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• Is using the Class instance as a Map key a best practice?

  - by Pangea

  I have read somewhere that using the class instances as below is not a good idea as they might cause memory leaks. Can someone tell me if if that is a valid statement? Or are they any problems using it this way? Map<Class<?>,String> classToInstance=new HashMap(); classToInstanceMap.put(String.class,"Test obj");

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• Project doing in mvc pattern using cairngorm framework.

  - by Rejo Thomas

  hii .. I wish to do my project in mvc pattern. so I chose cairngorm framework and just read some of the document about this framework.But I cant understand deeply to do project using this framework. Have any methods or examples to study doing project in cairngorm framework?? If u can pleas help me.

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• Slurping a file into a string in Perl

  - by dreeves

  Yes, There's More Than One Way To Do It™, but what is the most canonical, most efficient, and most concise methods to read an entire file into a string? (The latter two are perhaps at odds.)

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• How to get size of bytes?

  - by k80sg

  How do I obtain the number of bytes before allocating the byte size of the array 'handsize' as shown below as the incoming ByteArray data are sent in 3 different sizes. Thanks. BufferedInputStream bais = new BufferedInputStream(requestSocket.getInputStream()); DataInputStream datainput = new DataInputStream(bais); //need to read the number of bytes here before proceeding. byte[] handsize = new byte[bytesize]; datainput.readFully(handsize);

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• CodeIgniter Authentication Library for Beginners?

  - by 01010011

  Hi, Can anyone recommend a great CodeIgniter Registration/Login/Logout library for beginners to web development? I read on stackoverflow that Redux was highly recommended at one time. What is the current recommendation?

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• solr-tomcat package on ubuntu lucid

  - by pablo

  Hi I've installed solr-tomcat package on ubuntu lucid (10.04 latest). It automatically install java and tomcat and hopefully all other dependencies. I can access tomcat at http://localhost:8080 but not sure where to find the solr web admin http://localhost:8180 gives me nothing. Is this package known to work? I've read that on previous ubuntu releases the packages were broken. Do I need to configure anything after installing the package? Thanks

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• What is massively parallel processing (MPP) ?

  - by HotTester

  Ever since Microsoft introduced sql-server version code-named "Madison" the massively parallel processing (MPP) has got into picture. What exactly is it and how does sql-server is going to benefit from it ? Further is massively parallel processing (MPP) related to parallel computing ? I read about Madison here and about parallel computing here. Thanks in advance.

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• Where can I get material for learning EBNF?

  - by yesraaj

  Extended Backus–Naur Form: EBNF I'm very new to parsing concepts. Where can I get sufficiently easy to read and follow material for writing a grammar for the boost::spirit library, which uses a grammar similar to EBNF? Currently I am looking into EBNF from Wikipedia.

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• Why does ASP.Net rewrite relative paths in runat=server anchor controls?

  - by Atomiton

  I have UserControls in a Controls folder in my solution: /Controls/TheControl.ascx If specify the following: <a runat="server" href="./?pg=1">link text</a> ASP.Net seems to want to rewrite the path to point to the absolute location. For example, If the control is on site.com/products/fish/cans.aspx the link href will be rewritten to read <a href="../../Controls/?pg=1 Why does Asp.Net rewrite these control paths, and is there an elegant way to fix it?

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• Reading RSS feeds --> not consistent

  - by DEE

  Hi There, i am trying to read the RSS feed by loading it to xmldocument some thing like xmlTextReader = new XmlTextReader(url); XmlDocument xmlDoc = new XmlDocument(); xmlDoc.Load(xmlTextReader); some times the loading to xml document succeeds and some times it fails . the url i am using is http://rss.nzherald.co.nz/rss/xml/nzhrsscid%5F000000004.xml what could be the probelm, is it like the RSS is not updated properly..? any suggestions/comments Regards DEE

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• What is the best way to produce a tilde in LaTeX for a website?

  - by vgm64

  Following the previous questions on this topic, when you produce a website in LaTeX what is the best way to produce a url that contains a tilde? \verb produces the upper tilde that does not read well, and $\sim$ does not copy/pase well (adding a space when I do it). Solutions? It seems like this should be one of those things that has a very easy fix... if it doesn't, why not?

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• Immutability of structs

  - by Joan Venge

  I read it in lots of places including here that it's better to make structs as immutable. What's the reason behind this? I see lots of Microsoft-created structs that are mutable, like the ones in xna. Probably there are many more in the BCL. What are the pros and cons of not following this guideline?

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• Can any framework project use Struts-taglib

  - by ChronoXIII

  I have read here that one disadvantage that some may find with using Spring MVC over Struts is that Struts has tags that output HTML code, while Spring has tags that don't generate HTML. My question is can't you just use the Struts tag-lib in a Spring MVC project (or any other kind of framework project), by dropping the right jar into the WEB-INF/lib folder? Any clarification is appreciated, thanks.

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• Combine two content encodings sections in a single page

  - by AmirGl

  I developed a web application that allows users to modify existing web pages. When a user type a url of an existing web page, I read the content of this page and using an ajax call, i display the content in a div inside my web application. Now my problem is that often the content encoding of the existing web page is different than my web app (I use utf-8) Is there a way to load content using an ajax call with different content encoding than the one of the main page? Thanks, Amir

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• Groovy load .csv files

  - by Srinath

  Hi all, How to read and import .csv file in groovy on grails. I have .csv file with data and need to import in to db using user interface . thanks in advance, srinath

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• aspx: is there anyway to change form from POST to PUT?

  - by Yang

  My current aspx form askes users to input fields into texbox and press submit button. We are thinking of using PUT method that read parameters from the URLs? Any quick solution for this?

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• Is Programming Right for me?

  - by L1th1um

  I'm interested in programming, but it seems to me that I can't get into it. Every time I've tried to learn a language and stuff by looking through tutorials or books I'd never get past the part where I use the syntax to make something. And by interest, I mean that I read stack overflow a lot, coding horror, and stuff but the actual coding part is hard for me to get into. Did anybody start this way? How did you get past this block?

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• How is hashCode() calculated in Java.

  - by Jothi

  What value is hashCode() method is returning in java?. i read that it is an memory reference of an object. when i print hascode value for new Integer(1), its 1. for String(a) - 97. so i confused. is it ascii or what type of value is?

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• Oracle .dmp file

  - by Grasper

  I have an oracle .dmp file, and no access to an oracle install.. Is there any way I can read the data or open it in another program to see what data is in this file?

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• Practical usage for Delphi's new RTTI - Attributes,Values

  - by John

  Hello, I found great explanation about the new RTTI in Delphi,but I don't understand one important thing about all I have read so far - Where can I use that? What is it supposed to replace? Thanks in advance.

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• How to find index of an object by key and value in an javascript array

  - by return1.at

  Given: var peoples = [ { "attr1": "bob", "attr2": "pizza" }, { "attr1": "john", "attr2": "sushi" }, { "attr1": "larry", "attr2": "hummus" } ]; Wanted: Index of object where attr === value for example attr1 === "john" or attr2 === "hummus" Update: Please, read my question carefully, i do not want to find the object via $.inArray nor i want to get the value of a specific object attribute. Please consider this for your answers. Thanks!

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• Reflow PDFs for an iPhone screen (iPhone SDK)

  - by Anthony Glyadchenko

  I'm currently making an iPhone app that has PDF viewing a crucial part of its functionality. However many of the PDFs aren't iPhone friendly and require zooming and panning to read them. Is there anything I can do to make them better whether with the PDF itself or programmatically? (I'm currently using a UIWebView PDF viewer by the way.)

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• CakePHP ACL Issue: Max_Join_Size

  - by Mayank

  Hi, The build_acl action works on localhost but on the shared sever it gives the following error: Warning (512): SQL Error: 1104: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay [CORE/cake/libs/model/datasources/dbo_source.php, line 549] I cannot change the MAX_JOIN_SIZE value because of the lack of admin privileges. I read in some forum that deleting cache solves the problem, but even that's not working for me. Thanks, Mayank

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• How to do comment and document on Window Workflow Foundation

  - by Dennis Cheung

  I am working with few simple xoml workflow (.NET 3.5), and I want to add few simple comment and note on the xoml file. I can find a "Description" property on activity, but that not easy to read.

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• Bash: Syntax error: redirection unexpected

  - by Werner

  I do this in a script: read direc <<< $(basename `pwd`) and I get: Syntax error: redirection unexpected in an ubuntu machine /bin/bash --version GNU bash, version 4.0.33(1)-release (x86_64-pc-linux-gnu) while I do not get this error in another suse machine: /bin/bash --version GNU bash, version 3.2.39(1)-release (x86_64-suse-linux-gnu) Copyright (C) 2007 Free Software Foundation, Inc. Why the error? Thanks

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