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• sessionFactory already exist

  - by senzacionale

  Can someone advice me how to prevent this error. SessionFactory already exist? sessionFactory = cfg.BuildSessionFactory(); if (sessionFactory == null) { throw new InvalidOperationException("cfg.BuildSessionFactory() returned null."); } if (sessionFactoryConfigPath != null) sessionFactories.Add(sessionFactoryConfigPath, sessionFactory);

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• How to do method chaining in Java? o.m1().m2().m3().m4()

  - by Pentium10

  Maybe the title might be better, if someone knows a better one, please edit. I've seen in many Java code notation that after a method we call another, here is an example. Toast.makeText(text).setGravity(Gravity.TOP, 0, 0).setView(layout).show(); As you see after calling makeText on the return we call setGravity and so far. How can I do this with my own classes? Do I have to do anything special?

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• JavaScript basic question

  - by refge

  I have this small JavaScript code which I need some help with: function doFocus(text) { if (text.value == "Enter Name") { text.value = "Student Name -"; } } All I need here is when someone clicks on my textbox, the text "Student Name -" should change its color, and should text-align = left. I am looking for the appropriate syntax for something like text.color and text.align.

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• Mimic what is in the Textbox - impossible?

  - by Daniel

  I have four sheets in a spreadsheet. On each sheet there is a textbox. When I type in the textbox on sheet1, I want the textboxes on sheet2, sheet3, and sheet4 to populate with the same value. I've only gotten stupid answers, so someone with real knowledge would be helpful.

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• In Wordpress CMS, the controls under the WYSIWYG editor

  - by John

  I want to create a wordpress plugin where it adds additional controls underneath the WYSIWYG editor when adding pages/posts. But I don't know what keywords I'm supposed to google for to find relevant tutorials on how to do it. Can someone provide me with resources?

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• Antique Software [closed]

  - by Antique

  Will software ever be considered "antique"? In other words, is a stack of punch cards worth anything? (Perhaps if they were made by someone special, or the program on them was some type of programming milestone?) What about modern software?

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• Random RAM usage amounts

  - by DTown

  I was hoping someone could explain why my application when loaded uses varying amounts of RAM. I'm speaking about a compiled version that uses the exe directly. It's a pretty basic applications and there are no conditional branches in the startup of the application. Yet every time I start it up the RAM amount varies from 6MB-16MB. I know it's on the small end of usage anyways but I'm curious of why this happens.

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• Wordpress PHP Question

  - by Matt

  I have a standard wordpress blog displaying 10 posts on the index page. I'd like to show the last post from a single category in a premium spot above the other 10 posts. Can someone please tell me what i need to add to the code to do this?

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• Object Events, how do are they implemented

  - by Malfist

  Events are really awesome, and I wouldn't know what I would do without them, but they're a mystery to me. I'm talking about events in a sense, a function(s) is called if a property, or value, a special event happens. I have only the vaguest idea how these actually work. I know it's an observer pattern, but I don't truly know how it works and/or how to implement it. Can someone explain that to me?

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• [Edited] is it helpful to use cursor in triggers for auditing? If Yes then How?

  - by Parth

  Is it possible to Use cursor in triggers in MySQL? Is it recommended? as someone told me its helpfull to use cursor in triggers for auditing I need this for auditing... EDIT is it helpful to use cursor in triggers for auditing? If Yes then How? Please help .. Thank You

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• What happens if two people submit edits at once

  - by Karl Entwistle

  Hi there, This might be a stupid questions but I wanted to know what happens if two users edit some data at once and then both click submit at the same time, I assumed Rails handled requests one after the other and so someone would get an error message but is this correct? Thanks (Once one person has edited data I dont want it to be accessible or editable anymore)

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• Creating custom/intutive layout for controls

  - by LibraRocks

  Hi, I have an address control which display the contact info of the person. so it displays something like 1234, street City, CA 12345 Now i want to give user flexibility to create format out of it. For ex someone might want to display address as, street, City, Country OR Just display their emails: [email protected] [email protected] Any good ideas on how to it or similar examples? thanks

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• PHP - not sure how to ask - regarding variables and $_POST

  - by Phil

  I have a PHP form. The form works but I'm trying to test to see if a value other than the first item has been selected. I can't figure out how to write the If statement. $products = array( '' => 1, 'Item 2' => 2, 'Item 3' => 3, 'Item 4' => 4, 'Item 5' => 5, 'Item 6' => 6 ); $html = generateSelect('products', $products); function generateSelect($name = '', $options = array()) { $html = '<select name="'.$name.'">'; foreach ($options as $option => $value) { $html .= '<option value='.$value.'>'.$option.'</option>'; } $html .= '</select>'; return $html; } In my table, the drop down box is displayed: <tr> <td style="width:{$left_col_width}; text-align:left; vertical-align:center; padding:{$cell_padding}; font-weight:bold; {$product[3]}">{$product[0]}</td> <td style="text-align:left; vertical-align:top; padding:{$cell_padding};"><select name="{$product[1]}"> <option value="1"></option> <option value="2">Item 2</option> <option value="3">Item 3</option> <option value="4">Item 4</option> <option value="5">Item 5</option> <option value="6">Item 6</option> </select></td> </tr> I use the following if statement to check to see if someone has entered a phone number. if they have not entered a phone number, then the "Phone:" text turns red. How do I do an if statement similar to this to verify that someone has selected a product option from the drop down box? if(!empty($_POST['phone'])) { $phone[2] = clean_var($_POST['phone']); if (function_exists('htmlspecialchars')) $phone[2] = htmlspecialchars($phone[2], ENT_QUOTES); } else { $error = 1; $phone[3] = 'color:#d20128;'; } it seems simple but I can't figure it out.

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• How do you connect to a remote database with SQLTALK?

  - by NitroxDM

  How do you connect to a remote database with SQLTALK? I was going to add a SQLTALK tag but I'm not cool enough again. So... could someone re-tag this question? Thanks.

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• Postsharp installer bug: .Net 2.0 not presented

  - by HeavyWave

  There is an issue with PostSharp 1.5 and 2.0 that won't let you install it on the Windows 7 machine with the error message ".NET Framework 2.0 is not present on this computer". To work around the issue you have to run the installer while being logged in with Administrator account. Not Admin group and not "run as Administrator", you have to be logged in with the Administrator account. Hope that helps, if someone has the same issue.

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• Regular expression that matches valid IPv6 addresses

  - by Readonly

  I'm having trouble writing a regular expression that matches valid IPv6 addresses, including those in their compressed form (with "::" or leading zeros omitted from each byte pair). Can someone suggest a regular expression that would fulfill the requirement? I'm considering expanding each byte pair and matching the result with a simpler regex.

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• Which key to bind to avoid conflict with native browser shortcuts

  - by Savageman

  Hi, I didn't see the question yet. Every browser has different native keyboard short-cuts. Did someone already tried to figure out which one free / safe to use if we want to add some spicy stuff to our web-app? Thanks in advance.

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• Matlab: How to get the current mouse position on a click by using callbacks

  - by noam

  I googled near and far, but couldn't get an example of how you associate a callback to the click event in matlab. Can someone show me an example?

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• question about a macro in Linux Kernel List implementation

  - by holydiver

  I generally have ignored using macros while writing in C but I think I know fundamentals about them. While i was reading the source code of list in linux kernel, i saw something like that: #define LIST_HEAD_INIT(name) { &(name), &(name) } #define LIST_HEAD(name) \ struct list_head name = LIST_HEAD_INIT(name) (You can access the remaining part of the code from here.) I didn't understand the function of ampersands(I don't think they are the address of operands here) in LIST_HEAD_INIT and so the use of LIST_HEAD_INIT in the code. I'd appreciate if someone can enlighten me.

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• Example/tutorial for creating an input form using Android SDK

  - by theactiveactor

  I'm looking to create a simple form with some textfields and a button using the Android SDK. Could someone point out a good example or tutorial for getting started?

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• What is the most efficient way to use Core Data?

  - by Eric

  I'm developing an iPad application using Core Data, and was hoping someone could clarify something about Core Data. Right now, I populate my table by making a fetch request for all of my data in viewDidLoad. I'd rather make individual fetch requests in my tableView:cellForRowAtIndexPath:. Can anyone tell me which is more efficient, and why? In other words, is it much less efficient to make lots of small requests as opposed to one big request?

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• Should I use an ArrayList or IList

  - by Farstucker

  Im using the .NET framework 1.1 and Im hoping someone could help me implement a dynamic array of objects? A watered-down example of the object I wish use is below. Class CarObj { public string CarName; public string CarYear; } Should I use an ArrayList or do you think it would be better to make a CarList class to implement an IList interface? Is there a performance benefit for one over another?

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• ActiveRecord :has_many associations and === operator

  - by Jakub

  Can someone explain me this Ruby on Rails puzzle? class Post < ActiveRecord::Base has_many :comments end Post.first.comments.class => Array Array === Post.first.comments => false Array === [ 1 ] => true

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• polymorphism alternative for MySQL stored procedures

  - by zombiegx

  I'm porting some stored procedures from Informix to MySQL, but I have two stored procedures on Informix that have same name and different parameters. In MySQL, I can't create two SP with the same name, and also can't create a SP with default values in parameters. so, do someone out there know any hackery or black magic that may help me solve this problem? thanks.

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• Visual Studio 2010 - Crash/Problems on the keyboard (Keys)

  - by Ph.E

  Camarades, My Visual Studio is in trouble in keyboard. I am working normally, when suddenly my keyboard loses its configuration, so where is the "" becomes "/". Someone can tell me what would be a possible solution? (Yes, I know something is hazy). Or has left some Pachter fix for problems like this. Grateful for any help. Success for all. Microsoft Visual Studio 2010 Version 10.0.30319.1 RTMRel

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