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  • JFace: difference between ITreeContentProvider and ILazyTreeContentProvider

    - by Alexey Romanov
    After reading JavaDoc for ILazyTreeContentProvider and Virtual Tables and Trees I am a bit confused. Do they really mean that with a simple ITreeContentProvider all elements have to be loaded when the tree is created? I expected that getChildren() would only be called when expanding an element (and hasChildren() to be called to determine whether the plus sign should be shown). Or are they intended for the case where some elements have many children?

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  • Vaadin and Spring MVC Integration

    - by dakull
    I'm thinking about the possibility of using Spring MVC with Vaadin Framework. Are there any documented ways of making them play nicely together ? Also is it a good idea to use them together ? relating to performance; I'm going to run the app on a dedicated server. To make my question a bit more clear, how can i return a modelandview from a Spring MVC Controller that wll render using Vaadin and can access all the model data.

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  • Visual Studio UML Sequence Diagram

    - by ikurtz
    I was wondering if there was a Sequence Diagram generator for C#? Im using Visual Studio 2008 Professional. If not is there a quick and simple software? Im finding Enterprise Architect and Visio a bit to cryptic for a beginner. I have found the Class Diagram feature on Visual Studio, which s very useful and am hoping for a equally useful simple program to generate Sequence Diagrams. Thanks.

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  • RCov with RSpec-2

    - by JoshReedSchramm
    I'm working with a bit of a bleeding edge rails app. Rails 3, RSpec 2, Rspec-Rails2. It seems as if RSpec2 doesn't include the spec:rcov rake task that RSpec 1 has. (at least it isn't there yet) Has anyone had any luck running rcov with rspec 2, or writing their own rake task to make this work?

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  • Rijndael encryption from Action Script to C#

    - by Coppermill
    I am trying to share encryption between Action Script and C# My task is to decrypt the following message within C# f1ca22a365ba54c005c3eb599d84b19c354d26dcf475ab4be775b991ac97884791017b12471000def05bb77bfe9c3a97d44ef78c9449f12daf6e25b61ab1a281 It uses Rijndael encyption , ECB mode (electronic code book), Key: Pas5pr@se , 128 bit key size and block size. The problem I have is I can't seem to do it, anyone help me on this?

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  • Creating cross platform applications

    - by Anant
    I have a fair bit of knowledge of Java and C#.NET (prefer C#). What should I use to create small applications that will work well in Windows, Mac and Linux? Speed will probably not be the main concern (small applications; using Sockets etc).

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  • Cannot cout data [C++] [metaprogramming]

    - by atch
    Hi, Guys, reffering to last post I'm trying to output data while template is instantiated template <unsigned long N> struct binary { std::cout << N;//<---------------------------------I'M TRYING HERE static unsigned const value = binary<N/10>::value << 1 // prepend higher bits | N%10; // to lowest bit but I'm getting an error: 'Error 2 error C2886: 'std::cout' : symbol cannot be used in a member using- declaration ' Thanks for help P.S. And could anyone explain why actually I can't do that?

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  • After Effect - Triangle Wave (JavaScript)

    - by PJ Palomaki
    Hi, I'm trying to control a parameter with AE expressions and I need a triangle wave. I've got this so far: freq = 20; amplitude = 8; m = amplitude; i = time*freq; m - (i % (2*m) - m); Unfortunately this gives a saw wave (see below) and my math's a bit rusty, any takers? Thanks! PJ http://i25.photobucket.com/albums/c73/pjburnhill/Screenshot2010-04-09at153815.png

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  • Visual Studio 2010 and discovery of advantage server error

    - by Tina Nipe
    I installed VS 2010 on a Windows 7 64 bit machine. When I try and connect to an advantage database through the server explorer using the Advanatage OLEDB driver I get a cannot discover advantage database server error. I can connect to the database using the ARC just fine. I was able to connect in VS 2008 just fine. Any ideas on why I can't connect in VS 2010?

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  • Books on Code Contracts in C# 4.0

    - by devoured elysium
    Altough I've known Code Contracts for some time, as I've used it a bit in Java, I would like to start using them in C#, now that they are part of C# 4.0. I am looking on learning material, books or vids. Altough tutorials are also welcome, I'd like to have something comprehensive to read, not the typical "here's how you use Requires and here's how you use Ensures". I am looking for something that really stands out in this area. Thanks

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  • How to make a general profile for PHPUnit testing in WebIDE?

    - by Ondrej Slinták
    I'm playing a bit with beta version of PHP Storm (PHP version of WebIDE) and its integration of PHPUnit. I know how to set a profile to run tests in particular file, directory or class. Problem is, I'd like to create some profile where Run button would run tests in currently opened file. Any idea if there's a way to do it? Or perhaps it isn't implemented in beta version yet?

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  • Mvc4 installer is incompatible with .net 4.5 but .net 4.5 is not installed

    - by jstell
    I'm getting the classic 'mvc4 installer is incompatible with .net 4.5' that many others have gotten except I do not have .Net 4.5 installed on this machine. MVC3 projects getting created just fine. I get this error when running the Web Installer for MVC4 Beta. System setup is VS2010 SP1, Windows 7 64-bit, Resharper is installed as well I am at a loss here and now seem to be just wasting time trying to fix this.

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  • [Flex] What is new functionality 'Sparks' that appears in the Flash Builder 4 ?

    - by ignatius
    Hello, i just checking Flash Builder 4 ( i come from Flex builder 3 ), and it was painfull to see that old CSS visual editor, that it was very convenient for skinning components, has dissapear when select version 4. Also creating new project appear option between Mxml and 'Mxml+Spark'. What is this spark? Do you recommend using this? What are the strong point over tradicional CSS editing? i am a little bit confused with this. Br.

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  • android scroll down

    - by Faisal khan
    I have text area and and down to that "ok" and "cancel" button. when i click on text area keyboard appear and focus on the text area and buttons get hide behind the keyboard. i want when text area get focus scroll a little bit and also display the bottom buttons while text area id selected.

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  • What are your favorite "yak shaving" euphemisms?

    - by dacracot
    Noun yak shaving (uncountable) (idiomatic) Any apparently useless activity which, by allowing you to overcome intermediate difficulties, allows you to solve a larger problem. I was doing a bit of yak shaving this morning, and it looks like it might have paid off. So I'm after phrases like "yak shaving" that mean something to the developer community that non-developers don't understand. Not anecdotes.

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  • Is Google Maps API V3 good enough to use now?

    - by Haroldo
    Firstly, only reply if you have experience using API V3 (i can speculate myself!) I had a little go with V3 and it looked great but would love to hear from someone who's given it a bit of use before I start working with it and deploy it on a live site. I'm only looking to do very basic things: put markers on a map custom markers info bubbles It all looks very easy with v3: http://www.svennerberg.com/2009/06/google-maps-api-3-the-basics/ is it stable enough?

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  • Strange threads in application in Win7 WOW64

    - by Shcheklein
    We are observing 4-6 threads on Windows 7 x64 in the application which have 3 threads and behaves normally on any Windows (either 32 or 64 bit) prior Windows 7. Process Explorer shows the following "unknown" thread: ntdll.dll!EtwDeliverDataBlock+offset after random interval the following threads appear: ntdll.dll!TpCallbackIndependent+offset ntdll.dll!TpCallbackIndependent+offset after that application can't create thread (error code 8, hot enough space ...). It seems to me that some system DLL creates ETW threads or something. Does anyone know what these threads for and how to manage them?

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  • XSLT big integer (int64) handling msxml

    - by Farid Z
    When trying to do math on an big integer (int64) large number in xslt template I get the wrong result since there is no native 64-bit integer support in xslt (xslt number is 64-bit double). I am using msxml 6.0 on Windows XP SP3. Are there any work around for this on Windows? <tables> <table> <table_schem>REPADMIN</table_schem> <table_name>TEST_DESCEND_IDENTITY_BIGINT</table_name> <column> <col_name>COL1</col_name> <identity> <col_min_val>9223372036854775805</col_min_val> <col_max_val>9223372036854775805</col_max_val> <autoincrementvalue>9223372036854775807</autoincrementvalue> <autoincrementstart>9223372036854775807</autoincrementstart> <autoincrementinc>-1</autoincrementinc> </identity> </column> </table> </tables> This test returns true due to overflow (I am assuming) but actually is false if I could tell the xslt processor somehow to use int64 rather than the default 64-bit double for the data since big integer is the actual data type for the numbers in the xml input. <xsl:when test="autoincrementvalue = (col_min_val + autoincrementinc)"> <xsl:value-of select="''"/> </xsl:when> here is the complete template <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" > <!--Reseed Derby identity column--> <xsl:output omit-xml-declaration='yes' method='text' /> <xsl:param name="stmtsep">;</xsl:param> <xsl:param name="schemprefix"></xsl:param> <xsl:template match="tables"> <xsl:variable name="identitycount" select="count(table/column/identity)"></xsl:variable> <xsl:for-each select="table/column/identity"> <xsl:variable name="table_schem" select="../../table_schem"></xsl:variable> <xsl:variable name="table_name" select="../../table_name"></xsl:variable> <xsl:variable name="tablespec"> <xsl:if test="$schemprefix"> <xsl:value-of select="$table_schem"/>.</xsl:if><xsl:value-of select="$table_name"/></xsl:variable> <xsl:variable name="col_name" select="../col_name"></xsl:variable> <xsl:variable name="newstart"> <xsl:choose> <xsl:when test="autoincrementinc > 0"> <xsl:choose> <xsl:when test="col_max_val = '' and autoincrementvalue = autoincrementstart"> <xsl:value-of select="''"/> </xsl:when> <xsl:when test="col_max_val = ''"> <xsl:value-of select="autoincrementstart"/> </xsl:when> <xsl:when test="autoincrementvalue = (col_max_val + autoincrementinc)"> <xsl:value-of select="''"/> </xsl:when> <xsl:when test="(col_max_val + autoincrementinc) &lt; autoincrementstart"> <xsl:value-of select="autoincrementstart"/> </xsl:when> <xsl:otherwise> <xsl:value-of select="col_max_val + autoincrementinc"/> </xsl:otherwise> </xsl:choose> </xsl:when> <xsl:when test="autoincrementinc &lt; 0"> <xsl:choose> <xsl:when test="col_min_val = '' and autoincrementvalue = autoincrementstart"> <xsl:value-of select="''"/> </xsl:when> <xsl:when test="col_min_val = ''"> <xsl:value-of select="autoincrementstart"/> </xsl:when> <xsl:when test="autoincrementvalue = (col_min_val + autoincrementinc)"> <xsl:value-of select="''"/> </xsl:when> <xsl:when test="(col_min_val + autoincrementinc) > autoincrementstart"> <xsl:value-of select="autoincrementstart"/> </xsl:when> <xsl:otherwise> <xsl:value-of select="col_min_val + autoincrementinc"/> </xsl:otherwise> </xsl:choose> </xsl:when> </xsl:choose> </xsl:variable> <xsl:if test="not(position()=1)"><xsl:text> </xsl:text></xsl:if> <xsl:choose> <!--restart with ddl changes both the next identity value AUTOINCREMENTVALUE and the identity start number AUTOINCREMENTSTART eventhough in this casewe only want to change only the next identity number--> <xsl:when test="$newstart != '' and $newstart != autoincrementvalue">alter table <xsl:value-of select="$tablespec"/> alter column <xsl:value-of select="$col_name"/> restart with <xsl:value-of select="$newstart"/><xsl:if test="$identitycount>1">;</xsl:if></xsl:when> <xsl:otherwise>-- reseed <xsl:value-of select="$tablespec"/> is not necessary</xsl:otherwise> </xsl:choose> </xsl:for-each> </xsl:template> </xsl:stylesheet>

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  • Find and replace in a block of text.

    - by David Tildon
    I have a database full of text fields that look like this: (paragraph of normal text) image:blog/clownboy.jpg (another paragraph) I'm trying to write a view helper for Rails that will take one of these big blocks of text, find bits like "image:blog/clownboy.jpg" and replace them with the corresponding <img src="blog/clownboy.jpg"> (without disturbing the surrounding whitespace) before outputting it to the user. I've been trying for an hour or so now, but I'm new to Ruby and the regular expressions are still a bit beyond me.

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