logged, how can we move further in analyzing the issues without the recent/updated logs? Below are the logs found in the stdout.log: 18:55:50,303 INFO [Server] Core system initialized 18:55:52,296 INFO [WebService] Using RMI server codebase: http://kl121tez.is.klmcorp.net:8083/ 18:55:52,313 INFO [Log4jService$URLWatchTimerTask] Configuring from URL: resource:log4j.xml 18:55:52,860 ERROR [STDERR] LOG0026E The Log Manager cannot create the object AmasRBPFTraceLogger without a class name. 18:55:52,860 ERROR [STDERR] LOG0026E The Log Manager cannot create the object AmasRBPFMessageLogger without a class name. 18:55:54,273 ERROR [STDERR] LOG0026E The Log Manager cannot create the object AmasCacheTraceLogger without a class name. 18:55:54,274 ERROR [STDERR] LOG0026E The Log Manager cannot create the object AmasCacheMessageLogger without a class name. 18:55:54,334 ERROR [STDERR] LOG0026E The Log Manager cannot create the object JACCTraceLogger without a class name. 18:55:54,334 ERROR [STDERR] LOG0026E The Log Manager cannot create the object JACCMessageLogger without a class name. 18:55:56,059 INFO [ServiceEndpointManager] WebServices: jbossws-1.0.3.SP1 (date=200609291417) 18:55:56,635 INFO [Embedded] Catalina naming disabled 18:55:56,671 INFO [ClusterRuleSetFactory] Unable to find a cluster rule set in the classpath. Will load the default rule set. 18:55:56,672 INFO [ClusterRuleSetFactory] Unable to find a cluster rule set in the classpath. Will load the default rule set. 18:55:56,843 INFO [Http11BaseProtocol] Initializing Coyote HTTP/1.1 on http-0.0.0.0-8180 18:55:56,844 INFO [Catalina] Initialization processed in 172 ms 18:55:56,844 INFO [StandardService] Starting service jboss.web

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  • Table Partitioning

    - by Ankur Gahlot
    How advantageous is it to use partitioning of tables as compared to normal approach ? Is there a sort of sample case or detailed comparative analysis that could statistically ( i know this is too strong a word, but it would really help if it is illustrated by some numbers ) emphasize on the utility of the process. Thanks, Ankur

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  • Sources of latency in sending-receiving tcp/udp packets in linux

    - by osgx
    Hello What are sources of latency in process of sending/receiving tcp/udp packets in linux 2.6 ? I want to know a latency sources in "ping-pong" latency tests. There are some rather good papers of ethernet latency, but they cover only latency sources in the wire and switch (and rather cursory, only for specific switch). What steps of processing does follow a packet? Papers with deep latency analysis of usual ping (icmp) will be useful too. I rely on community :)

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  • Using Java for 'nslookup -type=srv'

    - by user321524
    Hi: Is there a way in Java to do a Nslookup search on SRV records? I need to bind to Active Directory and would like to use the SRV records to help determine which of the ADs in the cluster are live. In command line the nslookup search string is: 'nslookup -type=srv _ ldap._tcp.ActiveDirectory domain name' Thanks.

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  • help me to my project [closed]

    - by latha
    hi. plz tel me to how to collect data for my project. as my projct relate to "sustainable urban infrastructure" so help me that what what data should i put to my project.i dont had any idea that how to do vit data analysis .so please direct me .

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  • ANCOVA in Python with Scipy/Numpy stats

    - by Shax
    I would like to know a way of performing ANCOVA(analysis of covariance) using Python with scipy. It is basically a statistical comparison of regression lines. I know Python can do ANOVA and it can also do regression line fitting with Scipy.stats. I'm not sure how to put those together to get an effective ANCOVA though, if it is possible. Regards, Shax

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  • How can I convert data encoded in WE8MSWIN1252 to utf8 for use in Python scripts?

    - by James Dean
    This data comes from an Oracle database and is extracted to flatfiles in encoding 'WE8MSWIN1252'. I want to parse the data and do some analysis. I want to see the text fields but do not need to publish the results to any other system so if some characters do not get converted perfectly I do not have a problem with that. I just do not want my parsing to fail with a decode error which is what I get if I use: inputFile = codecs.open( dataFileName, "r", "utf-8'")

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  • Are there any well known algorithms to detect the presence of names?

    - by Rhubarb
    For example, given a string: "Bob went fishing with his friend Jim Smith." Bob and Jim Smith are both names, but bob and smith are both words. Weren't for them being uppercase, there would be less indication of this outside of our knowledge of the sentence. Without doing grammar analysis, are there any well known algorithms for detecting the presence of names, at least Western names?

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  • Apple Push Notification Service server load?

    - by jenningj
    I'm preparing to set up a APNS message server, and I was wondering if anybody has done any analysis on APNS server load that they would be able to share. Minimum server specs, maximum messages per second, anything like that. Thanks! edit: I'm planning to implement this with .NET, but info about any platform would be incredibly useful.

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