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  • Receiving UDP broadcasts on multihomed systems

    - by theller
    I have a Windows XP machine with more than one network adapter. When I receive a UDP broadcast package from another machine that does not yet have a valid IP address, howcan I determine which network adapter received this package? I need to implement a kind on custom DHCP server...

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  • MVC Implementation PHP Zend PDF generation

    - by zod
    Am using Zend framework and PHP Am going to generate a PDF using Zend . So the View is PDF.There is no PHTML. But if i dont use PHTML in view , is it a perfect MVC? if i want to be a perfect MVC shall i do the db retrieval and variable declaration and assigning in controller and use view and use all pdf functions in view phtml file will it make a perfect MVC? What is the advantage of MVC in this case? :-) can i do the include of zend pdf in phtml file or controller php file? what is the difference ?

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  • Correct table layout generation with CSS: unexpected cells shift

    - by MrG
    I'm trying to generate a dynamic table using CSS: <html> <head> <style> div.el1, div.el2 { color:white; width:70px;height:70px; border:0px; padding:0px; font-size: 10px; font-family: "Courier"; } div.el1 { background-color: green; } div.el2 { background-color: orange; } div.tablediv { display: table; border:0px; border-spacing:0px; border-collapse:separate; } div.celldiv { display: table-cell; } div.rowdiv { display: table-row; width:auto; } </style> </head> <body> <div class="tablediv"> <div class="rowdiv"> <div class="celldiv"> <div class="el1" id="x1y1">ABC</div> </div> <div class="celldiv"> <div class="el2" id="x1y2"></div> </div> </div> <div class="rowdiv"> <div class="celldiv"> <div class="el1" id="x2y1"></div> </div> <div class="celldiv"> <div class="el1" id="x2y2"></div> </div> </div> </div> </body> </html> The content of body is dynamically generated and should be displayed as a table. Unfortunately, each cell shifts down if it contains data: expected reality --- --- --- --- | | | | | | --- --- |ABC|--- | | | | | | --- --- --- --- | | | --- --- I'm grateful for any help. Many thanks!

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  • dvi generation: no bounding box

    - by Akshey
    Hi, I wrote a research paper in latex and generated pdf using kile. It worked perfectly well. Now conference people are asking for dvi file also. But Kile's quick build process does not give a dvi file, but its 'Latex' compile process does. So I tried to compile the document, and it gave errors for includegraphics saying figure not found. When I append the correct extensions to the image names, that errors stopped coming but new errors came "bounding box is missing". I added bounding box values and now DVI file is being generated. My questions are: I have tried giving very high and low bounding box values but there is no deformation in the PDF. Why? Can I generate a DVI without giving bounding box values? Thanks and regards, Akshey

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  • PHP Doctrine: generation problem?

    - by ropstah
    I'm generating models from my Mysql db. It generates a foreign key collection properly, but not the other way around... Is this supposed to be 'by-design', or am i doing something wrong? pseudo code alert User: UserId pk LocationId fk //User location Location LocationId pk UserId fk //Location owner Generated code: class User() { hasMany('Location') //for locations owned by the user //BUT NOT THIS ONE: //hasOne('Location_1') //for current location of user } class Location() { hasMany('User') //for users which are on that location //AND NOT THIS ONE //hasOne('User_1') //for location owner }

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  • Free Testing / Code Coverage systems for C++

    - by Billy ONeal
    I'd like to start using a Test Driven Development system for a private project since I saw my employer using it and realized it was very useful. My employer's project was in C# but mines are in C and C++. I looked around and saw that several packages exist for both Java and .NET (for example: NCover, NUnit, ...). Unfortunately I found it difficult to find good C++ testing frameworks. Do you know of any unit testing frameworks that satisfy the following requirements? IMPORTANT: Must provide code coverage statistics, as I'd like to have some idea of how well my tests cover my code-base. Must be free Usable with C++ projects EDIT: To be clear, I know of many existing unit test frameworks. The code coverage piece is what's most important.

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  • Deterministic and non uniform long string generation from seed

    - by Limonup
    I had this weird idea for an encryption that I wanted to try out, it may be bad, and it may have done before, but I'm just doing it for fun. The short version of the question is: Is it possible to generate a long, deterministic and non-uniformly distributed string/sequence of numbers from a small seed? Long(er) version: I was thinking to encrypt a text by changing encoding. The new encoding would be generated via Huffman algorithm. To work well, the Huffman algorithm would need a fairly long text with non uniform distribution. Then characters can have different bit-lengths which would be the primary strength of this encryption. The problem is that its impractical to enter in/remember a long text each time you want to decrypt the text. So I was wondering if it was possible to generate a text from password seed? It doesn't matter what the text is, as long as it has non uniform distribution of characters and that the exact same sequence can be recreated each time you give it the same seed. Preferably, are there any functions/extensions in Python that can do this? EDIT: To expand on the "strength" of varying bit length: if I have a string "test", ASCII values 116, 101, 115, 116, which gives bit values of 1110100 1100101 1110011 1110100 Then, say my Huffman algorithm generates encoding like t = 101 e = 1100111 s = 10001 The final string is 101 1100111 10001 101, if we encode this back to ASCII, we get 1011100 1111000 1101000, which is 3 entirely different characters. Obviously its impossible to perform any kind of frequency analysis or something like that on this.

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  • Developing Qt applications in Unix systems using Qt Creator

    - by Jake Petroules
    I'm developing a Qt application in Linux using Qt Creator (2.1 RC). I've created 2 projects, and used the wizard to add the library project to the application project. However when I run it, I receive the error: /home/jakepetroules/silverlock/silverlock-build-desktop/desktop/silverlock: error while loading shared libraries: libsilverlocklib.so.1: cannot open shared object file: No such file or directory Is there some qmake variable I can set so that Qt Creator will set up the environment properly to run? It's quite annoying to have to copy all the files to another directory with a launcher script just to be able to test the build. On Windows it works perfectly - Qt Creator automatically adds the directories containing the DLLs to the PATH when it runs your application (where running it from Explorer would say DLL not found). Mac OS X is even worse, having to run install_name_tool on everything... So how can I set up my qmake files so everything works right from the run button in Qt Creator? Kind of hard to debug without this ability, too.

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  • iPhone Excel generation

    - by satyam
    I'm creating an application that generates purchase order. I'm able to create text file from the details entered by user. I would like to generate an Excel which looks much better than a normal text file. Is there any open source library that I can use in my application?

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  • Python: Dynamic attribute name generation without exec() or eval()

    - by PyNewbie27
    Hi, I'm trying to dynamically create buttons at runtime with PyQT4.7 However, this being my first python program I'm not sure how to get the functionality I want. I would like to be able to substitute a text string for an attribute name: i.e. for each in xrange(4): myname = "tab1_button%s" % each #tab1_button0, tab1_button1, tab1_button2 #self.ui.tab1_button0 = QtGui.QPushButton(self.ui.tab) <--normal code to create a named button setattr(self.ui,myname,QtGui.QPushButton(self.ui.tab)) #rewrite of line above to dynamicly generate a button #here's where I get stuck. this code isn't valid, but it shows what i want to do self.ui.gridLayout.addWidget(self.ui.%s) % myname #I need to have %s be tab1_button1, tab1_button2, etc. I know the % is for string substituion but how can I substitute the dynamically generated attribute name into that statement? I assume there's a basica language construct I'm missing that allows this. Since it's my first program, please take it easy on me ;)

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  • Automatic database generation / migration with perl

    - by pistacchio
    Hi, In Ror or Django or web2py you can "describe" a database (as a set of classes that remaps to tables) and the framework (having being provided with a connection string to the desired database) generates the tables, fields, relations and in the case of RoR and web2py it also keeps it up-to-date (eg, removing a class drops the table, adding a property to the class triggers an "alter table add" etc). Is there any perl module that does the same? Eg, it takes the YAML / XML / JSON description of a database as input and modifies / generates the database accordingly? Thanks in advance.

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  • authentication question (security code generation logic)

    - by Stick it to THE MAN
    I have a security number generator device, small enough to go on a key-ring, which has a six digit LCD display and a button. After I have entered my account name and password on an online form, I press the button on the security device and enter the security code number which is displayed. I get a different number every time I press the button and the number generator has a serial number on the back which I had to input during the account set-up procedure. I would like to incorporate similar functionality in my website. As far as I understand, these are the main components: Generate a unique N digit aplha-numeric sequence during registration and assign to user (permanently) Allow user to generate an N (or M?) digit aplha-numeric sequence remotely For now, I dont care about the hardware side, I am only interested in knowing how I may choose a suitable algorithm that will allow the user to generate an N (or M?) long aplha-numeric sequence - presumably, using his unique ID as a seed Identify the user from the number generated in step 2 (which decryption method is the most robust to do this?) I have the following questions: Have I identified all the steps required in such an authentication system?, if not please point out what I have missed and why it is important What are the most robust encryption/decryption algorithms I can use for steps 1 through 3 (preferably using 64bits)?

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  • XSD - problem with schema generation

    - by lm
    Hello I'm tring to generate schema for some type from assembly with xsd.exe here is command line : xsd.exe TestAssemby.dll /t:TestType Here is error I got Error: There was an error processing 'TestAssemby.dll'. - Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information I copied referenced dll into folder where is located according to http://social.msdn.microsoft.com/Forums/en/xmlandnetfx/thread/308e4f3a-e1c3-43f5-b7a6-a82f1395997d but still get the same error I have questions : 1) What can be possible reasons of such error ? 2) How should be used LoaderExceptions property ? ( example will be very helpful) Thanks in advance

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  • C: Random Number Generation - What (If Anything) Is Wrong With This

    - by raoulcousins
    For a simple simulation in C, I need to generate exponential random variables. I remember reading somewhere (but I can't find it now, and I don't remember why) that using the rand() function to generate random integers in a fixed range would generate non-uniformly distributed integers. Because of this, I'm wondering if this code might have a similar problem: //generate u ~ U[0,1] u = ( (double)rand() / ((double)(RAND_MAX)); //inverse of exponential CDF to get exponential random variable expon = -log(1-u) * mean; Thank you!

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  • Webservice proxy class generation

    - by kaivalya
    I include the below xsd file: <?xml version="1.0" encoding="utf-8"?> <xs:schema xmlns="http://www.xxxx.com/schemas/2005/06/messages" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.xxxx.com/schemas/2005/06/messages" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:include schemaLocation="xxxxCommonTypes.xsd" /> <xs:element name="HotelDetailRQ"> <xs:annotation> <xs:documentation>Request data to obtain detailed information for the specified hotel product.</xs:documentation> </xs:annotation> <xs:complexType> <xs:complexContent mixed="false"> <xs:extension base="CoreRequest"> <xs:sequence> <xs:element name="HotelCode"> <xs:annotation> <xs:documentation>Hotel code to obtain detailed inormation.</xs:documentation> </xs:annotation> <xs:simpleType> <xs:restriction base="xs:string"> <xs:minLength value="1" /> <xs:maxLength value="10" /> </xs:restriction> </xs:simpleType> </xs:element> </xs:sequence> </xs:extension> </xs:complexContent> </xs:complexType> </xs:element> </xs:schema> to a wsdl file via; <xsd:schema xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="http://axis.frontend.hydra.xxxx.com"> <xsd:import schemaLocation="C:\Users\xxxx\HotelDetailRQ.xsd" namespace="http://www.xxxx.com/schemas/2005/06/messages" /> </xsd:schema> The problem is when I add the wsdl file to visual studio as a web reference, it does not generate the HotelDetailRQ proxy class in reference.cs file. So I am unable to use a generated HotelDetailRQ class. I am not experienced in using xsd files or wsdl files. Can you point me to where I might be making mistake here?

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  • MVC routing problems - url generation

    - by roncansan
    Hi, I what to create a url that looks like website.com/sea/season/23/team Here is the MapRoute routes.MapRoute( "SeaTeam", "sea/season/{seasonId}/team/{action}/{name}", new { controller = "Team", action = "Index", name = UrlParameter.Optional} ); The Html.ActionLink looks like @Html.ActionLink("Add Team", "Index", "SeaTeam", new { seasonId = seasons.id }, null) But its generating the following url <a href="/SeaTeam?seasonId=1">Add Team</a> Any insights? Thanks...

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  • Cost-effective .Net solutions for report generation in Excel and PDF

    - by jamesaharvey
    I'm looking for some cost-effective solutions and/or open source options for generating reports in Excel and PDF format. I realize some of the open source options may have less in terms of functionality and flexibility than the COTS versions with all the bells and whistles, but are there any options out there that fall somewhere in between? EDIT: Essentially what I'll have are just some basic HTML reports of data in tables with some calculations/summary data but nothing fancy like graphs, etc. I'll then need the ability to export these HTML reports to Excel and/or PDF.

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  • Preventing Netbeans JAXB generation trashing classes

    - by Mac
    I'm developing a SOAP service using JAX-WS and JAXB under Netbeans 6.8, and getting a little frustrated with Netbeans trashing my work every time the XSD schema my JAXB bindings are based upon changes. To elaborate, the IDE automatically generates classes bound to the schema, which can then be (un)marshalled from/to XML using JAXB. To these classes I've added extra methods to (for example) convert to and from separate classes designed to be persisted to database with JPA. The problem is that whenever the schema changes and I rebuild, these classes are regenerated, and all my custom methods are deleted. I can manually replace them by copy-pasting from a backup file, but that is rather time-consuming and tedious. As I'm using an iterative design approach, the schema is changing rather frequently and I'm wasting an awful lot of time whenever it does, simply to reinstate my previous code. While the IDE automatically regenerating the JAXB-bound classes is entirely reasonable and I don't mean to imply otherwise, I was wondering if anyone had any bright ideas as to how to prevent my extra work having to be manually reinstated every time my schema changes?

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  • generation of random numbers in java

    - by S.PRATHIBA
    Hi all, I want to create 30 tables which consists of the following fields.For example, Service_ID Service_Type consumer_feedback 75 Computing 1 35 Printer 0 33 Printer -1 3 rows in set (0.00 sec) mysql select * from consumer2; Service_ID Service_Type consumer_feedback 42 data 0 75 computing 0 mysql select * from consumer3; Service_ID Service_Type consumer_feedback 43 data -1 41 data 1 72 computing -1 As you can infer from the above tables, i am getting the feedback values.I have generated these consumer_feedback values,Service_ID,Service_Type using the concept of random numbers .I have used the funtion int min1=31;//printer int max1=35;//the values are generated if the Service_Type is printer. int provider1 = (int) (Math.random() * (max1 - min1 + 1) ) + min1; int min2=41;//data int max2 =45 int provider2 = (int) (Math.random() * (max2 - min2 + 1) ) + min2; int min3=71;//computing int max3=75; int provider3 = (int) (Math.random() * (max3 - min3 + 1) ) + min3; int min5 = -1;//feedback values int max5 =1; int feedback = (int) (Math.random() * (max5 - min5 + 1) ) + min5; I need the Service_Types to be distributed uniformly in all the 30 tables.Similarly I need feedback value of 1 to be generated many times other than 0 and -1.Please Help me.

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  • XSD generation from a MS SQL database using schemas

    - by madprog
    I'm willing to use NDbUnit on a MS SQL database which uses schemas. I have to generate the XSD schema from the database. Visual Studio has a tool to do that, but Visual Studio 2005 doesn't include the schema information in the generated XSD. Therefore, NDbUnit fails because the generated SQL queries do not match the database. Worse, when I try to use Proteus, the XSD schema doesn't validate against the database, and Proteus fails with a warning telling that data could be lost if this check was skipped. So, my question is: is there any tool that would generate my XSD schema properly and from the database information?

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  • Webservice description - xsd schema and xml generation

    - by dominolog
    Hello I want to design a WebService for communication between Win Mobile 6.5 based Palm device and a PHP web server. The Palm device software will be developed on .NET compact framework. The communication between web server and device I envision as XML over HTTP. I want a tool that will let me design the Webservice (interfaces, methods) and then generate the xsd schema together with xml messages for the communication. Can you recommend something? Regards

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  • Auto generation of Web Service sample, help and documentation

    - by orjan
    We're using javax.jws.WebServices deployed in a Glassfish server, is there a way to auto generate documentation like the one ASMX services generates? ASMX services display methods in service ASMX services when running locally could be easily tested with a prebuilt form ASMX services provided a sample request and response XML message http://keithelder.net/blog/archive/2008/01/15/How-to-Get-Around-WCFs-Lack-of-a-Preview-Web.aspx In Glasshfish together with /test/TestApi?wsdl there's /test/TestApi?Tester but it doesn't work, I don't know if it can be used to provide similar features as above?

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  • Strings Generation

    - by sikas
    Hi,I would like to know how can I create various string from some given characters eg: given characters: a, b I would like to generate the following strings: aa ab ba bb What I have thought of is having (for 2 inputs only) two for-loops one inside another, and then loop each to the number of inputs which in this case is 2 and the output strings will be 2*2 = 4 strings and as the number increases the number of output strings will increase by multiplying n*n (n-times)

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  • update available status when systems goes crash

    - by Bharanikumar
    Hi , i am doing one small application , wheich have login functionality, in the user table am maintaining the AVAILABLE status for the logged USER, example : i have three user called foo1,foo2,foo3 , When foo1 logged then his AVAILABLE STATUS WILL UPDATE AS 1 IN THE USERTABLE, if he logged out then his AVAILABLE STATUS goes to 0, like the foo2, and foo3 , for this available status flasg , amsimply using the update operation ..no other big functionality , Now What i want is, If somthing happened when user logged in , then i want to make the available status as 0, Somthing means , I WANT TO CHANGE THE AVAILABLE STATUS TO 0 , WHEN system CRASH OR browser crash Thanks Bharanikumar

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