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  • DataContractJsonSerializer produces list of hashes instead of hash

    - by Jacques
    I would expect a Dictionary object of the form: Dictionary<string,string> dict = new Dictionary<string,string>() {["blah", "bob"], ["blahagain", "bob"]}; to serialize into JSON in the form of: { "blah": "bob", "blahagain": "bob" } NOT [ { "key": "blah", "value": "bob" }, { "key": "blahagain", "value": "bob"}] What is the reason for what appears to be a monstrosity of a generic attempt at serializing collections? The DataContractJsonSerializer uses the ISerializable interface to produce this thing. It seems to me as though somebody has taken the XML output from ISerializable and mangled this thing out of it. Is there a way to override the default serialization used by .Net here? Could I just derive from Dictionary and override the Serialization methods? Posting to hear of any caveats or suggestions people might have.

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  • curl object moved here error, bash

    - by adam n
    I'm trying to download an html file with curl in bash. When I download it manually, it works fine. However, when i try and run my script through crontab, the output html file is very small and just says "Object moved to here." with a broken link. Does this have something to do with the sparse environment the crontab commands run it? I found this question: http://stackoverflow.com/questions/1279340/php-ssl-curl-object-moved-error but i'm using bash, not php. What are the equivalent command line options or variables to set to fix this problem in bash? (I want to do this with curl, not wget)

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  • How do I print an array in Rails?

    - by Abid Hussain
    I am new to Rails and I am using Ruby version 1.9.3 and Rails version 3.0.0. I want to print an array in Rails. How do I do that? For example, we have to use print_r to print an array in PHP: <?php $a = array ('a' => 'apple', 'b' => 'banana', 'c' => array ('x', 'y', 'z')); print_r ($a); ?> Output: <pre> Array ( [a] => apple [b] => banana [c] => Array ( [0] => x [1] => y [2] => z ) ) </pre> How do I print an array in Rails?

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  • The jsf2 h:outputText tag is not formating the h:outputText with the MessageFormat

    - by Thiago Diniz
    The jsf2 h:outputText tag is not formating the h:outputText with the MessageFormat my faces config <application> <resource-bundle> <base-name>Messages_pt_BR</base-name> <var>bundle</var> </resource-bundle> </application> My resource bundle: ... EventPageTitle=Event: {0} ... My JSF2 XHTML: <h:outputText value="#{bundle.EventPageTitle}" > <f:param value="#{seuTicketEventController.selected.eventName}"/> </h:outputText> The Output: Event: {0} Does anyone knows how to solve this problem? I have searched everywhere but i can't a solution!

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  • ASP.NET Grid AjaxPanel Download Issue

    - by Mahesh
    Hi, I have a telerik grid which is performing operations like searching,sorting,filtering etc. To make customers happy, we put this control in an ajax panel for seamless experience. Now, we added a new functionality to the grid where the customer can download the entire row information as a csv file. As the response is a file, ajax panel is trying to parse the output and throwing the following exception: Microsoft JScript runtime error: Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed. Common causes for this error are when the response is modified by calls to Response.Write(), response filters, HttpModules, or server trace is enabled. Details: Error parsing near '?'. Could you please help me in having both functionalities( Ajax and Download) in place without any error?? Thanks, Mahesh

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  • Why does Perl's readdir() cache directory entries?

    - by Frank Straetz
    For some reason Perl keeps caching the directory entries I'm trying to read using readdir: opendir(SNIPPETS, $dir_snippets); # or die... while ( my $snippet = readdir(SNIPPETS) ) { print ">>>".$snippet."\n"; } closedir(SNIPPETS); Since my directory contains two files, test.pl and test.man, I'm expecting the following output: . .. test.pl test.man Unfortunately Perl returns a lot of files that have since vanished, for example because I tried to rename them. After I move test.pl to test.yeah Perl will return the following list: . .. test.pl test.yeah test.man What's the reason for this strange behaviour? The documentation for opendir, readdir and closedir doesn't mention some sort of caching mechanism. "ls -l" clearly lists only two files.

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  • Maintaining both sides of self-referential many-to-many relationship in Grails domain object

    - by Ali G
    I'm having some problems getting a many-to-many relationship working in grails. Is there anything obviously wrong with the following: class Person { static hasMany = [friends: Person] static mappedBy = [friends: 'friends'] String name List friends = [] String toString() { return this.name } } class BootStrap { def init = { servletContext -> Person bob = new Person(name: 'bob').save() Person jaq = new Person(name: 'jaq').save() jaq.friends << bob println "Bob's friends: ${bob.friends}" println "Jaq's friends: ${jaq.friends}" } } I'd expect Bob to be friends with Jaq and vice-versa, but I get the following output at startup: Running Grails application.. Bob's friends: [] Jaq's friends: [Bob] (I'm using Grails 1.2.0)

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  • Multithreading/Parallel Processing in PHP

    - by manyxcxi
    I have a PHP script that will generate a report using PHPExcel from data queried from a MySQL DB. Currently, it is linear in processing in that it gets the data back from MySQL, reads in the Excel template, writes the data to the template, then outputs it. I have optimized the code to the point that the data is only iterated over once, and there is very little processing done on the PHP side. The query returns hundreds of lines in less than .001 seconds, so it is running fast enough. After some timing I have found my bottlenecks to be (surprise, surprise) reading the template and writing the output. I would like to do this: Spawn a thread/process to read the template Spawn a thread/process to fetch the data Return back to parent thread - Parent thread will wait until both are complete Proceed on as normal My main questions are is this possible, is it worth it? If yes to both, how would you tackle it? Also, it is PHP 5 on CentOS

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  • Silverlight: Why can't silverlight see my xaml file referenced in MergedDictionary?

    - by Sergio
    Hi there, I have a silverlight application with a number of styles defined in a seperate xaml file under the directory /Styles. My App.xaml looks like this: <Application.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="/Styles/Legend.xaml"/> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </Application.Resources> Legend.xaml has its build action set to Content and 'Do Not Copy' as the copy to output directory setting. The message I'm getting in blend is: An error occurred while finding the resource dictionary "/Styles/Legend.xaml" Thanks in advance!

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  • linear interpolation on 8bit microcontroller

    - by JB
    I need to do a linear interpolation over time between two values on an 8 bit PIC microcontroller (Specifically 16F627A but that shouldn't matter) using PIC assembly language. Although I'm looking for an algorithm here as much as actual code. I need to take an 8 bit starting value, an 8 bit ending value and a position between the two (Currently represented as an 8 bit number 0-255 where 0 means the output should be the starting value and 255 means it should be the final value but that can change if there is a better way to represent this) and calculate the interpolated value. Now PIC doesn't have a divide instruction so I could code up a general purpose divide routine and effectivly calculate (B-A)/(x/255)+A at each step but I feel there is probably a much better way to do this on a microcontroller than the way I'd do it on a PC in c++ Has anyone got any suggestions for implementing this efficiently on this hardware?

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  • Cocoa Memory Usage

    - by user288024
    I'm trying to track down some peculiar memory behavior in my Cocoa desktop app. My app does a lot of image processing using NSImage and uploads those images to a website over HTTP using NSURLConnection. After uploading several hundred images (some very large), when I run Instrument I get no leaks. I've also run through MallocDebug and get no leaks. When I dig into object allocations using Instrument I get output like this: GeneralBlock-9437184, Net Bytes 9437184, # Net 1 GeneralBlock-192512, Net Bytes 2695168, # Net 14 and etc., for smaller sizes. When I look at these in detail, they're marked as being owned by 'Foundation' and created via NSConcreteMutableData initWithCapacity. During HTTP upload I'm creating a post body using NSMutableData, so I'm guessing these are buffers Cocoa is caching for me when I create the NSMutableData objects. Is there a way to force Cocoa to free these? I'm 90% positive I'm releasing correctly (and Instruments and MallocDebug seem to confirm this), but I think Cocoa is keeping these around for perf reasons since I'm allocating so many MSMutableData buffers.

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  • MathML or OMML to PNG w/ .NET?

    - by charliedigital
    Are there any libraries which take MathML (or, even more preferably, OMML) and outputs a .PNG file? I am putting together an export process for .docx files and, as a part of this process, I'd like to extract equations and render them as .PNG files. Word 2007 does this natively when you save a document for the web, but so far, I have not been able to find a way to do this programmatically (if anyone has an answer for that, it would be even better). So the next best thing is to take the OMML and use the Microsoft provided XSL stylesheets and transform them to MathML. Unfortunately, I haven't been able to find any (working) rendering libraries for either MathML or OMML. If there aren't any pure .NET libraries for this, I'll settle for just about anything that I can call from a commandline to output a .PNG from either MathML or OMML.

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  • Embedded BI for ASP.NET

    - by Michael Shimmins
    Can anyone recommend a decent business intelligence & reporting application that can be integrated into an OEM application? Primary requirements are: Administrators can define cubes/dimensions etc (or we - the OEM - can predefine some) Report designers can easily inspect data by visually selecting dimensions, filters etc in an adhoc way that is quickly output with little upfront investment Report designers can design a report based on dimensions/filters and save their definition to be run as required Report viewers can view the reports defined by the report designers All of this plus in .NET that can be branded/integrated into our existing web application's look and feel. Permissions need to work off our user/groups system. I've found a few that look good, but they are all in Java and I don't want to ask our clients to install ASP.NET for the app, and then Java, tomcat etc just for reporting. Thanks

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  • Integrate Cppcheck with Emacs

    - by N.N.
    Is it possible to integrate Cppcheck with Emacs in a more sophisticated way than simply calling the shell command on the current buffer? I would like Emacs to be able to parse Cppcheck's messages and treat them as messages from a compiler (similar to how compile works), such as using C-x ` to visit the targets of Cppcheck's messages. Here is some example output Cppcheck: $ cppcheck --enable=all test.cpp Checking test.cpp... [test.cpp:4]: (error) Possible null pointer dereference: p - otherwise it is redundant to check if p is null at line 5 [test.cpp:38]: (style) The scope of the variable 'i' can be reduced [test.cpp:38]: (style) Variable 'i' is assigned a value that is never used [test.cpp:23]: (error) Possible null pointer dereference: p [test.cpp:33]: (error) Possible null pointer dereference: p Checking usage of global functions.. [test.cpp:36]: (style) The function 'f' is never used [test.cpp:1]: (style) The function 'f1' is never used [test.cpp:9]: (style) The function 'f2' is never used [test.cpp:26]: (style) The function 'f3' is never used

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  • Correct handling of OnMouseWheel events in Ext-GWT

    - by Kevin Loney
    I'm trying to figure out which property of BoxComponentEvent will tell me if the generated OnMouseWheel event was a scroll-up or scroll-down event. I have output the values of all the properties BoxComponentEvent exposes; and all of them (with the exception of the coordinates at which the event took place) stay the same regardless. Google and the Ext-GWT docs have been pretty useless for providing a concrete example. public class MyPanel extends ContentPanel { // ... public MyPanel() { addListener(Events.OnMouseWheel, new Listener<BoxComponentEvent>() { public void handleEvent(BoxComponentEvent be) { // What happens here to distinguish scroll-up and scroll-down? } }); } protected void afterRender() { super.afterRender(); el().addEventsSunk(Events.OnMouseWheel.getEventCode()); } // ... }

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  • Drupal Views Multiple values being returned when using a relationship

    - by Linda
    I am having a problem with views. I have a view and am passing it a taxonomy term by name to it. I then have a relationship to a related node. For my output fields I am returning the related Title and related Body. I however have duplicates in my results. I have turned distinct to yes but believe this is working on the nodes being return and not the related node. Any ideas how I can remove the duplicates?

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  • C++ STL library in XCode - memset not defined in this scope

    - by Sharath
    I am trying to create a STL based C++ library in XCode with a bunch of C++ files that I have. Basically my end output should be a shared library (dylib) that can be consumed by a Objective-C application. When trying to compile, I get the following error.. 'memset' was not declared in scope. Since my codebase uses a lot of external 3rd party codebases, I thought i'll include or to resolve this, but I tried both and even that didn't work. Does it have something to do with the SDK? Am currently running 10.5 with GCC 4.2 Need help with setting up the Target properly. Any help is appreciated. Thanks.

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  • Qt, unit testing and mock objects.

    - by Eye of Hell
    Hello. Qt framework has internal support for testing via QtTest package. Unfortunately, i didn't find any facilities in it that can assist in creating mock objects. Qt signals and slots offers a natural way to create a unit-testing friendly units with input (slots) and output (signals). But is it any easy way to test that calling specified slot in object will result in emitting correct signals with correct arguments? Of course i can manually create a mock objects and connect them to objects being tested, but it's a lot of code. Maybe it's some techniques exists that allows to somehow automate mock objects creation while unit-testing Qt-based applications?

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  • R strsplit and vectorization

    - by James
    When creating functions that use strsplit, vector inputs do not behave as desired, and sapply needs to be used. This is due to the list output that strsplit produces. Is there a way to vectorize the process - that is, the function produces the correct element in the list for each of the elements of the input? For example, to count the lengths of words in a character vector: words <- c("a","quick","brown","fox") > length(strsplit(words,"")) [1] 4 # The number of words (length of the list) > length(strsplit(words,"")[[1]]) [1] 1 # The length of the first word only > sapply(words,function (x) length(strsplit(x,"")[[1]])) a quick brown fox 1 5 5 3 # Success, but potentially very slow Ideally, something like length(strsplit(words,"")[[.]]) where . is interpreted as the being the relevant part of the input vector.

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  • Macports sudo expands ~ to /var/root in python

    - by calavera
    This might be a bit dev-heavy for the site... but here goes. I installed the macports version of sudo. All is well, except for one thing. Using python 2.6 to expand ~ to the user's home directory results in a different output than the version of sudo that comes with Snow Leopard. For example consider the following python code: #expand_home_dir.py import os os.path.expanduser('~') Below are 3 different calls of the code listed above. The first call using sudo is using the Macports version because my $PATH begins with /opt/local/bin: robert$ python2.6 expand_home_dir.py /Users/robert robert$ sudo python2.6 expand_home_dir.py /var/root robert$ /usr/bin/sudo python2.6 expand_home_dir.py /Users/robert Any idea why this is happening?

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  • Embedded views and resources (mvc)

    - by Steve Ward
    Hi I've embedded several views in a library so that I can re-use across projects using this method which works OK: http://www.wynia.org/wordpress/2008/12/aspnet-mvc-plugins/ But one view usings a Javascript file. I've tried marking this as an embedded resource and adding it AssemblyInfo.cs and then referencing this resource using <%= ClientScript.GetWebResourceUrl(this.GetType(), "FullPath.FileName.js")%> This is literally displaying this output in the view WebResource.axd?d=nUxqfqAUQLabLU54W I think this is because Im trying to refer to an embedded resource from an embedded resource. Help appreciated as Im going round in circles.. Steve

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  • How to extract specific variables from a string?

    - by David
    Hi, let's say i have the following: $vars="name=david&age=26&sport=soccer&birth=1984"; I want to turn this into real php variables but not everything. By example, the functions that i need : $thename=getvar($vars,"name"); $theage=getvar($vars,"age"); $newvars=cleanup($vars,"name,age"); // Output $vars="name=david&age=26" How can i get only the variables that i need . And how i clean up the $vars from the other variables if possible? Thanks

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  • PHP's SimpleXML not handling &#8217 ; properly

    - by Matty
    I'm parsing an RSS feed that has an &#8217; in it. SimpleXML turns this into a ’. What can I do to stop this? Just to answer some of the questions that have come up - I'm pulling an RSS feed using CURL. If I output this directly to the browser, the &#8217; displays as ’ which is what's expected. When I create a new SimpleXMLElement using this, (e.g. $xml = new SimpleXmlElement($raw_feed); and dump the $xml variable, every instance of &#8217; is replaced with ’. It appears that SimpleXML is having trouble with UTF-8 ampersand encoded characters. (The XML declaration specifies UTF-8.) I do have control over the feed after CURL has retrieved the feed before it's used to construct a SimpleXML element.

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  • Referencing assemblies created with ILMerge in Visual Studio projects

    - by Daniel Schaffer
    I have a solution in Visual Studio with 5 projects. They are: Foo.Core: Core functionality Foo.Api: Generated code built on top of core Foo.Web: Web-specific extensions Foo.Web.Mvc: MVC-specific extensions Newtonsoft.Json: 3rd party library I want to use ILMerge to merge Foo.Core, Foo.Api and Newtonsoft.Json into a single assembly, called Foo. That's the easy part. The problem I'm running into is that Foo.Web and Foo.Web.Mvc both need to reference all three of the merged assemblies. If I reference the original assemblies, they will have invalid references after I do the ILMerge. If I reference the ILMerged assembly, I have to reference a debug assembly and then change it before I package everything up, which doesn't seem ideal. I've tried creating a project called Foo, which references the 3 merged assemblies and replaces its own output with the ILmerged assembly, but that doesn't seem to work at all. Is there a reliable way to do this?

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  • Python decoding issue with hashlib.digest() method

    - by Sorw
    Hello StackOverflow community, Using Google App Engine, I wrote a keyToSha256() method within a model class (extending db.Model) : class Car(db.Model): def keyToSha256(self): keyhash = hashlib.sha256(str(self.key())).digest() return keyhash When displaying the output (ultimately within a Django template), I get garbled text, for example : ?????_??!`?I?!?;?QeqN??Al?'2 I was expecting something more in line with this : 9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08 Am I missing something important ? Despite reading several guides on ASCII, Unicode, utf-8 and the like, I think I'm still far from mastering the secrets of string encoding/decoding. After browsing StackOverflow and searching for insights via Google, I figured out I should ask the question here. Any idea ? Thanks !

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