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• wpf: How to keep an image stay in its original size?

  - by Martin Luo

  hi, guys! i have a problem about the image display in wpf. here's my code <Button HorizontalAlignment="Left" Grid.Column="1" Grid.Row="5" Margin="0,5"> <Button.Content> <StackPanel Orientation="Horizontal" Margin="10,0"> <Image Source="/images/user_add.png" Stretch="None" HorizontalAlignment="Center" VerticalAlignment="Center" Width="24" Height="24" /> <TextBlock Text="??" /> </StackPanel> </Button.Content> </Button> i hava the image with original size 32*32, but when i ran the above code, the image will stretch to fill all the space, beyond its original size, and i also set the "Stretch" property to "None", but it seems that it doesn't work. so, how can i fix this problem? thank u~~~!

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• Changing background color of inputfield of editable coloumn in primefaces datatable on value change

  - by Shikha

  I have an editable coloumn in dataTable. The code is: <p:column id="articleDescription" headerText="Article Description" filterBy="#{article.description}" filterMatchMode="startsWith"> <p:inputText id="description" value="#{article.description}"style="border:none; box-shadow:none;" /> </p:column> I want to change the background color of the inputText - description on the event - valueChange. How can I change that ? Also, the default background color of it should be the same as of its parent row? Is it possible? How can it be done? Thanks, Shikha

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• Basic class returns object reference instead of Array

  - by php-b-grader

  I have very basic class: class Customer { protected $id; protected $customer; public function __construct($customer_id) { $this->id = $customer_id; return $this->set_customer(); } protected function set_customer() { $query = mysql_query("SELECT * FROM customer WHERE id = '$this->id'"); $this->customer = mysql_fetch_row($query); return $this->customer; } } $customer = new Customer($order->customer->id); print_r($customer); This is not doing what I want it to but I understand why... $customer returns a reference to the Customer Object... What I want is the MySQL row array from the mysql_fetch_row() - How do I return the array? What am I missing?

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• Scrolling through list element causes text elements to scroll as well

  - by DMK

  I'm using a list element with variableRowHeight and word-wrap set to true like in the example below: http://blog.flexexamples.com/2007/10/27/creating-multi-line-list-rows-with-variable-row-heights/ When I scroll through the list with a mouse scrollwheel the text in the listItems also scroll. I know that this is to do with the height of the textField... but I am unsure how to best resolve this issue. Any thoughts are appreciated! The issue that I am experiencing also occurs in the example above.

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• SELECT only a certain set of rows at a time

  - by prmatta

  I need to select data from one table and insert it into another table. Currently the SQL looks something like this: INSERT INTO A (x, y, z) SELECT x, y, z FROM B b WHERE ... However, the SELECT is huge, resulting in over 2 millions rows and we think it is taking up too much memory. Informix, the db in this case, runs out of virtual memory when the query is run. How would I go about selecting and inserting a set of rows (say 2000)? Given that I don't think there are any row ids etc.

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• Codeigniter Model appending word_limiter to result object

  - by yahyaE

  I have a get_all function in my model class in Codeigniter 2.0+. For a given database field name, i need to use word_limiter() in text helper. In view page, i loop result set as object $row->field_name_to_be_limited. With below code, i am trying to do it. But i should include the change $q->$field_name = word_limiter($q->$field_name, 4); into the $q->result. Thanks for help. function get_all($table_name,$orderByField,$ascDesc,$field_name = '') { $this->load->helper('text'); $qOrder = $this->db->order_by($orderByField,$ascDesc); $q = $this->db->get($table_name,$qOrder); if( ! $field_name ==='') $q->$field_name = word_limiter($q->$field_name, 4); return $q->result(); }

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• Find all those columns which have only null values, in a MySQL table

  - by Robin v. G.

  The situation is as follows: I have a substantial number of tables, with each a substantial number of columns. I need to deal with this old and to-be-deprecated database for a new system, and I'm looking for a way to eliminate all columns that have - apparently - never been in use. I wanna do this by filtering out all columns that have a value on any given row, leaving me with a set of columns where the value is NULL in all rows. Of course I could manually sort every column descending, but that'd take too long as I'm dealing with loads of tables and columns. I estimate it to be 400 tables with up to 50 (!) columns per table. Is there any way I can get this information from the information_schema? EDIT: Here's an example: column_a column_b column_c column_d NULL NULL NULL 1 NULL 1 NULL 1 NULL 1 NULL NULL NULL NULL NULL NULL The output should be 'column_a' and 'column_c', for being the only columns without any filled in values.

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• Getting Top (starting no , Ending no) rows from sqlserver

  - by Krishna Thota

  I'm using Grid view in my asp.net page and I'm fetching data from SQL Server and placing in my grid view. Now my problem is, I'm using paging and placing 50 rows per page in Grid view. I would like to fetch top 50 rows from database in the start up and bind to the Grid View and when i click on next page, then again go to the database and fetch Second Top 50 rows and bind to GV. and this process hasto continue until last row is fetched from Database. Can you tell me How to write Query in achieving this??

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• Adding a method to a function object at runtime

  - by Carson Myers

  I read a question earlier asking if there was a times method in Python, that would allow a function to be called n times in a row. Everyone suggested for _ in range(n): foo() but I wanted to try and code a different solution using a function decorator. Here's what I have: def times(self, n, *args, **kwargs): for _ in range(n): self.__call__(*args, **kwargs) import new def repeatable(func): func.times = new.instancemethod(times, func, func.__class__) @repeatable def threeArgs(one, two, three): print one, two, three threeArgs.times(7, "one", two="rawr", three="foo") When I run the program, I get the following exception: Traceback (most recent call last): File "", line 244, in run_nodebug File "C:\py\repeatable.py", line 24, in threeArgs.times(7, "one", two="rawr", three="foo") AttributeError: 'NoneType' object has no attribute 'times' So I suppose the decorator didn't work? How can I fix this?

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• PHP: Simulate multiple MySQL connections to same database

  - by Varun

  An insert query is constantly getting logged in my MySQL slow query log. I want to see how much time the INSERT query is taking with 100 simultaneous insert operations(to the same table). So I need to simulate the follwoing. 500 different simultaneous connections from PHP to the same database on a mysql server, all of which are inserting a row(simultaneously) to the same table. DO I need to use any load testing tool? Or Can I simply write a PHP script to do this? Any thoughts?

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• MySQL LEFT JOIN, GROUP BY and ORDER BY not working as required

  - by Simon

  I have a table 'products' => ('product_id', 'name', 'description') and a table 'product_price' => ('product_price_id', 'product_id', 'price', 'date_updated') I want to perform a query something like SELECT `p`.*, `pp`.`price` FROM `products` `p` LEFT JOIN `product_price` `pp` ON `pp`.`product_id` = `p`.`product_id` GROUP BY `p`.`product_id` ORDER BY `pp`.`date_updated` DESC As you can probably guess the price changes often and I need to pull out the latest one. The trouble is I cannot work out how to order the LEFT JOINed table. I tried using some of the GROUP BY functions like MAX() but that would only pull out the column not the row. Thanks.

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• get the list and input from one function and run them in different function

  - by rookie

  i have a programm that generate the list and then i ask them to tell me what they want to do from the menu and this is where my problem start i was able to get the input form the user to different function but when i try to use the if else condition it doesn't check, below are my code def menu(x,l): print (x) if x == 1: return make_table(l) if x == 2: y= input("enter a row (as a number) or a column (as an uppercase letter") if y in [ "1",'2','3']: print("Minmum is:",minimum(y,l)) if x== 3: print ('bye') def main(): bad_filename = True l =[] while bad_filename == True: try: filename = input("Enter the filename: ") fp = open(filename, "r") for f_line in fp: f_str=f_line.strip() f_str=f_str.split(',') for unit_str in f_str: unit=float(unit_str) l.append(unit) bad_filename = False except IOError: print("Error: The file was not found: ", filename) #print(l) condition=True while condition==True: print('1- open\n','2- maximum') x=input("Enter the choice") menu(x,l) main() from the bottom function i can get list and i can get the user input and i can get the data and move it in second function but it wont work after that.thank you

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• Store the day of the week and time

  - by bsiddiqui

  I have a two part question about storing day(s) of the week and time in a database. I'm using Rails 4.0, ruby 2.0.0, and postgres. I have certain events and those events have a schedule. For the event Skydiving for example, for example, I might have Tuesday and Wednesday and 3 pm. 1) Is there a way for me to store the the record for Tuesday and Wednesday in one row or do should I have two records? 2) What is the best way to store the day and time? Is there a way to store day of week and time (not datetime) or should these be separate columns? If they should be separate, how would you store day of week? I was thinking of storing them as integer values (0 for Sunday, 1 for Monday, etc) since that's how wday method for the Time class does it. Any suggestions would be super helpful. Thanks!

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• Paging and edit category status

  - by jasmine

  For edit home status of category I have a link: <span class=\"ha\" title=\"Active in Homepage\">Active in Homepage</span><a href=\"?page=homestatus&id={$row['id']}\" class=\"hp\" title=\"\">Passive in home page</a> and function: function homestatus() { $ID = mysql_real_escape_string($_GET['id']); $query = "UPDATE category SET home = 0 WHERE id= $ID "; $result = mysql_query($query); if (mysql_affected_rows () == 1) { header('Location: index.php?page=categories'); } } Everything works fine but there is paging : /index.php?page=categories&pg=2 I want that an item located in pg=2, redirected to index.php?page=categories&pg=2 How can I do this? Thanks in advance

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• Add multiple Styles to Silverlight Control

  - by lidermin

  Hello, I'm using silverlight and I defined two styles for the page: ExpanderBottomRightButtonStyle ExpanderScaleStyle Now I want to add those two styles to the same control: <controls:Expander x:Name="expBRButton" Grid.Row="1" Grid.Column="2" Margin="5" Style="{StaticResource ExpanderBottomRightButtonStyle}"> <controls:Expander.Content> <Button Content="&lt;Button&gt;"></Button> </controls:Expander.Content> </controls:Expander> I don't want to join the two styles in one, cause I need them separately too. I thought something like: Style="{StaticResource ExpanderBottomRightButtonStyle ExpanderScaleStyle}" But it's not possible. How should I do this? I'm new on Silverlight 3. Thanks in advance.

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• Inability to detect the Output from inside a SSIS script component

  - by Danaja

  In the script of the script components the Output buffer is not being detected as an existing component. I am trying to use the following piece of code Output0Buffer.AddRow(); within the public override void Input0_ProcessInputRow(Input0Buffer Row) method. I know it should be available within this method because at the moment I am copying and using a component from a previous project that has this code and it works. but when I create a new component and put the same code in it doesn't Can any one explain why this is happening?

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• jquery autosuggest not firing (webform)

  - by Abu Hamzah

  is that something wrong in the below code? its not firing at all $(document).ready(function() { $("#<%=txtHost.ClientID%>").autocomplete("HostService.asmx/GetHosts",{ dataType: 'json' ,contentType: "application/json; charset=utf-8" ,parse: function(data){ var rows = Array(); debugger for(var i = 0; i<data.length; i++){ rows[i] = {data:data[i], value:data[i].LName, result:data[i].LName}; } return rows; } ,formatItem: function(row, i, max){ return data.LName + ", " + data.FName; } }); }); <script src="Scripts/jquery.autocomplete.js" type="text/javascript"></script> <asp:TextBox ID="txtHost" runat='server'></asp:TextBox>

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• How to display a date time in 16 Nov 2011 15:12 format

  - by Mark

  I have a grid view column in which I give the datefomat as dd MMM yyyy HH:mm and in code behind databound I change the time, the same time in database is not shown in the gridview, because of that the date is not displayed in 16 Nov 2011 15:12 format, it is displayed in 16/11/2011 15:12 format, how can i display it in 16 Nov 2011 15:12 format asp <asp:BoundField DataField="SendDate" ItemStyle-Width="15%" HeaderText="Sent At" DataFormatString="{0:dd MMM yyyy HH:mm}" SortExpression="SendDate" /> c# double timeDifference = Convert.ToDouble(Session["utimezone"].ToString()); e.Row.Cells[5].Text = Convert.ToString(senddate.AddMinutes(timeDifference * 60));

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• jquery-plugin Masonry: I cannot make it work

  - by Patrick

  hi, I'm using Masonry library (http://desandro.com/resources/jquery-masonry/) to create columns from my content. I cannot make it work.. this is the url with the html code: http://donatellabernardi.ch/drupal/ And this is my javascript line: $('#content-area').masonry({ columnWidth: 50, itemSelector:'.views-row'}); The Masonry function is invoked, but it doesn't add any column... I've also tried: $('#content-area').masonry({ columnWidth: 50, itemSelector:'.node'}); $('#content-area').masonry({ columnWidth: 50 }); $('div.view-content').masonry({ columnWidth: 50 }); What am I doing wrong ? Thanks

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• How can I count existing and non-existing values with MySQL?

  - by jaya malladi

  I am new to MySQL. I have a table with answer ids. Answers can look like this:a1, a2, a3 ..., but due to some problems some are NULL, some are blank, and some are others like 1 a etc. Now I want to calculate the count of ids with a1 a2 a3 distinctly. But how is it possible to do this leaving others like NULL, blanks and garbage. The output should look like this atype count a1 45 a2 0 a3 56 If there is no row entry for a particular answer, the count should be 0.

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• an error "variable of field declared void"

  - by lego69

  I have this code: header - test.h Inside header I have some class Z and definitions of two functions test and test2 I call function test2 from test void test2(Z z, Z const *za); this is implementation of the function: void test2(Z z, Z const *za){ int i = z; //this row works cout << i << endl; } I call it from test: test2(z1, za1); // za1 is pinter to object and z1 is some object but in my header I receive an 3 errors: Multiple markers at this line - initializer expression list treated as compound expression - `A' was not declared in this scope - variable or field `quiz2' declared void can somebody please explain why? thanks in advance

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• UITableViewCell height with 0 rows

  - by Typeoneerror

  I've got a moderately uncustomized UITableView in my application that presents an array of up to 6 peers for a networking game. When no peers are found the numberOfRowsInSection is 0, so when it loads up, there's no rows in the table: - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return 0; } Trouble is, the height of each cell is not adjusted to match heightForRowAtIndexPath unless the numberOfRowsInSection is 0. I hard-coded in "1" for this and the height is adjusted. - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { return kTableRowHeight; } Can anyone tell me why this is? Will once the data that is being presented is longer than "0" length, will the height of the table cells jump to the correct height? I'd like them to be the correct height even if the row length is 0.

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• Method parameters have incorrect values when using RowTest in VB.Net

  - by simon_bellis

  Hello, I have the following test method (VB.NET) <RowTest()> _ <Row(1, 2, 3)> _ Public Sub AddMultipleNumbers(ByVal number1 As Integer, ByVal number2 As Integer, ByVal result As Integer) Dim dvbc As VbClass = New VbClass() Dim actual As Integer = dvbc.Add(number1, number2) Assert.That(actual, [Is].SameAs(result)) End Sub My problem is that when the test runs, using TestDriven.Net, the three method parameters are 0 and not the values I am expecting. I have referenced the NUnit.Framework (v.2.5.3.9345) anf the NUnitExtension.RowTest (v.1.2.3.0).

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• How to calculate textarea cols with 100% width?

  - by sehwoo

  I set the width of a textarea to 100%, but now I need to know how many characters can fit in one row. I'm trying to write a javascript function to auto-grow/shrink a textarea. I'm trying to keep from using jquery since I just need this one function. My logic is to rows = textarea.value.split('\n'), iterate through rows and count += rows[i].length/textarea.cols, then count += rows.length, and finally textarea.rows = count. The only problem is that count is too large because textarea.cols is too small.

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• Update Empty XML Tag in SQL Server

  - by monO

  I'm trying to update an empty XML Tag in my Xml string on sql server; it says the row is updated when i run the following script, but when I view the XML; nothing has changed: Declare @newValue varchar(100) select @newValue = '01' update dbo.UploadReport set XmlTest.insert('replace value of (/CodeFiveReport/Owner/AgencyID/text())[1] with sql:variable("@newValue")') where id = 'myId' The xml after still appears as this in the databse <AgencyID /> What am I doing wrong? I've tried @AgencyID without the text() at the end and still no avail...

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