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• Adding one subquery makes query a little slower, adding another makes it way slower

  - by Jason Swett

  This is fast: select ba.name, penamt.value penamt, #address_line4.value address_line4 from account a join customer c on a.customer_id = c.id join branch br on a.branch_id = br.id join bank ba on br.bank_id = ba.id join account_address aa on aa.account_id = a.id join address ad on aa.address_id = ad.id join state s on ad.state_id = s.id join import i on a.import_id = i.id join import_bundle ib on i.import_bundle_id = ib.id join (select * from unused where heading_label = 'PENAMT') penamt ON penamt.account_id = a.id #join (select * from unused where heading_label = 'Address Line 4') address_line4 ON address_line4.account_id = a.id where i.active=1 And this is fast: select ba.name, #penamt.value penamt, address_line4.value address_line4 from account a join customer c on a.customer_id = c.id join branch br on a.branch_id = br.id join bank ba on br.bank_id = ba.id join account_address aa on aa.account_id = a.id join address ad on aa.address_id = ad.id join state s on ad.state_id = s.id join import i on a.import_id = i.id join import_bundle ib on i.import_bundle_id = ib.id #join (select * from unused where heading_label = 'PENAMT') penamt ON penamt.account_id = a.id join (select * from unused where heading_label = 'Address Line 4') address_line4 ON address_line4.account_id = a.id where i.active=1 But this is slow: select ba.name, penamt.value penamt, address_line4.value address_line4 from account a join customer c on a.customer_id = c.id join branch br on a.branch_id = br.id join bank ba on br.bank_id = ba.id join account_address aa on aa.account_id = a.id join address ad on aa.address_id = ad.id join state s on ad.state_id = s.id join import i on a.import_id = i.id join import_bundle ib on i.import_bundle_id = ib.id join (select * from unused where heading_label = 'PENAMT') penamt ON penamt.account_id = a.id join (select * from unused where heading_label = 'Address Line 4') address_line4 ON address_line4.account_id = a.id where i.active=1 Why is it fast when I include just one of the two subqueries but slow when I include both? I would think it should be twice as slow when I include both, but it takes a really long time. On on MySQL.

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• Jquery selectors question

  - by Ben

  Hi all, I am not an expert at jquery but trying to get a menu to work. Basically, I have a menu made of up to 3 levels of nested lists. The first level has a little arrow has a background image that opens or close when opening the first level list. Any other nested lists don't need to have the background image. My script opens the menu when you click on it and is also supposed to switch the first level list from a class "inactive" to a class "active". Here is the script: $(document).ready(function(){ $("#left-navigation-holder ul.level1 li.inactive").toggle(function(){ $(this).addClass("active"); }, function () { $(this).removeClass("active"); }); $("#left-navigation-holder li a").click(function(){ menu = $(this).parent('li').children('ul'); menu.toggle(); }); }); The problem is that the toggle function also happens when clicking on second and third level lists causing the arrows to toggle even if the first level list isn't clicked on. I thought using $("#left-navigation-holder ul.level1 li.inactive").toggle would limit the function to the first level list with a class "inactive". Any help would be really appreciated. Ben

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• Node & Redis: Crucial Design Issues in Production Mode

  - by Ali

  This question is a hybrid one, being both technical and system design related. I'm developing the backend of an application that will handle approx. 4K request per second. We are using Node.js being super fast and in terms of our database struction we are using MongoDB, with Redis being a layer between Node and MongoDB handling volatile operations. I'm quite stressed because we are expecting concurrent requests that we need to handle carefully and we are quite close to launch. However I do not believe I've applied the correct approach on redis. I have a class Student, and they constantly change stages(such as 'active', 'doing homework','in lesson' etc. Thus I created a Redis DB for each state. (1 for being 'active', 2 for being 'doing homework'). Above I have the structure of the 'active' students table; xa5p - JSON stringified object #1 pQrW - JSON stringified object #2 active_student_table - {{studentId:'xa5p'}, {studentId:'pQrW'}} Since there is no 'select all keys method' in Redis, I've been suggested to use a set such that when I run command 'smembers' I receive the keys and later on do 'get' for each id in order to find a specific user (lets say that age older than 15). I've been also suggested that in fact I used never use keys in production mode. My question is, no matter how 'conceptual' it is, what specific things I should avoid doing in Node & Redis in production stage?. Are they any issues related to my design? Students must be objects and I sure can list them in a list but I haven't done yet. Is it that crucial in production stage?

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• How to detect that the internet connection has got disconnected through a java desktop application?

  - by Yatendra Goel

  I am developing a Java Desktop Application that access internet. It is a multi-threaded application, each thread do the same work (means each thread is an instance of same Thread class). Now, as all the threads need internet connection to be active, there should be some mechanism that detects whether an internet connection is active or not. Q1. How to detect whether the internet connection is active or not? Q2. Where to implement this internet-status-check-mechanism code? Should I start a separate thread for checking internet status regularly and notifies all the threads when the status changes from one state to another? Or should I let each thread check for the internet-status itself? Q3. This issue should be a very common issue as every application accessing an internet should deal with this problem. So how other developers usually deal with this problem? Q4. If you could give me a reference to a good demo application that addresses this issue then it would greatly help me.

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• Problem with adding and removing classes with jQuery when hovering over a list item.

  - by Andrew

  I want to add a class to a list item when I hover over it, and then remove it and add it to a different list item if a different list item is hovered over. Here's what I tried: jQuery - $(document).ready(function() { $("#results").text("Tournaments"); $("#Tournaments").addClass("box-active"); $("#box ul li").hover(function() { var show = $(this).attr('id'); $("#results").text(show); $("#box ul li").each(function() { $(this).removeClass("box-active"); }); $("#box ul li#" + show).addClass("box-active"); }); }); HTML - <div id="box"> <ul> <li id="Tournaments">Tournaments</li> <li id="Join">Join</li> <li id="Forums">Forums</li> <li id="GameBattles">GameBattles</li> <li id="Practice">Practice</li> </ul> <p>Hovering over: <span id="results"></span></p> </div> When I hover over an item, it changes the class, but if I hover over I different one it removes the class over the item I first hovered over, but doesn't add the class to the new item I'm hovering over. Not sure why, and any help would be appreciated.

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• Insert Stored Procedure does not Create Database Record

  - by SidC

  Hello All, I have the following stored procedure: ALTER PROCEDURE Pro_members_Insert @id int outPut, @LoginName nvarchar(50), @Password nvarchar(15), @FirstName nvarchar(100), @LastName nvarchar(100), @signupDate smalldatetime, @Company nvarchar(100), @Phone nvarchar(50), @Email nvarchar(150), @Address nvarchar(255), @PostalCode nvarchar(10), @State_Province nvarchar(100), @City nvarchar(50), @countryCode nvarchar(4), @active bit, @activationCode nvarchar(50) AS declare @usName as varchar(50) set @usName='' select @usName=isnull(LoginName,'') from members where LoginName=@LoginName if @usName <> '' begin set @ID=-3 RAISERROR('User Already exist.', 16, 1) return end set @usName='' select @usName=isnull(email,'') from members where Email=@Email if @usName <> '' begin set @ID=-4 RAISERROR('Email Already exist.', 16, 1) return end declare @MemID as int select @memID=isnull(max(ID),0)+1 from members INSERT INTO members ( id, LoginName, Password, FirstName, LastName, signupDate, Company, Phone, Email, Address, PostalCode, State_Province, City, countryCode, active,activationCode) VALUES ( @Memid, @LoginName, @Password, @FirstName, @LastName, @signupDate, @Company, @Phone, @Email, @Address, @PostalCode, @State_Province, @City, @countryCode, @active,@activationCode) if @@error <> 0 set @ID=-1 else set @id=@memID Note that I've "inherited" this sproc and the database. I am trying to insert a new record from my signup.aspx page. My SQLDataSource is as follows: <asp:SqlDataSource runat="server" ID="dsAddMember" ConnectionString="rmsdbuser" InsertCommandType="StoredProcedure" InsertCommand="Pro_members_Insert" ProviderName="System.Data.SqlClient"> The click handler for btnSave is as follows: Protected Sub btnSave_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnSave.Click Try dsAddMember.DataBind() Catch ex As Exception End Try End Sub When I run this page, signup.aspx, provide required fields and click submit, the page simply reloads and the database table does not reflect the newly-inserted record. Questions: 1. How do I catch the error messages that might be returned from the sproc? 2. Please advise how to change signup.aspx so that the insert occurs. Thanks, Sid

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• How can I call `update_attribute` for a list item in rails then actually update the html using jquery?

  - by Patrick Connor

  I want my users to be able to mark one or more items from an index view as "Active" or "Inactive" using a link. The text for the link should be state aware - so it might default to "Mark as Active" if the corresponding attribute was false or null, and "Mark as Inactive" if true. Once the user clicks the link and the attribute is updated in the controller, the link-text should update based on the new state. I am WAY off here, but this is a small sample of the code I have been trying... CONTROLLER ... respond_to :html, :js ... def update @item = Item.find(params[:id]) if @item.update_attributes(params[:item]) #Not sure of how to respond to .js here end end ... update.js.erb #how do I identify which element to update? $('#item[13456]').html("State aware text for link_to") VIEW - for item in @items = item.name = link_to "Mark as Active", item_path(item), :method => :put, :remote => true. :id => "item[#{item.id}]" I am happy to read any APIs, blogs, tutorials, etc. I just can't seem to get my hands/mind around this task. Any help or guidance is greatly appreciated!

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• using 'or' operator not working for menu

  - by John Wilkes

  In my code here, I have a CSS class called "active" which I use if the $_GET['page'] == tutorials, php, mysql, etc... The problem is, even if the 'page' variable is not equal to any of these values, the Tutorials button in this case is still active for some reason. Any ideas why this would be happening? Am I using the 'or' (||) operand incorrectly? <?php if($_GET['page'] == 'tutorials' || 'php' || 'mysql' || 'html' || 'css' || 'js') { ?> <li class="active"> <?php } else { ?> <li> <?php } ?> <a href="index.php?page=tutorials">Tutorials</a> <ul> <li><a href="index.php?page=php">PHP</a></li> <li><a href="index.php?page=mysql">MySQL</a></li> <li><a href="index.php?page=html">HTML</a></li> <li><a href="index.php?page=css">CSS</a></li> <li><a href="index.php?page=js">JS</a></li> </ul> </li>

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• problem linking vba modules in MS Access 2007

  - by Ted

  I am upgrading a database system from Access 2000 db to Access 2007, which communicates with several chemistry measuring devices(pH meter, scale, etc) via an RS 232 serial port. The first db consists of several modules containing vba code that enables the communications with the ports, as well as supports the code behind the forms in the second db. The user, or lab tech, navigates through the forms in the second db to interact with the lab devices, and also to generate the reports which display the info. from the devices. The reports are also part of the second db. The code works in Access 2000, but once I convert it to 2007, the code in the second db cannot find the function calls in the first db that dictate the progression from screen to screen. I have tried importing the modules into the second db, and I have tried linking them, but it still doesn't work. The error message is #438: "Object doesn't support this property or method." Any suggestions would be greatly appreciated. Here is the code for the first function that is not being called correctly: Description: ' This routine is used to return to the calling form and close the active form. ' ' Input: ' strFormCalled --- the active form ' strCallingForm --- the form that called the active form ' blnUnhideOrOpen --- whether to open or just unhide form Public Sub basReturnToCallingForm(ByVal strFormCalled As String, ByVal _ strCallingForm As Variant, Optional blnUnhideOrOpen As Boolean = True) On Error GoTo err_basReturnToCaliingForm If Not basIsBlankString(strCallingForm) And blnUnhideOrOpen Then DoCmd.OpenForm strCallingForm, acNormal Else Call basUnHideForm(strCallingForm) End If Call basCloseForm(strFormCalled) exit_basReturnToCaliingForm: Exit Sub err_basReturnToCaliingForm: Err.Raise Err.Number, "basReturnToCaliingForm", Err.Description End Sub I will post the second function shortly, but I have to go to a meeting... The second funtion that isn't 'working' is a cmdStartClick that is supposed to be called when a user initializes a pump. However, within that function, it's also sticking on a line that is supposed to progress to the next form in the db. The other thing is that the code works in Access 2002, but not in Access 2007...

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• Multiple/nested "select where" with Zend_Db_Select

  - by DJRayon

  Hi there I need to create something like this: select name from table where active = 1 AND (name LIKE 'bla' OR description LIKE 'bla') The first part is easy: $sqlcmd = $db->select() ->from("table", "name") ->where("active = ?", 1) Now comes the tricky part. How can I nest? I know that I can just write ->orWhere("name LIKE ? OR description LIKE ?", "bla") But thats wron, because I need to dynamically change all the parts. The query will be built all the time the script runs. Some parts get deleted, some altered. In this example I need to add those OR-s because sometimes I need to search wider. "My Zend Logic" tells me that the correct way is like this: $sqlcmd = $db->select() ->from("table", "name") ->where("active = ?", 1) ->where(array( $db->select->where("name LIKE ?", "bla"), $db->select->orWhere("description LIKE ?", "bla") )) But that doesn't work (atleast I dont remember it working). Please. Can someone help me to find a object oriented way for nesting "where"-s

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• Send string from java (or other platform) to application

  - by MrSnowflake

  I want to send a barcode, read with my cellphone, to my computer. My computer has a simple server running, which listens to barcodes. When a barcode arrives, the server app should be able to input the value of the received barcode into the active application (I don't really care which application is going to get the input, the user should be able to select gedit, a terminal window or the browser if they choose to). My language at the moment is Java on GNU/Linux (Ubuntu), so I know about the Robot class. But the Robot class emulates a keyboard, which means: when you send VK_1 on a US keyboard layout, the output is '1' indeed, but when you send VK_1 on another layout (like belgian, which I use), which requires shift for the '1' key, the output is '&' (this is the character on the '1' key, when you don't hold shift). I also found xsendkeys, but this application too requires you to specify whether you need to hold shift. So it will be able to send an 'a' but for an 'A' (thus capital) you need to specify you want to hold shift with your 'a'. Isn't there an easy way to do this, for GNU/Linux and Windows, just using strings. I want to be able to send "12a68dd" to the active application. And I also would like to be able to send UTF-8 characters to the active application. I have been looking for a solution, but most require the breakdown in multiple keystrokes, which are often dependent on the keyboard layout.

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• Best way to limit results in MySQL with user subcategories

  - by JM4

  I am trying to essentially solve for the following: 1) Find all users in the system who ONLY have programID 1. 2) Find all users in the system who have programID 1 AND any other active program. My tables structures (in very simple terms are as follows): users userID | Name ================ 1 | John Smith 2 | Lewis Black 3 | Mickey Mantle 4 | Babe Ruth 5 | Tommy Bahama plans ID | userID | plan | status --------------------------- 1 | 1 | 1 | 1 2 | 1 | 2 | 1 3 | 1 | 3 | 1 4 | 2 | 1 | 1 5 | 2 | 3 | 1 6 | 3 | 1 | 0 7 | 3 | 2 | 1 8 | 3 | 3 | 1 9 | 3 | 4 | 1 10 | 4 | 2 | 1 11 | 4 | 4 | 1 12 | 5 | 1 | 1 I know I can easily find all members with a specific plan with something like the following: SELECT * FROM users a JOIN plans b ON (a.userID = b.userID) WHERE b.plan = 1 AND b.status = 1 but this will only tell me which users have an 'active' plan 1. How can I tell who ONLY has plan 1 (in this case only userID 5) and how to tell who has plan 1 AND any other active plan? Update: This is not to get a count, I will actually need the original member information, including all the plans they have so a COUNT(*) response may not be what I'm trying to achieve.

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• Change XML node element value in PHP and save file.

  - by Hannes

  <testimonials> <testimonial id="4c050652f0c3e"> <nimi>John</nimi> <email>[email protected]</email> <text>Some text</text> <active>1</active> </testimonial> <testimonial id="4c05085e1cd4f"> <name>ats</name> <email>[email protected]</email> <text>Great site!</text> <active>0</akctive> </testimonial> </testimonials> I have this XML strcuture and i need to find a testimonial with specific id and change its value and save file. I have a PHP script deleting specific testimonial according its ID: <?php $xmlFile = file_get_contents('test.xml'); $xml = new SimpleXMLElement($xmlFile); $kust_id = $_GET["id"]; foreach($xml->testimonial as $story) { if($story['id'] == $kust_id) { $dom=dom_import_simplexml($story); $dom->parentNode->removeChild($dom); $xml->asXML('test.xml'); header("Location: newfile.php"); } } ?>

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• Twitter Bootstrap on page tabs: not hiding tab content

  - by user973424

  I'm trying to get the twitter on page tabbed content to work. I have the tabs working with switching around active class on the tabs. I've included jquery and the bootstrap-tabs.js but the following code can't seem to get the tabbed content to hide / display as they should. Any help on what may be a simple fix would be appreciated. <div class="span8"> <ul class="tabs" data-tabs="tabs"> <li class="active"><a href="#2009">2009</a></li> <li><a href="#2010">2010</a></li> <li><a href="#2011">2011</a></li> </ul> <div class="pill-content"> <div class="active" id="2009"> 2009 copy </div> <div id="2010"> 2010 copy </div> <div id="2011"> 2011 copy </div> </div> <script> $(function () { $('.tabs').tabs() }) </script> </div><!-- end span 8 -->

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• C# struct with an array

  - by Whitey

  I am making a game using C# with the XNA framework. The player is a 2D soldier on screen and the user is able to fire bullets. The bullets are stored in an array. I have looked into using Lists and arrays for this and I came to the conclusion that an array is a lot better for me, as there will be a lot of bullets firing and being destroyed at once, something that I read Lists don't handle so well. After reading through some posts on the XNA forums, this came to my attention: http://forums.xna.com/forums/p/16037/84353.aspx I have created a struct like so: // Bullets struct Bullet { Vector2 Position; Vector2 Velocity; float Rotation; Rectangle BoundingRect; bool Active; } And I made the array like this: Bullet[] bulletCollection = new Bullet[100]; But when I try to do some code like this: // Fire bullet if (mouseState.LeftButton == ButtonState.Pressed) { for (int i = 0; i < bulletCollection.Length; i++) { if (!bulletCollection[i].Active) { // something } } I get the following error: 'Zombie_Apocalypse.Game1.Bullet.Active' is inaccessible due to its protection level Can anyone lend a hand? I have no idea why this error is popping up, or even if I'm declaring the array properly or anything... as the post on the XNA forums doesn't go into detail about that. Thank you for any help you can provide. :)

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• get an id of child element and store in a variable using jquery?

  - by Simpson88Keys

  I'm basically trying to do exactly what the subject suggests, but I'm getting "undefined" in my alert, and I'm not entirely sure why. I am fairly new to jquery, so, I probably have the syntax wrong, but not sure where to go from here. I'll post both of my attempts, which both yield "undefined" in the alert... //In my first attempt, I'm trying to get the id of the inner a tag <ul> <li id="l1" class="active"><a href="#c1">Samp 1</a></li> <li id="l2" class=""><a href="#c2">Samp 2</a></li> <li id="l3" class=""><a href="#c3">Samp 3</a></li> </ul> var selected = $(".active).children("a").attr("id"); alert(selected); //In my second attempt, I'm trying to get the id of the currently selected li var selected = $(".active").attr("id"); alert(selected);

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• session timeout prompt asp.net

  - by renathy

  The application I am using is implementing some session timeout prompt using jquery. There is a timer that counts and if there is no user activity after predefined X minutes it shows user prompt (Your session will end soon... Continue or Logout). It uses the approach found here - http://www.codeproject.com/Articles/227382/Alert-Session-Time-out-in-ASP-Net. However, this doesn't work if user opens new tab: 1) User logs in, timer starts counting user inactivity's. 2) User clicks some link that opens in new window (for example, in our case it is a long report running). Second tab is active, there is some response (crossbacks / postbacks that doesn't end session). 3) Second browser tab is active, there is some activity that doesn't end session. 4) However, first browser tab is inactive and counter is "thinking" that session should be closed, it displays appropriate message and then logout user. This is not what we want. So the given approach is just some session timeout fix, but if user is active in another tab, then application will logout user anyway. That is not the desired thing. We have a Report Page. It functions so that it opens report in a new tab/window. And it could be run quite long. Report section take care of some callbacks, so session wont end in this tab. However, it would end in the second tab.

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• Detect that the onscreen keyboard has been displayed on Windows Phone 7

  - by David_001

  Simple question: How do I detect that the onscreen keyboard has been displayed on windows mobile 7? Is there an event I can add a listener to? It takes up about half the screen and I want to scroll the view up when it gets displayed... EDIT: A comment below indicates more clearly what I'm trying to do: I have a textbox input, and as the user types into it an autocomplete dropdown appears below it (like google suggest). By default, the active control (the textbox) scrolls into view when focussed, and the onscreen keyboard is directly below it. The onscreen keyboard appears in front of my autocomplete dropdown - what I want to do is make the screen scroll a little further up, so there's some room for my dropdown to be shown. The windows phone UI design guidelines say: "When the keyboard is deployed, the application should scroll to ensure the active edit control and the caret are in view". This happens fine, it's just the non-active dropdown gets hidden behind the onscreen keyboard. The guidelines also say that an application can choose to show the onscreen keyboard, and can also choose to close it. At the moment i'm stuck, and I don't think (based on my research and the replies to this question) that it's possible to detect that the onscreen keyboard has been displayed. I'm moving my investigation to see if it's possible to determine the "visible area" of the page (width & height in pixels for example), and combine this with an onfocus for the textbox... not sure if this will prove fruitful though.

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• Matching a String and then incrementing a number within HTML elements

  - by Abs

  Hello all, I have tags in a html list, here is an example of two tags. <div class="tags"> <ul> <li> <a onclick="tag_search('tag1');" href="#">tag1 <span class="num-active">1</span></a> </li> <li> <a onclick="tag_search('tag2');" href="#">tag2 <span class="num-active">1</span></a> </li> </ul> </div> I would like to write a function that I can pass a string to, that will match the strings in the a hyperlink i.e. "tag1" or "tag2", if there is a match then increment the number in the span, if not then add a new li. The bit I am having trouble with is how do I search for a string in the div with class tags and then when I find a match identifying the element. I can't even do the first bit as I am use to using an ID or a Class. I appreciate any help on this using JQuery Thanks all Code so far function change_tag_count(item){ alert(item);//alerts the string test $.fn.searchString = function(str) { return this.filter('*:contains("' + item + '")'); }; if($('body').searchString(item).length){ var n = $('a').searchString(item).children().text(); n = parseInt(n) + 1; $('a').searchString(item).children().text(n); }else{ alert('here');//does not alert this when no li contains the word test $("#all_tags ul").append('<a onclick="tag_search(\''+item+'\');" href="#">'+item+'<span class="num-active">1</span></a>'); } }

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• switching on and off in jquery

  - by Mac Taylor

  hey my friends i wrote a code to switch on or off the status of a story ( activate or deactivate ) this is my html part : $status_link = $active==1 ? "active.gif" : "inactive.gif"; <span id='status_link'> <a class='change_status' href='javascript:void(0)' id='$pid'> <img src='images/$status_link' class='active_status' id='$active'></a> </span> and this is my jquery code : <script type="text/javascript">$(function(){ $('.change_status').each(function(){ var pid=$(this).attr('id'); $('.active_status').each(function(){ var type=$(this).attr('id'); .click(function(){ $.post("change_status.php"+"&type="+type+"&pid="+pid, function(data){ $('#status_link').html(data).fadeIn("slow"); }); return false; }); }); </script> and a php function that is easy, i dont think its needed i myself think there is a problem with my jquery code how can i change the picture of that image by clicking on it

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• Windows 2008 R2 DHCP server not responding to DHCP discover

  - by MartinSteel

  I've got two Windows 2008 Enterprise R2 servers both running DNS and DHCP called cod & lobster. DHCP is setup using the split scope option introduced with 2008 R2, whereby both servers should respond with the first response providing the lease. Setup is as follows: Cod - IP: 192.168.0.231 - Pool: 192.168.0.101 - 192.168.0.179, exclusion for 160-179. - Response Delay: 0ms - Authorised in Active Directory (Re-authorised to confirm) - Windows firewall disabled while testing Lobster - IP: 192.168.0.232 - Pool: 192.168.0.101 - 192.168.0.179, exclusion for 101-159. - Response Delay: 1000ms - Authorised in Active Directory All DHCP leases to clients are currently being issues by Lobster rather than Cod. Packet captures with Wireshark show the following (all to broadcast address): Client - DHCP Discover Lobster - DHCP Offer (after 1s delay) Client - DHCP Request Lobster - DHCP Ack Client - DHCP Inform From my setup with two servers I'd expect to see a DHCP Offer coming from Cod almost immediately after the DHCP Discover. Does anybody have any idea what would prevent the DHCP Server responding to the discover?

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• Windows Server 2003 Terminal Server with installed licenses will not go beyond 2 connections

  - by Erwin Blonk

  I installed the Terminal Server role in Windows Server 2003 Standard 64-bits. Still, only 2 connections are allowed. The License Manager says that there are 10 Device CALs available, which is correct, and that none are given out. For good measure I let the server reboot, to no effect. Before this, there was another server (same Windows, except that it is 32 bits) active as a licensing server. I removed the role first and then then added it to the new server. I then removed the Terminal Server Licensing Server component off the old one and added it to the new one. After that, I added to licenses. When that didn't give the required result, I rebooted to new server. Still, the new server, with licenses and all, acts as if it has the 2 license RDP. The server are all stand-alone, there is no active directory been set up. Both servers are in different workgroups.

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• NIC Teaming HP Server running Win2003

  - by Colm

  Hello everyone. I'm new to server NIC TEaming. I have a HP ProLiant DL360 G4p running Win2003 with 2 NICs , only one is currently active. I'd like to activate the 2nd NIC connected (in a active/passive state) to a 2nd switch with only one IP address and ideally only one mac layer address. The 1st switch is a Cisco 2960G and the 2nd is a Cisco C3560G. There are VLANS, RSTP and PAGP in use already. Can someone give me an idea, in broad terms , of what technology/protocols I should be investigating (HSRP, SLB/TLB Teaming etc.) ? I can provide more info if needed. Thanks, Colm.

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• Ubuntu suddenly freezes

  - by tapan

  I've a strange problem with my ubuntu 10.04 installation. Whenever i boot into ubuntu the entire system freezes / hangs soon after (~ 2 mins in). This problem exists on my windows 7 installation too. However if i start World of Warcraft or Warcraft on windows it doesnt hang for the duration i'm playing the game. After i stop playing and exit the game my laptop hangs inside 2 mins. Here is when it gets weirder. If i disconnect the charger, the laptop doesn't hang. However when I start it in ubuntu recovery mode and drop to root shell and use the 'startx' command everything works perfectly. I cannot figure out what the problem is. i have an intel core2duo 2.2ghz processor, intel mobile 965 graphics, 2 GB RAM for more details here is the output of cat /proc/cpuinfo : processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 Duo CPU T7500 @ 2.20GHz stepping : 11 cpu MHz : 2201.000 cache size : 4096 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm ida tpr_shadow vnmi flexpriority bogomips : 4389.80 clflush size : 64 power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 Duo CPU T7500 @ 2.20GHz stepping : 11 cpu MHz : 2201.000 cache size : 4096 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm ida tpr_shadow vnmi flexpriority bogomips : 4388.96 clflush size : 64 power management: here is the output of cat /proc/meminfo MemTotal: 2052440 kB MemFree: 55924 kB Buffers: 579352 kB Cached: 821752 kB SwapCached: 704 kB Active: 897124 kB Inactive: 1032256 kB Active(anon): 412140 kB Inactive(anon): 264804 kB Active(file): 484984 kB Inactive(file): 767452 kB Unevictable: 0 kB Mlocked: 0 kB HighTotal: 1178440 kB HighFree: 6012 kB LowTotal: 874000 kB LowFree: 49912 kB SwapTotal: 995988 kB SwapFree: 986616 kB Dirty: 8928 kB Writeback: 0 kB AnonPages: 527596 kB Mapped: 76536 kB Slab: 39480 kB SReclaimable: 21100 kB SUnreclaim: 18380 kB PageTables: 5672 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 2022208 kB Committed_AS: 1856400 kB VmallocTotal: 122880 kB VmallocUsed: 11928 kB VmallocChunk: 104644 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 4096 kB DirectMap4k: 16376 kB DirectMap4M: 892928 kB Also the kern.log doesn't show any errors. What I want to know is what might be the problem, how i could test for it and if there are any solutions I could try. Thanks :).

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• Dual Exchange 2010 on different VM + single public IP + multiple domains

  - by Shivan Raptor

  Here is the scenario: I have 2 Exchange Server 2010 on 2 different Virtual Machines, created by and based on Hyper-V. They have IP and domain: 192.168.5.11, domainA.com ; and 192.168.5.12, domainB.com respectively. The problem is, I only have 1 public IP, say 123.123.1.1 . How do I configure the settings so that I can successfully receive emails using both Exchange servers? Given that I cannot use single Exchange server for multiple domains. -- UPDATE -- To clarify, the domainA.com and domainB.com mentioned above are website domains, instead of multiple Active Directory forests. Users of the two Exchange Server shares the same Active Directory. I know that ONE Exchange Server can handle multiple domains, but I would like to separate them into different Virtual Machines, for load balancing and data separation.

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