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  • How to set only the first cell of a UITableView to a different color?

    - by Ted
    I use cellForRowAtIndexPath like here: - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if(cell == nil) cell = [self getCellContentView:CellIdentifier]; UILabel *lbl = (UILabel*)[cell.contentView viewWithTag:1]; for (UITableViewCell *c in [tbl visibleCells]) { // UITableViewCell *cell2 = [tbl cellForRowAtIndexPath:[NSIndexPath indexPathForRow:i inSection:0]]; UILabel *lbl = (UILabel*)[c.contentView viewWithTag:1]; lbl.textColor = [UIColor redColor]; } if([tbl indexPathForCell:cell].section==0) lbl.textColor = [UIColor whiteColor]; UILabel *lblTemp1 = (UILabel *)[cell viewWithTag:1]; UILabel *lblTemp2 = (UILabel *)[cell viewWithTag:2]; //First get the dictionary object lblTemp1.text = @"test!"; lblTemp2.text = @"testing more"; NSLog(@"%@",[tbl indexPathForCell:cell]); return cell; } But is still makes some of my cells white instead of gray. How can I change only the first item in the row to white?

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  • C++ - How to efficiently find out if any string in a vector can be assembled from a set of letters

    - by Francisco P.
    Hello, everyone! I am implementing a text-based version of Scrabble for a college project. I have a vector containing around 400K strings (my dictionary), and, at some point in every turn, I'm going to have to check if there's still a word in the dictionary which can be formed with the pieces in the player's hand. I'm checking if the player has any move left... If not, it's game over for the player in question... My only solution to this is iterating through the string, one by one, and using a sub-routine I have to check if the string in question can be formed from the player's pieces. I'll implement a quickfail checking if the user has any vowels, but it'll still be woefully inefficient. Any suggestions? Thanks for your time!

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  • What to set the scalar type to contain a byte []. Entity in MVC2

    - by Brad8118
    I'm trying out the EF 4.0 and using the Model first approach. I'd like to store images into the database and I'm not sure of the best type for the scalar in the entity. I currently have it(the image scalar type) setup as a binary. From what I have been reading the best way to store the image in the db is a byte[]. So I'm assuming that binary is the way to go. If there is a better way I'd switch. In my controller I have: //file from client to store in the db HttpPostedFileBase file = Request.Files[inputTagName]; if (file.ContentLength > 0) { keyToAdd.Image = new byte[file.ContentLength]; file.InputStream.Write(keyToAdd.Image, 0, file.ContentLength); } This builds fine but when I run it I get an exception writing the stream to keyToAdd.Image. The exception is something like: Method does not exist. Any ideas? Note that when using a EF 4.0 model first approach I only have int16, int32, double, string, decimal, binary, byte, DateTime, Double, Single, and SByte as available types. Thanks

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  • Running Java Program linking to thirdpary library (java -jar) issue ( Multiple methods tried )

    - by bamachrn
    This issue is related to running a Java program (jar) dependent on thirdparty jar library even after setting classpath and trying so many other methods by reading articles in Internet. I want to use a thirdparty Pack1.jar (it is not a part of jvm) as dependency of my programme. I do not know where the Pack1.jar file could be in the deployment machine and I want the deployer to specify the path for the thirdparty libraries I have tried the following alternatives in vain Setting the java.class.path programatically String class_path = args[0]; System.setProperty("java.class.path",class_path); Here I am assuming that deployer would supply the classpath as first argument while running the program Setting the CLASSPATH env_var to locate the thirdparty directory While running, using the classpath option java -classpath /path/to/Pack1.jar -jar Pack2.jar I think this would not work because documentation says that classpath is ignored when program is run with "java -jar" Setting the java.ext.dirs programatically. Setting the java.library.path programatically. I do not want to specify the Class-Path in manifest because that takes only relative path and I do not know where the thirdparty library would be kept in deployment machine But I am unable to get the jar running. How can I fix this problem any help please.

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  • How to set title and class in the HTML for the options of a ModelChoiceField?

    - by celopes
    I have a model class MyModel(models.Model): name = models.CharField(max_length=80, unique=True) parent = models.ForeignKey('self', null=True, blank=True) I want to render a ModelChoiceField for that model that looks like: <select name="mymodel" id="id_mymodel"> <option value="1" title="Value 1" class="">Value 1</option> <option value="2" title="Value 2" class="Value 1">Value 2</option> </select> The differences between this output and the default output for a ModelChoiceField are the title and class elements in the OPTION tag. They don't exist in ModelChoiceField's default output. For my purposes: The title element is supposed to be the Option Name. The class element is supposed to be self.parent.name. (this is my problem) So, in the HTML snippet above, Value 1 has no parent and Value 2 has a parent of Value 1. What is the best mechanism to change ModelChoiceField's default HTML output? EDIT: I understand how to create a new Widget for rendering HTML. The problem is how to render a value from the underlying model in each of the options.

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  • jQuery: Scroll down page a set increment (in pixels) on click?

    - by bcWeb
    I'm trying to make a page scroll down 150px from the current position when an element is clicked. So lets say you're roughly halfway scrolled down a page. You click this link, and it will slide you down an additional 150 pixels. Is this possible with jQuery? I've been looking at scrollTop and the scrollTo plugin, but I can't seem to connect the dots.

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  • Add a List<object> to EF

    - by Billdr
    I'm playing around with EF, trying to get my bearings. Right now I'm writing a blackjack game for a website. The problem is that my whenever I pull a GameState from the database, the playerHand, dealerHand, theDeck, and dealerHidden properties are null. public class GameState { [Key] [DatabaseGeneratedAttribute(DatabaseGeneratedOption.Identity)] public int gameSession { get; set; } public int playerScore { get; set; } public int dealerScore { get; set; } public Deck theDeck { get; set; } public List<Cards> playerHand { get; set; } public List<Cards> dealerHand { get; set; } public Cards dealerHidden { get; set; } public bool gameOver { get; set; } } public class Cards { [Key] [DatabaseGenerated(DatabaseGeneratedOption.Identity)] public int cardId { get; set; } public string cardName { get; set; } public int cardValue { get; set; } } public class GameStateContext : DbContext { public GameStateContext() : base("MyContext") { } protected override void OnModelCreating(DbModelBuilder modelBuilder) { modelBuilder.Entity<GameState>().HasRequired(e => e.theDeck); modelBuilder.Entity<GameState>().HasRequired(e => e.dealerHand).WithMany().WillCascadeOnDelete(false); modelBuilder.Entity<GameState>().HasRequired(e => e.playerHand).WithMany().WillCascadeOnDelete(false); modelBuilder.Entity<GameState>().HasOptional(e => e.dealerHidden); modelBuilder.Entity<Deck>().HasRequired(e => e.cards).WithMany().WillCascadeOnDelete(false); base.OnModelCreating(modelBuilder); } public DbSet<GameState> GameStates { get; set; } public DbSet<Deck> Decks { get; set; } public DbSet<Card> Cards { get; set; } } The cards and deck table are populated. Where am I going wrong?

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  • How is a set partitioned into valid and invalid items using LINQ?

    - by Aaron Anodide
    Is there a way to write a single LINQ expression to get the same result of the following code? var validations = new Func<conversion, bool>[] { c => c.affiliate.affiliate_id > 0, c => c.campaign_id > 0 }; var invalidConversions = from c in extractedConversions where validations.Any(valid => !valid(c)) select c; var validConversions = from c in extractedConversions where validations.All(valid => valid(c)) select c;

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  • how can i set the background color of a particular button in iphone ?

    - by suchita
    for this I used btnName1 = [ColorfulButton buttonWithType:UIButtonTypeRoundedRect]; btnName1.frame=CGRectMake(45,146,220,40); [btnName1 setTitle:@"Continue" forState:UIControlStateNormal]; [btnName1 setTitleColor:[UIColor blackColor] forState:UIControlStateNormal]; [btnName1 setImage:[UIImage imageNamed:@"green.png"] forState:UIControlStateNormal]; UIImage *img =[UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:@"greenish" ofType:@"png"]]; UIImage *strechableImage = [img stretchableImageWithLeftCapWidth:12 topCapHeight:0]; [btnName1 setBackgroundImage:strechableImage forState:UIControlStateNormal]; [btnName1 setNeedsDisplay]; [InfoView addSubview:btnName1]; it's correctly working on iphone simulator but not on ipod(color not show in ipod)

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  • how do i set a value to a range using a function from module in excel vba?

    - by gadym
    hello all, i want to do a simple function in a module in excel vba, so i can use it as a custom function in excel. (i use excel 2003, or 2007 , it's doesnt matter) i create a function(!) in a new workbook and it's looks like this: Function a() Sheets(1).Range("A1").Value = 4 end function but when i try to use it on the sheet1 it's wont work! i tried many things. how can i make this work (with no workarounds, i want to use it as a custom function) ? please help. thanks, gadym

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  • Why is it possible to save entity but not delete if transactional annotation is set to readonly=true

    - by jakob
    Hello experts! My class is annotated with org.springframework.transaction.annotation.Transactional like this: @Transactional(readOnly = true) public class MyClass { I then have a dao class: @Override public void delete(final E entity) { getSession().delete(entity); } @Override public void save(final E entity) { getSession().saveOrUpdate(entity); } Then I have two methods in MyClass @Transactional(readOnly = false) public void doDelete(Entity entity){ daoImpl.delete(entity) } //@Transactional(readOnly = false) public void doSave(){ daoImpl.save(entity) } Saving and deleting works like a charm. But if I remove the @Transactional(readOnly = false) on doDelete method deletion stops working, Saving works with and without the method annotation. So my question is: WHY?

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  • How do I pick the most beneficial combination of items from a set of items?

    - by Chu
    I'm designing a piece of a game where the AI needs to determine which combination of armor will give the best overall stat bonus to the character. Each character will have about 10 stats, of which only 3-4 are important, and of those important ones, a few will be more important than the others. Armor will also give a boost to 1 or all stats. For example, a shirt might give +4 to the character's int and +2 stamina while at the same time, a pair of pants may have +7 strength and nothing else. So let's say that a character has a healthy choice of armor to use (5 pairs of pants, 5 pairs of gloves, etc.) We've designated that Int and Perception are the most important stats for this character. How could I write an algorithm that would determine which combination of armor and items would result in the highest of any given stat (say in this example Int and Perception)?

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  • Why is it when I set "closeOnEscape" to false and then "closeOnEscape" to true jquery dialog escape

    - by chobo2
    Hi I am using jquery ui 1.8 and I have a model dialog that popups up and if a user clicks on a checkbox another one comes up. This requires them to say "yes" or "no" so I removed the "X" on the dialog and put closeOnEscape to false. However I noticed when I did that the model dialog underneath it would close when they hit escape. So now when the one that pops up when the checkbox is checked I disable closeOnEscape on the first dialog box. When they close it I enable again yet it does not work. I am not sure why $("#Dialog").dialog( "option", "closeOnEscape", true); I even do this in firebug. I just open my first dialog up Do this in firebugs console $("#Dialog").dialog( "option", "closeOnEscape", false); Then verify that escape is now disabled. I then try to enable it again $("#Dialog").dialog( "option", "closeOnEscape", true); Yet it never enables.

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  • XSLT ... I can'f find a (working) find minimum value in XML and set variable

    - by Bob
    I've search for hours and not found an example that allows for the very first position to be the lowest. I'm getting 'False' instead of the value returned .... EDIT: Oddly enough if I run a 2nd instance as MAX_Landed with ascending it returns a value just fine. If I switch the order in the XSLT the first instance will return 'False' and the 2nd will work. Hope I'm making sense ..... Example XML which I can't get formatted to show correctly and in a hurry so you get the gist I hope: <?xml version="1.0"?> <GetLowestOfferListingsForASINResponse xmlns="http://mws.amazonservices.com/schema/Products/2011-10-01"> <GetLowestOfferListingsForASINResult ASIN="0470067802" status="Success"> <AllOfferListingsConsidered>false</AllOfferListingsConsidered> <Product xmlns="http://mws.amazonservices.com/schema/Products/2011-10-01" xmlns:ns2="http://mws.amazonservices.com/schema/Products/2011-10-01/default.xsd"> <LowestOfferListings> <LowestOfferListing> <Qualifiers> <ItemCondition>Used</ItemCondition> <ItemSubcondition>Good</ItemSubcondition> </Qualifiers> <Price> <LandedPrice> <Amount>15.71</Amount> </LandedPrice> </Price> </LowestOfferListing> <LowestOfferListing> <Qualifiers> <ItemCondition>Used</ItemCondition> <ItemSubcondition>Good</ItemSubcondition> </Qualifiers> <Price> <LandedPrice> <Amount>16.71</Amount> </LandedPrice> </Price> </LowestOfferListing> <LowestOfferListing> <Qualifiers> <ItemCondition>Used</ItemCondition> <ItemSubcondition>Good</ItemSubcondition> </Qualifiers> <Price> <LandedPrice> <Amount>18.71</Amount> </LandedPrice> </Price> </LowestOfferListing> </LowestOfferListings> </Product> </GetLowestOfferListingsForASINResult> </GetLowestOfferListingsForASINResponse> Example XSLT : <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0" xmlns:amz="http://mws.amazonservices.com/schema/Products/2011-10-01" exclude-result-prefixes="amz"> <xsl:output method="xml" version="1.0" encoding="utf-8" indent="yes"/> <xsl:template match="/"> <xsl:variable name="MIN_Landed"> <xsl:for-each select="//Amount"> <xsl:sort data-type="number" order="ascending"/> <xsl:if test="position()=1"><xsl:value-of select="."/></xsl:if> </xsl:for-each> </xsl:variable> <FMPXMLRESULT xmlns="http://www.filemaker.com/fmpxmlresult"> <ERRORCODE>0</ERRORCODE> <PRODUCT BUILD="" NAME="" VERSION=""/> <DATABASE DATEFORMAT="M/d/yyyy" LAYOUT="" NAME="" RECORDS="1" TIMEFORMAT="h:mm:ss a"/> <METADATA> <FIELD EMPTYOK="YES" MAXREPEAT="1" NAME="DATA" TYPE="TEXT"/> <FIELD EMPTYOK="YES" MAXREPEAT="1" NAME="Min_Landed" TYPE="TEXT"/> </METADATA> <RESULTSET> <xsl:attribute name="FOUND">1</xsl:attribute> <xsl:for-each select="amz:GetLowestOfferListingsForASINResponse/amz:GetLowestOfferListingsForASINResult/amz:Product/amz:LowestOfferListings/amz:LowestOfferListing"> <ROW> <xsl:attribute name="MODID">0</xsl:attribute> <xsl:attribute name="RECORDID">1</xsl:attribute> <COL> <DATA> <xsl:value-of select="amz:Qualifiers/amz:ItemCondition"/> </DATA> </COL> <COL> <DATA> <xsl:value-of select="$MIN_Landed"/> </DATA> </COL> </ROW> </xsl:for-each> </RESULTSET> </FMPXMLRESULT> </xsl:template> </xsl:stylesheet> HELP PLEASE! I really didn't want to post so much Amazon code but here it is stripped down to a bare bones response

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  • How to set a dynamic width on a floating div?

    - by user330144
    I have a div container with 3 div elements inside (A, B, and C). I'll know the width of the container and the width of A and B) the problem is that in some cases B won't be there in which case I need C to expand to fill the rest of the container. How would I do this with straight css or am I going to need to use javascript to calculate the width? Thanks.

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