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• Flex 1009 error Chart datatip

  - by JMcNally

  I am simply trying to hide a datatip on a chart if the hit data item (yfield item) is == 101 for two differnt series an areaseries and a line series. The following funciton works in IE but throws an error in firefox. I am new to flex and was wondering if there is a better way to approch this.. the code in // is causing the error. public function datatip_M_chart(e:HitData):String { //if (e.item.STUB == 101) {e.chartItem.itemRenderer.alpha = 0}// if (e.chartItem is AreaSeriesItem){ return'<b>'+COMBO.selectedLabel+'</b>'+ '<br/><i>Age: </i>' + e.item.STUB + '<br/><i>Percentage:</i> ' + e.item.M_PROP+'%'; }else{ return'<b>'+COMBO2.selectedLabel+'</b>'+ '<br/><i>Age: </i>' + e.item.STUB + '<br/><i>Percentage:</i> ' + e.item.M_PROP+'%'; }

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• Content cacheing with PHP and CodeIgniter

  - by Josh K

  I have a couple of things I'm working on, namely a page that issues five or six cURL requests and processing content on them. I'm working with CodeIgniter on a LAMP stack but am open to other options. Naturally I would prefer to not rewrite the application. I would like to know if there are any ready-made / easily learned caching methods. Primarily I'd like to check if the page has changed since I last scrapped it. If it has, redownload and present. If it hasn't, serve up a cached copy.

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• RegularExpressionValidator always fails, but ValidationExpression works in testing

  - by Jerph

  I found the answer to this, but it's a bit of a gotcha so I wanted to share it here. I have a regular expression that validates passwords. They should be 7 to 60 characters with at least one numeric and one alpha character. Pretty standard. I used positive lookaheads (the (?= operator) to implement it: (?=^.{7,60}$)(?=.*[0-9].*)(?=.*[a-zA-Z].*) I checked this expression in my unit tests using Regex.IsMatch(), and it worked fine. However, when I use it in a RegularExpressionValidator, it always fails. Why?

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• retrieved upload images in php

  - by hunter

  i want to retrieve image from client (ipod) programmed in objective c i use the following code $TARGET_PATH = "pics/"; $image = $_FILES['photo']; $TARGET_PATH =$TARGET_PATH . basename( $_FILES['photo']['name']); $TARGET_PATH =$TARGET_PATH.".jpg"; if(file_exists($TARGET_PATH)) { $TARGET_PATH =$TARGET_PATH .uniqid() . ".jpg"; } if (move_uploaded_file($image['tmp_name'], $TARGET_PATH)) { $TARGET_PATH="http://www.".$_SERVER["SERVER_NAME"]."/abc/".$TARGET_PATH; echo $TARGET_PATH; echo "image upload successfully";} else{ echo "could not upload image"; } this code upload five to six images successfully and after that it gives me error i.e Notice: Undefined index: photo in /home/abc/public_html/abc.com/fish/mycatch_post.php on line 42 Notice: Undefined index: photo in /home/abc/public_html/abc.com/fish/mycatch_post.php on line 53 could not upload image

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• How to add Transparency information to a HEX color code?

  - by TK123

  I have to modify some code and the previous developer left this comment: color: color, // e.g. '#RRGGBBFF' - Last 2 digits are alpha information On the page there is a color picker that let's the user change text color. It gives HEX values like so: #RRGGBB And there is a slider that allows the user to change a text's transparency. It runs from 0.1 to 1 Somehow I need to get a 2 digit letter from this transparency amount and append it to the HEX value for it to work. Does anyone know how to append Alpga information to HEX color codes? What is the math formula for it? I guess the question can also be answered if anyone knows how to concert RGBA color values with transparency into HEX: rgba(255, 255, 255, 0.6)

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• Breaking up large DataGridView for printing

  - by Hal

  Hey, I've got a single-row, 40 column-long DataGridView that i need to print. Since i can neither print it directly (because A4 sheets won't cut it ;)) nor adjust its width to the width of the page itself (because the headers look terrible), i wanted to break the DataGridView to 4 separate pieces and display 10 columns per row (imagine: column 1 to 10 in the first line, column 11 to 21 four or five lines below, etc...). Is there an easy way to do this? I was leaning towards a more manual approach (using fors), but i'd love to know if there's a more elegant way. Cheers

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• Detect NativeDragDrop to Trash or RecycleBin

  - by colder

  I will let user remove item from List with a cool method. Drag an item in adobe air List control and then drop it to Trash(OSX) or Recycle Bin(Win). The trash accept move drag action only. So I think I must set dragMoveEnable=true. When I drag an item to Recycle Bin on Windows. It show accept effect(alpha mask) and Air remove that object from List's dataProvider. So I can find which one is disappear. But when I drag to Trash on MacOSX. It show effect too. But Air do nothing for List. Maybe this is a bug. How can I avoid it? Are there any way to detect where dropped by user?

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• UITextView refuses to change its color

  - by Friendlydeveloper

  Hello, in some cases things you'd expect to solve within a sec turn out to become a lifetime adventure. This is one of these cases :) All I wanted to do, is simply change the text color of one of my UITextViews. So far I tried: UIColor *myColor = [UIColor colorWithHue:38 saturation:98 brightness:100 alpha:1.0]; [myTextView setTextColor:myColor]; OR UIColor *myColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"colorImage.png"]]; [myTextView setTextColor:myColor]; Both seem to work fine for UILabels, but fail for UITextView elements. When I try [UIColor colorWithHue... I only get a reddish kinda color, no matter what values I choose (except values for black and white. They work). The colorWithPatternImage does not change textColor at all. Strange isn't it? I obviously must be missing something. Help is very much appreciated. Thanks in advance.

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• Getting a SIGABRT error in dismissModalViewController

  - by mcalleja

  Im receiving a SIGABRT error when I cancel a MFMailComposeViewController, exactly in the dismissViewController, don't work I have a UIViewController within a UINavigationController. My Code: - (void)sendMail { if ([MFMailComposeViewController canSendMail]) { controller = [[MFMailComposeViewController alloc] init]; [[controller navigationBar] setTintColor:[UIColor getHexColorWithRGB:@"e2de09" alpha:1.0f]]; controller.mailComposeDelegate = self; [controller setSubject:@"Subject"]; NSString *msg="xxxxx"; [controller setMessageBody:msg isHTML:YES]; [self presentModalViewController:controller animated:YES]; } else { NSString * errorString = [NSString stringWithFormat:@"mail account not set."]; UIAlertView * errorAlert = [[UIAlertView alloc] initWithTitle:@"Error:" message:errorString delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil]; [errorAlert show]; } } The presentModalViewController:animated: works correctly. - (void)mailComposeController:(MFMailComposeViewController*)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError*)error { [self becomeFirstResponder]; [self dismissModalViewControllerAnimated:YES]; } But calling [self dissmissModalViewControllerAnimatedLYES] causes a SIGABRT error.

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• Time in "Upload Received"

  - by rpeck1682

  I uploaded an app to itunes connect yesterday afternoon. It has been in the "Upload Received" stage ever since then. I uploaded a different app today, it was in that stage for only five minutes. This is the first time I've submitted since the new, more detailed status updates were present. I'm just wondering if the app sitting there in that state for so long seems like something to be concerned about. I'm guessing by staying in that state that it isn't being put on the review queue. Anyways, has anyone else had a similar experience?

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• How to remove [^a-z\s] in C++

  - by Steven

  So far I have: int SimplifyText(char chars[], int length) { //To lower for(int i=0; i<length; i++) { chars[i] = tolower(chars[i]); } This function simplifies the text in the first argument which is an array containing the number of characters as given in the second argument The requirements are: tolower all remove all non-alpha characters replace multiple whitespace by one blank. Any leading whitespace at the beginning of the array should be removed completely. The resulting number of characters should be returned as the value of the function. And the annoying part: Another array cannot appear in the function Cannot use strings, only char arrays. Cannot using G++'s extension for setting an array size using a variable. Oh and can't use regex :) I'm stuck with this, any help would be great. :)

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• application Crash when assign multiple argu fun to dynamic button

  - by AJPatel

  for (int i=0;i<[tableDataSource count];i++) { NSDictionary *dict = [tableDataSource objectAtIndex:i]; rowText = [dict objectForKey:@"title"]; UIButton *btn = [UIButton buttonWithType: UIButtonTypeRoundedRect]; [btn setTitle:rowText forState:UIControlStateNormal]; [btn addTarget:self action:@selector(myActionbtnText:) forControlEvents:UIControlEventTouchUpInside]; btn.frame = CGRectMake(60, 40+2*(40*i), 200, 40); btn.alpha = 0.81; [self.view addSubview:btn]; } I got error at assign Action to dynamic button MY action is given Below -(void) myAction:(NSString *)btnText; { NSLog(@"%@ Button Clicked",btnText); }

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• How to calculate the state of a graph?

  - by zcb

  Given a graph G=(V,E), each node i is associated with 'Ci' number of objects. At each step, for every node i, the Ci objects will be taken away by the neighbors of i equally. After K steps, output the number of objects of the top five nodes which has the most objects. Some Constrains: |V|<10^5, |E|<2*10^5, K<10^7, Ci<1000 My current idea is: represent the transformation in each step with a matrix. This problem is converted to the calculation of the power of matrix. But this solution is much too slow considering |V| can be 10^5. Is there any faster way to do it?

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• In the context of an asp.net website, what's the most efficient way to check whether a User has acce

  - by scaramouch

  I have a webpage that you pass in an id parameter (via a querystring), which it then uses to fetch data from a database. Typically, a user would navigate to this page from another page that lists only those records that the user has access to. However, if they go directly to the page by typing in the URL in the Address Bar, they can effectively view any record they like. Eg. If they were to type something like http://localhost/TestSite/ClientAdmin/ManageLocation.aspx?LocationID=5 into their Address Bar, they can access the database record with the LocationID equal to five - even though they shouldn't have access to it. Now, I could solve this by doing a database check every time the page is loaded to see whether the current user has access to the record they're trying to view. However this doesn't seem very efficient given that in most cases a user won't be trying to access a record that isn't theirs. Does anyone have a better suggestion? Thanks.

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• WPF - collapsing grid cells

  - by user553765

  Hi, I'm having some problems with the layout of buttons on a screen. There are a number of buttons with the visibility set to collapsed depending on certain criteria. Anyway, with the buttons sitting in a stackpanel, the contents determine the width of the buttons. Because these should share the same size, I put them in a grid where the columns are using the SharedSizeGroup. Having done this, buttons now all share the same width, the smallest width needed to display the button with the largest content. What it does mean though is that buttons don't display at the required position. That is - assume five buttons in columns 0-4 where the first button is collapsed, buttons should ideally all shift to the left so that they always occupy space left to right. Is there any way I can accomplish this or, if not, how can I get buttons in a stackpanel to share the same width? Any help is much appreciated.

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• Beginner SQL question(s)

  - by unit

  I am two months in to an intro sql course, it's late at night, and I am drawing a blank. I have two tables, one customers, and one orders. I have to increase any customers credit limit by twenty five percent for all customers who have made two or more orders in which each order is more than the amount of 250.00. I get how to UPDATE CreditLimit * 1.25 and Cust with an order 250, but how the hell do I get it to check if they have made two orders over 250? Second question, we are just starting to take subqueries, and I am having a difficult time getting it into my skull. Another question posed by the prof of our class is to increase the credit limit of a customer who has an order that exceeds their credit limit. (Credit limit is on a customers table, order and amount are on an orders table). I then take that customer and UPDATE his CreditLimit +1000. Thanks for any help.

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• Is PThread a good choice for multi-platorm C/C++ multi-threading program?

  - by RogerV

  Been doing mostly Java and smattering of .NET for last five years and haven't written any significant C or C++ during that time. So have been away from that scene for a while. If I want to write a C or C++ program today that does some multi-threading and is source code portable across Windows, Mac OS X, and Linux/Unix - is PThread a good choice? The C or C++ code won't be doing any GUI, so won't need to worry with any of that. For the Windows platform, I don't want to bring a lot of Unix baggage, though, in terms of unix emulation runtime libraries. Would prefer a PThread API for Windows that is a thin-as-possible wrapper over existing Windows threading APIs. ADDENDUM EDIT: Am leaning toward going with boost:thread - I also want to be able to use C++ try/catch exception handling too. And even though my program will be rather minimal and not particularly OOPish, I like to encapsulate using class and namespace - as opposed to C disembodied functions.

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• iPad: How can I implement a scrolling timeline using a static image?

  - by BeachRunnerJoe

  I'm diving into iOS development and I'm building a simple timeline app using a static timeline image that I already have. The timeline image won't fit on the screen. The width of the image is about five times the width of the iPad screen, so I have to allow the user to scroll the image horizontally. Here's a mockup... For each item on the timeline, the user can tap it to receive a description at the bottom of the screen. My questions are... I was planning to use a UIScrollView with a PageControl at the bottom. Can a UIScrollView hold a single view that holds the entire timeline image or do I have to break the the timeline image up into multiple views? Are there any performance issues I need to consider when implementing this with a UIScrolLView, using a static image? Are there other approaches to implementing this scrollable timeline that I should consider other than using a UIScrollView? Thanks so much in advance for your wisdom!

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• Persistent UDP sessions on Android

  - by Wedgeski

  I have a client-server app which requires me to maintain a persistent session over UDP. The goal is to maintain a path from the server to the mobile Android device no matter what route it has to the internet (WiFi or mobile network). This is achieved using a proprietary, well-tested session-management protocol over UDP. I need the phone to be able to maintain, say, a five-minute keep-alive with the server at all times. Ideally I would like to do this without maintaining any wake-locks on the device. I don't want the screen to light up every time I send a UDP to the server, for example, and I don't want to have a damaging effect on battery usage. Has anyone addressed this problem?

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• object consisting of jQuery element

  - by Adam Kiss

  hello, current code I've built function to do something over collection of jQuery elements: var collection = $([]); //empty collection I add them with: collection = collection.add(e); and remove with: collection = collection.not(e); It's pretty straightforward solution, works nicely. problem Now, I would like to have an object consisting of various settings set to any jQuery element, i.e.: function addObject(e){ var o = { alpha: .6 //float base: {r: 255, g: 255, b: 255} //color object } e.data('settings', o); } But when I pass jQuery object/element to function (i.e. as e), calling e.data doesn't work, although it would be simplest and really nice solution. question If I have an "collection" of jQuery elements, what is the simplest way of storing some data for each element of set?

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• Android:simulating 1-bit display

  - by user1681805

  I'm new to Android,trying to build a simple game which use 1-bit black and white display.the screen dimension is 160 * 80,that is 12800 pixels.I created a byte array for the "VRAM",so each time it draws,it first checks the array. The thing is that I am not drawing a point or rectangle for each pixel,I'm using 2 bitmaps(ARGB_4444,I have to use alpha channel,because of shadow effect),1 for positive and 1 for negative.So I called 12800 times drawBitmap() in the surfaceView's Draw method.I know that's silly...But even for openGL,12800 quards won't be that fast right? Sorry..I cannot post imgs.the link of screenshot:http://i1014.photobucket.com/albums/af267/baininja/Screenshot_2013-10-22-01-05-36_zps91dbcdef.png should i totally give up this and draw points on a 160*80 bitmap then scale it to intented size?But that loses the visual effects.

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• Can I preload multiple video resources to load in the same HTML5 <video> element?

  - by Sergio1132

  I'm working out details on a web application which involves the sequential loading of a long series of (very short) video clips, one after the other, with occasional input from the user establishing new directions for which video clips to load. I would like to be able to have the browser preload the video clips five at a time. However, the way that we currently have the site working is by means of a single video element which is having its src attribute continually updated through JavaScript. So, my question is, is there a straightforward way I can get the browser to preload multiple video clips even though I am ultimately loading them all (one at a time) into the same video element? This is my first question here, so let me know if I could have phrased that better...

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• How do i find dynamic average for not the 20 input boxes

  - by alpho07

  How do i find dynamic average for not the 20 input boxes with ".num" class but even just five out of 20. I have done it as below but it won't work $.fn.sumValues = function() { var sum = 0; this.each(function() { if ( $(this).is(':input') ) { var val = $(this).val(); } else { var val = $(this).text(); } sum += parseFloat( ('0' + val).replace(/[^0-9-\.]/g, ''), 10 ); }); return sum.toFixed(2); }; $(document).ready(function() { $('input.price').bind('keyup', function() { $('span.total').html( $('input.price').sumValues()/$('.num').length ); }); });

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• Would it be possible for web browsers to automatically update rendering engines?

  - by unknowing

  As a way to prevent the major annoyances of browser segmentation and older versions. This way the code would only need to be done for the latest version of the browser, but users could still have the functionality of the older version and not be forced to do major updates? I am sure there will be some major flaws in this, and I would like you to tell me what they are! -Obviously, people may not want this as often auto-updating is frowned upon, however Chrome does it (or at least, they used to); Without a manual check, Chrome will update itself automatically, Google said. "Google Chrome will automatically checks for updates approximately every five hours. If an update is available, it will be downloaded and applied at the next browser restart," Google said. -there is still the problem of getting users from the really old ones onto the any new browsers that have this functionality -To prevent exploits in terms of updates, maybe they could have a 7 day opt-in period before being pushed out to everyone?

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• log (1-var) operation in C

  - by heike

  I am trying to code this algorithm. I am stuck in the part of log((1.0-u)/u))/beta; As I understand, I can not get the result of this in C, as it will always return me with negative value log (returning imaginary value). Tried to print the result of log(1-5) for instance, it gives me with Nan. How can I get the result of double x = (alpha - log((1.0-u)/u))/beta then? Would appreciate for any pointers to solve this problem. Thank you

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