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• how to specify in xml schema that either one of two fields must be present?

  - by matti

  i want to specify that either fieldname or freetext is always present in xml files that apply to xsd. is there a way to define it? <xs:complexType name="tSome"> <xs:sequence> <!-- either of 2 below have 2 be present. --> <xs:element name="fieldname" type="xs:string" minOccurs="0" /> <xs:element name="freetext"…

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• Read from one large file and write to many (tens, hundreds, or thousands) files in Java?

  - by Rudiger

  I have a large-ish file (4-5 GB compressed) of small messages that I wish to parse into approximately 6,000 files by message type. Messages are small; anywhere from 5 to 50 bytes depending on the type. Each message starts with a fixed-size type field (a 6-byte key). If I read a message of type '000001', I want to write append its payload to…

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• Why can one aliased C# Type not be accessed by another?

  - by jdk

  good stuff // ok to alias a List Type using AliasStringList = System.Collections.Generic.List<string>; // and ok to alias a List of Lists like this using AliasListOfStringList1 = System.Collections.Generic.List<System.Collections.Generic.List<string>>; bad stuff // However **error** to alias another alias using…

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• Why doesn't a URL with two hyphens ( in one segment ) match a Route in my Route Table?

  - by Atomiton

  I'm trying to resolve this URL Route: Route articlesByCategory = new Route("articles/c{cid}-{category}", new Handler); However, it seems like the following url won't resolve to this route: // doesn't work www.site.com/articles/c24-this-is-the-category-title // This works www.site.com/articles/c24-category I assume it has to do…

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• How to allow one thread to mutate an array property while another thread iterates on a copy of the a

  - by Steve918

  I would like to implement an observer pattern in Objective-C where the observer implements an interface similar to SKPaymentTransactionObserver and the observable class just extends my base observable. My observable class looks something like what is below. Notice I'm making copies of the observers before enumeration to avoid…

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• mfc, can any one help with an algorithm for airbrush, i just can't understand how to do it....

  - by Erez

  Hi all, Is there any way to fill an ellipse or a rect by point to point like in an airbrush tool in mspaint? I could not find a way to create an empty rect or an ellipse and then fill them up pixel by pixel or setting random pixels on screen in a circle way.... Can i tell setPixel to fill inside a dcellipse or anything like…

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• Receiving a JSON string & saving one of the array paramaters to the database as a full string

  - by ElTren

  Hi I have a JSON string that looks like this (Usingt Rails and a REST service) { person: { name:"Pepe", last:"Smith" hats:[ { team:"lakers", color:"purple"}, { team:"heats", color:"red" }] } } I want to be able to able to get that JSON, and save the Person to the database, but…

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• Java: one-liner to add things to a declared File[]?

  - by Heoa

  The directoryReader gets you dirs in current dir in File[]-format. Code DirectoryReader data = new DirectoryReader(); File[] dirs = data.getDirsInDir("."); File[] dirsMore = data.getDirsInDir(".."); // How can I append dirsMore to dirs-file[]?

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• Can managed and unmanaged C++/MFC be mixed in one dll?

  - by Walter Williams

  Previously we had software in MFC (VC6), VB6 and C# applications that needed to call the same engine written in C++ (and MFC). The engine required C++ for speed. At the time we decided to use COM as the interface because all three could use it with the least issues in marshalling, etc. Our MFC application is now deprecated…

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• How can I monitor if a cookie is being sent to a domain other than the one it originated from?

  - by Brendan Salt

  I am trying to write a program that will verify that all cookies sent out from the machine are in fact going to the domain they came from. This is part of a larger security project to detect cookie based malicious attacks (such as XSS). The main snag for this project is actually detecting the out-going cookies. Can someone…

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• Has any one used client_side_validations gem with Chosen.js dropdown?

  - by Abid

  I am using chosen.js (http://harvesthq.github.com/chosen/). I was wondering if anyone has been able to use chosen select boxes and client_side_validations together. The issue is that when we use chosen it hides the original select element and renders its own dropdown instead, and when we focus out the validation isn't…

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• How does one go about understanding GNU source code?

  - by Max Dwayne

  I'm really sorry if this sounds kinda dumb. I just finished reading K&R and I worked on some of the exercises. This summer, for my project, I'm thinking of re-implementing a linux utility to expand my understanding of C further so I downloaded the source for GNU tar and sed as they both seem interesting. However,…

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• Reading from a oracle temp table in a separate procedure than the one it was populted in

  - by Bob

  I have a 2 stored procedures, the first creates an oracle temp table and the second reads from it. The temp table only has scope for that session. I'm calling the procedures from .Net and the second procedure never returns any results. However if I use the same sprocs and parameters in SQL*Plus it works fine. I've…

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• PHP: Included function versus call to a static function. Is one better than the other?

  - by Mike

  I have a message class that I use like so: RedirectMsg::go('somepage.php', MessageType::ERROR, 'Your message here.'); Would it be better to use a regular function? Or is this a personal preference issue? redirectMsg('somepage.php', MessageType::ERROR, 'Your message here.');

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• Does set affinity ensure that only one core resources are used?

  - by Kailash

  Hello, I just wanted to find out if setting cpu affinity ensure that the application runs only on that core ?

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• limiting consecutive values of one column in a sql query.

  - by Brad Smith

  I have a table with the following structure: id -int(11) event_id -int(11) photo_id -int(11) created_at -datetime How do I write a query that will return the 100 most recent rows, but insuring that there are no more than 4 consecutive rows with the same value in photo_id

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• how to get multiple value from one textbox in javasript?

  - by angel ansari

  hi, I have created web application and textbox as a textarea.i am using javascript for validation.When i enter value in text box so it should be number not alphabet i have use textmode is multiple line. My problem is that how i get multiple value from textbox and store in array in javascript and check each…

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• Why do browsers use my saved password for all forms in the one site?

  - by user313272

  Is there a way to limit the url of saved credentials in browsers? For example, if I save a username and password for http://www.website.com/login can I make it so that the rest of the forms in the site don't use these details? http://www.website.com/members, http://www.website.com/admin etc... I'm aware of…

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• Index, assignment and increment in one statement behaves differently in C++ and C#. Why?

  - by Ivan Zlatanov

  Why is this example of code behaving differently in c++ and C#. [C++ Example] int arr[2]; int index = 0; arr[index] = ++index; The result of which will be arr[1] = 1; [C# Example] int[] arr = new int[2]; int index = 0; arr[index] = ++index; The result of which will be arr[0] = 1; I find this very…

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• How can one extra rdf:about or rdf:ID properties from triples using SPARKQL?

  - by lennyks

  It seemed a trivial matter at the beginning but so far I had not managed to get unique identifier for a given resource using SPARKQL. What I mean is given and then some properties identifiying this resource in perfect world I want to first know how to retrieve an individual triple given some uri. I have…

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• Using matlab, why does something like fts.data work in one directory but not another?

  - by CptanPanic

  I am working with the finacial tooldbox that has a type called FINTS, If I copy some code out of its toolbox directory to customize it, when I try do do something like fts.data, I get The specified field, 'data', does not exist in the object. But the same thing works fine in the matlab library…

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• How do I gather TeamCity code coverage reports from multiple projects into one report?

  - by Loofer

  We use the build in coverage application in TeamCity 6 (about to upgrade to 7.1) If we wish to see the code coverage (or other metrics) of a particular build it is fine as we can navigate to that build, but it would be great if we could pluck out a few interesting metrics from all/some of the…

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• How to set a reference from one object to another?

  - by Tzur Gazit

  Hi, Imagine the obvious model of employees and departments, where each employee must refer to a single department, and each department may have none to many employees. For Employee I have a pointer to Department, and I set its value to the address of the object of the relevant Department. …

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• How to update a table using a select group by in a second one as the data source in MySQL?

  - by Jader Dias

  I can't do this in MySQL UPDATE tableA, tableB SET tableA.column1 = SUM(tableB.column2) WHERE tableA.column3 = tableB.column4 GROUP BY tableB.column4 ; Neither can I UPDATE tableA, ( SELECT SUM(tableB.column2) sumB, tableB.column4 FROM tableB GROUP BY tableB.column4 ) t1 SET…

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• How to send a EML file as email using python script to list of emails one at a time?

  - by affan

  I want to write a simple python script that send a EML file exported from Outlook though given smtp server as email to a given list of emails. I know how to send a simple email but sending a EML file as email is not something i could do and could not find it on Google. Can anyone help…

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