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  • Spring WS & Validator interceptor

    - by mada
    I have a endpoint mapping a webservice which is used to insert in the dabatabase some keywords: @Transactional(readOnly = false,isolation= Isolation.SERIALIZABLE) public Source saveKW(...). The input is a request. I would like to add an interceptor on the method in order to validate the parameters. this one will read some values from the DB. i would like that this interceptor is EMBED in the transaction declared for the endpoint (or this opposite). In other words, i want them to be in the same transaction. Ideally im looking for something like this with annotation: @Transactional(readOnly = false,isolation= Isolation.SERIALIZABLE) @validator("KeyWordValidaor.class") public Source saveKW(...) where KeyWordValidaor will be class validating the parameters. Have you any idea or short examples to implements this like this way or in a other real way?

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  • Cheat sheet exhibiting bash shell stdout/stderr redirection behavior

    - by SetJmp
    Is there a good cheat sheet demonstrating the many uses of BASH shell redirection? I would love to give such a thing to my students. Some examples I'd like to see covered: cmd > output_file.txt #redirect stdout to output_file.txt cmd 2> output_file.txt #redirect stderr to output_file.txt cmd >& outpout_file.txt #redirect both stderr and stdout to output_file.txt cmd1 | cmd2 #pipe cmd1 stdout to cmd2's stdin cmd1 2>&1 | cmd2 #pipe cmd1 stdout and stderr to cmd2's stdin cmd1 | tee result.txt #print cmd1's stdout to screen and also write to result.txt cmd1 2>&1 | tee result.txt #print stdout,stderr to screen while writing to result.txt (or we could just make this a community wiki and enumerate such things here) Thanks! SetJmp

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  • WinAPI C - RunAsUser from REDMON_USER and REDMON_SESSIONID

    - by scriptmaster
    I installed a PostScript printer driver and have setup REDMON (redmonnt.dll) for redirecting postscript output to my program. In my rather simple c program I capture the data from STDIN and I am able to successfully save it into a .ps file. The file looks OK. However, I want to start gsview.exe for viewing the file. If I call ShellExecute it fails in Windows 7 because of permission issues. It seems that my program is called under a different user account (LOCAL SERVICE). So I am looking for a way to run gsview.exe under a specific username (the user who initiated the print job is available to me in a variable as REDMON_USER along with the SESSIONID as well. I am stuck (and my stack is overflowing =) What are the minimum WinAPI call I need to use to launch a program given a username and a sessionid? Any code examples in C/C++, .NET would be very helpful

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  • Substring and its reverse in a string

    - by christa
    My professor was talking about this in a Dynamic programming class and asked us to think over it. She gave us some examples as well. Given a string, we were to find the longest continuous subsequence whose reverse is also a subsequence present in the given string. Example: INPUT: pqrstuvtsrv OUTPUT: i=3, k=2 rst -> tsr (rst found first at i=3 and for 2 more positions) INPUT: mpqrsrqp OUTPUT: i=2, k=6 pqrsrqp in reverse INPUT: mmpqssss OUTPUT: i=5, k=3 I thought of putting the string and its reverse into 2 different arrays and comparing character by character. But I'm sure this is not the best way to do it. Any suggestions as to what could be the most efficient ?

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  • Java Inter Application Form Communication Observer Pattern

    - by ikurtz
    Observer pattern? Where do i get examples of this in Java (i know google but was hoping for some personal insight also.) On to a proper explanation of my issue: i have 3 forms/windows. "board" is the main form that loads as the application. "chat" is where the text chat takes place. "network" is where network connection is established. i have the game (connect4) working locally and i would like to implement a networked version of it also. my idea is maybe it is related to Observer pattern to have a thread (or something) monitoring network state during runtime and update the chat and board forms of the current network status as well as delivering received data from the network. are my ideas valid? or how should i go about establishing network and network status updates throughout the application? thank you for your input.

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  • Verifying the purchaser of an App Store application

    - by Keldi
    Is there a way for the developer of an App Store application to tie a sale to an individual user/device ID/Apple account? In other words, a method for the developer to double-check that a specific user has legally purchased the software? I haven't been able to find a reliable answer to this yet. I'm not looking for specific code examples, just some sort of idea as to how possible (or difficult) this is. My intent isn't to penalize piracy; it's to be able to provide additional benefits to paid customers. As such, I'm not looking for a way to identify a cracked or pirated version, which I gather has already been solved. Thanks in advance for any help you can provide!

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  • Setting up gcov in Xcode 3.1

    - by Algorithmic
    I'm trying to setup my Xcode project to be instrumented with gcov so I can determine the code coverage of my unit tests. All of the documentation I find online talks about settings that I don't find in Xcode 3.1, though. An example: To work with Coverstory, first you need to set up your target to work with gcov. This requires turning on "Instrument Program Flow", "Generate Test Coverage Files" and linking with the gcov library. (Using Coverstory) The closest thing I can find to "Instrument Program Flow" and "Generate Test Coverage Files" in my build settings is "Generate Profiling Code", which doesn't appear to do what I want it to do. Am I looking in the wrong place for these settings or are all of the examples I'm finding online stale?

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  • Why is there so much "magic" in Perl?

    - by eugene y
    I'm looking through perlop and perlsub pages of the Perl manual. There are many references about "magic" and "magical" here (just search any of them for the "magic"). I wonder why is Perl so rich in them. Some examples: print ++($foo = 'zz') # prints 'aaa' printf "%d: %s", $! = 1, $! # prints '1: Operation not permitted' use warnings; my $i; print $i++ # no warning for uninitialized value while (my $line = <FH>) { ... } # $line is actually tested for definedness

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  • rdoc and the "--accessor" option

    - by Brian Ploetz
    rdoc --help says: --accessor, -A accessorname[,..] comma separated list of additional class methods that should be treated like 'attr_reader' and friends. Option may be repeated. Each accessorname may have '=text' appended, in which case that text appears where the r/w/rw appears for normal accessors. Does anyone have any working examples of doing this (both the accessor method definition and the rdoc command invocation)? No matter what combination I try, my accessors will not show up in the RDoc output. Thanks.

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  • Which full-text search package should I use for SQLite3?

    - by Benjamin Pollack
    SQLite3 appears to come with three different full-text search engines, called FTS1, FTS2, and FTS3. The documentation available on the website mentions that FTS1 is stable, FTS2 is in development, and that you should use FTS2. Examples I find online use FTS3, which is in CVS, and not documented versus FTS2. None of the full-text search engines come with the amalgamated source, as near as I can tell. So, my question: which of these three engines, if any, should I use for full-text indexing in SQLite? Or should I simply use a third-party tool like Sphinx, or a custom solution in Lucene, instead?

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  • Free Online tools for testing mysql queries - having features like PhPMyAdmin

    - by Sandeepan Nath
    Can anybody tell me any "free online hosted database servers" (don't know if that is the correct term) where we can do query testing and all those things that we can do on tools like PhpMyAdmin? does something like that exist? Like we have http://jsfiddle.net/ for testing js codes. I checked http://sqlzoo.net/ but this is very much limited and there are some predefined tables in some given examples on which we can alter things. That's all. It does not allow me to do a lots of other things like creating tables etc. A nice resource - PhpMyAdmin's demo site . Use the latest stable version here. You have full control over the MySQL server, however you should not change root, debian-sys-maint or pma user password or limit their permissions. If you do so, demo can not be accessed until privileges are restored, so you just break things for you and other users.

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  • How to create a simple server/client application using boost.asio?

    - by the_drow
    I was going over the examples of boost.asio and I am wondering why there isn't an example of a simple server/client example that prints a string on the server and then returns a response to the client. I tried to modify the echo server but I can't really figure out what I'm doing at all. Can anyone find me a template of a client and a template of a server? I would like to eventually create a server/client application that receives binary data and just returns an acknowledgment back to the client that the data is received.

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  • TeamCity for continuous integration with Visual Studio 2010 solutions/projects

    - by JeffryEngberg
    I am running TeamCity build 5.1.1 on a virtual machine that also hosts our SVN environment. A team I support has recently made the move from Visual Studio 2008/Silverlight 3.0 to Visual Studio 2010/Silverlight 4.0 and when investigating how to do continuous integration with Visual Studio 2010 solutions/projects, it is not as cut and dried as it appeared to be in Visual Studio 2008. Previously I was using Web Deployment Projects and targeting different Release Configurations in TeamCity, which would use the Web Deployment Project to package/deploy the code to our various environments. However when checking out the new Publish ability in Visual Studio 2010 I cannot find a way to specify which location to deploy to. Does everything need to be done in MSBuild now (in the solution file or maybe the Web project file?). If anyone has any examples of how they've done Continuous Integration using TeamCity and Visual Studio 2010, it would be greatly appreciated as I am coming up blank at the moment.

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  • Plotting 3-tuple data points in a surface / contour plot using matplotlib

    - by morpheous
    I have some surface data that is generated by an external program as XYZ values. I want to create the following graphs, using matplotlib: Surface plot Contour plot Contour plot overlayed with a surface plot I have looked at several examples for plotting surfaces and contours in matplotlib - however, the Z values seems to be a function of X and Y i.e. Y ~ f(X,Y). I assume that I will somehow need to transform my Y variables, but I have not seen any example yet, that shows how to do this. So, my question is this: given a set of (X,Y,Z) points, how may I generate Surface and contour plots from that data? BTW, just to clarify, I do NOT want to create scatter plots. Also although I mentioned matplotlib in the title, I am not averse to using rpy(2), if that will allow me to create these charts.

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  • Using an XML Catalog with a Java library that uses JAXP internally

    - by Brian Ferris
    I'm using the Apache web service xml rpc library to make requests to an rpc service. Somewhere in that process is a xml document with a DTD reference to http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd, which the library attempts to download when parsing the XML. That download fails with a 503 status code because the w3c is blocking repeated downloads of this largely static document from Java clients. The solution is XML Catalogs to locally cache the DTD. However, while I can find examples of setting an EntityHandler on a JAXP SAXParser instance directly to enable catalog parser support, I don't actually have access to the underlying parser here. It's just being used by the xml rpc library. Is there any way I can set a global property or something that will tell JAXP to use XML catalogs?

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  • Sony Bravia JavaScript API & Emulator

    - by Kevin Williams
    I recently purchased a Sony Bravia TV that comes with Internet capability built in. It supports a number of internet capable widgets and web video streaming apps for sites like youtube, twitter & various yahoo! offerings. I'd like to hack on the SDK, but the only version I can find is Japanese. Is there an English version of the SDK? Where can I find some tutorials/examples? Japanese SDK Documentation (English Layout & JavaScript API pdfs included)

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  • Django file uploads - Just can't work it out

    - by phoebebright
    OK I give up - after 5 solid hours trying to get a django form to upload a file, I've checked out all the links in stackoverflow and googled and googled. Why is it so hard, I just want it to work like the admin file upload? So I get that I need code like: if submitForm.is_valid(): handle_uploaded_file(request.FILES['attachment']) obj = submitForm.save() and I can see my file in request.FILES['attachment'] (yes I have enctype set) but what am I supposed to do in handle_uploaded_file? The examples all have a fixed file name but obviously I want to upload the file to the directory I defined in the model, but I can't see where I can find that. def handle_uploaded_file(f): destination = open('fyi.xml', 'wb+') for chunk in f.chunks(): destination.write(chunk) destination.close() Bet I'm going to feel really stupid when someone points out the obvious!

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  • Wordpress rewrite image path

    - by Brad
    I've got a website that is running WordPress. It has several pictures that I am retrieving from a datafeed. The images from the datafeed are at locations like: http://image4.example.com/640/examples/example.jpg http://image4.example.com/640/example.jpg The image4 and 640 locations can change. I want to rewrite the images to where they show as from my website. I've tried: rewritecond %{HTTP_HOST} !^image4.example.com$ rewriterule ^([^/]+)$ http://image4.mywebsite.com/$1 [L,R=301] but it doesn't work. I don't know much about Mod Rewrite. any help would be appreciated, and no I'm not hijacking the images, i have permission to use them and the bandwidth. Thanks -Brad

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  • How to upload a CSV file and and read it's data in the client side itself and send the data as a stream through a ajax post?

    - by sunshine
    I need to upload a CSV file and get its contents form the client side itself. Then post it to the server where I can retriev the stream and do the string manipulations in the serer action methods. Is there any jquery plugin for this task to upload a csv file and send data as a stream using ajax or jason? I am really new to this area.I am working in VS2010 AND mvc3. Can some one give me a clear solution for this mater?? Any examples?? I did search a lot but did not find any suitable solution yet. Can anyone please help me with this matter. Thanks so much.

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  • Java + MS Exchange: how to retrieve .msg files

    - by Cesar
    Dear people, I've created a Java program with which I can retrieve mail from an Exchange mailserver. Problem is: the mail is in EML format and I need the MSG format! Right now I'm retrieving mail through the web access part of Exchange, using the Apache Slide project... is it possible at all to use java to retrieve msg files from an Exchange server? I've seen examples of C# code, .NET code etc.. isn't it possible somehow to integrate these pieces of code with Java so I can use it to retrieve mail? Greets, Cesar

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  • Verify mail server connection programmatically in ColdFusion

    - by Sergii
    I'm using custom SMTP servers and would like to verify the connection when user enters his own server credentials. Exactly the same type of check as Adobe CF and Railo allow to do when adding mail server. Sure, this does not guarantee that delivery will be working, but at least to check that entered server/username/pass are valid. I can see one tricky way: try to send the email with cfmail and check the mail log. But I believe that it can be done with more elegant. Is there any Java library available with standard ACF/Railo distro to help me? How would I use them? Examples are highly appreciated. Thanks in advance. EDIT: Please don't be confused with Java tag present. Solution needed in CFML. Though it can use some Java libraries, if applicable.

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  • How would you adblock using Python?

    - by regomodo
    I'm slowly building a web browser in PyQt4 and like the speed i'm getting out of it. However, I want to combine easylist.txt with it. I believe adblock uses this to block http requests by the browser. How would you go about it using python/PyQt4? [edit1] Ok. I think i've setup Privoxy. I haven't setup any additional filters and it seems to work. The PyQt4 i've tried to use looks like this self.proxyIP = "127.0.0.1" self.proxyPORT= 8118 proxy = QNetworkProxy() proxy.setType(QNetworkProxy.HttpProxy) proxy.setHostName(self.proxyIP) proxy.setPort(self.proxyPORT) QNetworkProxy.setApplicationProxy(proxy) However, this does absolutely nothing and I cannot make sense of the docs and can not find any examples. [edit2] I've just noticed that i'f I change self.proxyIP to my actual local IP rather than 127.0.0.1 the page doesn't load. So something is happening.

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  • ZooKeeper and RabbitMQ/Qpid together - overkill or a good combination?

    - by Chris Sears
    Greetings, I'm evaluating some components for a multi-data center distributed system. We're going to be using message queues (via either RabbitMQ or Qpid) so agents can make asynchronous requests to other agents without worrying about addressing, routing, load balancing or retransmission. In many cases, the agents will be interacting with components that were not designed for highly concurrent access, so locking and cross-agent coordination will be needed to avoid race conditions. Also, we'd like the system to automatically respond to agent or data center failures. With the above use cases in mind, ZooKeeper seemed like it might be a good fit. But I'm wondering if trying to use both ZK and message queuing is overkill. It seems like what Zookeeper does could be accomplished by my own cluster manager using AMQP messaging, but that would be hard to get really right. On the other hand, I've seen some examples where ZooKeeper was used to implement message queuing, but I think RabbitMQ/Qpid are a more natural fit for that. Has anyone out there used a combination like this? Thanks in advance, -Chris

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  • Java and C#, how close are they?

    - by prosseek
    I've been using C/C++ and Python pretty seriously, but I now I see that a lot of new programming books use Java or C# as examples. I don't think I'll use Java or C# for the time being, but I guess I have to study one of the languages (or both of them) in order to read and understand the books. How similar Java and C#? If I learn Java, is learning C# almost free? Or vice versa? If I have to choose only one of the two languages, which would be better? Which has wider coverage in terms of programming language?

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  • How do I pan the contents of a div when the right mouse button is dragged?

    - by Shaunwithanau
    I need a cross browser way of capturing the right mouse click, preventing the default context menu and making it where when the user drags the mouse they can pan the contents of a div. This is largely similar to Google maps in that they will grip the contents and drag to see what they want. No external libraries please. I am already capturing the events, and know that this will prevent default actions: if (evt.preventDefault) { evt.preventDefault(); } else { evt.returnValue = false; } But this doesn't prevent the context menu AFAIK. Edit: I really am unsure about how to prevent the context menu and what the best way to manipulate the scroll bars would be? examples would be great

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