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  • Darth Vader Wins Big [Humorous Comic]

    - by Asian Angel
    Everyone’s favorite Star Wars villain receives a notice in the mail saying he won a contest, but did he really hit it big or is karma dishing out some payback? Note: Make sure to take a close look at the letter shown in the second panel for an additional laugh! Darth Vader Wins Big (Dorkly) [via Neatorama] HTG Explains: Why Linux Doesn’t Need Defragmenting How to Convert News Feeds to Ebooks with Calibre How To Customize Your Wallpaper with Google Image Searches, RSS Feeds, and More

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  • LEGO Lord of the Rings – The Orcs Point of View [Video]

    - by Asian Angel
    Everyone is familiar with the main storyline from Lord of the Rings, but there are yet untold tales waiting to be heard. This humorous video presents part of the story from the Orcs’ point of view. LEGO Lord of the Rings: Orcs [via BoingBoing] HTG Explains: Why Do Hard Drives Show the Wrong Capacity in Windows? Java is Insecure and Awful, It’s Time to Disable It, and Here’s How What Are the Windows A: and B: Drives Used For?

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  • The Lord of the Rings Project Charts Middle Earth by the Numbers

    - by Jason Fitzpatrick
    How many characters from the Lord of the Rings series can you name? 923? That’s the number of entries in the LOTR Project–a collection of data that links family trees, timelines, and statistical curiosities about Middle Earth. In addition to families trees and the above chart mapping out the shift in lifespans over the ages of Middle Earth, you’ll find charts mapping out age distributions, the race and gender composition of Middle Earth, populations, time and distance traveled by the Hobbits in pursuit of their quest, and so more. The site is a veritable almanac of trivia about the Lord of the Rings and related books and media. Hit up the link below to explore the facts and figures of Middle Earth. LOTR Project [via Flowing Data] How Hackers Can Disguise Malicious Programs With Fake File Extensions Can Dust Actually Damage My Computer? What To Do If You Get a Virus on Your Computer

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  • LEGO Lord of the Rings Cut Scenes Spliced into a Full Length Movie [Video]

    - by Jason Fitzpatrick
    If you take all the cut scenes from the LEGO Lord of the Rings video game and splice them end-to-end, the result is an hour and a half LEGO Lord of the Rings movie. Check out the full video here. Courtesy of SpaceTopGames, this mega splice includes every cut scene from the video game, weighs in at one hour and thirty one minutes, and actually works really well as a movie when strung all together. LEGO Lord of the Rings – All Cutscenes [via Freeware Genius] HTG Explains: Does Your Android Phone Need an Antivirus? How To Use USB Drives With the Nexus 7 and Other Android Devices Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder?

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  • See the Lord of the Rings Epic from the Perspective of Mordor [eBook]

    - by ETC
    Much like the wildly popular book “Wicked” mixed up the good/bad dichotomy in the Wizard of Oz, “The Last Ring-Bearer” shows us the Mordor’s take on the Lord of the Rings. The work of a Russian paleontologist, Kirill Yeskov, “The Last Ring-Bearer” frames the conflict in the Lord of the Rings from the perspective of the citizens of Mordor. Salon magazine offers this summary, as part of their larger review: In Yeskov’s retelling, the wizard Gandalf is a war-monger intent on crushing the scientific and technological initiative of Mordor and its southern allies because science “destroys the harmony of the world and dries up the souls of men!” He’s in cahoots with the elves, who aim to become “masters of the world,” and turn Middle-earth into a “bad copy” of their magical homeland across the sea. Barad-dur, also known as the Dark Tower and Sauron’s citadel, is, by contrast, described as “that amazing city of alchemists and poets, mechanics and astronomers, philosophers and physicians, the heart of the only civilization in Middle-earth to bet on rational knowledge and bravely pitch its barely adolescent technology against ancient magic.” Hit up the link below to grab a PDF of the official English translation of Yeskov’s work. The Last Ring-Bearer [via Salon] Latest Features How-To Geek ETC How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions How to Enable User-Specific Wireless Networks in Windows 7 How to Use Google Chrome as Your Default PDF Reader (the Easy Way) How To Remove People and Objects From Photographs In Photoshop Ask How-To Geek: How Can I Monitor My Bandwidth Usage? Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Lucky Kid Gets Playable Angry Birds Cake [Video] See the Lord of the Rings Epic from the Perspective of Mordor [eBook] Smart Taskbar Is a Thumb Friendly Android Task Launcher Comix is an Awesome Comics Archive Viewer for Linux Get the MakeUseOf eBook Guide to Speeding Up Windows for Free Need Tech Support? Call the Star Wars Help Desk! [Video Classic]

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  • Game physics presentation by Richard Lord, some questions

    - by Steve
    I been implementing (in XNA) the examples in this physics presentation by Richard Lord where he discusses various integration techniques. Bearing in mind that I am a newcomer to game physics (and physics in general) I have some questions. 15 slides in he shows ActionScript code for a gravity example and an animation showing a bouncing ball. The ball bounces higher and higher until it is out of control. I implemented the same in C# XNA but my ball appeared to be bouncing at a constant height. The same applies to the next example where the ball bounces lower and lower. After some experimentation I found that if I switched to a fixed timestep and then on the first iteration of Update() I set the time variable to be equal to elapsed milliseconds (16.6667) I would see the same behaviour. Doing this essentially set the framerate, velocity and acceleration to zero for the first update and introduced errors(?) into the algorithm causing the ball's velocity to increase (or decrease) over time. I think! My question is, does this make the integration method used poor? Or is it demonstrating that it is poor when used with variable timestep because you can't pass in a valid value for the first lot of calculations? (because you cannot know the framerate in advance). I will continue my research into physics but can anyone suggest a good method to get my feet wet? I would like to experiment with variable timestep, acceleration that changes over time and probably friction. Would the Time Corrected Verlet be OK for this?

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  • How to install Diablo 2 Lord of Destruction?

    - by user99666
    I first tried to install Diablo 2 LOD from an iso image using acetone iso. However, after acetone iso mounted the image, it said "Please install the labelled disc". I then tried with Gmount, and, following advice I received from some forums, I attempted to create mount points and then install; after it mounted the image, it installed the first three disc images but not the expansion. When I tried to play, it told me to insert the labelled disc, even though the iso image was still mounted with Gmount. How can I resolve this problem?

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  • The Battle of Helm’s Deep in LEGO [Video]

    - by Jason Fitzpatrick
    Not only is this an impressive rendering of the Lord of the Ring’s series Battle of Helm’s Deep, but the animator threw in some great cameos and jokes along the way. LEGO The Battle of Helm’s Deep [via Geeks Are Sexy] Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode HTG Explains: Does Your Android Phone Need an Antivirus?

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  • The Making of Middle Earth [Video]

    - by Jason Fitzpatrick
    The Lord of the Rings movie franchise was filmed in stunning New Zealand locations. The Hobbit continues that tradition; check out this mini-documentary to see the scouting process and take a sneak peek at the film. The Making of Middle Earth [via Mashable] How to Factory Reset Your Android Phone or Tablet When It Won’t Boot Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode

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  • Tolkien’s Rivendell Rendered in LEGO

    - by Jason Fitzpatrick
    If you’re a fan of all things geeky rendered in LEGO–and we certainly are–you’ll want to take a moment to appreciate this incredible model of the mythical Rivendell from the Lord of the Rings universe. Courtesy of builders Blake Baer and Jake Bittner, the behemoth model measures nearly 4×3 ft. in size, weighs 120 pounds, and required over 50,000 LEGO bricks. Hit up the link below to check out the full set of photos. Rivendell in LEGO [via Geeks Are Sexy] How To Switch Webmail Providers Without Losing All Your Email How To Force Windows Applications to Use a Specific CPU HTG Explains: Is UPnP a Security Risk?

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  • Why the Cave Troll in the ‘Mines of Moria’ was So Angry [Humorous LOTR Video]

    - by Asian Angel
    Did you ever wonder why the cave troll the Fellowship of the Ring met in the Mines of Moria was so angry? It all comes down to a certain Hobbit’s carelessness! LEGO The Cranky Cavetroll [via Geeks are Sexy] HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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  • LEGO – A Hobbit Halloween [Video]

    - by Asian Angel
    Pippin and Merry are up to their old pranks once again, but this time they quickly get in over their heads while looking to indulge in a bit of Halloween fun! LEGO A Hobbit Halloween [via Neatorama] What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8 HTG Explains: Why You Shouldn’t Use a Task Killer On Android

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  • The Fellowship of the Ringwraiths [Video]

    - by Asian Angel
    While we all know what happened during the events of the first LOTR movie for the Fellowship, there were some unanswered questions about the Ringwraiths and their activities. Here finally is your opportunity to see what really happened… Fellowship of the Ringwraiths [via Neatorama] How to Factory Reset Your Android Phone or Tablet When It Won’t Boot Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode

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  • ItemSearch totally different from Amazon.com search - What am I doing wrong?

    - by RadiantHex
    I'm using ItemSearch in order to get a list of books ordered by 'salesrank' aka 'bestselling', problem is that the books that pop up for any BrowseNode are totally different from the Amazon list. Test Case Author:"J R R Tolkien", SearchIndex:"Books", Sort:"salesrank" Using the API: J.R.R. Tolkien Boxed Set (The Hobbit and The Lord of the Rings) The Hobbit: 70th Anniversary Edition The Lord of the Rings: 50th Anniversary, One Vol. Edition The Legend of Sigurd and Gudrun The Silmarillion The Lord of the Rings The Children of Hurin The Fellowship of the Ring: Being the First Part of The Lord of the Rings The Return of the King: Being the Third Part of The Lord of the Rings Using Amazon.com Adv. Search: The Lord of the Rings (Trilogy) The Hobbit J.R.R. Tolkien Boxed Set (The Hobbit and The Lord of the Rings) The Legend of Sigurd and Gudrun The Lord of the Rings: 50th Anniversary, One Vol. Edition The Silmarillion The Fellowship of the Ring The Children of Hurin Lord of the Rings, The Return of the King, The (Vol 3) Help would very much appreciated

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  • How to install Diablo 2 Lord of Destrucion on Ubuntu 12.04?

    - by user99666
    I tried to install Diablo 2 LOD from my iso image first with acetone iso and I coldn't the acetone iso mounted me the image but when I tried to install it said please install the labelled disc so I give up for a while ... Then I tried with Gmount and on some forums it was told me to create mount points and the install it ... said and done the problem is that it mounts me the image it starts to install but only the first 3 disc images the expansion no ,so I said whatever it's ok even without the expansion but when i tried to play it says me insert the labelled disc but the iso image was still mounted with Gmount .Now somebody can help me please to resolve this problems ?

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  • Append/Add Child Div (jQuery) for Messaging System

    - by Lord Varlin
    So, I'm having difficulty trying to append/add a child div to the parent div, and thought someone out here may know the best way for me to go about this. I have attached my code (without PHP right now, just hard coding text and stuff). But here is what I am trying to do: When a message is posted, you hit the "Reply Button" and a new div will appear underneath containing the reply form. Right now, here are the issues I know about and can't get around: The DIV is a class, so when I use jQuery to try to target the DIV it targets everything since it's no unique. The Reply Button is also a class, so it's not unique. Here is a video of it in action: http://tinypic.com/r/2luxwnr/7 HTML <body> <div id="content-container"> <div id="message-viewer"> <div class="roar"> <div class="roaractionpanel"> <div id="msg-business2"></div> <div class="roartime"><p class="roartime-text">3:26PM</p></div> </div> <div class="roarcontent"> <button type="submit" class="btn-reply"></button> <h5>Test Post</h5><br> <h6>Lord Varlin</h6><br> <h2>Test post... let's see.</h2> </div> </div> <div class="newreply"> <div class="newreplycontent"> <h1>This is where the fields for a new reply will go.</h1> </div> </div> <div class="roar"> <div class="roaractionpanel"> <div id="msg-business2"></div> <div class="roartime"><p class="roartime-text">3:26PM</p></div> </div> <div class="roarcontent"> <button type="submit" class="btn-reply"></button> <h5>Testing another</h5><br> <h6>Lord Varlin</h6><br> <h2>Hmm dee dumm...</h2> </div> </div> <div class="roarreply"> <div class="roarreply-marker"> <p class="roarreplytime-text">June 26th @ 4:42AM</p> </div> <div class="roarreplycontent"> <h9>Testing a reply. Hmmmm.</h9><br> <h8>Lord Varlin</h8> </div> </div> <div class="newreply"> <div class="newreplycontent"> <h1>This is where the fields for a new reply will go.</h1> </div> </div> <div class="roar"> <div class="roaractionpanel"> <div id="msg-business2"></div> <div class="roartime"><p class="roartime- text">3:26PM</p></div> </div> <div class="roarcontent"> <button type="submit" class="btn-reply"></button> <h5>Testing another</h5><br> <h6>Lord Varlin</h6><br> <h2>jQuery, work with me please.</h2> </div> </div> <div class="roarreply"> <div class="roarreply-marker"> <p class="roarreplytime-text">June 26th @ 4:42AM</p> </div> <div class="roarreplycontent"> <h9>Testing a reply. Hmmmm.</h9><br> <h8>Lord Varlin</h8> </div> </div> <div class="roarreply"> <div class="roarreply-marker"> <p class="roarreplytime-text">June 26th @ 4:42AM</p> </div> <div class="roarreplycontent"> <h9>Testing a reply. Hmmmm.</h9><br> <h8>Lord Varlin</h8> </div> </div> <div class="newreply"> <div class="newreplycontent"> <h1>This is where the fields for a new reply will go.</h1> </div> </div> </div> </div> </body> JQUERY $(".btn-reply").click(function() { $(".newreply").toggleClass("show"); return false; }); So, I see the flaws, but I just can't wrap my head around how to pull this off! Any guidance would be awesome! :)

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  • Django: query with ManyToManyField count?

    - by AP257
    In Django, how do I construct a COUNT query for a ManyToManyField? My models are as follows, and I want to get all the people whose name starts with A and who are the lord or overlord of at least one Place, and order the results by name. class Manor(models.Model): lord = models.ManyToManyField(Person, null=True, related_name="lord") overlord = models.ManyToManyField(Person, null=True, related_name="overlord") class Person(models.Model): name = models.CharField(max_length=100) So my query should look something like this... but how do I construct the third line? people = Person.objects.filter( Q(name__istartswith='a'), Q(lord.count > 0) | Q(overlord.count > 0) # pseudocode ).order_by('name'))

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  • Render 2 images that uses different shaders

    - by Code Vader
    Based on the giawa/nehe tutorials, how can I render 2 images with different shaders. I'm pretty new to OpenGl and shaders so I'm not completely sure whats happening in my code, but I think the shaders that is called last overwrites the first one. private static void OnRenderFrame() { // calculate how much time has elapsed since the last frame watch.Stop(); float deltaTime = (float)watch.ElapsedTicks / System.Diagnostics.Stopwatch.Frequency; watch.Restart(); // use the deltaTime to adjust the angle of the cube angle += deltaTime; // set up the OpenGL viewport and clear both the color and depth bits Gl.Viewport(0, 0, width, height); Gl.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit); // use our shader program and bind the crate texture Gl.UseProgram(program); //<<<<<<<<<<<< TOP PYRAMID // set the transformation of the top_pyramid program["model_matrix"].SetValue(Matrix4.CreateRotationY(angle * rotate_cube)); program["enable_lighting"].SetValue(lighting); // bind the vertex positions, UV coordinates and element array Gl.BindBufferToShaderAttribute(top_pyramid, program, "vertexPosition"); Gl.BindBufferToShaderAttribute(top_pyramidNormals, program, "vertexNormal"); Gl.BindBufferToShaderAttribute(top_pyramidUV, program, "vertexUV"); Gl.BindBuffer(top_pyramidTrianlges); // draw the textured top_pyramid Gl.DrawElements(BeginMode.Triangles, top_pyramidTrianlges.Count, DrawElementsType.UnsignedInt, IntPtr.Zero); //<<<<<<<<<< CUBE // set the transformation of the cube program["model_matrix"].SetValue(Matrix4.CreateRotationY(angle * rotate_cube)); program["enable_lighting"].SetValue(lighting); // bind the vertex positions, UV coordinates and element array Gl.BindBufferToShaderAttribute(cube, program, "vertexPosition"); Gl.BindBufferToShaderAttribute(cubeNormals, program, "vertexNormal"); Gl.BindBufferToShaderAttribute(cubeUV, program, "vertexUV"); Gl.BindBuffer(cubeQuads); // draw the textured cube Gl.DrawElements(BeginMode.Quads, cubeQuads.Count, DrawElementsType.UnsignedInt, IntPtr.Zero); //<<<<<<<<<<<< BOTTOM PYRAMID // set the transformation of the bottom_pyramid program["model_matrix"].SetValue(Matrix4.CreateRotationY(angle * rotate_cube)); program["enable_lighting"].SetValue(lighting); // bind the vertex positions, UV coordinates and element array Gl.BindBufferToShaderAttribute(bottom_pyramid, program, "vertexPosition"); Gl.BindBufferToShaderAttribute(bottom_pyramidNormals, program, "vertexNormal"); Gl.BindBufferToShaderAttribute(bottom_pyramidUV, program, "vertexUV"); Gl.BindBuffer(bottom_pyramidTrianlges); // draw the textured bottom_pyramid Gl.DrawElements(BeginMode.Triangles, bottom_pyramidTrianlges.Count, DrawElementsType.UnsignedInt, IntPtr.Zero); //<<<<<<<<<<<<< STAR Gl.Disable(EnableCap.DepthTest); Gl.Enable(EnableCap.Blend); Gl.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.One); Gl.BindTexture(starTexture); //calculate the camera position using some fancy polar co-ordinates Vector3 position = 20 * new Vector3(Math.Cos(phi) * Math.Sin(theta), Math.Cos(theta), Math.Sin(phi) * Math.Sin(theta)); Vector3 upVector = ((theta % (Math.PI * 2)) > Math.PI) ? Vector3.Up : Vector3.Down; program_2["view_matrix"].SetValue(Matrix4.LookAt(position, Vector3.Zero, upVector)); // make sure the shader program and texture are being used Gl.UseProgram(program_2); // loop through the stars, drawing each one for (int i = 0; i < stars.Count; i++) { // set the position and color of this star program_2["model_matrix"].SetValue(Matrix4.CreateTranslation(new Vector3(stars[i].dist, 0, 0)) * Matrix4.CreateRotationZ(stars[i].angle)); program_2["color"].SetValue(stars[i].color); Gl.BindBufferToShaderAttribute(star, program_2, "vertexPosition"); Gl.BindBufferToShaderAttribute(starUV, program_2, "vertexUV"); Gl.BindBuffer(starQuads); Gl.DrawElements(BeginMode.Quads, starQuads.Count, DrawElementsType.UnsignedInt, IntPtr.Zero); // update the position of the star stars[i].angle += (float)i / stars.Count * deltaTime * 2 * rotate_stars; stars[i].dist -= 0.2f * deltaTime * rotate_stars; // if we've reached the center then move this star outwards and give it a new color if (stars[i].dist < 0f) { stars[i].dist += 5f; stars[i].color = new Vector3(generator.NextDouble(), generator.NextDouble(), generator.NextDouble()); } } Glut.glutSwapBuffers(); } The same goes for the textures, whichever one I mention last gets applied to both object?

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  • Ada and 'The Book'

    - by Phil Factor
    The long friendship between Charles Babbage and Ada Lovelace created one of the most exciting and mysterious of collaborations ever to have resulted in a technological breakthrough. The fireworks that created by the collision of two prodigious mathematical and creative talents resulted in an invention, the Analytical Engine, which went on to change society fundamentally. However, beyond that, we just don't know what the bulk of their collaborative work was about:;  it was done in strictest secrecy. Even the known outcome of their friendship, the first programmable computer, was shrouded in mystery. At the time, nobody, except close friends and family, had any idea of Ada Byron's contribution to the invention of the ‘Engine’, and how to program it. Her great insight was published in August 1843, under the initials AAL, standing for Ada Augusta Lovelace, her title then being the Countess of Lovelace. It was contained in a lengthy ‘note’ to her translation of a publication that remains the best description of Babbage's amazing Analytical Engine. The secret identity of the person behind those enigmatic initials was finally revealed by Prince de Polignac who, seventy years later, wrote to Ada's daughter to seek confirmation that her mother had, indeed, been the author of the brilliant sentences that described so accurately how Babbage's mechanical computer could be programmed with punch-cards. L.F. Menabrea's paper on the Analytical Engine first appeared in the 'Bibliotheque Universelle de Geneve' in October 1842, and Ada translated it anonymously for Taylor's 'Scientific Memoirs'. Charles Babbage was surprised that she had not written an original paper as she already knew a surprising amount about the way the machine worked. He persuaded her to at least write some explanatory notes. These notes ended up extending to four times the length of the original article and represented the first published account of how a machine could be programmed to perform any calculation. Her example of programming the Bernoulli sequence would have worked on the Analytical engine had the device’s construction been completed, and gave Ada an unassailable claim to have invented the art of programming. What was the reason for Ada's secrecy? She was the only legitimate child of Lord Byron, who was probably the best known celebrity of the age, so she was already famous. She was a senior aristocrat, with titles, a fortune in money and vast estates in the Midlands. She had political influence, and was the cousin of Lord Melbourne, who was the Prime Minister at that time. She was friendly with the young Queen Victoria. Her mathematical activities were a pastime, and not one that would be considered by others to be in keeping with her roles and responsibilities. You wouldn't dare to dream up a fictional heroine like Ada. She was dazzlingly beautiful and talented. She could speak several languages fluently, and play some musical instruments with professional skill. Contemporary accounts refer to her being 'accomplished in science, art and literature'. On top of that, she was a brilliant mathematician, a talent inherited from her mother, Annabella Milbanke. In her mother's circle of literary and scientific friends was Charles Babbage, and Ada's friendship with him dates from her teenage zest for Mathematics. She was one of the first people he'd ever met who understood what he had attempted to achieve with the 'Difference Engine', and with whom he could converse as intellectual equals. He arranged for her to have an education from the most talented academics in the country. Ada melted the heart of the cantankerous genius to the point that he became a faithful and loyal father-figure to her. She was one of the very few who could grasp the principles of the later, and very different, ‘Analytical Engine’ which was designed from the start to tackle a variety of tasks. Sadly, Ada Byron's life ended less than a decade after completing the work that assured her long-term fame, in November 1852. She was dying of cancer, her gambling habits had caused her to run up huge debts, she'd had more than one affairs, and she was being blackmailed. Her brilliant but unempathic mother was nursing her in her final illness, destroying her personal letters and records, and repaying her debts. Her husband was distraught but helpless. Charles Babbage, however, maintained his steadfast paternalistic friendship to the end. She appointed her loyal friend to be her executor. For years, she and Babbage had been working together on a secret project, known only as 'The Book'. We have a clue to what it was in a letter written by her nine years earlier, on 11th August 1843. It was a joint project by herself and Lord Lovelace, her husband, and was intended to involve Babbage's 'undivided energies'. It involved 'consulting your Engine' (it required Babbage’s computer). The letter gives no hint about the project except for the high-minded nature of its purpose, and its highly mathematical nature.  From then on, the surviving correspondence between the two gives only veiled references to 'The Book'. There isn't much, since Babbage later destroyed any letters that could have damaged her reputation within the Establishment. 'I cannot spare the book today, which I am very sorry for. At the moment I want it for constant reference, but I think you can have it tomorrow' (Oct 1844)  And 'I will send you the book directly, and you can say, when you receive it, how long you will want to keep it'. (Nov 1844)  The two of them were obviously intent on the work: She writes, four years later, 'I have an engagement for Wednesday which will prevent me from attending to your wishes about the book' (Dec 1848). This was something that they both needed to work on, but could not do in parallel: 'I will send the book on Tuesday, and it can be left with you till Friday' (11 Feb 1849). After six years work, it had been so well-handled that it was beginning to fall apart: 'Don't forget the new cover you promised for the book. The poor book is very shabby and wants one' (20 Sept 1849). So what was going on? The word 'book' was not a code-word: it was a real book, probably a 'printer's blank', plain paper, but properly bound so printers and publishers could show off how the published work might look. The hints from the correspondence are of advanced mathematics. It is obvious that the book was travelling between them, back and forth, each one working on it for less than a week before passing it back. Ada and her husband were certainly involved in gambling large sums of money on the horses, and so most biographers have concluded that the three of them were trying to calculate the mathematical odds on the horses. This theory has three large problems. Firstly, Ada's original letter proposing the project refers to its high-minded nature. Babbage was temperamentally opposed to gambling and would scarcely have given so much time to the project, even though he was devoted to Ada. Secondly, Babbage would have very soon have realized the hopelessness of trying to beat the bookies. This sort of betting never attracts his type of intellectual background. The third problem is that any work on calculating the odds on horses would not need a well-thumbed book to pass back and forth between them; they would have not had to work in series. The original project was instigated by Ada, along with her husband, William King-Noel, 1st Earl of Lovelace. Charles Babbage was invited to join the project after the couple had come up with the idea. What could William have contributed? One might assume that William was a Bertie Wooster character, addicted only to the joys of the turf, but this was far from the truth. He was a scientist, a Cambridge graduate who was later elected to be a Fellow of the Royal Society. After Eton, he went to Trinity College, Cambridge. On graduation, he entered the diplomatic service and acted as secretary under Lord Nugent, who was Lord Commissioner of the Ionian Islands. William was very friendly with Babbage too, able to discuss scientific matters on equal terms. He was a capable engineer who invented a process for bending large timbers by the application of steam heat. He delivered a paper to the Institution of Civil Engineers in 1849, and received praise from the great engineer, Isambard Kingdom Brunel. As well as being Lord Lieutenant of the County of Surrey for most of Victoria's reign, he had time for a string of scientific and engineering achievements. Whatever the project was, it is unlikely that William was a junior partner. After Ada's death, the project disappeared. Then, two years later, Babbage, through one of his occasional outbursts of temper, demonstrated that he was able to decrypt one of the most powerful of secret codes, Vigenère's autokey cipher.  All contemporary diplomatic and military messages used a variant of this cipher. Babbage had made three important discoveries, namely, the mathematical law of this cipher, the principle of the key periodicity, and the technique of the symmetry of position. The technique is now known as the Kasiski examination, also called the Kasiski test, but Babbage got there first. At one time, he listed amongst his future projects, the writing of a book 'The Philosophy of Decyphering', but it never came to anything. This discovery was going to change the course of history, since it was used to decipher the Russians’ military dispatches in the Crimean war. Babbage himself played a role during the Crimean War as a cryptographical adviser to his friend, Rear-Admiral Sir Francis Beaufort of the Admiralty. This is as much as we can be certain about in trying to make sense of the bulk of the time that Charles Babbage and Ada Lovelace worked together. Nine years of intensive work, involving the 'Engine' and a great deal of mathematics and research seems to have been lost: or has it? I've argued in the past http://www.simple-talk.com/community/blogs/philfactor/archive/2008/06/13/59614.aspx that the cracking of the Vigenère autokey cipher, was a fundamental motive behind the British Government's support and funding of the 'Difference Engine'. The Duke of Wellington, whose understanding of the military significance of being able to read enemy dispatches, was the most steadfast advocate of the project. If the three friends were actually doing the work of cracking codes by mathematical techniques that used the techniques of key periodicity, and symmetry of position (the use of a book being passed quickly to and fro is very suggestive), intending to then use the 'Engine' to do the routine cracking of each dispatch, then this is a rather different story. The project was Ada and William's idea. (William had served in the diplomatic service and would be familiar with the use of codes). This makes Ada Lovelace the initiator of a project which, by giving both Britain, and probably the USA, a diplomatic and military advantage in the second part of the Nineteenth century, changed world history. Ada would never have wanted any credit for cracking the cipher, and developing the method that rendered all contemporary military and diplomatic ciphering techniques nugatory; quite the reverse. And it is clear from the gaps in the record of the letters between the collaborators that the evidence was destroyed, probably on her request by her irascible but intensely honorable executor, Charles Babbage. Charles Babbage toyed with the idea of going public, but the Crimean war put an end to that. The British Government had a valuable secret, and intended to keep it that way. Ada and Charles had quite often discussed possible moneymaking projects that would fund the development of the Analytic Engine, the first programmable computer, but their secret work was never in the running as a potential cash cow. I suspect that the British Government was, even then, working on the concealment of a discovery whose value to the nation depended on it remaining so. The success of code-breaking in the Crimean war, and the American Civil war, led to the British and Americans  subsequently giving much more weight and funding to the science of decryption. Paradoxically, this makes Ada's contribution even closer to the creation of Colossus, the first digital computer, at Bletchley Park, specifically to crack the Nazi’s secret codes.

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  • HTML Redirect issue with Apache2

    - by Vijit Jain
    I am facing an issue with the ProxyPass on my Apache server on Ubuntu. I have configured Apache to deal with Virtual Hosts on my server. There is an application with runs on the server and uses ports 8001 8002. I need to do something like www.example.com/demo/origin to display the contents that I would see when I visit www.example.com:8000. The contents to be displayed are a host of HTML pages. This is the section of the virtual host config that has issues ProxyPass /demo/vader http://www.example.com:8001/ ProxyPassReverse /demo/vader http://www.example:8001/ ProxyPass /demo/skywalker http://www.example.com:8002/ ProxyPassReverse /demo/skywalker http://www.example.com:8002/ Now when I visit example.com/demo/skywalker, I see the first page of port 8002, say the login.html page. The second should have been www.example.com/demo/skywalker/userAction.html, instead the server shows www.example.com:8000/login.html. In the error logs I see something like: [Mon Nov 11 18:01:20 2013] [debug] mod_proxy_http.c(1850): proxy: HTTP: FILE NOT FOUND /htdocs/js/demo.72fbff3c9a97f15a4fff28e19b0de909.min.js I do not have any folder htdocs in the system. This is only an issue while viewing .html pages. Otherwise, no such issue occurs. When I visit localhost:8001 it will show any and all contents without any errors or issues. www.example.com/demo/skywalker displays a separate webpage www.example.com/demo/origin displays a different webpage and www.example.com/demo/vader displays a different webpage. I have also tried to use one more type of combination, <Location /demo/origin/> ProxyPass http://localhost:8000/ ProxyPassReverse http://localhost:8000/ ProxyHTMLURLMap http://localhost:8000/ / </Location> This fails as well. I would greatly appreciate if anyone can help me resolve this issue.

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  • Why does my Doctrine DBAL query return no results when quoted?

    - by braveterry
    I'm using the Doctrine DataBase Abstraction Layer (DBAL) to perform some queries. For some reason, when I quote a parameter before passing it to the query, I get back no rows. When I pass it unquoted, it works fine. Here's the relevant snippet of code I'm using: public function get($game) { load::helper('doctrinehelper'); $conn = doctrinehelper::getconnection(); $statement = $conn->prepare('SELECT games.id as id, games.name as name, games.link_url, games.link_text, services.name as service_name, image_url FROM games, services WHERE games.name = ? AND services.key = games.service_key'); $quotedGame = $conn->quote($game); load::helper('loghelper'); $logger = loghelper::getLogger(); $logger->debug("Quoted Game: $quotedGame"); $logger->debug("Unquoted Game: $game"); $statement->execute(array($quotedGame)); $resultsArray = $statement->fetchAll(); $logger->debug("Number of rows returned: " . count($resultsArray)); return $resultsArray; } Here's what the log shows: 01/01/11 17:00:13,269 [2112] DEBUG root - Quoted Game: 'Diablo II Lord of Destruction' 01/01/11 17:00:13,269 [2112] DEBUG root - Unquoted Game: Diablo II Lord of Destruction 01/01/11 17:00:13,270 [2112] DEBUG root - Number of rows returned: 0 If I change this line: $statement->execute(array($quotedGame)); to this: $statement->execute(array($game)); I get this in the log: 01/01/11 16:51:42,934 [2112] DEBUG root - Quoted Game: 'Diablo II Lord of Destruction' 01/01/11 16:51:42,935 [2112] DEBUG root - Unquoted Game: Diablo II Lord of Destruction 01/01/11 16:51:42,936 [2112] DEBUG root - Number of rows returned: 1 Have I fat-fingered something?

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  • Finding indexes of each element in a multidimensional array in ruby

    - by Shreyas Satish
    Eg :a=[["hello", "world"], ["good", "lord"], ["hello", "lord"]] I need to find and record the indexes of each word with respect to the super-array. i.e hello => 0,2 world => 0 lord => 1,2. here's my shot ,but its very amateurish and lengthy. all_tokens=tokens.flatten all_tokens.each do|keyword| tokens.each do|token_array| if token_array.include?keyword x << i end i=i+1 end y[k] = x.clone y=y.clear end

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  • How can I remove the Translation entries in apt?

    - by Lord of Time
    This is the output of aptitude update: Ign http://archive.canonical.com natty InRelease Ign http://extras.ubuntu.com natty InRelease Ign http://dl.google.com stable InRelease Ign http://security.ubuntu.com natty-security InRelease Hit http://deb.torproject.org natty InRelease Get:1 http://dl.google.com stable Release.gpg [198 B] Ign http://us.archive.ubuntu.com natty InRelease Ign http://us.archive.ubuntu.com natty-updates InRelease Hit http://archive.canonical.com natty Release.gpg Hit http://extras.ubuntu.com natty Release.gpg Hit http://security.ubuntu.com natty-security Release.gpg Hit http://us.archive.ubuntu.com natty Release.gpg Hit http://security.ubuntu.com natty-security Release Hit http://archive.canonical.com natty Release Hit http://extras.ubuntu.com natty Release Get:2 http://dl.google.com stable Release [1,338 B] Hit http://us.archive.ubuntu.com natty-updates Release.gpg Hit http://security.ubuntu.com natty-security/main Sources Hit http://archive.canonical.com natty/partner amd64 Packages Hit http://deb.torproject.org natty/main amd64 Packages Hit http://extras.ubuntu.com natty/main Sources Hit http://us.archive.ubuntu.com natty Release Hit http://security.ubuntu.com natty-security/restricted Sources Hit http://security.ubuntu.com natty-security/universe Sources Hit http://security.ubuntu.com natty-security/multiverse Sources Hit http://security.ubuntu.com natty-security/main amd64 Packages Hit http://security.ubuntu.com natty-security/restricted amd64 Packages Ign http://archive.canonical.com natty/partner TranslationIndex Hit http://extras.ubuntu.com natty/main amd64 Packages Ign http://extras.ubuntu.com natty/main TranslationIndex Hit http://security.ubuntu.com natty-security/universe amd64 Packages Hit http://security.ubuntu.com natty-security/multiverse amd64 Packages Ign http://security.ubuntu.com natty-security/main TranslationIndex Ign http://security.ubuntu.com natty-security/multiverse TranslationIndex Ign http://security.ubuntu.com natty-security/restricted TranslationIndex Ign http://deb.torproject.org natty/main TranslationIndex Ign http://security.ubuntu.com natty-security/universe TranslationIndex Hit http://us.archive.ubuntu.com natty-updates Release Hit http://us.archive.ubuntu.com natty/main Sources Hit http://us.archive.ubuntu.com natty/restricted Sources Hit http://us.archive.ubuntu.com natty/universe Sources Hit http://us.archive.ubuntu.com natty/multiverse Sources Hit http://us.archive.ubuntu.com natty/main amd64 Packages Hit http://us.archive.ubuntu.com natty/restricted amd64 Packages Hit http://us.archive.ubuntu.com natty/universe amd64 Packages Hit http://us.archive.ubuntu.com natty/multiverse amd64 Packages Ign http://us.archive.ubuntu.com natty/main TranslationIndex Ign http://us.archive.ubuntu.com natty/multiverse TranslationIndex Ign http://us.archive.ubuntu.com natty/restricted TranslationIndex Ign http://us.archive.ubuntu.com natty/universe TranslationIndex Hit http://us.archive.ubuntu.com natty-updates/main Sources Hit http://us.archive.ubuntu.com natty-updates/restricted Sources Hit http://us.archive.ubuntu.com natty-updates/universe Sources Get:3 http://dl.google.com stable/main amd64 Packages [469 B] Ign http://dl.google.com stable/main TranslationIndex Hit http://us.archive.ubuntu.com natty-updates/multiverse Sources Hit http://us.archive.ubuntu.com natty-updates/main amd64 Packages Hit http://us.archive.ubuntu.com natty-updates/restricted amd64 Packages Hit http://us.archive.ubuntu.com natty-updates/universe amd64 Packages Hit http://us.archive.ubuntu.com natty-updates/multiverse amd64 Packages Ign http://us.archive.ubuntu.com natty-updates/main TranslationIndex Ign http://us.archive.ubuntu.com natty-updates/multiverse TranslationIndex Ign http://us.archive.ubuntu.com natty-updates/restricted TranslationIndex Ign http://us.archive.ubuntu.com natty-updates/universe TranslationIndex Ign http://archive.canonical.com natty/partner Translation-en_US Ign http://extras.ubuntu.com natty/main Translation-en_US Ign http://extras.ubuntu.com natty/main Translation-en Ign http://archive.canonical.com natty/partner Translation-en Ign http://security.ubuntu.com natty-security/main Translation-en_US Ign http://security.ubuntu.com natty-security/main Translation-en Ign http://security.ubuntu.com natty-security/multiverse Translation-en_US Ign http://security.ubuntu.com natty-security/multiverse Translation-en Ign http://security.ubuntu.com natty-security/restricted Translation-en_US Ign http://security.ubuntu.com natty-security/restricted Translation-en Ign http://security.ubuntu.com natty-security/universe Translation-en_US Ign http://security.ubuntu.com natty-security/universe Translation-en Ign http://ppa.launchpad.net natty InRelease Ign http://ppa.launchpad.net natty InRelease Ign http://ppa.launchpad.net natty InRelease Ign http://ppa.launchpad.net natty InRelease Ign http://ppa.launchpad.net natty InRelease Hit http://ppa.launchpad.net natty Release.gpg Hit http://ppa.launchpad.net natty Release.gpg Hit http://ppa.launchpad.net natty Release.gpg Hit http://ppa.launchpad.net natty Release.gpg Hit http://ppa.launchpad.net natty Release.gpg Hit http://ppa.launchpad.net natty Release Ign http://dl.google.com stable/main Translation-en_US Hit http://ppa.launchpad.net natty Release Hit http://ppa.launchpad.net natty Release Hit http://ppa.launchpad.net natty Release Hit http://ppa.launchpad.net natty Release Ign http://dl.google.com stable/main Translation-en Hit http://ppa.launchpad.net natty/main Sources Hit http://ppa.launchpad.net natty/main amd64 Packages Ign http://ppa.launchpad.net natty/main TranslationIndex Hit http://ppa.launchpad.net natty/main Sources Hit http://ppa.launchpad.net natty/main amd64 Packages Ign http://ppa.launchpad.net natty/main TranslationIndex Hit http://ppa.launchpad.net natty/main Sources Hit http://ppa.launchpad.net natty/main amd64 Packages Ign http://ppa.launchpad.net natty/main TranslationIndex Hit http://ppa.launchpad.net natty/main Sources Hit http://ppa.launchpad.net natty/main amd64 Packages Ign http://ppa.launchpad.net natty/main TranslationIndex Hit http://ppa.launchpad.net natty/main Sources Ign http://us.archive.ubuntu.com natty/main Translation-en_US Ign http://us.archive.ubuntu.com natty/main Translation-en Hit http://ppa.launchpad.net natty/main amd64 Packages Ign http://ppa.launchpad.net natty/main TranslationIndex Ign http://us.archive.ubuntu.com natty/multiverse Translation-en_US Ign http://us.archive.ubuntu.com natty/multiverse Translation-en Ign http://us.archive.ubuntu.com natty/restricted Translation-en_US Ign http://us.archive.ubuntu.com natty/restricted Translation-en Ign http://us.archive.ubuntu.com natty/universe Translation-en_US Ign http://us.archive.ubuntu.com natty/universe Translation-en Ign http://us.archive.ubuntu.com natty-updates/main Translation-en_US Ign http://us.archive.ubuntu.com natty-updates/main Translation-en Ign http://us.archive.ubuntu.com natty-updates/multiverse Translation-en_US Ign http://us.archive.ubuntu.com natty-updates/multiverse Translation-en Ign http://us.archive.ubuntu.com natty-updates/restricted Translation-en_US Ign http://us.archive.ubuntu.com natty-updates/restricted Translation-en Ign http://us.archive.ubuntu.com natty-updates/universe Translation-en_US Ign http://us.archive.ubuntu.com natty-updates/universe Translation-en Ign http://ppa.launchpad.net natty/main Translation-en_US Ign http://ppa.launchpad.net natty/main Translation-en Ign http://ppa.launchpad.net natty/main Translation-en_US Ign http://ppa.launchpad.net natty/main Translation-en Ign http://archive.getdeb.net natty-getdeb InRelease Ign http://ppa.launchpad.net natty/main Translation-en_US Ign http://ppa.launchpad.net natty/main Translation-en Ign http://ppa.launchpad.net natty/main Translation-en_US Ign http://ppa.launchpad.net natty/main Translation-en Ign http://ppa.launchpad.net natty/main Translation-en_US Ign http://ppa.launchpad.net natty/main Translation-en Hit http://archive.getdeb.net natty-getdeb Release.gpg Hit http://archive.getdeb.net natty-getdeb Release Ign http://deb.torproject.org natty/main Translation-en_US Ign http://deb.torproject.org natty/main Translation-en Hit http://archive.getdeb.net natty-getdeb/apps amd64 Packages Ign http://archive.getdeb.net natty-getdeb/apps TranslationIndex Ign http://archive.getdeb.net natty-getdeb/apps Translation-en_US Ign http://archive.getdeb.net natty-getdeb/apps Translation-en Fetched 2,005 B in 45s (44 B/s) Reading package lists... Is there any way I can get rid of the Translation stuff? I'm tired of it resulting in tons of repository checks rather than it checking far less repositories (69 actual repos vs. 169 checks)

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  • What is JavaScript, really?

    - by Lord Loh.
    All this started when I was looking for a way to test my webpage for JavaScript conformance like the W3C HTML Validator. I have not found one yet. So let me know if you know of any... I looked for the official JavaScript page and find ECMA Script. These people have standardized a scripting language (I do not feel like calling it JavaScript anymore!) and called it ECMA-262 (Wikipedia). Their latest work is Edition 5.1 JavaScript was developed my Mozilla Corporation and their last stable version is 1.8.5 (see this) which is based on the ECMA's edition 5.1 The Wikipedia page linked mentions dialects. Mozilla's JavaScript 1.8.5 is listed as a dialect along with JScript 9 (IE) and JavaScript (Chrome's V8[Wiki]) and a lot others. Am I to understand that JavaScript 1.8.5 is a derivative of the ECMA-262 and SpiderMonkey[Wiki] is an engine that runs it? And Chrome has its own dialect and V8 engine is the program that runs it? With all these dialects based off ECMA-262, what I can no longer understand is "What is JavaScript"? Are there any truly cross browser scripting languages? Do the various implementers come together to agree on the dialect cross compatibility? Is this effort ECMA?

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  • Design pattern for window management in a Java Swing app

    - by Lord Torgamus
    I've just started creating my very first little Java Swing app. When the program opens, it brings up a single, simple window with a label and a couple buttons. Clicking one of those buttons is supposed to wipe out the welcome screen and replace it with a totally different panel. I'm not sure what the best way to create that functionality is. One method would be to pass my JFrame as an argument into... just about every other component, but that feels hacky to me. Or, there's making each panel double as an action listener, but that doesn't seem right, either. Is there a design pattern I should be applying here? "Replace the contents of the main — and only — window" must be a reasonably common operation. A name for the pattern would be enough; I can use Google on my own from there. (I wouldn't say no to a longer explanation, though.)

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