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• row operation in same table and same coloumns

  - by Raj

  Hi! i have a little problem to discuss i hope it will easy for you. suppose i have table A with 2 columns as item price milk 25 milk 50 milk 100 Butter 25 Butter 100 Butter 200 now i want to display a table B derived from table A as item price growth rate milk 0 milk 100 milk 100 Butter 100 Butter 200 Butter 100 formula for growth rate for row1 is ((row[1]-row[0])/row[0])*100 eg for 1st row ((50-25)/25)*100 can you suggest a SQl Query for it

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• Magento or Prestashop, which is better?

  - by leduchuy89vn

  I want to find an ecommerce solution for my little shop. My friend tells me that Prestashop is very easy to use and develop modules for, but some say Magento is better. Can anybody tell me which is better for developing modules and why? Thank you.

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• Polishing an user interface

  - by elec

  Looking for examples of some "final touches" to enhance an existing (raw) user interface. I.e nothing related to the core functionalities of the application, but rather examples of all these little details which give an application a "polished" look (new fonts, change in layout, more descriptive labels...others ?) The target platform will be a mobile platform (android/iphone). Note that I'm severly graphically impaired regarding colour and shape combinations, so anything too sophisticated will probably pass me by completely ;)

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• calling a stored postgres function from php

  - by KittyYoung

  Just a little confused here... I have a function in postgres, and when I'm at the pg prompt, I just do: SELECT zp('zc',10,20,90); FETCH ALL FROM zc; I'm wondering how to do this from php? I thought I could just do: $q = pg_query("SELECT zp('zc',10,20,90)"); But, how do I "fetch" from that query?

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• Flex-Flash frontend for Wordpress

  - by user252160

  We all know what Wordpress can do with a little bit of css goodness. I was wondering whether the idea could be extended even further and make a completely separate Flash/Flex frontend for a website, that uses Wordpress in the back. That would certainly be possible. I was just wondering whether its practical. Any progress on the topic ?

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• Are there any good books to learn C++ if you already know Java and C#

  - by JF LR

  Hi, I would like to know if you have any good books that teach C++ programming without repeating basic stuff. In fact, I already well know Java and C#. I also have a basic knowledge in C and assembly, so I understand a little bit pointer arithmetic, manual memory management and heap based allocation. I was looking at O'Reilly's C++ in a Nutshell and was also wondering if this book would be a good choice. Thank you

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• In java, what is the difference between a HashSet and HashMap....?

  - by SpikETidE

  Apart from the fact that hashSet does not allow duplicate values, what is the difference between a HashMap and Hashset...? I mean implementaion wise.....? It's a little bit vague because both use hash table to store values.....

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• How to check if a given Regex is valid?

  - by Philipp Andre

  Hi folks, I have a little program allowing users to type-in some regular expressions. afterwards i like to check if this input is a valid regex or not. I'm wondering if there is a build-in method in Java, but could not find such jet. Can you give me some advice? Best regards Phil

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• cleaning up expired sessions with a custom SessionStateStoreProvider

  - by CountCet

  I'm implementing my own SessionStateStoreProvider with a schemaless database. It's a little hard to tell from the documentation but it seems as though I will have to have a separate process for cleaning up expired sessions since the database will not have a way to notify the session state store that a session has expired. Am I wrong about this? I haven't seen an alternative example for overriding the SetItemExpireCallback method.

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• How do I put a clear button inside my HTML text input box like the iPhone does?

  - by Hugh Buchanan

  I want to have a nice little icon that, when clicked will clear the text in the <INPUT> box. This is to save space rather than having a clear link outside of the input box. My CSS skills are weak... Here is a screenshot of how the iPhone looks.

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• What is recommended approach for storing SharePoint web part images ?

  - by Nikhil Vaghela

  I am little confused with available approaches to store my web part images. I found that i can store images which are being used in my Web Part at following different location 1. [12Hive]/TEMPLATE/LAYOUTS/1033/IMAGES 2. 80/wpresources/[AssemblyName] 3. [12Hive]/TEMPLATE/LAYOUTS/[Project specific folder]/Images/ Can any one suggest when to use which approach ? Thanks.

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• Need to have testing server work with https: but don't have an SSL

  - by Cyrcle

  I'm working on an online store. I have it setup on my testing server. I'm having a problem where when it goes to the checkout functions it wants to start calling https pages. I don't have an SSL certificate for this server. Is there something I can do with Apache to get this to work? Mod_Rewrite perhaps? I've played a little with rewrites but haven't had any success.

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• Getting a borderless window to receive mouseMoved events (Cocoa OSX)

  - by Michael Minerva

  I have a little popup window used for selecting images sorted by groups, and I would like to add a selection box around whatever image is being hovered over. I am trying to this by overriding the mouseMoved event for the window but it seems that a window that has a border-less style mask receives no mouseMoved events even if you have set setAcceptsMouseMoved events to YES. Is there anyway to make a borderless window receive this events?

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• Split a complex GUI window into several files in Netbeans

  - by Hectoret

  After building the application GUI, I realised it was a little bit too complex and I could reuse some of the Swing components. The result is a complex class with many anidated JPanels. My question is: does Netbeans provide a way to split a JPanel and its children components into a different class? If I do it by hand, will the GUI designer still work? Thanks!

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• How to make NetBeans IDE 6.8 show svn commit status (especially for "dirty" files)

  - by Andrew M. Andrews III

  I just switched from Eclipse to NetBeans IDE 6.8 for my PHP/Ajax development. Eclipse always showed a little hard disk symbol over the file icon for files that were in sync with the svn repository, and an asterisk for files with changes that have not been committed. Is there a way to see the commit status in NetBeans? If not, what is your preferred way of recognizing which files to commit?

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• Best PHP timezone list

  - by jimbo

  I have looked over the PHP list of supported timezones, but the whole list is a little long to include in a drop-down menu, for the user to select his or her timezone. Is there a list with the main city/area on that can be used? My geography is terrible and add that to not knowing all the area and which timezone they fall into it could be a long day to construct the list my self! Thanks in advance

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• Design Patterns: What is a type

  - by contactmatt

  A very basic question, but after reading the "Design Patterns: Elements of reusable OO Software" book, I'm a little confused. The book states, "An object's type only refers to its interface-the set of request to which it can respond. An object can have many types, and objects of different classes can have the same type." Could someone please better explain what a Type is? I also don't understand how one object can have multiple types...unless the book is speaking of polymorphism....

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• Hidden features of PL/SQL

  - by Adam Paynter

  In light of the "Hidden features of..." series of questions, what little-known features of PL/SQL have become useful to you? Edit: Features specific to PL/SQL are preferred over features of Oracle's SQL syntax. However, because PL/SQL can use most of Oracle's SQL constructs, they may be included if they make programming in PL/SQL easier.

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• How can I write a regular expression that will not match if a string contains a particular substring

  - by Iain Fraser

  Example: Suppose in the following example I want to match strings that do not contain the word "NOOOT". Example A: This shirt is NOOOT black. Example B: This shirt is black. I want something a little bit like the like the non-matching character class (e.g. [^abc]), but for whole strings: .*?(^NOOOT).*? Does such a creature exist?

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• DataContractSerializer: preserve string member that happens to be raw xml?

  - by bwerks

  I'm a little inexperienced with the DataContract paradigm, and I'm running into a deserialization problem. I have a field that's a string, but it contains xml and it's not being deserialized correctly. I have a feeling that it's because the DCS is treating it as input to the serializer and not as an opaque string object. Is there some way to mark a DataMember in code to say "This thing is a string, don't treat its contents as xml" similar to XmlIgnore? Thanks!

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• Add fields to the Site information section on Drupal 6.12

  - by Shadi Almosri

  Hiya, I've been shifting through the drupal documentation and forums but it's all a little daunting. If anyone has a simple or straight forward method for adding fields to the Site information page in the administration section i'd really appreciate it. As a background, i'm just trying to add user customizable fields site wide fields/values.

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• Can I make the webview take only a port of the screen?

  - by spagi

  I am trying to make a webview to open on the bottom of the application to display little information but it keeps taking the whole screen and covering other widgets with information. Is there a way to make it have a certain size and place on the application?

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• 2 Questions about nUnit.

  - by Night Walker

  Hi all I have 2 questions about functionality of nunit. What is the difference between [TestFixtureSetUp] and [SetUp] attributes ? I am writing a some class with tests and I see that half of my test functions need one setup, And an another half needs another set up. How can I have in one class two little different SetUp functions that are called with different functions Thanks.

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• How do I format and apply rails methods to output of Ruport?

  - by Angela

  I am creating a report from Ruport and want to be able to take the grouping heading, in this case the ID for the class Email, and wrap a method around it and a link_to to link to the Email view based on the email_id: @table = ContactEmail.report_table(:all, :conditions => ['date_sent >= ? and date_sent <= ?', @monday, @friday]) @grouping = Grouping(@table, :by => "email_id") How do I do that? It feels as if I have little control over the output.

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• Scalability of Ruby on Rails versus PHP

  - by Daniel

  Can anyone comment on which is more scalable between RoR and PHP? I have heard that RoR is less scalable than PHP since RoR has a little more overhead with its MVC framework while PHP is more low level and lighter. This is a bit vague - can anyone explain better?

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