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• JQuery username validation - Ajax call

  - by Denise

  Hi, I am currently using JQuery's validation plugin for basic form validation such as required fields. I want to add functionality so that when the user types in the username field, an ajax call is triggered to check whether the username is already taken. My requirements are: Preferably integrate with JQuery Validation plugin, rather than writing a custom function I want the lookup to occur on the nkeyup event I want the lookup to be triggered approx 0.5 seconds after the keyup event has occurred. Thanks!

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• Detect variance on generic type parameters of interfaces

  - by Water Cooler v2

  Is there a way to reflect on an interface to detect variance on its generic type parameters and return types? In other words, can I use reflection to differentiate between the two interfaces: interface IVariant<out R, in A> { R DoSomething(A arg); } interface IInvariant<R, A> { R DoSomething(A arg); } The IL for both looks the same.

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• What makes a sexy UI?

  - by nimo

  I'm in the progress of remaking one our products user interface to be more modern and apealing aswell as user friendly. It's a web based application that is used by all types of people. My question for you is what do you think are the key factors of a sexy interface? An interface that is appealing and leave the user with a WOW feeling?

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• how can we avoid allocation done by Marshal::StringToHGlobalAnsi?

  - by KaluSingh Gabbar

  my wrapper from managed to unmanaged is handling a lot of data and this Guy would call new for each of them, which is a big hit for me. So my question is : can I allocate a chunk of unmanaged memory and use it to convert the managed data types to unmanaged by hand.

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• What is the best mobile website programming language to choose?

  - by rhuisman

  We currently have an iPhone app and would like to build a mobile website that has similar functionalities so it is accessible on multiple types of handsets. what programming language should we best use for this? our app would like to use geolocation, camera/photo upload and access to the phone's contacts. hope you can help us out! best, Robbert

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• INDY WebService over SSL contains link with HTTP protocol instead of HTTPS in WSDL

  - by user1437820

  When creating new SOAP WebService server project using Delphi XE2 the wizard allows to set change port and HTTPS properties. Port is set to 443, HTTPS flag is checked, but when trying to connect to created server it returns incorrect transport (HTTP instead of HTTPS) in WSDL and generates HTTP links on the Service Info Page. The auto-generated page is not so important, but wrong information in WSDL file is a problem. Below you can see the returned WSDL - there are no HTTPS: <?xml version="1.0"?> <definitions xmlns="http://schemas.xmlsoap.org/wsdl/" xmlns:xs="http://www.w3.org/2001/XMLSchema" name="Itest123service" targetNamespace="http://tempuri.org/" xmlns:tns="http://tempuri.org/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/" xmlns:ns1="urn:test123Intf"> <types> <schema xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="urn:test123Intf"> <simpleType name="TEnumTest"> <restriction base="string"> <enumeration value="etNone"/> <enumeration value="etAFew"/> <enumeration value="etSome"/> <enumeration value="etAlot"/> </restriction> </simpleType> <complexType name="TDoubleArray"> <complexContent> <restriction base="soapenc:Array"> <sequence/> <attribute ref="soapenc:arrayType" n1:arrayType="xs:double[]" xmlns:n1="http://schemas.xmlsoap.org/wsdl/"/> </restriction> </complexContent> </complexType> <complexType name="TMyEmployee"> <sequence> <element name="LastName" type="xs:string"/> <element name="FirstName" type="xs:string"/> <element name="Salary" type="xs:double"/> </sequence> </complexType> </schema> </types> <message name="echoEnum0Request"> <part name="Value" type="ns1:TEnumTest"/> </message> <message name="echoEnum0Response"> <part name="return" type="ns1:TEnumTest"/> </message> <message name="echoDoubleArray1Request"> <part name="Value" type="ns1:TDoubleArray"/> </message> <message name="echoDoubleArray1Response"> <part name="return" type="ns1:TDoubleArray"/> </message> <message name="echoMyEmployee2Request"> <part name="Value" type="ns1:TMyEmployee"/> </message> <message name="echoMyEmployee2Response"> <part name="return" type="ns1:TMyEmployee"/> </message> <message name="echoDouble3Request"> <part name="Value" type="xs:double"/> </message> <message name="echoDouble3Response"> <part name="return" type="xs:double"/> </message> <portType name="Itest123"> <operation name="echoEnum"> <input message="tns:echoEnum0Request"/> <output message="tns:echoEnum0Response"/> </operation> <operation name="echoDoubleArray"> <input message="tns:echoDoubleArray1Request"/> <output message="tns:echoDoubleArray1Response"/> </operation> <operation name="echoMyEmployee"> <input message="tns:echoMyEmployee2Request"/> <output message="tns:echoMyEmployee2Response"/> </operation> <operation name="echoDouble"> <input message="tns:echoDouble3Request"/> <output message="tns:echoDouble3Response"/> </operation> </portType> <binding name="Itest123binding" type="tns:Itest123"> <binding xmlns="http://schemas.xmlsoap.org/wsdl/soap/" style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/> <operation name="echoEnum"> <operation xmlns="http://schemas.xmlsoap.org/wsdl/soap/" soapAction="urn:test123Intf-Itest123#echoEnum" style="rpc"/> <input> <body xmlns="http://schemas.xmlsoap.org/wsdl/soap/" use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="urn:test123Intf-Itest123"/> </input> <output> <body xmlns="http://schemas.xmlsoap.org/wsdl/soap/" use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="urn:test123Intf-Itest123"/> </output> </operation> <operation name="echoDoubleArray"> <operation xmlns="http://schemas.xmlsoap.org/wsdl/soap/" soapAction="urn:test123Intf-Itest123#echoDoubleArray" style="rpc"/> <input> <body xmlns="http://schemas.xmlsoap.org/wsdl/soap/" use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="urn:test123Intf-Itest123"/> </input> <output> <body xmlns="http://schemas.xmlsoap.org/wsdl/soap/" use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="urn:test123Intf-Itest123"/> </output> </operation> <operation name="echoMyEmployee"> <operation xmlns="http://schemas.xmlsoap.org/wsdl/soap/" soapAction="urn:test123Intf-Itest123#echoMyEmployee" style="rpc"/> <input> <body xmlns="http://schemas.xmlsoap.org/wsdl/soap/" use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="urn:test123Intf-Itest123"/> </input> <output> <body xmlns="http://schemas.xmlsoap.org/wsdl/soap/" use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="urn:test123Intf-Itest123"/> </output> </operation> <operation name="echoDouble"> <operation xmlns="http://schemas.xmlsoap.org/wsdl/soap/" soapAction="urn:test123Intf-Itest123#echoDouble" style="rpc"/> <input> <body xmlns="http://schemas.xmlsoap.org/wsdl/soap/" use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="urn:test123Intf-Itest123"/> </input> <output> <body xmlns="http://schemas.xmlsoap.org/wsdl/soap/" use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="urn:test123Intf-Itest123"/> </output> </operation> </binding> <service name="Itest123service"> <port name="Itest123Port" binding="tns:Itest123binding"> <address xmlns="http://schemas.xmlsoap.org/wsdl/soap/" location="http://localhost:443/soap/Itest123"/> </port> </service> </definitions> When I'm trying to import WSDL to soapUI tool to check WebService work I need to change manually binding link to "https://" and only then RPCs will work. I will be very grateful for any idea how to force INDY to return links in WSDL with HTTPS protocol. Thanks in advance!

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• Memory Allocation Error in MySQL

  - by Chinjoo

  I am using MySql ODBC driver with .Net 3.5. I have created a stored procedure in MySQl which accepts around 15 parameters with types like datetime, varchar, Int32, Int64 etc.. When I run the SP from the query window with the arguments provided, it runs fine. But whwn I test using the .Net application, it gives exception with "Memory allocation error", MySQL native error code is 4001. Any help will be much appreciated.

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• How do I configure SSIS logging to overwrite the log file?

  - by theog

  My SSIS package has logging configured with a SSIS log provider for text files, which works fine, but each time the package is run the log appends to the end of the log file. I want it to truncate the file and only keep the log from the most recent execution of the package, but I don't see an option anywhere to do that. I've tried both file usage types (Existing file and New file) in the File Connection manager with the same results.

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• What software can be considered as innovative?

  - by sashaeve

  What software (or types of software) can be condsidered as innovative? What distinctive parameters or features of product can be considered as innovative?

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• Neo4j 1.9.4 (REST Server,CYPHER) performance issue

  - by user2968943

  I have Neo4j 1.9.4 installed on 24 core 24Gb ram (centos) machine and for most queries CPU usage spikes goes to 200% with only few concurrent requests. Domain: some sort of social application where few types of nodes(profiles) with 3-30 text/array properties and 36 relationship types with at least 3 properties. Most of nodes currently has ~300-500 relationships. Current data set footprint(from console): LogicalLogSize=4294907 (32MB) ArrayStoreSize=1675520 (12MB) NodeStoreSize=1342170 (10MB) PropertyStoreSize=1739548 (13MB) RelationshipStoreSize=6395202 (48MB) StringStoreSize=1478400 (11MB) which is IMHO really small. most queries looks like this one(with more or less WITH .. MATCH .. statements and few queries with variable length relations but the often fast): START targetUser=node({id}), currentUser=node({current}) MATCH targetUser-[contact:InContactsRelation]->n, n-[:InLocationRelation]->l, n-[:InCategoryRelation]->c WITH currentUser, targetUser,n, l,c, contact.fav is not null as inFavorites MATCH n<-[followers?:InContactsRelation]-() WITH currentUser, targetUser,n, l,c,inFavorites, COUNT(followers) as numFollowers RETURN id(n) as id, n.name? as name, n.title? as title, n._class as _class, n.avatar? as avatar, n.avatar_type? as avatar_type, l.name as location__name, c.name as category__name, true as isInContacts, inFavorites as isInFavorites, numFollowers it runs in ~1s-3s(for first run) and ~1s-70ms (for consecutive and it depends on query) and there is about 5-10 queries runs for each impression. Another interesting behavior is when i try run query from console(neo4j) on my local machine many consecutive times(just press ctrl+enter for few seconds) it has almost constant execution time but when i do it on server it goes slower exponentially and i guess it somehow related with my problem. Problem: So my problem is that neo4j is very CPU greedy(for 24 core machine its may be not an issue but its obviously overkill for small project). First time i used AWS EC2 m1.large instance but over all performance was bad, during testing, CPU always was over 100%. Some relevant parts of configuration: neostore.nodestore.db.mapped_memory=1280M wrapper.java.maxmemory=8192 note: I already tried configuration where all memory related parameters where HIGH and it didn't worked(no change at all). Question: Where to digg? configuration? scheme? queries? what i'm doing wrong? if need more info(logs, configs) just ask ;)

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• Where can I find a good guide to writing C Collections?

  - by Mike Axiak

  I remember having read a very good guide to writing collections. By that I mean, it described using macros to generate types with type parameters, kind of like C++ templates. I'm not sure if it was written by Rusty Russell, but it was someone I recognized. It was posted on hackernews or proggit... I wanted to write a new C library and has searched google for the past 30 min for this guide to no avail. Anybody remember?

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• PHP OOP Design Patterns: Should I Create two seperate classes for registration and form validation?

  - by Joshua Poshua

  So here's my problem: I have two types of registration, registration A and registration B, each will have some of the same fields and some different fields. I was going to create abstract class registration and both A and B would have their own classes that extend from registration. My question is, should I create a seperate Validation class with seperate A and B validation classes that extend? or is there a better pattern to use for something like this? Thanks

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• Exception in inserting data into data using JPA in netbeans

  - by sandeep

  SEVERE: Local Exception Stack: Exception [EclipseLink-7092] (Eclipse Persistence Services - 2.0.0.v20091127-r5931): org.eclipse.persistence.exceptions.ValidationException Exception Description: Cannot add a query whose types conflict with an existing query. Query To Be Added: [ReadAllQuery(name="Voter.findAll" referenceClass=Voter jpql="SELECT v FROM Voter v")] is named: [Voter.findAll] with arguments [[]].The existing conflicting query: [ReadAllQuery(name="Voter.findAll" referenceClass=Voter jpql="SELECT v FROM Voter v")] is named: [Voter.findAll] with arguments: [[]].

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• class vs structure c#

  - by Enriquev

  I'm doing course 3354 (Implementing System Types and Interfaces in the .NET Framework 2.0) and it is said that for simple classes, with members variables and functions, it is better to use a struct than a class because of overhead. I have never heard of such a thing, what is the validity of this claim?

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• how to define a structural type that refers to itself?

  - by IttayD

  I want to create a method sum that I can call on different types, specifically sum(1,2). def sum[A](a1: A, a2: A) = a1 + a2 This fails because the compiler can't tell if A has a method '+' I tried to define a structural type: type Addable = {def +(a: Addable)} This fails because of an illegal cyclic reference How can I achieve this in a type safe way without requiring A to extend a specific trait?

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• Using Func<...> and params?

  - by grady

  Hello, I wrote this code: public static bool MyMethod(int someid, params string[] types) {...} How could I write that using Func? public static Func < int, ?params?, bool > MyMethod = ??? Thanks :-)

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• Displaying a list of objects with Views - Drupal

  - by RadiantHex

  Hi folks, I'll briefly explain what I'm trying to do: I need to sort a set of content-types within a paginated page. Also I need to add filtering to the page, for example each content-type should have a set of tags and the filter needs to filter through these tags. This is a basic mockup of what this page consists of: I'm finding it quite hard figuring out the best way to do it, and if this can be done. Help would be very much appreciated!!

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• Why is FLT_MIN equal to zero?

  - by Nick Forge

  limits.h specifies limits for non-floating point math types, e.g. INT_MIN and INT_MAX. These values are the most negative and most positive values that you can represent using an int. In float.h, there are definitions for FLT_MIN and FLT_MAX. FLT_MAX is equal to a really large number, as you would expect, but why does FLT_MIN equal zero?

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• C# WPF MAF Add-In interaction between themselves

  - by Ronny

  Hi, I would like create a very simple Paint application using MAF on WPF. The Add Ins I would like to create are: Main Image Processor - Shown the current paint Tool Box - The user can select some types of drawings tools Layers - The user can select the layers to display, delete layers and select on which layer to work on the question is: How I can interact between the different Add-Ins without using the host? Thanks, Ronny

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• ListBoxItem height not getting updated

  - by Gili

  Hi, I have a listbox inside another list box, in inner list box listboxitems height may grow or shrink. My problem is that when the inner items shrink the outer list box doesn't re-render its height. Thus - stays with the previous height before the inner list shrinked. I have tried so many things here, among Invalidate of all types, selection and de-selection of the list box item that should be updated and more - nothing helps.... Can anyone pls help me with this? Thanx, Gili

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• How to fill combobox column in datagrid view in vb.net?

  - by meenakshi

  My datagrid view contains three columns, column types are checkbox, textbox and combobox. If I check one row, it will load corresponding rows combobox only. How can I do it?

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• The Document for selenium test!

  - by Small Wolf

  I want to use selenium test to cover my rails project ! but i just find little documents on selenium test . I want someone to give me some documents for selenium test of all types !like website ,pdf ,text etc. you can sent them to my gmail [email protected] Thank you ,and best regards!

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• memory usage by objects in common lisp

  - by Farzad Bekran

  Is there a way to find out how much memory is used by an instance of a class or basic data types in general? I have a toy webframework in cl that creates and manages web pages with instances of classes that represent the html tags and their properties, and as they are supposed to make an html page, they have children in a slot called children. so I was thinking how much a user's session will cost the server if I take this approach. Thanks.

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• Lighttpd mod_accesslog not logging fastcgi requests

  - by zepatou

  I have recently installed a lighttpd for serving a python script via mod_fastcgi. Everything works fine except that I don't get the requests handled by mod_fastcgi logged in the access.log file (requests on port 80 are logged though). My lighttpd version is 1.4.28 on a Debian 6.0. I used the same working configuration a Ubuntu server 10.04 with lighttpd 1.4.26 and it worked. Here is my config lighttpd.conf server.modules = ( "mod_access", "mod_alias", "mod_accesslog", "mod_compress", ) server.document-root = "/var/www/" server.upload-dirs = ( "/var/cache/lighttpd/uploads" ) server.errorlog = "/home/log/lighttpd/error.log" index-file.names = ( "index.php", "index.html", "index.htm", "default.htm", "index.lighttpd.html" ) accesslog.filename = "/home/log/lighttpd/access.log" url.access-deny = ( "~", ".inc" ) static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" ) server.pid-file = "/var/run/lighttpd.pid" include_shell "/usr/share/lighttpd/create-mime.assign.pl" include_shell "/usr/share/lighttpd/include-conf-enabled.pl" conf-enabled/10-fastcgi.conf server.modules += ( "mod_fastcgi" ) fastcgi.server = ( "/" => ( ( "min-procs" => 1, "check-local" => "disable", "host" => "127.0.0.1", # local "port" => 3000 ), ) ) Any idea ?

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• Creating AST for shared and local variables

  - by Rizwan Abbasi

  Here is my grammar grammar simulator; options { language = Java; output = AST; ASTLabelType=CommonTree; } //imaginary tokens tokens{ SHARED; LOCALS; BOOL; RANGE; ARRAY; } parse : declaration+ ; declaration :variables ; variables : locals ; locals : (bool | range | array) ; bool :ID 'in' '[' ID ',' ID ']' ('init' ID)? -> ^(BOOL ID ID ID ID?) ; range : ID 'in' '[' INT '..' INT ']' ('init' INT)? -> ^(RANGE ID INT INT INT?) ; array :ID 'in' 'array' 'of' '[' INT '..' INT ']' ('init' INT)? -> ^(ARRAY ID INT INT INT?) ; ID : (('a'..'z' | 'A'..'Z'|'_')('a'..'z' | 'A'..'Z'|'0'..'9'|'_'))* ; INT : ('0'..'9')+ ; WHITESPACE : ('\t' | ' ' | '\r' | '\n' | '\u000C')+ {$channel = HIDDEN;} ; INPUT flag in [down, up] init down pc in [0..7] init 0 CA in array of [0..5] init 0 AST It is having a small problem. Variables (bool, range or array) can be of two abstract types 1. locals (each object will have it's own variable) 2. shared (think of static in java, same for all object) Now the requirements are changed. I want the user to input like this NEW INPUT domains: upDown [up,down] possibleStates [0-7] booleans [true,false] locals: pc in possibleStates init 0 flag in upDown init down flag1 in upDown init down map in array of booleans init false shared: pcs in possibleStates init 0 flag in upDown init down flag1 in upDown init down maps in array of booleans init false Again, all the variables can be of two types (of any domain sepecified) 1. Local 2. Shared In Domains: upDown [up,down] possibleStates [0-7] upDown, up, down and possibleStates are of type ID (ID is defined in my above grammar), 0 and 7 are of type INT Can any body help me how to convert my current grammar to meet new specifications.

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