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  • how to add special class for labels and errors on zend form elements?

    - by user1400
    hello how we could add a special class for labels and errors for a zend-form-element for example html output code before add classes <dt id="username-label"><label for="username" class="required">user name:</label></dt> <dd id="username-element"> <input type="text" name="username" id="username" value="" class="input" /> <ul class="errors"><li>Value is required and can't be empty</li></ul></dd> and code after we add classes <dt id="username-label"><label for="username" **class="req-username"**>user name:</label></dt> <dd id="username-element"> <input type="text" name="username" id="username" value="" class="input" /> <ul **class="err-username"**><li>Value is required and can't be empty</li></ul></dd> thanks

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  • What is difference between Where and Join in linq ?

    - by Freshblood
    hello What is difference between of these 2 queries ? they are completely equal ? from order in myDB.OrdersSet from person in myDB.PersonSet from product in myDB.ProductSet where order.Persons_Id==person.Id && order.Products_Id==product.Id select new { order.Id, person.Name, person.SurName, product.Model,UrunAdi=product.Name }; and from order in myDB.OrdersSet join person in myDB.PersonSet on order.Persons_Id equals person.Id join product in myDB.ProductSet on order.Products_Id equals product.Id select new { order.Id, person.Name, person.SurName, product.Model,UrunAdi=product.Name };

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  • How to get the position of a record in a table (SQL Server)

    - by Peter Siegmann
    Following problem: I need to get the position of a record in the table. Let's say I have five record in the table: Name: john doe, ID: 1 Name: jane doe, ID: 2 Name: Frankie Boy, ID: 4 Name: Johnny, ID: 9 Now, "Frankie Boy" is in the third position in the table. But How to get this information from the SQL server? I could count IDs, but they are not reliable, Frankie has the ID 4, but is in the third position because the record with the ID '3' was deleted. Is there a way? I am aware of ROW_RANK but it would be costly, because I need to select basically the whole set first before I can rank row_rank them. I am using MS SQL Server 2008 R2.

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  • How to create 3 equally wide TextView which fill parent across the screen

    - by hap497
    HI, Can you please tell me how can I create 3 equally wide TextView which fill parent across the screen? I tried doing this, but the width of the TextView are different: it is 149, 89, 89. <TableLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:stretchColumns="*" android:shrinkColumns="*"> <TextView android:id="@+id/t1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_column="0"/> <TextView android:id="@+id/t2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_column="1"/> <TextView android:id="@+id/t3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_column="2"/>

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  • foreign key constraints on primary key columns - issues ?

    - by zzzeek
    What are the pros/cons from a performance/indexing/data management perspective of creating a one-to-one relationship between tables using the primary key on the child as foreign key, versus a pure surrogate primary key on the child? The first approach seems to reduce redundancy and nicely constrains the one-to-one implicitly, while the second approach seems to be favored by DBAs, even though it creates a second index: create table parent ( id integer primary key, data varchar(50) ) create table child ( id integer primary key references parent(id), data varchar(50) ) pure surrogate key: create table parent ( id integer primary key, data varchar(50) ) create table child ( id integer primary key, parent_id integer unique references parent(id), data varchar(50) ) the platforms of interest here are Postgresql, Microsoft SQL Server.

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  • jQuery show submit button on input field click

    - by Pjack
    Hi, I'm trying to have a comment input field that will show the submit button on a dynamically created form when you click on the input field. Similar to how facebook comments work. When you click on the input field the submit button appears and when you click off it disappears. All the comment input id's are comment_1 etc and the submit button id's are submit_1 etc. I've tried this, jQuery("#[id^='comment_']").live('click',function(event){ if(jQuery("#[id^='comment_']").val() == ""){ jQuery("#[id^='submit_']").hide(); } else { jQuery("#[id^='submit_']").show(); } }); And that won't work for some reason. Any suggestion or how it can be accomplished would be great.

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  • modalpopupextender.Show() wont fire

    - by Peter Lea
    I'm pretty new to developing for the web so bare with me. I have a company page with multiple locations and emails etc at each of these addresses. The idea is to have a single modalpopup to edit each type of data (one for email, one for urls, one for addresses etc). I link the modalpopupextender to a hiddenbutton and then call an edit function from various places where I can populate some hiddenfields and textboxes in the panel before showing it. The code executes but it just wont show the damn popup, I just see a flash and can't figure out if its my panel, my css or something I don't understand about ajax and postbacks etc. Things i've tried after reading various threads: Disable smart navigation in web.config Move ToolKitScriptManager up to master page and use proxy in content set hiddenbutton to use style="display:none" tried links etc instead of hidden button Heres my code CSS .modalBackground { position: absolute; z-index: 100; top: 0px; left: 0px; background-color: #000; filter: alpha(opacity=60); -moz-opacity: 0.6; opacity: 0.6; } .modalPopup { background-color: #FFD; border-width: 3px; border-style: solid; border-color: gray; padding: 3px;} Asp/html <ajaxToolkit:ModalPopupExtender runat="server" ID="mpe_email" BackgroundCssClass="modalBackground" PopupControlID="modal_email" CancelControlID="btn_cancel_email" TargetControlID="fake_btn_email" /> <asp:Button ID="fake_btn_email" runat="server" Text="email" style="display:none;" /> <asp:panel id="modal_email" runat="server" class="modalPopup" Width="500px" Height="500px"> <asp:HiddenField ID="hf_modal_email_location_id" runat="server" Value="" /> <asp:HiddenField ID="hf_modal_email_contact_id" runat="server" Value="" /> <asp:HiddenField ID="hf_modal_email_comms_id" runat="server" Value="" /> <table width="100%"> <tr> <td> <asp:Label ID="lbl_mpe_email_title" runat="server" Text="Edit Email Address" /> </td> </tr> <tr> <td> <table width="100%"> <tr> <td width="40px"><img src="../images/email.png" height="30px" width="30px"/></td> <td> <table width="100px"> <tr> <td><span>Quick Ref: <asp:TextBox ID="txb_mpe_email_qref" runat="server" Text="" /></span></td> </tr> <tr> <td><span>Email Address: <asp:TextBox ID="txb_mpe_email_address_full" runat="server" Text="" /></span></td> </tr> </table> </td> </tr> </table> </td> </tr> <tr> <td width="40px" align="left"><asp:Button ID="btn_cancel_email" runat="server" Text="Cancel"/></td> <td align="right"><asp:Button ID="btn_save_email" runat="server" Text="Save" OnCommand="save_modal_email" /></td> </tr> <tr> <td colspan="2" align="right"><asp:Label ID="lbl_mpe_email_err" runat="server" Text="" /></td> </tr> </table> c# public void oloc_ocon_email_edit(object sender, RepeaterCommandEventArgs e) { switch (e.CommandName) { case "edit": hf_modal_email_location_id.Value = ((HiddenField)e.Item.FindControl("hf_oloc_ocon_emails_location_id")).Value; hf_modal_email_contact_id.Value = ((HiddenField)e.Item.FindControl("hf_oloc_ocon_emails_contact_id")).Value; hf_modal_email_comms_id.Value = ((HiddenField)e.Item.FindControl("hf_oloc_ocon_emails_comms_id")).Value; lbl_mpe_email_title.Text = "Edit Email Address"; txb_mpe_email_qref.Text = ((HiddenField)e.Item.FindControl("hf_oloc_ocon_emails_qref")).Value; txb_mpe_email_address_full.Text = ((HiddenField)e.Item.FindControl("hf_oloc_ocon_emails_email_full")).Value; lbl_mpe_email_err.Text = ""; mpe_email.Show(); break; case "new": hf_modal_email_location_id.Value = ((HiddenField)e.Item.FindControl("hf_oloc_ocon_emails_location_id_p")).Value; hf_modal_email_contact_id.Value = ((HiddenField)e.Item.FindControl("hf_oloc_ocon_emails_contact_id_p")).Value; hf_modal_email_comms_id.Value = "0"; lbl_mpe_email_title.Text = "New Email Address"; txb_mpe_email_qref.Text = ""; txb_mpe_email_address_full.Text = ""; lbl_mpe_email_err.Text = ""; mpe_email.Show(); break; } } Stuff makes so much more sense in a desktop environment, I hope someone can point me in the right direction. Thanks

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  • document.getElementById in toString

    - by KooiInc
    edit Found my answers here. Bottom line: toString/valueOf can only return primitive types. So here the lack of native getters in javascript shows, I suppose. I would like to use the following simple function in an elementwrapper: function ElGetter(id){ var id = id; return { set: function(nwid){id = nwid;}, toString: function(){return document.getElementById(id);}, valueOf: function(){return document.getElementById(id);} }; } var myEl = ElGetter('myId'); console.log(myEl.innerHTML); //=> undefined But I can't get it to work. Is it a DOM/javascript restriction or am I missing something? Normally it works, as in: function Tester(){ var x = 1; return { toString: function(){return x}, valueOf: function(){return x} } } var myTest = Tester(); console.log(myTest); //=> 1

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  • What is the benefit of using int instead of bigint in this case?

    - by Yeti
    (MYSQL n00b) I have 3 tables: id = int(10), photo_id = bigint(20) PHOTO records limited to 3 million PHOTO: +-------+-----------------+ | id | photo_num | +-------+-----------------+ | 1 | 123456789123 | | 2 | 987654321987 | | 3 | 5432167894321 | +-------+-----------------+ COLOR: +-------+-----------------+---------+ | id | photo_num | color | +-------+-----------------+---------+ | 1 | 123456789123 | red | | 2 | 987654321987 | blue | | 3 | 5432167894321 | green | +-------+-----------------+---------+ SIZE: +-------+-----------------+---------+ | id | photo_num | size | +-------+-----------------+---------+ | 1 | 123456789123 | large | | 2 | 987654321987 | small | | 3 | 5432167894321 | medium | +-------+-----------------+---------+ Both COLOR and SIZE tables will have several million records. Q1: Is it better to change photo_num on COLOR and SIZE to int(10) and point it to PHOTO's id? Right now I use these: (PHOTO is no where in the picture) SELECT * from COLOR WHERE photo_num='xxx'; SELECT * from SIZE WHERE photo_num='xxx'; Q2: How will the SELECT query look if PHOTO id was used in COLOR, SIZE?

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  • Android: onListItemClick not getting called in ListActivity

    - by user521469
    I'm having problems with my first Android app. I have subclassed ListActivity, and I'm having no luck getting the overridden onListItemClick() to respond to click events. I've read focus can be a problem, but changing focus in the XML files does not seem to work. Here's the relevant bits of code. Anyone see what's I've buggered up? public class Notepadv1 extends ListActivity { private int mNoteNumber = 1; private NotesDbAdapter mDbHelper; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.notepad_list); mDbHelper = new NotesDbAdapter(this); mDbHelper.open(); fillData(); } private void fillData() { // Get all of the notes from the database and create the item list Cursor c = mDbHelper.fetchAllNotes(); startManagingCursor(c); String[] from = new String[] { NotesDbAdapter.KEY_TITLE }; int[] to = new int[] { R.id.text1 }; SimpleCursorAdapter notes = new SimpleCursorAdapter(this, R.layout.notes_row, c, from, to); setListAdapter(notes); } @Override public void onListItemClick (ListView l, View v, int position, long id){ super.onListItemClick(l, v, position, id); AlertDialog alert = new AlertDialog.Builder(this).create(); String message = "row clicked!"; alert.setMessage(message); alert.show(); } notepad_list.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content"> <ListView android:id="@android:id/list" android:layout_width="wrap_content" android:layout_height="wrap_content" android:dividerHeight="6dp"/> <TextView android:id="@android:id/empty" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/no_notes" /> </LinearLayout> And notes_row.xml <?xml version="1.0" encoding="utf-8"?> <TextView android:id="@+id/text1" xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="60dp" android:focusable="false"/>

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  • Jquery change text ajax request problem

    - by blasteralfred
    Hi, I have an html file as coded below. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <style> .style1 { background-color: #c3d9ff; font-family:arial,sans-serif; } .style2 { text-align: center; font-weight: bold; } .style3 { background-color: #FFFFFF; font-family:arial,sans-serif; text-align: center; font-weight: bold; } .style4 { background-color: #FFFFFF; font-family:arial,sans-serif; text-align: left; } body { font-family:Verdana, Arial, Helvetica, sans-serif; font-size:15px; background-color: ; } .action_button { font-weight:bold; float:right; } </style> <script type="text/javascript" src="jquery-1.4.4.min.js"></script> <script type="text/javascript">$(function() { $('.action_button').click(function() { var $button = $(this); $.ajax({ type: 'POST', url: 'action.php', data: 'id='+ $(this).attr('id'), cache: false, success: function(result) { var $row = $button.closest('tr'); var $col = $row.find('.clickme2'); $row.fadeOut('fast', function() { if (result == 'ACTIVATED') { $button.text('Activate'); $col.text('Active'); } else if (result == 'INACTIVATED') { $button.text('Inactivate'); $col.text('Inactive'); } }).fadeIn(); } }); return false; }); }); </script> </head> <body> <table style="width: 90%" align="center" class="style1"> <tr> <td colspan="7" class="style2">MANAGER</td> </tr> <tr> <td class="style3" style="width: 139px">Col1</td> <td class="style3" style="width: 139px">Col2</td> <td class="style3" style="width: 139px">Col3</td> <td class="style3" style="width: 139px">Col4</td> <td class="style3" style="width: 139px">Col5</td> <td class="style3" style="width: 200px">Col6</td> <td class="style3" style="">Action</td> </tr> </table> <td id="main" class="main"> <td class="update"> <table style="width: 90%" align="center" class="style1"> <tr> <td class="style4" style="width: 139px">DataA1</td> <td class="style4" style="width: 139px">DataA2</td> <td class="style4" style="width: 139px">DataA3</td> <td class="style4" style="width: 139px">DataA4</td> <td class="style4 clickme2" style="width: 139px">Inactive</td> <td class="style4" style="width: 200px">DataA6</td> <td> <button href="#" id="DataA1" class="action_button" style="width:80px;height:"> Activate</button> </td> </tr> <tr> <td class="style4" style="width: 139px">DataB1</td> <td class="style4" style="width: 139px">DataB2</td> <td class="style4" style="width: 139px">DataB3</td> <td class="style4" style="width: 139px">DataB4</td> <td class="style4 clickme2" style="width: 139px">Inactive</td> <td class="style4" style="width: 200px">DataB6</td> <td> <button href="#" id="DataB1" class="action_button" style="width:80px;height:"> Activate</button> </td> </tr> <tr> <td class="style4" style="width: 139px">DataC1</td> <td class="style4" style="width: 139px">DataC2</td> <td class="style4" style="width: 139px">DataC3</td> <td class="style4" style="width: 139px">DataC4</td> <td class="style4 clickme2" style="width: 139px">Active</td> <td class="style4" style="width: 200px">DataC6</td> <td> <button href="#" id="DataC1" class="action_button" style="width:80px;height:"> Inactivate</button> </td> </tr> <tr> <td class="style4" style="width: 139px">DataD1</td> <td class="style4" style="width: 139px">DataD2</td> <td class="style4" style="width: 139px">DataD3</td> <td class="style4" style="width: 139px">DataD4</td> <td class="style4 clickme2" style="width: 139px">Active</td> <td class="style4" style="width: 200px">DataD6</td> <td> <button href="#" id="DataD1" class="action_button" style="width:80px;height:"> Inactivate</button> </td> </tr> <tr> <td class="style4" style="width: 139px">DataE1</td> <td class="style4" style="width: 139px">DataE2</td> <td class="style4" style="width: 139px">DataE3</td> <td class="style4" style="width: 139px">DataE4</td> <td class="style4 clickme2" style="width: 139px">Inactive</td> <td class="style4" style="width: 200px">DataE6</td> <td> <button href="#" id="DataE1" class="action_button" style="width:80px;height:"> Activate</button> </td> </tr> </table> </td> </td> </body> </html> The fage contain a table with 5 rows with a button at the end of the row. On click, the button submits data to a php file and then changes text and blurs according to the response from php file. The blur function and change text function in col5 is working well. But the change text function in button got really buggy. The button text should change accordingly. the text of button "Activate" should change to "Inactivate" and the text of button "Inactivate" should change to "Activate" on click / successful submission.. This is not working.. Below is the php file code <?php $id = $_POST[id]; if($id=="DataA1"){ echo "ACTIVATED"; } if($id=="DataB1"){ echo "ACTIVATED"; } if($id=="DataE1"){ echo "ACTIVATED"; } if($id=="DataC1"){ echo "INACTIVATED"; } if($id=="DataD1"){ echo "INACTIVATED"; } ?> Thanks in advance.. :) blasteralfred

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  • Need help with REGEXP_REPLACE

    - by Randy
    hey regex guru's I have a data column that contains a substring similar to this: 'This is a string with ID=123 contained inside' i need to replace the ID=123 with another fixed string say ID=1 i have a working REPLACE call that swaps out the values correctly, but this only works on a known original id number. I can extend to make it work when the number of digits are known by using some substr magic, however, the id number may have an arbitrary number of digits, so i'm thinking regex. any help with the regex magix to grab the entire ID=999 substring no matter how many digits would be very helpful. thanks

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  • SQL Join query help

    - by lostInTransit
    Hi I have 2 tables A and B with the following columns Table A - id,bId,aName,aVal Table B - id,bName where A.bId is the same as B.id. I want a result set from a query to get A.id, A.aName, B.bName where A.bId=B.id OR A.id, A.aName, "" when A.bId=0. In both cases, only those records should be considered where A.aVal LIKE "aVal" Can someone please help me with the query? I can use left join but how do I get the blank string if bId=0 and B.bName otherwise? Thanks

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  • why jquery detach element will cause a form to submit?

    - by jiewmeng
    i wonder why in the following example, trying to detach an element (li) causes the form containing it to submit html <form id="frmToDo" name="frmToDo"> <p id="lineInput"> ... <input type="submit" id="btnSubmit" value="Add" /> </p> <ul id="todolist"> <!-- added in ajax --> </ul> </form> JS $("#frmToDo").submit(function() { // this runs after: $("#todolist").detach(...) }); $("#todolist").delegate("li[id^=task-] button", "click", function() { $("#todolist").detach($($(this).parent()).id()); return false; });

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  • jQuery inserting comment help

    - by StealthRT
    Hey all, i am trying to learn how to insert a comment within some html code without having to refresh the page. I know jQuery is capable of inserting a comment into a div area but i am having problems finding an example like that with fading in. Here is my comment code: <div id="CommentBox122" style="width:80%; padding:2px; margin-left:25px;"> <table width="650px" border="0" cellpadding="0" cellspacing="5" style="margin-left:20px; background-color: #F8F8F8; border-bottom:#CCC solid 1px;"><tr> <td width="10%" rowspan="2" align="center" class="Commentimage"><img src="img/avatar/gkrgimmkdhmggfh.jpg" height="60" /></td> <td width="90%" class="Commentposted">Posted by me on Saturday, May 01, 2010 @ 4:37: PM</td></tr> <tr><td class="Commentsaying">this is a test comment</td></tr> </table> <div id="stylized" class="myform" align="center"> <form id="CommentForm122" name="CommentForm122"> <div align="center" style="text-align:center; color:#F00; font-family:Arial, Helvetica, sans-serif; font-weight:bold;">Would you like to leave a comment, Robert?</div> <textarea name="txtComment" class="box" id="txtComment"></textarea> <input name="txtpostid" type="text" id="txtpostid" style="visibility:hidden; display:none; height:0px; width:0px;" value="Demo43639" /> <div class="buttons" align="center"> <button type="button" id="Button122" name="Button122" class="positive" onclick="doStuff();"><img name="Submit" src="img\buttonimgComment.png" alt="" />Post Comment</button> </div> </form> </div> </div> The code i need to insert again would be: <table width="650px" border="0" cellpadding="0" cellspacing="5" style="margin-left:20px; background-color: #F8F8F8; border-bottom:#CCC solid 1px;"><tr> <td width="10%" rowspan="2" align="center" class="Commentimage"><img src="img/avatar/gkrgimmkdhmggfh.jpg" height="60" /></td> <td width="90%" class="Commentposted">Posted by me on Saturday, May 01, 2010 @ 4:37: PM</td></tr> <tr><td class="Commentsaying">this is a test comment</td></tr> </table> But again, i am unable to find an example using jQuery to automatically insert that part of the code under the other "table /table" box.. So after its inserted by jQuery, the code should look like this: <div id="CommentBox122" style="width:80%; padding:2px; margin-left:25px;"> <table width="650px" border="0" cellpadding="0" cellspacing="5" style="margin-left:20px; background-color: #F8F8F8; border-bottom:#CCC solid 1px;"><tr> <td width="10%" rowspan="2" align="center" class="Commentimage"><img src="img/avatar/gkrgimmkdhmggfh.jpg" height="60" /></td> <td width="90%" class="Commentposted">Posted by me on Saturday, May 01, 2010 @ 4:37: PM</td></tr> <tr><td class="Commentsaying">this is a test comment</td></tr> </table> <table width="650px" border="0" cellpadding="0" cellspacing="5" style="margin-left:20px; background-color: #F8F8F8; border-bottom:#CCC solid 1px;"><tr> <td width="10%" rowspan="2" align="center" class="Commentimage"><img src="img/avatar/gkrgimmkdhmggfh.jpg" height="60" /></td> <td width="90%" class="Commentposted">Posted by me on Saturday, May 01, 2010 @ 4:37: PM</td></tr> <tr><td class="Commentsaying">this is a test comment</td></tr> </table> <div id="stylized" class="myform" align="center"> <form id="CommentForm122" name="CommentForm122"> <div align="center" style="text-align:center; color:#F00; font-family:Arial, Helvetica, sans-serif; font-weight:bold;">Would you like to leave a comment, Robert?</div> <textarea name="txtComment" class="box" id="txtComment"></textarea> <input name="txtpostid" type="text" id="txtpostid" style="visibility:hidden; display:none; height:0px; width:0px;" value="Demo43639" /> <div class="buttons" align="center"> <button type="button" id="Button122" name="Button122" class="positive" onclick="doStuff();"><img name="Submit" src="img\buttonimgComment.png" alt="" />Post Comment</button> </div> </form> </div> </div> As always, any help would be great! :o) David

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  • tricky SQL when joining

    - by Erik
    I've two tables, shows and objects. I want to print out the latest objects, and the shownames for them. Right now I'm doing it this way: SELECT MAX(objects.id) as max_id, shows.name, shows.id FROM shows, objects WHERE shows.id = objects.showId GROUP BY shows.name however, if I also want to fetch the episode of the object I can't put it like SELECT object.episode [...], because then wont automatically select the object which is MAX(objects.id), so my question is how to do that? If you haven't already figured out my tables they're like this: Shows id name and also: Objects id name episode season showId Using MySQL. Thanks!

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  • Android relative layout problem with gravity

    - by DixieFlatline
    How can i put textview with id="naslov" to the center? I also tried with layout_gravity="center" but that doesn't work either. <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TextView android:id="@+id/naslov" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="20dip" android:text="Povzetek" android:gravity="center"/> <TextView android:id="@+id/aha" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="10dip" android:text="Vseh oddaj:" android:layout_below="@id/naslov"/> </RelativeLayout>

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  • How to get count of another table in a left join

    - by Sinan
    I have multiple tables post id Name 1 post-name1 2 post-name2 user id username 1 user1 2 user2 post_user post_id user_id 1 1 2 1 post_comments post_id comment_id 1 1 1 2 1 3 I am using a query like this: SELECT post.id, post.title, user.id AS uid, username FROM `post` LEFT JOIN post_user ON post.id = post_user.post_id LEFT JOIN user ON user.id = post_user.user_id ORDER BY post_date DESC It works as intended. However I would like the get the number of comments for each post too. So how can i modify the this query so I can get the count of comments. Any ideas?

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  • lambda expression for a query on two tables that returns records from one table

    - by peetee
    I have two tables TableA (articles) int id int Type string name and TableB (compatibles) int linked_ID int tableA_ID TableA records: id=1, Type=0, name="ArticleA" id=2, Type=1, name="ArticleB" id=3, Type=2, name="ArticleC" id=4, Type=1, name="ArticleD" TableB records: linked_ID= 1, tableA_ID=2 linked_ID= 1, tableA_ID=3 linked_ID= 1, tableA_ID=4 TableB has a list of arcicels that are compatible to a certain article. I am quite new to queries (didn't need them in my projects yet). But as C# and WPF allow some pretty cool automation with Binding I would like to add a binding that returns the following: Give me all articles that are of Type 1 and compatible to my selected article (id=1). The simple part of it works well (articles has a list of all articles): private ObservableCollection<Article> _articles = new ObservableCollection<Article>(); [fill it with the available articles] and then: comboBoxArticles.ItemsSource = _articles.AsBindable().Where( c => c.Typ == 0 ); How can I extend the Where clause to query another table? Thanks a lot in advance.

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  • how to change color of text following function in javascript

    - by OVERTONE
    Ok before i make spaghetti of this code i thought id ask around here. ive made a quiz for an online site. The answers are stored in an array, and ive a function that checks the answers array to what youve clicked. then it counts them and gives you your score. but i want to change the clor of the right answer wen the user clicks the score button. so the correct answers are highlighted. something like this https://www.shutterpoint.com/Home-Quiz.cfm (just hit submit at the bottom, no need to do the quiz). the little answer icon at the side looks flashy but id rather just have the text change color. heres how my questions are formatted <p>Depth of field is controlled by :?</p> <p id = "question2"><input type="radio" name="question2" id="Answer1" value = "a" onClick ="recordAnswer(2,this.value)"/> The focal length of the lens. <br/> <input type="radio" name="question2" id="Answer2" value = "b" onClick = "recordAnswer(2,this.value)"/> The size of the aperture opening. <br/> <input type="radio" name="question2" id="Answer3" value = "c" onClick = "recordAnswer(2,this.value)"/> The distance between the camera and lens. <br/> <input type="radio" name="question2" id="Answer4" value = "d" onClick = "recordAnswer(2,this.value)"/> All of these. <br/></p> and these are the two functions that are called throughout. record answer is called every time the user clicks a button function recordAnswer(question,answer) { answers[question-1] = answer; } this is the final button which calculates the score function scoreQuiz() { var totalCorrect = 0; for(var count = 0; count<correctAnswers.length;count++) { if(answers[count]== correctAnswers[count]) totalCorrect++; } <!-- alert("You scored " + totalCorrect + " out of 12 correct!"); --> } another function is best i think. ive already made attemots at it and know i have to set the color using document.getElementById('question2').style.color = '#0000ff'; question2 being the p id i think if i take in the value part of (input type....) ill be able to compare it to the answers array. but im not quite sure how to do this. any helpers? maybe something like this document.getElementById("Answer1").style.color = '#0000ff'; using the id part of the (input type line) i think i got it actually. ill post my answer in a sec

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  • Question about joins and table with Millions of rows

    - by xRobot
    I have to create 2 tables: Magazine ( 10 millions of rows with these columns: id, title, genres, printing, price ) Author ( 180 millions of rows with these columns: id, name, magazine_id ) . Every author can write on ONLY ONE magazine and every magazine has more authors. So if I want to know all authors of Motors Magazine, I have to use this query: SELECT * FROM Author, Magazine WHERE ( Author.id = Magazine.id ) AND ( genres = 'Motors' ) The same applies to Printing and Price column. To avoid these joins with tables of millions of rows, I thought to use this tables: Magazine ( 10 millions of rows with this column: id, title, genres, printing, price ) Author ( 180 millions of rows with this column: id, name, magazine_id, genres, printing, price ) . and this query: SELECT * FROM Author WHERE genres = 'Motors' Is it a good approach ? I can use Postgresql or Mysql.

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  • sqlalchemy: what is the difference between declaring the cascade within the foreign key vs relation?

    - by steve
    what is the difference between declaring the cascade within a foreign key vs relations? class Contact(Base): __tablename__ = 'contacts' id = Column(Integer, primary_key=True) addresses = relation("Address", backref="contact") class Address(Base): __tablename__ = 'addresses' id = Column(Integer, primary_key=True) contact_id = Column(Integer, ForeignKey('contact.id', onupdate="CASCADE", ondelete="CASCADE"))) vs class Contact(Base): __tablename__ = 'contacts' id = Column(Integer, primary_key=True) addresses = relation("Address", backref="contact", cascade="all, delete-orphan") class Address(Base): __tablename__ = 'addresses' id = Column(Integer, primary_key=True) contact_id = Column(Integer, ForeignKey('contact.id')) with the foreign key declaration, it seems like the cascade is enforced at the database level. how does the relations approach work? thanks!

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  • How can you logically group HTML elements without taking the help of CSS classes ?

    - by Perpetualcoder
    I know that in jQuery you can use something like $(".cssClass") to get all elements with this class. However in plain html and javascript how do you group elements logically? For example: <input id="fee1" data-id="1" data-group="Fees" type="text" value="$15.00"/> <input id="fee2" data-id="2" data-group="Fees" type="text" value="$25.00"/> <input id="fee3" data-id="3" data-group="Fees" type="text" value="$35.00"/> I want to create a javascript function like this: function GetByDataGroup(dataGroup){ /* returns something like [[1,"$15.00"],[2,"$25.00"],[3,"$35.00"]]*/ } EDIT : Due to some political reasons I cant use jQuery or any framework..i know it doesnt make sense :)

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  • jQuery Validation Plugin: Packer undefined error?

    - by Rosarch
    I'm using the jQuery validation plugin from bassistance.de. It works fine. From <head>: <script type="text/javascript" src="/static/JQuery.js"></script> <script type="text/javascript" src="/static/js-lib/jquery.validate.pack.js"></script> <script type="text/javascript" src="/static/js-lib/jquery.validate.additional-methods.js"></script> At first, this was the only validation code I had, and it worked: $("form").validate(); $("#form-username").rules("add", { required: true, email: true, }); It was validating this HTML: <form id="form-username-form" action="api/user_of_email" method="get"> <p> <label for="form-username">Email:</label> <input type="text" name="email" id="form-username" /> <input type="submit" value="Submit" id="form-submit" /> </p> </form> Great, everything works. But then I add this JS: $("#form-choose-options input[type='text']").rules("add", { number: true, }); to validate this markup: <form id="form-choose-options" action="api/set_options" method="get"> <p> <label for="form-min-credits">Min credits per term:</label><input type="text" name="min_credits" id="form-min-credits" /> <br /> <label for="form-optimal-credits">Optimal credits per term:</label><input type="text" name="optimal_credits" id="form-optimal-credits" /> <br /> <label for="form-max-credits">Max credits per term:</label><input type="text" name="max_credits" id="form-max-credits" /> <br /> <label for="form-low-GPA">Lowest acceptable GPA:</label><input type="text" name="low_GPA" id="form-low-GPA" /> <br /> <label for="form-high-GPA">Highest realistic GPA:</label><input type="text" name="high_GPA" id="form-high-GPA" /> <br /> <input type="hidden" class="user-pk" name="pk"/> <input type="submit" value="Submit" /> </p> </form> This causes a javascript error on document load: $.data(f.form, "validator") is undefined The error is from the packer function. What am I doing wrong?

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  • Too Many Left Outer Joins in Entity Framework 4?

    - by Adam
    I have a product entity, which has 0 or 1 "BestSeller" entities. For some reason when I say: db.Products.OrderBy(p = p.BestSeller.rating).ToList(); the SQL I get has an "extra" outer join (below). And if I add on a second 0 or 1 relation ship, and order by both, then I get 4 outer joins. It seems like each such entity is producing 2 outer joins rather than one. LINQ to SQL behaves exactly as you'd expect, with no extra join. Has anyone else experienced this, or know how to fix it? SELECT [Extent1].[id] AS [id], [Extent1].[ProductName] AS [ProductName] FROM [dbo].[Products] AS [Extent1] LEFT OUTER JOIN [dbo].[BestSeller] AS [Extent2] ON [Extent1].[id] = [Extent2].[id] LEFT OUTER JOIN [dbo].[BestSeller] AS [Extent3] ON [Extent2].[id] = [Extent3].[id] ORDER BY [Extent3].[rating] ASC

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