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  • Length of text that can just fit into one screen without scrolling

    - by KailZhang
    I find some iphone book apps have such feature: One screen one page of text without scrolling. The text can just fit into the whole screen with linebreaks and indentations. I'm curious of how to implement this. How could I decide the length of text that just fit into the screen. And also, given the whole text, I can calculate out the number of pages. If this is not possible to be done on iPhone(runtime?), then is it possible to process the text before storing it in app? I mean I calculate how many pages I need(how to split the raw text), probably how many lines per page.

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  • Submit multiple forms as one

    - by Stephen Sarcsam Kamenar
    I have two forms on the page. To the user it looks like 1 form, and I actually wish it was one form. But the way I'm trying to reuse code and include things, I can't avoid two forms in the source code... trying to act as one. I don't want to do ajax submit, I want a normal post submit, my form handler has redirects in it. How can I submit both of these, and get values that make sense on the server side. something like $_POST['form1]['whatever'] $_POST['form2]['thing'] Maybe take all the inputs from form 2, rename all of them with a prefix, and append them to form 1? I can't find a non-messy way of doing this. I don't think I need code, just a plan. Least messy idea wins.

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  • objective-c - calling one constructor from another

    - by synic
    Say you had the following two constructors: - (id)initWithTitle:(NSString *)title; - (id)initWithTitle:(NSString *)title page:(NSString *)page; The second constructor is no different from the first, except that it sets up the member variable "page". Since it basically has to do the same thing, is there a way to call the first one from the second one to reduce code duplication, or do you have to set up a third method to do the common tasks? I'm talking about something similar to this, though I doubt this will work: - (id)initWithTitle:(NSString *)_title { if(self = [super init]) { self.title = _title; } return self; } - (id)initWithTitle:(NSString *)_title page:(NSString *)_page { if(self = [self initWithTitle:_title]) { self.page = _page; } return self; }

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  • java multiple connections between server and one client

    - by user1507128
    I'm trying to make like a skype-instant messager, my idea for it is to have one server which handles multiple connections for the clients. What I now have is a friend list etc, but now I want to create Threads both for server and client to handle a conversation. The problem is that I need multiple connections between a server and one client for every conversation(I think). but i dont think it's possible. Does someone have another way for doing this or maybe a way to make multiple connections between the server and a client? Thanks for helping me out PS: English is not my main language so please excuse me for my grammar.

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  • Copying just the data from one Database to another

    - by monksy
    I'm not sure if this is the site for this question or not [if so put in the comment or vote to move it] How can I copy only the data from one database to another within the same server on SQL Server 2005? The two databases have the same schema but not the same data. I'm trying to get the data from one database to another. I am not able to restore from a snapshot [that screws over the security settings on the database]. I'm not able to use the import data wizard, because that is trying to copy over schema data as well.

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  • Different database for Membership and our web data or use just one?

    - by Jesus Rodriguez
    Is better to keep our Membership stuff on the DefaultConnection and create another connection (another database) for our data? Or just one database for all? If I have a MyAppContext and I want migrations for that context, It seems that I cannot have migrations for UserContext (In other words, I can just migrate one context) So, having two different databases I can migrate or the users (maybe membership migration is weird) or the web data. Or, I can mix the UserContext and MyAppContext in one UserAndAppContext and migrate all in one place, but this mixing also seems weird. What's the normal way to do this, one or two databases and what should be migrated?

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  • move selected item from one selectbox to another selectbox(with duplicate prevention)

    - by I Like PHP
    i have two select box, now what i want is i want to move option from one select box to another via a button below is my code: php <table> <tr> <td> <select size="5" id="suppliedMovies" name="suppliedMovies"> <option selected="selected" value="">Select Movie</option> <option value="1">sholay</option> <option value="3">Jism</option> <option value="4">Rog</option> <option value="5">Zeher</option> <option value="6">Awarpan</option> <option value="7">Paap</option> <option value="8">paanch<option> <option value="9">no entry</option> </select> </td> <td> <input type="button" id="toRight" value="&gt;&gt;"><br> <input type="button" id="toLeft" value="&lt;&lt;"> </td> <td> <select size="5" id="accquiredMovies" name="accquiredMovies"> <option> No item right now</option> </select> </td> </tr> </table> Jquery jQuery(document).ready( function() { function displayVals() { var myValues = jQuery("#suppliedMovies").val(); return myValues; } jQuery('#toRight').click(function(){ var x=displayVals(); console.log(x); var txt=jQuery("#suppliedMovies option[value='"+x+"']").text(); console.log(txt); if(x!=''){ jQuery('#accquiredMovies').append("<option value='"+x+"' >"+txt+"</option>"); } }); }); i m using above jQuery, that is working fine but, i want that when one item is copy from one select box to another select box, then that item should be disable(or probably delete) from first select box (to prevent duplicate entry). i also want to move item from right to left select box please suggest me optimized jQuery . Thanks. UPDATE if i want to use multiple select box on both side? then how do i use that? more update if i click on a item on rightselectbox and move it to left selectbox, and go further(post) then on right selectbox, there is nothing selected items?? what i need is on right selectbox, there all items shoud be always selected , otherwise what i need to do? after i move an item from right to left ,i again have to select rest of items on right selectbox and go further

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  • where on disk is space allocated for new files inside LVM lv with ext4 file system?

    - by Jost
    I run a multi-disk server with LVM2. Several large disks serve as LVM2 physical volumes for one volume group, containing one logical volume formatted with ext4. Nothing fancy, just your standard linear setup. Recently an additional, very small disk was added as physical volume to that volume group and I expanded both the logical volume, and the ext4 file system therein onto that disk. This lv is used to store incremental backups using rsync and is only about 30% full, there have rarely been any files deleted from it, only incremental writes. Now this new HDD I added to the pre-existing volume group has unexpectedly died on me, and the volume group won't come up because it is missing one physical volume. As fate will have it, this WAS the "in an event of catastrophic failure on the primary server"-backup, the event happened, the boss is not happy, so this kinda has to work... According to this (Part 3): http://www.novell.com/coolsolutions/appnote/19386.html it is possible to trick LVM into starting anyway by creating a new pv with identical metadata to the failed disk, which will make the volume accessible, but of course leave giant holes in the file system. I have'n tried it yet, because it involves repairing (writing to) the file system which eliminates the possibility of trying other things if it fails. Now my question is: How does this setup actually allocate disk space for new data? Is it allocated linearly from beginning to end of PVs, in the order they were added to the vg? Is it striped somehow in order to increase performance/balance load? since this defective disk was added only later to an existing lvm2 vg and lv, containing a half-empty ext4, what are the chances that there was never any data written to the defective disk? In other words: what are the chances of recovering all my data, even without the defective disk, by just starting the volume group as-is? Am I about to go spend $1500 on having 250GB of empty space recovered when I send the defective disk in for repair? Is there a way to check without mounting the file system and opening the files, hoping they contain something other than zeros? (comparing addresses of used data blocks inside ext4 to address ranges that were on the missing pv, something like that, preferably easy to automate) I know bitwise-copying the entire lv into an image file before trying to repair the ext4 would probably be a good idea, but since this lv is very large and I just suffered major file system failure on several systems it is probably a luxury I don't have... Any suggestions?

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  • Boost Audio Input on OS X?

    - by alanstorm
    I'm using my 13" Mac Book Pro's audio input functionality with an external microphone (recent vintage, bought around Thanksgiving). I've increased my input volume to the maximum in system preference, but the resulting recorded volume (using iShowU HD) is very low. Is there anyway to increase the input volume/sensitivity beyond Apple's default settings? I've found plenty on google about increasing the OUTPUT volume, but I want to increase the input volume.

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  • xbindkeys escape quotes

    - by Danilo Bargen
    How can I escape quotes in .xbindkeysrc commands? Neither of those work. "pacmd dump|awk --non-decimal-data '$1~/set-sink-volume/{system ("pacmd "$1" "$2" "$3+2500)}'" "pacmd dump|awk --non-decimal-data '\$1~/set-sink-volume/{system ("pacmd "\$1" "\$2" "\$3+2500)}'" "pacmd dump|awk --non-decimal-data '\$1~/set-sink-volume/{system (\"pacmd \"\$1\" \"\$2\" \"\$3+2500)}'" "pacmd dump|awk --non-decimal-data '$1~/set-sink-volume/{system (\"pacmd \"$1\" \"$2\" \"$3+2500)}'" (The commands raises the PluseAudio volume level)

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  • .NET remoting exception: Exception in the Socket#33711845::DoBind - Only one usage of each socket ad

    - by wollemi
    Hi All, I'm attempting to setup a simple remoting windows service and getting the following error when starting the service: "System.Net.Sockets Error: 0 : [4180] Exception in the Socket#33711845::DoBind - Only one usage of each socket address (protocol/network address/port) is normally permitted System.Net.Sockets Verbose: 0 : [4180] ExclusiveTcpListener#4032828::Start() System.Net.Sockets Verbose: 0 : [4180] Socket#33711845::Bind(0:9998#9998) System.Net.Sockets Error: 0 : [4180] Exception in the Socket#33711845::DoBind - Only one usage of each socket address (protocol/network address/port) is normally permitted ". In the windows service application I have the following code in the "OnStart" method - the error occurs when registering the Channel - ChannelServices.RegisterChannel(tcpPipe, true); As far as I can tell there are no other processes using port 9998 ... Your help to resolve this is most appreciated! protected override void OnStart(string[] args) { int portNumber = int.Parse(ConfigurationManager.AppSettings["endPointTCPPort"]); TcpChannel tcpPipe = new TcpChannel(portNumber); ChannelServices.RegisterChannel(tcpPipe, true); Type serviceType = Type.GetType("TractionGatewayService.TractionGateway"); try { RemotingConfiguration.RegisterWellKnownServiceType(serviceType, "updateCustomerDetails", WellKnownObjectMode.SingleCall); } catch (RemotingException e) { EventLog.WriteEntry("unable to establish listening port because " + e.message; ChannelServices.UnregisterChannel(tcpPipe); } w

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  • Measuring text with sizeWithFont returns height one line too short

    - by Mac
    In an iPhone app I'm working on, I'm trying to get a UILabel to dynamically adjust its size based on its content. To do so, I'm using NSString's sizeWithFont:constrainedToSize method to measure the height of the text when constrained to a given width, and then set the UILabel to that width and the returned height. The problem however, is that roughly half the time sizeWithFont is returning a height for the text that is one line too short. This happens mostly with long strings (a couple of hundred characters), but also very occasionally with shorter strings (less than one hundred). For reference, my code looks like the following (textLabel is the UILabel in question and is a member variable, TEXT_WIDTH is the desired label width): - (void) setLabelText:(NSString*) text { CGSize bounds = CGSizeMake(TEXT_WIDTH, CGFLOAT_MAX); int textHeight = [text sizeWithFont:textLabel constrainedToSize:bounds lineBreakMode:UILineBreakModeWordWrap].height; CGRect newFrame = CGRectMake(0, 0, TEXT_WIDTH, textHeight); [textLabel setFrame:newFrame]; } Just to be clear, I don't believe the issue is with the UILabel, as I've manually inspected the value being returned by sizeWithFont and can confirm that the number being returned for the height is too small on the occasions when the label is also too small.

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  • Need help regarding one LALR(1) parsing.

    - by AppleGrew
    I am trying to parse a context-free language, called Context Free Art. I have created its parser in Javascript using a YACC-like JS LALR(1) parser generator JSCC. Take the example of following CFA (Context Free Art) code. This code is a valid CFA. startshape A rule A { CIRCLE { s 1} } Notice the A and s in above. s is a command to scale the CIRCLE, but A is just a name of this rule. In the language's grammar I have set s as token SCALE and A comes under token STRING (I have a regular expression to match string and it is at the bottom of of all tokens). This works fine, but in the below case it breaks. startshape s rule s { CIRCLE { s 1} } This too is a perfectly valid code, but since my parser marks s after rule as SCALE token so it errors out saying that it was expecting STRING. Now my question is, if there is any way to re-write the production rules of the parser to account for this? The related production rule is:- rule: RULE STRING '{' buncha_replacements '}' [* rule(%2, 1) *] | RULE STRING RATIONAL '{' buncha_replacements '}' [* rule(%2, 1*%3) *] ; One simple solution I can think of is create a copy of above rule with STRING replaced by SCALE, but this is just one of the many similar rules which would need such fixing. Furthermore there are many other terminals which can get matched to STRING. So that means way too many rules!

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  • Bulk Copy from one server to another

    - by Joseph
    Hi All, I've one situation where I need to copy part of the data from one server to another. The table schema are exactly same. I need to move partial data from the source, which may or may not be available in the destination table. The solution I'm thinking is, use bcp to export data to a text(or .dat) file and then take that file to the destination as both are not accessible at the same time (Different network), then import the data to the destination. There are some conditions I need to satisfy. 1. I need to export only a list of data from the table, not whole. My client is going to give me IDs which needs to be moved from source to destination. I've around 3000 records in the master table, and same in the child tables too. What I expect is, only 300 records to be moved. 2. If the record exists in the destination, the client is going to instruct as whether to ignore or overwrite case to case. 90% of the time, we need to ignore the records without overwriting, but log the records in a log file. Please help me with the best approach. I thought of using BCP with query option to filter the data, but while importing, how do I bypass inserting the existing records? If I need to overwrite, how to do it? Thanks a lot in advance. ~Joseph

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  • TwoWay Binding to ListBox SelectedItem on more than one list box in WPF

    - by Dan Bryant
    I have a scenario where I have a globally available Properties window (similar to the Properties window in Visual Studio), which is bound to a SelectedObject property of my model. I have a number of different ways to browse and select objects, so my first attempt was to bind them to SelectedObject directly. For example: <ListBox ItemsSource="{Binding ActiveProject.Controllers}" SelectedItem="{Binding SelectedObject, Mode=TwoWay}"/> <ListBox ItemsSource="{Binding ActiveProject.Machines}" SelectedItem="{Binding SelectedObject, Mode=TwoWay}"/> This works well when I have more than one item in each list, but it fails if a list has only one item. When I select the item, SelectedObject is not updated, since the list still thinks its original item was selected. I believe this happens because the two way binding simply ignores the update from source when SelectedObject is not an object in the list, leaving the list's SelectedItem unchanged. In this way, the bindings become out of sync. Does anybody know of a way to make sure the list boxes reset their SelectedItem when the SelectedObject is not in the list? Is there a better way to do this that doesn't suffer from this problem?

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  • Variable number of two-dimensional arrays into one big array

    - by qlb
    I have a variable number of two-dimensional arrays. The first dimension is variable, the second dimension is constant. i.e.: Object[][] array0 = { {"tim", "sanchez", 34, 175.5, "bla", "blub", "[email protected]"}, {"alice", "smith", 42, 160.0, "la", "bub", "[email protected]"}, ... }; Object[][] array1 = { {"john", "sdfs", 34, 15.5, "a", "bl", "[email protected]"}, {"joe", "smith", 42, 16.0, "a", "bub", "[email protected]"}, ... }; ... Object[][] arrayi = ... I'm generating these arrays with a for-loop: for (int i = 0; i < filter.length; i++) { MyClass c = new MyClass(filter[i]); //data = c.getData(); } Where "filter" is another array which is filled with information that tells "MyClass" how to fill the arrays. "getData()" gives back one of the i number of arrays. Now I just need to have everything in one big two dimensional array. i.e.: Object[][] arrayComplete = { {"tim", "sanchez", 34, 175.5, "bla", "blub", "[email protected]"}, {"alice", "smith", 42, 160.0, "la", "bub", "[email protected]"}, ... {"john", "sdfs", 34, 15.5, "a", "bl", "[email protected]"}, {"joe", "smith", 42, 16.0, "a", "bub", "[email protected]"}, ... ... }; In the end, I need a 2D array to feed my Swing TableModel. Any idea on how to accomplish this? It's blowing my mind right now.

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  • WPF - Getting the value of one a DataGridCell from within DataTemplateSelector

    - by Andy T
    Hi, I'm using DataTemplateSelector with the WPFToolkit DataGrid. I want to select the editing template for one cell based on the value of another cell on the same row. The DataTemplateSelector's SelectTemplate method takes two arguments: one is the data item displayed by the grid row, the other is the grid cell. What I want to know is how to get the value of another cell from within the SelectTemplate method. However, I'm not sure of the correct way to get this information by accessing properties of the cell. public class RangeValuesEditTemplateSelector : DataTemplateSelector { public DataTemplate NumberTemplate{get; set;} public DataTemplate TextTemplate{get; set;} public override DataTemplate SelectTemplate(object item, DependencyObject container) { //TODO: need to find the correct way to populate the if condition below DataGridCell theCell = container as DataGridCell; if (theCell.something.somethingElse) { return NumberTemplate; }else{ return TextTemplate; } } } Can anyone help? Many thanks in advance. AT

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  • SQL Joining on a one-to-many relationship

    - by Harley
    Ok, here was my original question; Table one contains ID|Name 1 Mary 2 John Table two contains ID|Color 1 Red 1 Blue 2 Blue 2 Green 2 Black I want to end up with is ID|Name|Red|Blue|Green|Black 1 Mary Y Y 2 John Y Y Y It seems that because there are 11 unique values for color and 1000's upon 1000's of records in table one that there is no 'good' way to do this. So, two other questions. Is there an efficient way to query to get this result? I can then create a crosstab in my application to get the desired result. ID|Name|Color 1 Mary Red 1 Mary Blue 2 John Blue 2 John Green 2 John Black If I wanted to limit the number of records returned how could I do a query to do something like this? Where ((color='blue') AND (color<>'red' OR color<>'green')) So using the above example I would then get back ID|Name|Color 1 Mary Blue 2 John Blue 2 John Black I connect to Visual FoxPro tables via ADODB to use SQL. Thanks!

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