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• A puzzle - a program printing its own source

  - by mfeingold

  Blast from the past. This is one of the puzzles from my early days: Can you write a method (a function) which when called outputs its own source - literally including all the quotes, indentations, etc? No cheating - no reading from a file

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• Disable a button on click

  - by Hitz

  I have a button control. Once the user clicks on it, the click event should fire and then the button should get disabled. How can I do this? I have the option to use JQuery or JavasSript or both. Here is my button declaration: <asp:Button ID="Button1" runat="server" Text="Click Me" onclick="Button1_Click" /> On the button click code behind, I have added a Response.Write(). That should get executed and then the button should be disabled

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• Custom link on embedded youtube video

  - by 0plus1

  I'm looking to direct the user on the channell webpage instead of the video url that I'm embedding. I've read the api and I didn't see any way to achieve this. I tried enclosing the embedded video in a and I added this code: $('#youtube').click(function() { document.write('http://www.youtube.com/user/trasportareoggi'); return false; }); And surprise it won't work. How, if it's even possible I can do this?

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• Why is the compiler not complaining about an additional ',' in Array or Object Initializers?

  - by Danvil

  Using simple type like class A { public int X, Y; } with object intializers, one can write var a = new A { X=0, Y=0 }; But the following is also accepted by the compiler: var a = new A { X=0, Y=0, }; // notice the additional ',' Same for int[] v = new int[] { 1, 2, }; This looks a bit strange ... Did they forgot to reject the additional ',' in the compiler or is there a deeper meaning behind this?

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• i have two tables in my sql database of 1 million records, is there a way to find out the non matchi

  - by sharma

  i have two large tables in a database. table 1 with 2 fields rank,name and table2 with 2 fields rank,name. both are of 1 million records. can you write php sql code to fetch those records which exists in table2 but does not exist in table1.

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• Resize form objects in Java

  - by PeerFull

  I have a Java applet, which is a form that draw shapes into it (Rect, Oval, Line). Each shape is represented by 2 points and can draw itself to the form. When the JApplet form resizes, I need to resize the shapes also while keeping the aspect ratio. I didn't find an high quality solution for doing this that solves this problem. Tried to write a solution from this, but it came up as lousy when tested, Can someone publish an example code for doing that please?

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• Facebook "share" functionality on a Rails site

  - by Euwyn

  Really neat how FB grabs meta-data from a link you type in the update status box, including thumbnails, etc. Is this something I should write from scratch in Jquery, or are there pre-built solutions that would help me here?

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• Is there a GUI which will enable me to query an XML file?

  - by Johnny

  hi, I have an XML file which I'd like to query (read/write) in the same way as I would a relational database. Performance is not a big issue, I just want to be able to load the file and start querying, preferably without having to define a schema. Does anyone know if such software exists?

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• How do I list all the files for a commit in git

  - by Philip Fourie

  I need to write a script that retrieves all files that were committed for a given SHA1. I have difficulty getting a nice formatted list of all files that were part of the commit. I have tried: git show a303aa90779efdd2f6b9d90693e2cbbbe4613c1d Although listing the files it also includes additional diff information that I don't need. I am hoping there is a simple git command that will provide such a list without me having to parse it from the above command.

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• Attach labels to items in TFS from the PowerBuilder IDE?

  - by DaveE

  We do this using the 'Advanced' button on the checkin dialog now (with Merant, nee PVCS) but the 'Advanced' button is disabled when I set TFS as my SCC provider. Is there a switch we can flip on either side to enable this? Or do we need to write some custom extension? Or can I get the TFS changeset number to associate with the change in PB? Or am I coming at doing selective builds entirely the wrong way?

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• Please suggest some good books about image analysis or image processing

  - by erjik

  I wish to become a good specialist in image processing, for example I want to know how to find barcodes or car plates and so on, anything that i think about, an apple on image. And then to do something more, for example decode the barcode or just write - this is an apple. So do you know a good book or online course?

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• How do I redirect to another page with ASP.NET?

  - by Sanctus2099

  I know it's a simple question but I really can't find anything on Google. Sorry if I'm not searching right. I created 2 pages and in the first one I have a button. What should I write in the C# code to change to redirect me on the second page? I usually know my way around C# but I'm totally new in ASP.

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• tiny URL api Automati in flex 3

  - by Oscar Navidad

  hello i am working in application of twitter in flex 3 and action script 3 , this in the text area when the user write my application automatically change http address to a short address but i don't know find the address within the text you can help me please.. thanks in advance

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• replace space with dash javascript

  - by ruru

  var html = "<div>"+title+"<br/>"; document.write(title.replace(/ /g,"-")); html+= '<p><a href="go.aspx?title=' + title + '">Details<\/a></p></div>'; hi all,i want to replace title space with dash

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• Parsing numbers at PreviewTextInput

  - by Nitin Chaudhari

  I have a WPF application in which I have a hook at PreviewTextInput, through that I get the currently entered character and I have the string already entered. Given this I need to write the following function : bool ShouldAccept(char newChar,string existingText) existingText can be comma seperated valid numbers(including exponential) and it should just return false when invalid characters are pressed. My code(if else based) currently has a lot of flaws, I wanted to know if there is any smart way to do it.

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• jquery find h2 tags and append into div

  - by SoulieBaby

  Hi all, I'm trying to write a bit of jquery which finds all h2 tags inside a div (.content), then appends each one into another div (.intro). So far I have this: var h2 = $(".content").find("h2"); $(h2).each(function() { $(this).append(".intro"); }); But it's not working.. if someone could help me out, that'd be great :)

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• Drupal: How can I run a custom function every time a user posts a comment?

  - by umegastar

  I'm using Drupal 6 and its core comment module. I want to run a custom funcion every time a user posts a comment, but I don't want to mess with the comment.module for obvious reasons. Is there a practical way I can do this in a custom module? If not, what are the alternatives as I don't want to write my own commenting system.

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• Hooking entity creation in SQLAlchemy

  - by Dan Ellis

  I want to write a SessionExtension that fires a 'Foo-created' event or 'Bar-created' event every time a new Foo or new Bar is committed to the database. However, once inside the after_commit method, I don't know where to find which entities have been committed. Where do I get this information?

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• Web Application Auditing

  - by Adonis L

  How can I audit a web application specifically database changes, when the application is connecting to the database as a system account? I would like to use a simple database trigger to write to an audit table but I am unsure of how I would be able to add the user that is logged on instead of the account that is actually doing the work. I have read a few articles on identity flow but I do not fully understand the concept.

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• Can we only use the back-end of wordpress without any front-end ?

  - by Tristan

  Hello, i just asked a question few minutes ago which led me to this one : I want to know if there is any chance to use only the back-end of wordpress ? I mean, link my admin interface to post news link my visitor interface on my website to the wordpress news so the visitor can access the news So the visitor never find out that i'm using wordpress to generate the news and handle their comments and write my news ? Maybe it's possible but there is no point by doing so ? Thank you

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• why is optional chaining required in an if let statement

  - by b-ryan ca

  Why would the Swift compiler expect me to write if let addressNumber = paul.residence?.address?.buildingNumber?.toInt() { } instead of just writing: if let addressNumber = paul.residence.address.buildingNumber.toInt() { } The compiler clearly has the static type information to handle the conditional statement for the first dereference of the optional value and each following value. Why would it not continue to do so for the following statements?

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• Can I read Captcha data from JavaScript in a secure way ?

  - by Space Cracker

  We use Captcha control in a registration form that we make full client validation for all fields in JavaScript ( JQuery ) beside server validation .. I tried a lot of ways but all will write the Captcha value in JavaScript that can be accessed by anyone :( I search if is there any way that allow me validate Captcha value in client side using JQuery in secure way or it can't be done ?

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• Is it bad to throw exceptions to trigger server errors, eg. 404 Page Not Found?

  - by Pheter

  I am working on a PHP framework and am currently designing error handling. Based on what I have read on SO, I should only use exceptions for, well, exceptional situations. Therefore throwing an exception when an incorrect password is entered is wrong. Should I avoid using exceptions when I want to trigger a server error? If so, should I write my own error handling class?

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• uitableview to fake a multifont uitextview

  - by John Smith

  has anyone used a uitableview to write a uitextview-like interface where I would be able to use multiple fonts? How would I arrange the table and responder?

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• Using the framework of the problems encountered SharpArch

  - by livebean

  I try to test SharpArch frame, directly in the provided example code to write some code to add test data, but unsuccessful, do not have any information to me! ICustomerRepository customerRepository = new CustomerRepository(); Customer customer = new Customer("Jack Chen"); customer.SetAssignedIdTo("JACKK"); customerRepository.Save(customer); I just had an instance of CustomerRepository operation, do not understand why there is no new data on the data table

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