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• How can empty JavaScript function actually do something?

  - by OverTheRainbow

  Hello While trying to understand how a web server worked, I came accross this: //myfile.js function donothing(){}; //myfile.html javascript:donothing(open('http://www.acme.com/whatever.jpg','','left=100, right=0, top=100, scrollbars=no, status=no, titlebar=no, resizable=no, toolbar=no, menubar=no, width=255, height=255')) I'm no JavaScript expert, so I don't get how an empty function can be made to work. Does someone know? Thank you.

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• Test if Multiple EditTexts are empty

  - by Mohit Deshpande

  Say I have multiple EditTexts in an application. When I click a Button, I want to test what EditTexts are empty and what EditTexts have content. How would I do that? Could someone write the code for the Button click handler.

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• Android: Clicking an empty space in the ListView blackens existing items

  - by Rob

  Hello, My layout contains a ListView (the parent is a LinearLayout). I have defined a certain drawable to be the ListView's background. The screen looks like this: When I click/press the white empty space below the last row, I get this: Any idea how this happens? Couldn't catch any click event in this activity...

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• What the name of the row caret in a DataGridView

  - by Spike

  What is the official DataGridView nomenclature description of the little black triangle in the first column? Also, what it is for and which bit of the API can tell me where it is? It just seems to be set to the row of the last cell I changed the selected state of.

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• How to disable empty textboxes in a page using JQuery

  - by Sathish

  Hi, I have a page with many panels. each panel will have around 5 textboxes. I need to disable all the textboxes which are empty when the page is loaded. Want to acieve this using JQuery. Can somebody help me on this?

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• In R, How to add Row for Information:

  - by Moe

  Hi, I'm trying to add a Row to my data.frame to spit out the average of the column. This is my data frame: Weight Response 1 Control 59 0.0 2 Treatment 90 0.8 3 Treatment 47 0.1 4 Treamment 106 0.1 5 Control 85 0.7 6 Treatment 73 0.6 7 Control 61 0.2 I'd like it to become: Weight Response 1 Control 59 0.0 2 Treatment 90 0.8 3 Treatment 47 0.1 4 Treamment 106 0.1 5 Control 85 0.7 6 Treatment 73 0.6 7 Control 61 0.2 8 AVERAGES 74 0.3 Thanks!

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• ViewResult.ViewName property empty in unit test

  - by Michel

  Hi, in my unit test, the ViewResult.ViewName property is always empty when i use the action name for the view: return View(model); or return View(); Is that by design?

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• Adding A New Row Using SQL Server Management Studio

  - by Soo

  I'm learning how to use SQL Server Management Studio and can't figure out how to insert a new row into a table. Table Structure: ID, Field1, Field2 Query: INSERT INTO Table (Field1,Field2) VALUES(1,2) Error: Major Error 0x80040E14, Minor Error 25503 I'm probably missing something very noobie like. Any help would be appreciated.

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• SQL Join only returning 1 row.

  - by kevin

  Not quite sure what I'm missing, but my SQL statement is only returning one row. SELECT tl.*, (tl.topic_total_rating/tl.topic_rates) as topic_rating, COUNT(pl.post_id) - 1 as reply_count, MIN(pl.post_time) AS topic_time, MAX(pl.post_time) AS topic_bump FROM topic_list tl JOIN post_list pl ON tl.topic_id=pl.post_parent WHERE tl.topic_board_link = %i AND topic_hidden != 1 ORDER BY %s I have two tables (post_list and topic_list), and post_list's post_parent links to a topic_list's topic_id. Instead of returning all the topics (where their board's topic_board_link is n), it only returns one topic.

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• Get Row of DataGrid in User Control Page

  - by Romil

  My Question is related to access the rows in one page and putting conditions in another page. I need to check whether a datagrid has row in it or not. DataGrid is in .aspx page. Based on this checking i need to write a condition in .ascx page. the .ascx on which condition is checked is linked to .aspx page. Meaning that UserControl1.ascx is Register with Default.aspx page I am using VS 2003 Please advice Thanks

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• Calling to_xml on an Array of ROXML objects results in an empty collection

  - by findchris

  Hi there. I have a ROXML object that looks like: class Activity include ROXML xml_accessor :id end If I have an array of these objects and call .to_xml on the array, I receive an empty xml collection: "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<activities type=\"array\">\n</activities>\n" Any idea why or how to fix this? I'm running Rails 2.3.5 with the newest version of ROXML. Thanks

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• DataBaseGrid->Fields[2]->Value on Previous Row

  - by nCdy

  how to get DataBaseGrid-Fields[2]-Value on Previous Row ? for examole 1 2 3 1 2 4 1 2 5 my selected tow is 1 2 4 , and I want to get 3 :/ Maybe change selected index manually ?

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• JAXB treets empty int XML attribute as 0.

  - by kot

  JAXB treets empty int XML attribute as 0, which is fine with me, but I've got requirement to store it as a null. Seems I can't change DataConverterImpl class to custom implementation. What could be done if at all?

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• LINQ display row numbers

  - by timvaines

  I simply want to include a row number against the returned results of my query. I found the following post that describes what I am trying to achieve but gives me an exception http://vaultofthoughts.net/LINQRowNumberColumn.aspx "An expression tree may not contain an assignment operator" In MS SQL I would just use the ROWNUMBER() function, I'm simply looking for the equivalent in LINQ.

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• alert box empty for php javascript

  - by user295189

  why does this script show empty alert box. I am trying to use php value in javascript <script type="text/javascript"> alert(<?php echo count($myorder) ?>); </script> thanks

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• Need validation for removing empty line

  - by Boopathi

  Hi. I have used the tinymce editor in my form. And I have used an validation for checking whether the editor is empty or not. It works for the initial stage. Also, when I press enter and checks for validation the form got submits. When I checked the source code of the editor it contains the information as below: <p>&nbsb;</p> Please check it and help me to get me an answer for this.

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• Convert Nulls to Empty String in an object.

  - by John

  What is the easiest way to take an objects and convert any of its values from null to string.empty ? I was thinking about a routine that I can pass in any object, but I am not sure how to loop through all the values.

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• NULL in table fields better than empty fields?

  - by fayer

  i wonder if one should have NULL in the fields with no value, or should it be empty? what is best? thanks

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• UITableView crashes when adding 2 objects to an empty store, with sections (NSRangeException)

  - by likejy

  UITableView crashes in endUpdate, called by the Managed Object Context "save" method, when: 1- The Core-Data Store is empty 2- The Fetched Result Controller is configured to show sections 3- Two managed objects (or more) have been added to the store When I've searched this situation in google. I've found exactly matched error in this post. It looks like a bug.Is there a any solution to avoid this bug ?

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• how to update a specific field(column) of a row by that row's autoincrement value with some prefix

  - by I Like PHP

  i have below table it_id item_id item_name 1 ite_1 shirt 2 ite_10 pant 3 ite_11 socks 4 ite_12 shoes 5 ite_13 belt now i need to change item_id with with ite_(value of it_id of that row) means if it_id=x then item_id should be ite_x and so on... what will b sql query for that??

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• Is there a function for checking whether a matrix is diagonally dominant (row dominance)

  - by ldigas

  A matrix is diagonally dominant (by rows) if its value at the diagonal is greater then the sum of all absolute value in that row. Same goes for columns, only the other way around. Is there a function in matlab for chekcing this ? (I could write a simple loop, but I'm trying to quit those).

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• Empty row in grid view

  - by gau-sha

  Hi, How to add an empty row in the grid view at the top. thanks in adv.

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• Show custom objects in UITableView row name

  - by Mike Rychev

  I want to show my custom objects (images, formulas) in UITableView row name. Is it possible to do it?

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• highlight newly inserted row in grid view

  - by John

  I setup my gridview to handle the edit,delete, and insert operations correctly. My grid also supports paging and sorting. My question is how to highlight and go to the newly inserted row in my grid?

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• check for empty columns

  - by nimo

  How can I check if any column in a given table only have null or empty string values? Can I in some way extend this for every table in the database?

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