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• How to make an element slide with the viewport as it scrolls?

  - by alex

  I've Googled for this but must be using the wrong keywords. Basically I want to use the effect that Magento and now Stack Overflow uses. That is, there is an element in a column, and when you scroll down, it sticks to the top of the viewport. And once scrolled up again, it goes back into the normal page flow. This Ask A Question is a good page for example. Scroll down and watch the "How to Format" element come down (might need to make your viewport smaller if you have a large screen to see the effect). I've noticed it is setting position: fixed in the CSS. The JavaScript however is obfuscated. What's the easiest way to achieve this effect? Is there a jQuery plugin available?

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• How to use the sum the value of 2 totals in different table (Reporting Services)?

  - by dewacorp.alliances

  Hi there In report design, I have 2 tables (Current and Proposed) the structure like this: Current Parameter | Value | Rate | Total Value ... Proposed Parameter | Value | Rate | Total Value ... Each bottom of the table (Table Footer), I have something called: "Total: " which is a sum of Total field. I called these textboxes are txtbxCurrent and txtbxProposed and the format is in currency already. This thing is running well. But now I need to get a total of these txtbxCurrent and txtbxProposed. How do I do this? Can I take the value of this or not? BTW .. I am using Ms SQL Server 2005 (ReportViewer - client) Also here my dataset looks like: RecID | Type | Parameter | Value | Rate | Total 1, CURRENT, 'Param1', 100, 0.1, 10 1, CURRENT, 'Param2', 200, 0.2, 10 1, PROPOSED, 'Param1', 100, 0.2, 20 1, PROPOSED, 'Param2', 200, 0.2, 20 Thanks

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• Is there a method to retrieve the file name of a class?

  - by Dran Dane

  Hello Is there a method to retrieve the file name of a class? Specifically I would like to create a static method (CreateLink) in a base class (BasePage) to automatically return the path and filename of the page called. I code in .C# ASP.NET private const string TEMPLATE = "~/One.aspx"; public static HyperLink CreateLink() { HyperLink link = new HyperLink(); link.Text = "Click here"; link.NavigateUrl = String.Format(TEMPLATE); return link; } Is it possible to avoid the use of TEMPLATE hardcoded variable? Is it possible to retrieve the One.aspx path from file name and location?

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• How to distribute the chance to display each SWF evenly among banner collection?

  - by Michael Mao

  Hi all: I am working on The ausdcf.org to try adding several banner ads in swf format to the top. Everything starts to work, but I've got several questions that need your help: The client chose not to go with Google AdManager, but prefer a "minimal approach" to do this task. What I am trying to do is sort of "mimicking" the way Google AdManager does for banners, that is, to split the chance of each particular swf to be shown to the visitor evenly among the banner collection. Definitely I can add some jQuery code to do this from client-side, a random number generator and if-else statement would work - just $.load() it! However, what if I'd like to make sure those disabled Javascript (is there any now btw?) still be able to see different swfs in each visit. Any suggestion on how to approach this? Many thanks in advance.

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• Multiple WCF Services implementing same Service Contract interface

  - by andrewczwu

  Is it possible for multiple wcf services to implement the same service contract interface? What I want to do is allow for a test service to be interchangeable for the real service, and to specify which service to be used in the configuration file. For example: [ServiceContract] public interface IUselessService { [OperationContract] string GetData(int value); } Test implementation public class TestService : IUselessService { public string GetData(int value) { return "This is a test"; } } Real class public class RealService : IUselessService { public string GetData(int value) { return string.Format("You entered: {0}", value); } }

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• Downloading image from server without file extension (NSData to UIImage)

  - by Msencenb

  From my server I'm pulling down a url that is supposed to simply be a profile image. The relevant code for pulling down the image from the urls is this: NSString *urlString = [NSString stringWithFormat:@"%@%@",kBaseURL,profile_image_url]; profilePic = [UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:urlString]]]; My url is in the format (note no file extension on the end since its dynamically rendered) localhost:8000/people/1/profile_image If I load the url in my browser the image displays; however the code above for pulling down the UIImage does not work. I've verified that the code does pull an image from a random site on the interwebs. Any thoughts on why this is happening?

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• About the leading newline in Visual Studio solution files.

  - by mafutrct

  Sometimes, for unknown reasons, VS 2008 creates solution files led by a newline. Microsoft Visual Studio Solution File, Format Version 10.00 # Visual Studio 2008 [...] This happened on various machines, and I have no idea why this is. A Google search did not yield any useful results. Now, why do I worry about this? Because I can't open these solutions in Windows Explorer. I have to open VS, select File - Open - Solution and it works fine. But to open solutions from within Explorer, I have to edit the sln file and remove the leading newline. Edit: After Leom's suggestion I tested a few times and found that the issue is solely dependent on the leading newline.

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• PHP --> SQL Server + Excel file upload from a specific row

  - by lucky

  I have a requirement in which, i need to upload an excel file into SQL Server database. It is working well till this point. But sometimes i am getting excel file in such a way, that the first 2 rows and columns are empty rows. That is not even fixed every time. so the format of the table after upload is not as expected. It is assigning F1, F2 as column names for the table in SQL Server. It varies from file to file. I want to program it in such away so that the user can enter the row number and the column number from where the actual data is starting. So that while upload it should from line 3 and column 2. I don't know how to specify that row and column while uploading. Please help me to solve the same.

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• Getting number of days between [NSDate date] and string @"2010-11-12"

  - by grobald

  Hello i have a question. in short: i need a function which receives [NSDate date] and string @"2010-11-12" and returns the amount of days between those two dates. more explanation: I need to store a date from a server in the format @"2010-11-12" in my NSUserdefaults. The meaning of this date is the expireDate of a feature in an iPhone App. Everytime i press on a button for this feature i need to check if the difference in days between the current time-[NSDate date] and @"2010-11-12" is greater than 0. That means tahat the feature is disabled. its making me crazy mabey its to dead simple.

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• parse json news feed array android

  - by user1827260

  I have an json feed from bbc in this format { "name": "ticker", "entries": [ { "headline": "text", "prompt": "LATEST", "isBreaking": "false", "mediaType": "Standard", "url": "" }, { "headline": "text", "prompt": "LATEST", "isBreaking": "false", "mediaType": "Standard", "url": "" }, etc........... My code is as follows: ArrayList mylist = new ArrayList(); JSONObject json = JSONfunctions.getJSONfromURL("http:/......"); try{ JSONArray item = json.getJSONArray("entries"); for (int i = 0; i<item.length(); i++) { HashMap<String, String> map = new HashMap<String, String>(); JSONObject e = item.getJSONObject(i); JSONObject title = e.JSONObject("headline"); map.put("title", "Title:" + e.getString("headline"); } It gives me the error "java.lang.String cannot be converted to JSONObject" I also tried leaving out JSONObject title = e.JSONObject("headline"); and it gives me a path error (note

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• Assign RegEx submatches to variables or map (C++/C)

  - by Michael

  I need to extract the SAME type of information (e.g. First name, Last Name, Telephone, ...), from numerous different text sources (each with a different format & different order of the variables of interest). I want a function that does the extraction based on a regular expression and returns the result as DESCRIPTIVE variables. In other words, instead of returning each match result as submatch[0], submatch[1], submatch[2], ..., have it do EITHER of the following: 1.) return std::map so that the submatches can be accessed via: submatch["first_name"], submatch["last_name"], submatch["telephone"] 2.) return a variables with the submatches so that the submatches can be accessed via: submatch_first_name, submatch_last_name, submatch_telephone I can write a wrapper class around boost::regex to do #1, but I was hoping there would be a built-in or a more elegant way to do this in C++/Boost/STL/C.

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• creating a custom user interface in WPF

  - by CSharpInquisitor

  I have a SQL database holding a number of numeric and text values that get updated regularly. The exact number/type/names of these data points can change depending on the source of the database writes. I would like to create a user interface editor, where the user can add database points to the UI and arrange them and format them as they want. If a new point is added to the database they can right click on the UI and say "add this point" and choose from a list of database points. I'm looking for some pointers on where to start on creating this editor application, could something clever be done using XAML to dynamically create std WPF controls at runtime?

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• mysql phpmyadmin, how to save date of birth that was attained through a form with the input type "se

  - by newbie-25

  Hello, I have a form which asks the user his or her date of birth. Its a drop down box since I use the select input type. The first drop down has Months, second has Days, the third has the Years. So the format should be Month(October), Day(25), Year(1990). In other words the months spell out the actual month and not simply the number representation of the month. However, I would like to save the Day and Year in their respective formats. How can I do this in phpMyAdmin? Should I use the DATE type? what should the value be? I just need to know how to correlate all of this in phpmyadmin, so I can save it properly. Thank you.

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• What PHP function(s) can I use to perform operations on non-integer timestamps?

  - by stephenhay

  Disclaimer, I'm not a PHP programmer, so you might find this question trivial. That's why I'm asking you! I've got this kind of timestamp: 2010-05-10T22:00:00 (That's Y-m-d) I would like to subtract, say, 10 days (or months, whatever) from this, and have my result be in the same format, i.e. 2010-04-30T22:00:00. What function(s) do I need to do this in PHP? Note: I'm using this to do a computed field in Drupal. The result will be the date that an e-mail is sent. Bonus question: If 2010-05-10T22:00:00 means "May 10, 2010 at 10pm", is there a timestamp equivalent of "May 10, 2010 (all day)"? Thanks everyone.

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• Django model data consistency

  - by Mark

  When creating a form, you can define a bunch of methods, clean_xyz, to make sure the data gets forced into the correct format. Is there any way to do this on a model level? Perhaps I can override the field setters somehow? I want it so that if I write something like my_address.postal_code = 'a1b2c3' It will automatically get formatted into A1B 2C3. Perhaps throw an exception if it can't be converted. That way I know I'll never have any malformed data in the database.

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• compare date split across colums

  - by alex-tech

  Greetings. I am querying tables from Microsoft SQL 2008 which have date split across 3 columns: day, month and year. Unfortunately, I do not have control over this because data is coming in to the database daily from a 3rd party source in that format. I need to add between to a where clause so user can pull records within a range. Would be easy enough if date was in a single column but finding it nearly impossible when its split across three columns. To display the date, I am doing a CAST( CAST(year as varchar(4)) + '-' + CAST(month as varchar(2)) + '-' + CAST(day as varchar(2)) as date) AS "date"` in a select. I tried to put it as a parameter for datediff function or just the regular between but get no results. Thanks for any help.

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• read variables from file

  - by TonyVipros

  Hi, I'm trying to write a shell script to backup websites, I've got it to go through each directory in vhosts and create a new directory vhosts/{siteurl}/private/backups/ and gzip up the site into there. However, I also want it to read a file from private that will contain database name, user and password. So I can then use these to perform a mysqldump to private/backups/. The problem is that I've never written a shell script before so I've go no idea how to read variable data into my script, or how I should format the file to be read. Hope that's enough information.

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• Whats the best way to parse a file in Java

  - by chitresh

  Hi All, I have a text file with Tag - Value format data. I want to parse this file to form a Trie. What will be the best approach? Sample of File: (String inside "" is a tag and '#' is used to comment the line.) #Hi, this is a sample file. "abcd" = 12; "abcde" = 16; "http" = 32; "sip" = 21;

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• Redundant naming in C/C++ typedefs/structs

  - by bloomy

  #include <stdio.h> #include <string.h> const int NAMELEN=30; const int MAXCLASSSIZE=10; typedef struct StudentRec { char lastname[NAMELEN]; char firstname[NAMELEN]; long int ID; int finalmark; }Student; I'm new to coding..and I have a question about why there is Student; after the bracket.. is it a format that we have to follow.

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• Controller path for nested resource - undefined method `<controller>_path'

  - by owilde1900

  I'm having trouble displaying my form at /users/2/friends/new. I'm receiving undefined method `friends_path' for #<#<Class:0x21f0c14>:0x21ef364> Here is the beginning of the form <% form_for(@friend) do |f| %> And the friends controller def new @user = User.find(params[:user_id]) @friend = @user.friends.build end This is the route resources :users do resources :friends end And the relevant path from "rake routes" users/:user_id/friends/new(.:format) {:controller=>"friends", :action=>"new"} Any help or insight is greatly appreciated. This is my first rails 3 app.

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• What is the meaning of this pData[1+2*i]<<8|pData[2+2*i] C++ syntax?

  - by user543265

  what is the meqaning of pData[1+2*i]<<8|pData[2+2*i] where pData[ ] is the array containing BYTE data? I have the following function in the main function { .......... .... BYTE Receivebuff[2048]; .. ReceiveWavePacket(&Receivebuff[i], nNextStep); .... ... .. } Where Receivebuff is the array of type BYTE. ReceiveWavePacket(BYTE * pData, UINT nSize) { CString strTest; for(int i = 0 ; i < 60 ; i++) { strTest.Format("%d\n",(USHORT)(pData[1+2*i]<<8|pData[2+2*i])); m_edStatData.SetWindowTextA(strTest); } } I want to know the meaning of ",(USHORT)(pData[1+2*i]<<8|pData[2+2*i]). Can any body please help me?

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• partial string matching - R

  - by DonDyck

  I need to write a query in R to match partial string in column names. I am looking for something similar to LIKE operator in SQL. For e.g, if I know beginning, middle or end part of the string I would write the query in format: LIKE 'beginning%middle%' in SQL and it would return matching strings. In pmatch or grep it seems I can only specify 'beginning' , 'end' and not the order. Is there any similar function in R that I am looking for? For example, say I am looking in the vector: y<- c("I am looking for a dog", "looking for a new dog", "a dog", "I am just looking") Lets say I want to write a query which picks "looking for a new dog" and I know start of the string is "looking" and end of string is "dog". If I do a grep("dog",y) it will return 1,2,3. Is there any way I can specify beginning and end in grep?

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• mod_rewrite: no ? and # in REQUEST_URI

  - by tshabala

  Hello. What I'm trying to do: have pretty URLs in the format 'http://domain.tld/one/two/three', that get handled by a PHP script (index.php) by looking at the REQUEST_URI server variable. In my example, the REQUEST_URI would be '/one/two/three'. (Btw., is this a good idea in general?) I'm using Apache's mod_rewrite to achieve that. Here's the RewriteRule I use in my .htaccess: RewriteRule ^/?([a-zA-Z/]+)/?$ /index.php [NC,L] This works really well thus far; it forwards every REQUEST_URI that consists of a-z, A-Z or a '/' to /index.php, where it is processed. Only drawback: '?' (question marks) and '#' (hash keys) seem to still be allowed in the REQUEST_URI, maybe even more characters that I've yet to find. Is it possible to restrict those via my .htaccess and an adequate addition to the RewriteRule? Thanks!

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• process the data after using str.split

  - by juju

  I parse a .txt like this: def parse_file(src): for line in src.readlines(): if re.search('SecId', line): continue else: cols = line.split(',') Time = cols[4] output_file.write('{}\n'.format( Time)) I think cols are lists that I could use index. Although it succeeds in printing out correct result as I want, there exists an out of range error. What's the matter? File "./tdseq.py", line 37, in parse_file Time = cols[4] IndexError: list index out of range make: *** [all] Error 1 Data I use: I10.FE,--,2008-04-16,15:15:00,13450,13488,13450,13470,490,359,16APR2008:09:15:00 I10.FE,--,2008-04-16,15:16:00,13468,13473.8,13467,13467,306,521,16APR2008:09:16:00 ....

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• mysql querying age from dob

  - by Confused

  My MySQL database has date of birth stored in the format yyyy-mm-dd, how do I query the database - without using php code - to show me results of people born within x years of now, and/or, who are y years of age? The table is called users, the colum is called dob. I've spent a while viewing the MySQL manual but I can't work out precisely how to form my query. So far I went for select * from users where dob... but I don't think that's the way to go.

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