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• How to handle added input data colums without having to maintain multiple versions of SSIS packages?

  - by GLFelger

  I’m writing to solicit ideas for a solution to an upcoming problem. The product that provides data to our ETL process currently has multiple versions. Our clients are all using some version of the product, but not all use the same version and they will not all be upgraded at the same time. As new versions of the product are rolled out, the most common change is to add new data columns. Columns being dropped or renamed may happen occasionally, but our main focus right now is how to handle new columns being added. The problem that we want to address is how to handle the data for clients who use an older version of the product. If we don’t account for the new columns in our SSIS packages, then the data in those columns for clients using an older product version will not be processed. What we want to avoid is having to maintain a separate version of the SSIS packages for each version of the product. Has anyone successfully implemented a solution for this situation?

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• Best place/area to store file for Trail period

  - by hotveryspicy

  I need to have a trial period (7 days) in my application. From this I came to know that you can do that by keeping permanent file, database or shared preference. Where do I keep that file so that the user isn't able to see/delete it. If I put that logic in Sharedpreference or a file with a path "data/data/packagename", when the application is uninstalled then all history will be lost. Any other workaround/ideas? Note: there is no server, application works locally with no Internet.

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• TimePicker Android and a Database

  - by user1820528

  I have a database with a table which contains a start time and an end time. The user has to select both through the Android app, and then I have to retrieve the two times into my database. For now, I have 2 TimePicker in my xml file, and I have 2 TimePicker in my java file TimePicker start_time = (TimePicker) findViewById(R.id.timePickerStart); Can someone help me know how I should retrieve the times, and use them in java (add a listener, etc.). And also, should I use TimeStamp or Date in the database ? My purpose is to send a notification (Toast?) to the user at those times. So should I retrieve the hour and the minute separately ? I'm sorry for asking so many questions, but I'm really lost here :( Thank you!

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• How can I find out how much memory an instance of a C++ class consumes?

  - by Shadow

  Hi, I am developing a Graph-class, based on boost-graph-library. A Graph-object contains a boost-graph, so to say an adjacency_list, and a map. When monitoring the total memory usage of my program, it consumes quite a lot (checked with pmap). Now, I would like to know, how much of the memory is exactly consumed by a filled object of this Graph-class? With filled I mean when the adjacency_list is full of vertices and edges. I found out, that using sizeof() doesn't bring me far. Using valgrind is also not an alternative as there is quite some memory allocation done previously and this makes the usage of valgrind impractical for this purpose. I'm also not interested in what other parts of the program cost in memory, I want to focus on one single object. Thank you.

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• Giving users a "reputation system" - Should I... ?

  - by RadiantHex

  Hi folks, I'm thinking of adding a reputation system to a web application, the site is already being used so I'm trying to be careful about my choices. I'm developing in Django/Python, thought this would be important. Reputation is generated in all actions that contribute to the site, similar to Stackoverflow's system. I know there are literally millions of ways of implementing this, and this is why I feel quite lost. Two alternatives I am not sure about are: Keep track of reasons why reputation was incremented Ignore reasons in order to reduce complexity of the site and overhead Would be happy with a few pointers, and directions. Would be very much appreciated!

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• Functioning of Intent.action_pick_activity??

  - by chris

  Hello everybody!! Here is I would like to set up in my application, the function of sharing (facebook, twitter, e-mail) as that of YouTube for example but I get lost little. By looking I saw that apparently it would be necessary to use Intent.action_pick_activity but I do not manage to see how using it on my case. What is that somebody has already implemented this kind of thing? Either what is what somebody knows where I can find examples?? Thanks to all!

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• Printing contents of a dynamically created iframe from parent window

  - by certainlyakey

  I have a page with a list of links and a div which serves as a placeholder for the pages the links lead to. Everytime user clicks on a link an iframe is created in the div and its src attribute gets the value of the link href attribute - simple and clear, sort of external web pages gallery. What i do have a problem with is printing the contents of the iframe. To do this i use this code: function PrintIframe() { frames["name"].focus(); frames["name"].print(); } The issue seems to be that iframe is created dynamically by JQuery - when I insert an iframe right into the html code, the browser prints the external page all right. But with the same code injected by JavaScript nothing happens. I tried to use JQ 1.3 'live' event on "Print" link, no success. Is there a way to overcome this?

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• Web GUI frameworks for Phone development

  - by Runner

  I looked already and could't find anyting good. So a question is, are there any good web frameworks that would allow to easily develop GUI for the majority of high end phones? By this I mean It would have to work the same on majority of high end phones (forget the low cost ones) It would have to simplify the development and hide the ugly details from developer Clear design and good documentation. Also some stability on the market. The focus in on good looking and easy to make GUI. Javascript is only a plus. So basically I am looking for something like jQuery or maybe ExtJS for phone development. EDIT: It would be a big plus if it could be consumed in Delphi EDIT 2: If it was not clear, I am looking for a web base solution. So the target is HTML output and not native code.

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• using a tileset with canvas

  - by Anonymous

  Yeah so I'm lost from the get-go. Alright let's say I have a big image with every tile for a 2D top-down RPG game. They're all the same width and everything. What I don't know is how would I save every individual tile from that image to their own image data for use on the canvas? Basically I want to take a big image with all my tiles, choose squares throughout it to make images out of the tiles, and store each image as a variable in an array. So, how would I do this?

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• Why is order important in moving from tab to tab programmatically (and new in 1.8.10

  - by Bruce

  Hi folks, Up until I updated to jquery-ui-1.8.10 (already using jQuery 1.5), the following code has worked as expected: case 'baseeditor': $('#tab1').html(responseText).fadeIn(500, function() { ... load the contents of the tab and stuff... }); $("#prolearn").tabs("select",1); break; case ... The tab is fueled and then focus is moved from tab0 (from where the ajax call is initiated) to tab1. Now, that code won't work, but this version does: case 'baseeditor': $("#prolearn").tabs("select",1); $('#tab1').html(responseText).fadeIn(500, function() { ... load the contents of the tab and stuff... }); break; case ... Can someone explain the difference - have I just been lucky getting away with my original version? Thanks/Bruce

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• Best practice for avoiding locks on a heavily read table?

  - by Luiggi

  Hi, I have a big database (~4GB), with 2 large tables (~3M records) having ~180K SELECTs/hour, ~2k UPDATEs/hour and ~1k INSERTs+DELETEs/hour. What would be the best practice to guarantee no locks for the reading tasks while inserting/updating/deleting? I was thinking about using a NOLOCK hint, but there is so much discussed about this (is good, is bad, it depends) that I'm a bit lost. I must say I've tried this in a dev environment and I didn't find any problems, but I don't want to put it on production until I get some feedback... Thank you! Luiggi

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• check compiler with break point

  - by KareemSaad

  When I tried to focus on compiler in code i made break point on code if (!IsPostBack) { using (SqlConnection Con = Connection.GetConnection()) { if (Request.QueryString["Category_Id"] != null && DDlProductFamily.SelectedIndex < 0) { SqlCommand Com = new SqlCommand("SelectAllCtageories_Front", Con); Com.CommandType = CommandType.StoredProcedure; Com.Parameters.Add(Parameter.NewInt("@Category_Id", Request.QueryString["Category_Id"])); SqlDataAdapter DA = new SqlDataAdapter(Com); DA.Fill(dt); DataList1.DataSource = dt; DataList1.DataBind(); } but I cannot check condition although I had the value of query string List item

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• How can you prevent a window being captured by Print-Screen?

  - by John

  I noticed a few times than when I print-screen while Media Player is running, the content is replaced with a grey rectangle. I've no idea if it's deliberate due to DRM, or some technical issue, but it struck me that being able to deliberately block screen-capture might be a useful feature in some scenarios. Is there some specific message each HWND gets for print-screen - does Windows do a special repaint or simply dump buffers to the clipboard? I guess I'd prefer to focus this on Win32 specifically, but as long as it's Windows-related then fine.

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• Java Authenticator on a per connection basis?

  - by Martijn Laarman

  I'm building an Eclipse plugin that talks to a REST interface which uses Basic Authentication. When the authentication fails I would like to popup my plugin's settings dialog and retry. Normally I could use the static Authenticator.setDefault() to setup an authenticator for all HttpURLConnection's for this, but since I am writing a plugin I don't want to overwrite Eclipse's default Authenticator (org.eclipse.ui.internal.net.auth); I thought of setting my custom Authenticator before loading and putting Eclipse's default back afterwards, but I imagine this will cause all sorts of race issues with multithreading so I quickly lost that notion. Google searches yield all sorts of results basically telling me it's not possible: The Java URLConnection API should have a setAuthenticator(Authenticator) method for making it easier to use this class in multi-threaded context where authentication is required. Source If applications contains few third party plugins and each plugin use its own Authenticator what we should do? Each invocation of "Authenticator.setDefault()" method rewrite previously defined Authenticator... Source Are there any different approaches that might help me overcome this issue?

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• How to programmatically switch to a specific window in compiz?

  - by FossilBit

  Is there a command to tell compiz that we want to bring in front and set focus to a specific window? How should we identify the window in that command? The reason behind this question is the following use-case: Suppose we have a wiki to keep notes of anything interesting we find out. It would be very convenient to have a keyboard shortcut to bring the browser window with our Wiki page in front and start typing immediately then with another key combination switch to the application we were working before I know that "ALT+TAB" switches between the last two used windows but cannot support more complex combinations of applications. E.g Browser+Eclipse+ Wiki If there is a command like the one described, it is easy to add a shortcut to it from KDE or GNOME interface Thanx ...

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• How do I get this php statement that gets all the values from database and outputs as checkboxes to

  - by ggfan

  I am a bit lost in all these "" and '' and . in this statement. Basically this query is to get all the tagname from table "tag" and display them for the users as checkboxes. If they have clicked 'submit' and they missed another field(say the title of a post), it would still have the tag they chose displayed. The part I need help with is the echoing part. It doesn't seem to remember the tag when they click submit. $query4 = "SELECT * FROM tags ORDER BY tagname"; $data4 = mysqli_query($dbc, $query4); while ($row4 = mysqli_fetch_array($data4)) { echo "<li><input type='checkbox' name='postingtag[]'"; if (!empty($postingtag)){ echo "value='$postingtag'"; } else{ echo "value='{$row4['tagID']}'"; } echo ">{$row4['tagname']}</li>"; }

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• need to changed markup with jquery

  - by user357034

  I have the following markup which I do not have direct access to... <a href="javascript:void(0);" onclick="window.open('/BulkDiscounts.asp?ProductID=318&ProductCode=' + escape('LB30X40ES') + '&Orig_Price=22.95', 'Discounts', 'scrollbars,status,resizable,width=330,height=300');"><iimg src="/v/vspfiles/templates/100/images/buttons/btn_quantitydiscounts.gif" border="0" align="absmiddle"></a> I need to "rewrite" the above as follows... A few things to point out is that the title is coming from a variable escape(global_Current_ProductCode) variable=productcode in the case above it is LB30X40ES The height and weight, price and product id used in the second markup must be from the first markup. Note that these change depending on the product loaded. These are not constants. I would guess the first thing to do was to add the thickbox class. Then I am lost as to what to do next. Basically I need to open up an thickbox iframe with the modified markup.

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• iPhone Application and programming Updates

  - by Cheryl

  Hi When a user logs into my iPhone App. I store their userID and relevant information in [NSUserDefaults standardUserDefaults]. This way they are not required to log in each time they access my application. When my application is live in the app store and I make updates to the code will this information be lost - will they then be required to log in? If so how do I go about preserving this information when I make updates? And while I can't image this happening but should a user choose to delete my application after they have installed it - how would I know that they have deleted it? I am using the push notifications and would like to flag the user as not being active so that I don't keep pushing out notifications to them. Thanks Very Much Cheryl

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• DB fields not showing up in association custom queries?

  - by Kevin

  I have a notification list that the user can select different show options for different kinds of notifications along with how many results are returned. I'm keeping them in the user model because I want the custom sort to stay with the user between sessions. Here is the association in my user model: has_many :notifications, :class_name => "Notification", :foreign_key => "user_id", :conditions => ["won = ? and lost = ? and paid = ?", self.prefs_won, self.prefs_lost, self.prefs_paid], :limit => self.prefs_results.to_s But when I use the above code, Rails throws me an "unknown method" error for self.prefs_won. It is definitely a field in my database and set as a boolean value, but Rails can't find it... what's the problem?

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• comparing int values in android

  - by user1183066

  I am making an android game that is checking the players health value when this method is being runned. But however, it's not reacting. It doesn't do anything, when the value is less than 3, it shouldn't do anything, but when it is equal to 3, it should run a method. Please help me and thanks SO much in advance! This is the code that i am using: private void checkLivesLeftValue() { if (livesLeftValue == 3) { //Message to display: "You lost! onMethod(); } else { livesLeftValue = livesLeftValue + 1; } }

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• Javascript - Text Input Attributes

  - by bobrusha

  I need to create a form element <input disabled type="text" value="smth" /> which is disabled by default. It enables when onmouseover occures. onmouseover="this.disabled=false;" And is disabled by onmouseout onmouseout="this.disabled=true;" What I need is to check the following. If the <input> is focused then it shouldn't be disabled. And if the form element loses focus it disables. Please help me to complete the events. <input disabled type="text" value="smth" onmouseover="this.disabled=false;" onfocus="???" onblur="???" onmouseout="if(???){this.disabled=true;}" />

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• NSUserDefaults doesn't save

  - by JJSaccolo

  Hi everybody! i'm trying to save some informations in an iphone/ipad app. The problem is that it works but if i close the app (with the home button on the simulator or closing with cmd+q) the informations become lost! this is my code (and, if you see, i used "syncronize") - (IBAction)choose1{ NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; [defaults setObject:@"choose1" forKey:@"choose"]; [defaults synchronize]; } - (IBAction)choose2{ NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; [defaults setObject:@"choose2" forKey:@"choose"]; [defaults synchronize]; } - (IBAction)openview{ NSString *var = [[NSUserDefaults standardUserDefaults] objectForKey:@"choose"]; if (var == @"choose1"){ [self pushViewController:view1 animated:YES];} else if (var == @"choose1"){ [self pushViewController:view2 animated:YES]; } } I don't understand why :(

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• asp.net could a half submitted web page be processed?

  - by c00ke

  Having a weird bug in production and just wondering if it's possible for a half submitted web page to processed by the server? The page has no view state just using plain old html controls and accessing data displayed in repeater on the back end via Request.Form[name] etc. Is it possible for a request to be truncated perhaps due to lost internet connection and the page still processed by the server. Therefore if field not part of the request Request.Form[name] could result in null? I know can use fiddler to modify request but unfortunately we are not allowed to change group policy and change the proxy! Many Thanks

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• Cannot make sense out a Delphi windows file name

  - by Philippe Watel

  I am trying to copy from a file X to this name C:\RIP2\France Clidat\Les Plus Belles Oeuvres - France Clidat\(01)3_ Un Sospiro.flac I have checked that there is no bad characters, If I force directorires it creates C:\RIP2\France Clidat\Les Plus Belles Oeuvres - France Clidat but it refuses to write the file and I do not understand why a simple test procedure foo(str: string); var f:File; begin Assign(f,str); Rewrite(f); CloseFile(f); end; will crash saying it is not a valid file name but it is! If I remove ALL blank spaces it works I am lost please Help

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• Updating a database periodically with Java

  - by MSR

  I would like to perform updates to a MySQL database using two separate classes (that do different things) -- one doing so every 10 seconds, and the second every minute. I have a few gaps in my Java knowledge and I'm wondering what the best way to achieve it is. Importantly, if connectivity to the database is lost, I need reconnection attempts to occur indefinitely, and I'm guessing the use of Prepared Statements will make queries more efficient. Should the connection to the database be left open all the time or closed between the updates being run? Maybe I also need to think about clearing objects/resources out of memory if the class instances are going to be run indefinitely.

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