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• f# string.Format

  - by mamu

  I am writing my first f# library i am trying to use string.Format and it complains that no such function Is it not available or am i doing something wrong

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• Prevent Excel from evaluating unneeded expressions in OR()

  - by Wesley

  IF(OR(ISNA(MATCH(8,B10:B17,0)),MATCH(8,B10:B17,0)>8),"",...BLAH...) I understand how to fix this problem by rearranging my formula. I have it the way it is to show this point. You can see the OR() statement checks to see if the first MATCH() returns NA. When it does, OR() should automatically return TRUE and not evaluate the second MATCH() because conditions have been met for the OR() to return true no matter what other arguments there are. You'll notice that the first and second MATCH() functions do the same thing. What's happening is the entire function is returning NA because the second MATCH() is executing even though it doesn't have to, the OR() has been satisfied with one TRUE, therefore the function should return "". Is this a bug or is this intentional?

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• program received signal SIGABRT (xcode)

  - by manish1990

  #import <UIKit/UIKit.h> @interface tableview : UIViewController<UITableViewDataSource> { NSArray *listOfItems; } @property(nonatomic,retain) NSArray *listOfItems; @end #import "tableview.h" @implementation tableview @synthesize listOfItems; - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier ]autorelease]; } //NSString *cellValue = [listOfItems objectAtIndex:indexPath.row]; cell.textLabel.text = [listOfItems objectAtIndex:indexPath.row]; return cell; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return 3; } - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self; } - (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } #pragma mark - View lifecycle - (void)viewDidLoad { listOfItems = [[NSArray alloc] initWithObjects:@"first",@"second",@"third", nil]; //listOfItems = [[NSMutableArray alloc]init]; // [listOfItems addObject:@"first"]; //[listOfItems addObject:@"second"]; [super viewDidLoad]; // Do any additional setup after loading the view from its nib. } -(void)dealloc { [listOfItems release]; [super dealloc]; } @end GNU gdb 6.3.50-20050815 (Apple version gdb-1708) (Mon Aug 15 16:03:10 UTC 2011) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "x86_64-apple-darwin".sharedlibrary apply-load-rules all Attaching to process 438. 2012-04-27 13:33:23.276 tableview test[438:207] -[UIView tableView:numberOfRowsInSection:]: unrecognized selector sent to instance 0x6855500 2012-04-27 13:33:23.362 tableview test[438:207] * Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIView tableView:numberOfRowsInSection:]: unrecognized selector sent to instance 0x6855500' * First throw call stack: (0x13bb052 0x154cd0a 0x13bcced 0x1321f00 0x1321ce2 0x1ecf2b 0x1ef722 0x9f7c7 0x9f2c1 0xa228c 0xa6783 0x51322 0x13bce72 0x1d6592d 0x1d6f827 0x1cf5fa7 0x1cf7ea6 0x1d8330c 0x23530 0x138f9ce 0x1326670 0x12f24f6 0x12f1db4 0x12f1ccb 0x12a4879 0x12a493e 0x12a9b 0x2282 0x21f5) terminate called throwing an exceptionCurrent language: auto; currently objective-c (gdb)

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• Viewstate seems to be hijacked inadvertently

  - by dvr

  Hi, we are using asp.net 2.x, we use session state stored in sql server, 2 web servers in loadbalance, iis6. our issue is that in the last 3 months we have had 2 cases where some one using our enquiry form has seen someone else's info e.g. first name and last name. We are not populating the form from objects in session so I have come to the conclusion that the second user has somehow received the viewstate from the first user, after that user has tried to submit and got an error e.g. has posted view state and returned the the same page and the other user has requested that page at the same time (must have been on the same server I am guessing if it is a viewstate issue). have any of you experienced this before? some questions mulling around in my head is how does the worker process know to retun view state to a unique request and how does it determine a unique request etc..

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• dynamic SQL not working as expected

  - by christine33990

  create or replace procedure createtables Authid current_user as begin execute immediate 'create table newcustomer as select * from customer'; end; create or replace procedure e is begin createtables; select * from newcustomer; end; I got two procedures above. first one will create a new tables called newcustomer, second procedure will call the first procedure and query to the newcustomer table. when I try to compile this code, it says the table is not yet created, I don't really get it as I have called createtables procedure so I assume I have created the table. Any help will be appreciated. Thanks

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• Calculating all distances between one point and a group of points efficiently in R

  - by dbarbosa

  Hi, First of all, I am new to R (I started yesterday). I have two groups of points, data and centers, the first one of size n and the second of size K (for instance, n = 3823 and K = 10), and for each i in the first set, I need to find j in the second with the minimum distance. My idea is simple: for each i, let dist[j] be the distance between i and j, I only need to use which.min(dist) to find what I am looking for. Each point is an array of 64 doubles, so > dim(data) [1] 3823 64 > dim(centers) [1] 10 64 I have tried with for (i in 1:n) { for (j in 1:K) { d[j] <- sqrt(sum((centers[j,] - data[i,])^2)) } S[i] <- which.min(d) } which is extremely slow (with n = 200, it takes more than 40s!!). The fastest solution that I wrote is distance <- function(point, group) { return(dist(t(array(c(point, t(group)), dim=c(ncol(group), 1+nrow(group)))))[1:nrow(group)]) } for (i in 1:n) { d <- distance(data[i,], centers) which.min(d) } Even if it does a lot of computation that I don't use (because dist(m) computes the distance between all rows of m), it is way more faster than the other one (can anyone explain why?), but it is not fast enough for what I need, because it will not be used only once. And also, the distance code is very ugly. I tried to replace it with distance <- function(point, group) { return (dist(rbind(point,group))[1:nrow(group)]) } but this seems to be twice slower. I also tried to use dist for each pair, but it is also slower. I don't know what to do now. It seems like I am doing something very wrong. Any idea on how to do this more efficiently? ps: I need this to implement k-means by hand (and I need to do it, it is part of an assignment). I believe I will only need Euclidian distance, but I am not yet sure, so I will prefer to have some code where the distance computation can be replaced easily. stats::kmeans do all computation in less than one second.

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• How to integrate a GWT app into another Web-Framework?

  - by tigger

  I need the ability to load and start a GWT App at any time in an Echo2 environment. My first approach was to load and execute the nocache.js in a Client-Server sync using var script = document.createElement("script"); script.setAttribute("src",javascriptURI); script.setAttribute("type","text/javascript"); document.getElementsByTagName('body')[0].appendChild(script); This call basically works, but when the script is executed it operates on an EMPTY document instead of the current document of the Echo2 application. Has the script to be somehow initialized first or is there any event required? The GWT application/script works fine if it's included in the start-up HTML of the application, so I assume the GWT App to be correct. The original standalone HTML of the GWT App has the HTML script tag in the body as well.

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• Keep row of datagridview clicked by user selected

  - by user367509

  Hi All, I need the snipped code in C# to mantain selected the row from a datagridview after that row is double clicked. Right now I'm displaying data from a dataset and the selection mode is FullRowSelect. Any way to set this? There are two scenarios to deal with: 1) Everytime the timer ticks the selected row always go to the first row of datagridview. 2) Once a row is clicked, it is selected but after the timer ticks the selected row goes to the first one. Thanks for your help! A newbie programmer

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• Possible to exclude or reorder a column from `*` ?

  - by Earlz

  Is it possible to exclude a column from a select * from table statement with SQL Server? I have a need for this and this is my only option other than parsing a raw SQL string to get out the required field names (I really don't want to do that). Just to be bold. When the query is made I do not have access to the list of fields needed from the table but I do know which field I do not need. This is part of a complex multi-part query. Surely there must be some way even if it's "hackish" such as using table variables or views My other option is to reorder the columns. My problem is with ExecuteScalar SQL functions which get the first row and first column.

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• Making linq avoid using in memory filtering where possible

  - by linqmonkey

  Consider the these two LINQ2SQL data retrieval methods. The first creates a 'proper' SQL statement that filters the data, but requires passing the data context into the method. The second has a nicer syntax but loads the entire list of that accounts projects, then does in memory filtering. Is there any way to preserve the syntax of the second method but with the performance advantage of the first? public partial class Account { public IQueryable<Project> GetProjectsByYear(LinqDataContext context, int year) { return context.Projects.Where(p => p.AccountID==this.AccountID && p.Year==year).OrderBy(p => p.ProjectNo) } public IQueryable<Project> GetProjectsByYear(int year) { return this.Projects.Where(p => p.Year==year).OrderBy(p => p.ProjectNo).AsQueryable() } }

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• HandsOnTable - using date functions with methods

  - by briansol

  I have a function used on the datepicker to limit dates selected to the first of the month... I invoke it by setting a class and listener, such as: $( ".datepickfom" ).datepicker( { beforeShowDay: fom, showOn: "both", buttonImage: "/images/calendar.png", buttonImageOnly: true, changeMonth: true, changeYear: true, dateFormat: "m/d/yy", yearRange: "-25:+100", constrainInput: true } ); the fom call: function fom(date){ if (date.getDate() != 1) { return [false, "", "Specify 1st of Month"]; } return [true, ""]; } This works great for regular forms. I'm looking to extend this functionality to the HandsOnTable 'date' cell data types. var $container_1 = $("#datatable_1"); var handsontable_1 = $container_1.data('handsontable'); $("#datatable_1").handsontable( { columns: [ {}, {}, { type: 'date', dateFormat: 'm/d/yy' }, {}, { type: 'dropdown', source: ["","Y","N"] }, {}, {} ] }); This also works as it should, but the date lets me pick other dates besides the first. Is there a way to attach the beforeShowDay option to the HOT cell call as well?

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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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• SQL Server. Stored procedure to get the biweekly periods

  - by Yada

  I'm currently trying to write a stored procedure that can compute the biweekly periods when a date is passed in as a parameter. The business logic: the first Monday of the year is first day of the biweekly period. For example in 2010: period period_start period_end 1 2010-01-04 2010-01-17 2 2010-01-18 2010-01-31 3 2010-02-01 2010-02-14 .... 26 2010-12-20 2011-01-02 Passing today's date of 2010-12-31 will return 26, 2010-12-20 and 2011-01-02. I'm not too strong in T-SQL. Any help is appreciated. Thanks

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• Select item in CascadingDropDown via JavaScript & invoke update

  - by akosch

  In code-behind I can do this to select something: // Select item in first DropDownList myCascadingDropDown_1.SelectedValue = itemValue_1+":::"+itemText_1; // Select item in second DropDownList myCascadingDropDown_2.SelectedValue = itemValue_2+":::"+itemText_2; How can I do this in JavaScript? (I'm aware, that I could search the list and set the selectedIndex property for each dropdown, but I have many items and i'm very lazy.) EDIT: npups answer works: I can select my desired item in the first dropdownlist. The problem is however, that new values based on that selected item (it is a CascadingDropDown, remember?) don't show in the second dropdown so I can't select anything there. I would need to somehow invoke the update method of the second dropdown manually: any suggestions?

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• question on find value in array

  - by davit-datuashvili

  i have seen a few days ago such problem there is given two array find elements which are common of these array one of the solution was sort big array and then use binary search algorithm and also there is another algorithm- brute-force algorithm for (int i=0;i<array1.length;i++){ for (int j=0;j<array2.length;j++){ if (array1[i]==array2[j]){ //code here } } it's complexity is O(array1.length*array2.length); and i am interested the first method's complexity is also same yes? because we should sort array first and then use search method binary search algorithm's complexity is log_2(n) so it means that total time will be array.length*log_2(n) and about sort? please explain me which is better

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• Issues with start activity for result

  - by rodkarom

  I have written an Activity using Theme.Holo.Dialog so that it works as an AlertDialog as a login/password notice. I've started this activity with startActivityForResult(...) using a request code I defined. The thing is, whenever I start the activity ´onActivityResult(...)´ is triggered immediately, the buttons get loaded and everything, but once I press them, even though I know the Activity is working because login does happen, there is no result sent back to the first Activity and I am calling setResult(...) and finish() after the buttons are pressed. Thanks in advance, first time using startActivityForResult so I'm sure I must be missing something.

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• Linq Order By a subtable

  - by Michael

  Hello, My question is how to sort a Linq query by a sub table: Table Apps: - app_id - name Table AppStatus: - app_status_id - app_id - severity - status_date I would like to have a query with all the apps, sorted by the last status severity: app_id name 1 first 2 second 3 third app_status_id app_id severity status_date 1 1 5 12-4-2010 2 1 2 15-4-2010 3 2 7 10-4-2010 4 3 3 13-4-2010 Now i want it sorted like: app_id name 3 third 1 first 2 second Can anyone help me with a LINQ query for this. I tried the following already, but that didn't work: var apps = from apps in dc.Apps orderby apps.AppStatus.LastOrDefault().severity select apps;

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• detailsView title and description stays the same, not refreshing ...

  - by ahmet732

  I have some values on my tableview coming from database. I simply tap one of them, navigate to detailsView then I can see the title and description of that value on my navigation controller. (title on navigation bar, description on text view in detailsView) but when I wanted to search, I click search bar, keyboard comes up from the bottom, tableview minimizes a bit then find what I want from table. I tap again but titles and descriptions show very first value of my table view .. It does not show the correct title and description. Whenever I searched, it shows the title and description of very first value on my table view..

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• haskell. words into binary numbers

  - by Katja

  I need to convert words into binary numbers. With a bit help of yours I got this blCo::String -> Integer blCo x = num2bin(lett2num x) blCo (x:xs) | x:xs = num2bin(lett2num x):blCo xs num2lett :: Int -> Char num2lett n | (n <= ord 'A') && (n <= ord 'Z') = chr(ord 'A'+ n - 1) | (n <= ord 'a') && (n <= ord 'Z') = chr(ord 'A'+ n - 1) num2bin :: Integer -> String num2bin n | n >= 0 = concatMap show (reverse ( n2b n)) | otherwise = error "num2bin: negative number" where n2b 0 = [] n2b n = n `mod` 2 : n2b (n `div` 2) he tells me a mistake.I dont undertsand it mistake: Couldn't match expected type `Char' against inferred type `String' In the first argument of `lett2num', namely `x' In the first argument of `num2bin', namely `(lett2num x)' In the expression: num2bin (lett2num x)

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• How to download the xml file from server and use it inside application ?

  - by Praween k

  Hi Commonware, As you provided the solution .Actually my application requirement is exactly matches as you told i.e first download it from server and then display the file and it should also be updated as per the server file is updated within running period.Can u please provide me the application code for this .This will be very much helpful.I need it Urgently!!!!!!! [If it blows up, you will either need to split it into multiple files (each with a subset of your data), or not package it with the application, instead downloading it from a server on first run of your appl.] Thanks in advance. Praween

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• [AS 3.0] How to use the string.match method to find multiple occurrences of the same word in a strin

  - by Steven

  In Actionscript and Adobe Flex, I'm using a pattern and regexp (with the global flag) with the string.match method and it works how I'd like except when the match returns multiple occurrences of the same word in the text. In that case, all the matches for that word point only to the index for the first occurrence of that word. For example, if the text is "cat dog cat cat cow" and the pattern is a search for cat*, the match method returns an array of three occurrences of "cat", however, they all point to only the index of the first occurrence of cat when i use indexOf on a loop through the array. I'm assuming this is just how the string.match method is (although please let me know if i'm doing something wrong or missing something!). I want to find the specific indices of every occurrence of a match, even if it is of a word that was already previously matched. I'm wondering if that is just how the string.match method is and if so, if anyone has any idea what the best way to do this would be. Thanks.

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• need help using 2 mfc projects in one solution

  - by adir

  hi, ive created the first project as mfc application and i have tried to enter the solution another project which created as mfc dll. when i running program the gui from the first solution(demodlg) is shows up. and i want that in a prss of a button in the gui the second gui(CAnalyzerDialog) will show up. i've tried a lot of options and i cant get it done right. the last option ive tried is this code : CAnalyzerDialog dlg; dlg.Create(CAnalyzerDialog::IDD); please help. thank you for your time

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• How to create a MySQL query for time based elements with a 'safe window'?

  - by pj4533

  I am no SQL expert, far from it. I am writing a Rails application, and I am new at that as well. I come from a desktop programming background. My application has a table of data, one of the columns is the time at which the data was logged. I want to create a query with a 'safe window' around EACH row. By that I mean, it returns the first row, then for X minutes (based on the timelogged column) it won't return any data, once X minutes is up, it will return the next row. For example: ID | TimeLogged 1 | 3/5/2010 12:01:01 2 | 3/5/2010 12:01:50 3 | 3/5/2010 12:02:03 4 | 3/5/2010 12:10:30 5 | 3/5/2010 01:30:03 6 | 3/5/2010 01:31:05 With a 'safe window' of 5 minutes I want to create a query to return: 1 | 3/5/2010 12:01:01 4 | 3/5/2010 12:10:30 5 | 3/5/2010 01:30:03 (It skipped the 12:01:50 and 12:02:03 items because they occurred within 5 minutes of the first item.) Another example, with a 'safe window' of 15 minutes I want to return: 1 | 3/5/2010 12:01:01 5 | 3/5/2010 01:30:03 Perhaps I have to just return all data and parse it myself?

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• presentmodalviewcontroller not working properly in Application Delegate in iPhone

  - by sujyanarayan

  Hi, I'm using two UIViewController in Application Delegate and navigating to UIViewController using presentmodalviewcontroller. But Problem is that presentmodalviewcontroller works for first time UIViewController and when i want to navigate to second UIViewController using presentmodalviewcontroller then its showing first UIViewController. The following is the code:- -(void)removeTabBar:(NSString *)str { HelpViewController *hvc =[[HelpViewController alloc] initWithNibName:@"HelpViewController" bundle:[NSBundle mainBundle]]; VideoPlaylistViewController *vpvc =[[VideoPlaylistViewController alloc] initWithNibName:@"VideoPlaylistViewController" bundle:[NSBundle mainBundle]]; if ([str isEqualToString:@"Help"]) { [tabBarController.view removeFromSuperview]; [vpvc dismissModalViewControllerAnimated:YES]; [viewController presentModalViewController:hvc animated:YES]; [hvc release]; } if ([str isEqualToString:@"VideoPlaylist"]) { [hvc dismissModalViewControllerAnimated:YES]; [viewController presentModalViewController:vpvc animated:YES]; [vpvc release]; } } Can Somebody help me in solving the problem?

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• Is it possible to select data with max value for a column using Criteria in Hibernate?

  - by Palo

  Lets say I have the following mapping: <hibernate-mapping package="mypackage"> <class name="User" table="user"> <id name="id" column="id"> <generator class="native"></generator> </id> <property name="name" /> <property name="age" /> </class> </hibernate-mapping> Is it possible to select the oldest user (that is age is maximal) using Criteria in Hibernate? I can imagine that i could do this with 2 selects. (first select total number of users and then order the entries descending by age and select the first entry). But is it possible with a single select? Thank you Palo

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