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• Lightbox effect with Jquery

  - by Sarfraz

  Hello, I just wanted to know how to create lightbox effect with JQuery, I mean let's suppose I have div, and when i click some button it shows that div at the center of the browser window across all browsers with a transparent background behind. In this div i could show just about anything including a form, image, or some text so it becomes sort of stylish alert box. So how to: Center a div across all browsers and behind this div put a transparent background covering entire screen of browser. Note: I know there are a host such effects out there, i just want to know how do i create a simple centered div with transparent background behind. So please don't suggest any pre-made solution, would be great if you could write sample code for that. Thanks

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• Div that follows scroll (not position:fixed)

  - by Ricardo Mustra

  I found it sometime ago and now I can't. I want to find something like the shopping cart at the apple store, it's a div thats not positioned absolute nor fixed, for instance, let's say it's at the center of the screen, and only when you scroll down it follows the scroll only to not disappear, when it reaches the border of the browser header... I'm not sure If i'm being clear. I've searched but all I found is the css position fixed stuff. Can you help me with a link or something? Best Regards

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• iOS sdk question: how do I cast a UIView to a UIImage View (alternativly how do I get a UIImageView from a GestureRecognzer?)

  - by user439299

  Desired end result: user taps a UIImageView and the image changes to another image (a subsequent tap returns the image to the original state) Problem: I add a (unique) selector to a bunch of UIImageViews (in an array) and point the action at the same function - let's call this function imageTapped: for now. Here is my code so far: -(void)imageTapped:(UITapGestureRecognizer *)tapGesture { UIImageView *view = tapGesture.view; // rest of code... } This code actually works fine but gets a warning when I run it: "Incompatible objective c types initilizing 'struct UIView *', expected 'struct UIImageView *' Any way to get rid of this? Not sure how casting works in objective c... primitive types seem to work fine such as (int)someFloat works fine but (UIImageView)someUiView doesn't work. Like I said, code works alright when I run it but would like to get ride of the compiler warning. Any help would be awesome.... I am very new to objective c (or any non java language for that matter) so be gentle. Thanks in advance.

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• How to display Youtube videos in a jQuery lightbox (Wordpress)?

  - by janoChen

  I tried lightbox-plus, fancybox, etc... But I couldn't figure how to do it. Those videos are images posts with a link containing a Youtube video: <p><a href="http://www.youtube.com/watch?v=zUN826BdvV4"> <img class="alignnone size-thumbnail wp-image-40" title="Screenshot" src="http://localhost/custom-post-type/ wp-content/uploads/2011/01/Screenshot2-150x150.png" alt="" width="150" height="150" /></a></p> Fancybox for Wordpress, for example, let me add a lightbox to images, but if the image links to a Youtube video it doesn't work. Any suggestions?

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• Google Chrome window.open height includes URL bar

  - by andyjeffries

  When we open a window using: window.open("/calendar",'calendar','width=950,height=576,titlebar=no,statusbar=no,menubar=no,resizable=no,scrollbars=no'); Firefox 3 and IE 7 open it to have a content area height of 576 plus the browser items (URL bar, status bar, etc). Chrome however opens it to have a total height of 576 meaning a scrollbar appears to the right of the content (and then the bottom because the width is now reduced). How can I get around this? It's for a heavy layout part of a web app so it's not just a matter of "let the user scroll", the client doesn't want that. Has anyone come across this? I don't mind browser sniffing and opening the window bigger, but I know that's yucky these days.

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• C# new class with only single property : derive from base or encapsulate into new ?

  - by Gobol

  I've tried to be descriptive :) It's rather programming-style problem than coding problem in itself. Let's suppose we have : A: public class MyDict { public Dictionary<int,string> dict; // do custom-serialization of "dict" public void SaveToFile(...); // customized deserialization of "dict" public void LoadFromFile(...); } B: public class MyDict : Dictionary<int,string> { } Which option would be better in the matter of programming style ? class B: is to be de/serialized externally. Main problem is : is it better to create new class (which would have only one property - like opt A:) or to create a new class derived - like opt B: ? I don't want any other data processing than adding/removing and de/serializing to stream. Thanks in advance!

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• Threading and cores

  - by Matt

  If I have X cores on my machine and I start X threads. Let's assume for the sake of argument that each thread is completely separated in terms of the memory, hdd, etc it uses. Is the OS going to know to send each thread to a core or do more time slicing on one core for multiple threads. What the question boils down to, is if I have X cores and my program must do independent calculations, should I start X threads, will they each get piped to a core, or is the presumption that because I have X cores I can start X threads completely wrong? I'm thinking it is. This is with C# --

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• Emailing a picture to a Google App Engine site

  - by Dan Hook

  I would like to create an app such that I can send an email with a JPEG attachment and then display it on my site. I am fairly certain that the Mail API allows me to do this, but if it isn't possible please let me know. My biggest concern is what are the limits on the attachment size my app can receive, and what are the quotas related to receiving email? The email quotas I saw seemed to specify quotas for outgoing email. Is it different for incoming mail?

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• Question about software that tracks divs better than notepad++

  - by Jeff

  I recently got hired as a web developer, and the project that I am overseeing has a formatting issue on one of the pages because one of the divs is out of whack. It is a fairly complex page with quite a bit of php, and from what I can gather, I am missing a </div> tag somewhere, and accordingly everything is messed up. I am currently using notepad++, which is decent at lining up divs, meaning that if you click on the opening div tag, it will highlight purple and also highlight the closing one. But it seems as though if you have div tags that span several lines (hundreds) it won't work. Has anyone else run into a similar situation? Is there a better editor I could be using that would do a better job of helping me with my div issue? Or do I have to go through and line up the divs 1 by 1? (there are like over 100). Please let me know!! Thanks

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• How to get the innerHTML of a XML document (AJAX)?

  - by JCOC611

  After an AJAX query, a XML file is returned. I'm able to "parse" that file, but when it comes to getting the "innerHTML" (or in this case "innerXML" lol) of an element, I fail. If the XML element, let's say "content", only contained text I could do: content.childNodes[0].nodeValue (assuming that content references the XML element "content"). But that element contains other elements: <stackoverflow reason="tribute to this page"> <content> <div><span><p>Some more HTML elements</p></span></div> </content> </stackoverflow> I need to copy the content of <content> to an existing <div> in the page, how could I do that? Ex. myDiv.innerHTML = content.innerHTML;

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• jQuery display problem?

  - by SLAPme

  How do I hide the #changes-saved code using jQuery? For example let's say the code is displayed when the user clicks the submit button and then leaves the current web page and then returns back to the web page and the #changes-saved is no longer displayed until the submit button is clicked again. Here is the jQuery code. $(function() { $('#changes-saved').hide(); $(".save-button").click(function() { $.post($("#contact-form").attr("action"), $("#contact-form").serialize(), function(html) { $("div.contact-info-form").html(html); $('#changes-saved').append('<li>Changes saved!</li>').show().pause(1000).hide(); }); return false; // Prevent normal submit. }); });

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• Datagrid binding 2 datafiled under one column along with an image?

  - by prince23

  hi, here i am performing nested grid operation where in my first datagrid . have name,age,address once user clicks the row we will be showing another grid that is with data Subject name and Score untill here the functionality works fine . 1:now the Question is that i should be displaying an image along with score in the same column( how can i achive this one) 2:Depending on the score i need to show an image( binding different image based on score) 1 :that is if score is 20 show ( ~images/image1.jpg) 2 :that is if score is 40 show ( ~images/image2.jpg) 3 :that is if score is 20 show (~images/ image3.jpg) output [ in a grid format] subject score science 45 image3 maths 50 image2 Computer 60 image1 general 78 image1 how do we solve this issue . any idea how to go ahead. please let me know. hope my question is clear thanks in advance prince

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• Is modifying a file without writing a new file possible in c++?

  - by Phenom

  Let's say I have a text file that is 100 lines long. I want to only change what is in the 50th line. One way to do it is open the file for input and open a new file for output. Use a for-loop to read in the first half of the file line by line and write to the second file line by line, then write what I want to change, and then write out the second half using a for-loop again. Finally, I rename the new file to overwrite the original file. Is there another way besides this? A way to modify the contents in the middle of a file without touching the rest of the file and without writing everything out again? If there is, then what's the code to do it?

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• how to store a date, and then check to see if another date matches that date

  - by user797963

  I'm trying to figure out dates in Java and am completely lost. Do I use Date? Use epoch time? Gregorian Calendar? Let's say I have a want to store a date, then later compare it to other dates. For example, I've stored a date "10/27/2013". Then, I want to later compare it to dates entered later to see if a later date is identical to "10/27/2013", or if just the day, year, or month matches? What's the best way to do this?

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• SEO on a login based website

  - by Paul

  Ok so say I have a website that the majority of content is behind a closed door, login screen for paying customers only. How can I let google know what is there so people can find the site through a search engine. What programming techniques could I use to give more content to the google bot. I will have some overview and demonstration screens to tempt the users but will these five to ten pages of content be enough for the search engines. The key work is quite a highly sort one and there is quite alot of competition. And before anyone asks the site is not a subscription porn site (Sadly)

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• download authentication?

  - by Sahat

  Hi I am sorry if this question has been asked before but I am looking for some sort of download authentication. In other words if I am going to give the user a link to a file, I want to make sure only that person will get it, and get it only once! Is there a simple solution without setting up the whole database. Even better if it's possible to have an ecrypted web link that will let you download a file from my FTP server just once, after that the link becomes invalid. Thanks.

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• [Java]Queue in while loop, cannot modify the value?

  - by javaLearner.java

  This is my code: Iterator it = queue.iterator(); while(it.hasNext()){ random = randNumber(1,2); if(random == 1){ queue.poll(); } else { queue.add("new"); queue.poll(); } } It gives me: Exception in thread "test" java.util.ConcurrentModificationException at java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:761) at java.util.LinkedList$ListItr.next(LinkedList.java:696) Edit @Jon Skeet: What I want to do is: I have a queue list in, let say the size is 10, lets say: a,b,c,d ... j Generate a number between 1 and 2. if 1, pull (remove the top element) else if 2 add new element I will stop the loop until I added 3 new elements

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• C#: protecting trial releases

  - by anfono

  I want to provide a trial version of my software. This version should only be evaluated within a specific period of time. Let's say only during January 2011. As this software massively uses the system clock in processing, it would be quite annoying to set the clock to an earlier time to be able to use it over and over. So because of this, I wound't think of a more complicated protection mechanism. So I have thought about exiting after a test like: if (DateTime.Now.Year != 2011 && DateTime.Now.Month != 1) { MessageBox.Show("expired!"); Application.Exit(); } How easy will this be cracked :-) ? Is there a "safe" way to do this ?

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• How do I .MatchCase and .WholeWord?

  - by Tanner

  Hello, Ive been making a find, find next function for my richtextbox, so I have these check boxes to let the user search by whole word or case sensitive or both, and I got the first two, to work but I can't get it to work with both case a whole word checked, here's my code: if (isWhole == true && isCase == true) { string searchText = Form2.text; this.Focus(); richTextBox1.Focus(); findPos = richTextBox1.Find(searchText,findPos,richTextBox1.Text.Length, RichTextBoxFinds.WhatGoesHere?); richTextBox1.Select(findPos, searchText.Length); findPos += searchText.Length; } But there's no option for wholeword and matchcase so is there any way to do this with .Find()?

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• Class member variables, methods and their state

  - by codeMonkey

  How should class member variables be used in combination with class methods? Let's say I have a class 'C' with a member variable 'someData'. I call C.getData(), which does not return a value but instead puts data in C.someData. The class that instantiated 'C' first calls C.getData and then uses the data by accessing the member variable C.someData. I call C.getData() in the class that instantiated 'C' which is a function that returns data. I myself prefer the second way. But it also depends on the situation and it's a small difference. Is it 'bad' to have class methods that depend on the classes internal state? What are the best conventions?

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• Is there a Javadoc-like plugin for Xcode that automatically generates the doc template?

  - by Mark

  I'm aware of Doxygen to generate the documentation. What I'm looking for is quick way to insert documentation in Xcode similar to what Eclipse does when editing Java files. Let's say I have an objective-c method with a couple of arguments like this: -(NSInteger*) sumOf: (NSInteger*) one and:(NSInteger*) two {... In Eclipse, if you place the cursor above the method and type: /**<Enter> you get a Javadoc template pre-populated with @param and @return tags. Is it possible to achieve something similar in Xcode? After typing /**<Enter>, I'd like to get this automatically: /** * * @param one * @param two * * @return */ -(NSInteger*) sumOf: (NSInteger*) one and:(NSInteger*) two {...

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• Create a basic matrix in C (input by user !)

  - by DM

  Hi there, Im trying to ask the user to enter the number of columns and rows they want in a matrix, and then enter the values in the matrix...Im going to let them insert numbers one row at a time. How can I create such function ? #include<stdio.h> main(){ int mat[10][10],i,j; for(i=0;i<2;i++) for(j=0;j<2;j++){ scanf("%d",&mat[i][j]); } for(i=0;i<2;i++) for(j=0;j<2;j++) printf("%d",mat[i][j]); } This works for inputting the numbers, but it displays them all in one line... The issue here is that I dont know how many columns or rows the user wants, so I cant print out %d %d %d in a matrix form .. Any thoughts ? Thanks :)

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• JQuery selector: pass on id from array into function

  - by user347256

  I have a list of items <div id="item1">somestuff</div> <div id="item2">somestuff</div> <div id="item3">somestuff</div> When someone clicks on one of these, I need to take some actions based on the id (the number). Let's say hide it. How can I make the function generic, and how can I pass the id into the function? $(document).ready(function() { $("#item-howcanImakethisselectorgeneric?").click(function () { $("#item-andhowcanIpasshteidintohere?").hide(); } } I'm a javascript/jquery newbie, any help (including rtfm) appreciated.

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• Compare images to find differences

  - by _simon_

  Task: I have a camera mounted on the end of our assembly line, which captures images of produced items. Let's for example say, that we produce tickets (with some text and pictures on them). So every produced ticket is photographed and saved to disk as image. Now I would like to check these saved images for anomalies (i.e. compare them to an image (a template), which is OK). So if there is a problem with a ticket on our assembly line (missing picture, a stain,...), my application should find it (because its image differs too much from my template). Question: What is the easiest way to compare pictures and find differences between them? Do I need to write my own methods, or can I use existing ones? It would be great if I just set a tolerance value (i.e. images can differ for 1%), put both images in a function and get a return value of true or false :) Tools: C# or VB.NET, Emgu.CV (.NET wrapper for OpenCV) or something similar

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• C++ runtime, display exception message

  - by aaa

  hello. I am using gcc on linux to compile C++ code. There are some exceptions which should not be handled and should close program. However, I would like to be able to display exception string: For example: throw std::runtime_error(" message"); does not display message, only type of error. I would like to display messages as well. Is there way to do it? it is a library, I really do not want to put catch statements and let library user decide. However, right now library user is fortran, which does not allow to handle exceptions. in principle, I can put handlers in wrapper code, but rather not to if there is a way around Thanks

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