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  • How Does Facebook Know What Image To Parse Out of An Article?

    - by Travis
    First off I want to say that I wasn't really sure where to post this but it is very much programming related. If it is in the wrong spot I apologize and please let me know where I should post it instead. When sharing an article on a friends wall, facebook will grab a thumbnail of the article. How do they always get the right thumbnail from articles? It doesn't grab the logo img element of of http://www.nytimes.com/2010/06/07/world/asia/07convoys.html?hp for example but rather grabs the correct image element that corresponds with the article. I'm looking to do something similar and was wondering of a good way to parse the html to find the image given this example. Thanks.

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  • Does F# documentation have a way to search for functions by their types?

    - by Nathan Sanders
    Say I want to know if F# has a library function of type ('T -> bool) -> 'T list -> int ie, something that counts how many items of a list that a function returns true for. (or returns the index of the first item that returns true) I used to use the big list at the MSR site for F# before the documentation on MSDN was ready. I could just search the page for the above text because the types were listed. But now the MSDN documentation only lists types on the individual pages--the module page is a mush of descriptive text. Google kinda-sorta works, but it can't help with // compatible interfaces ('T -> bool) -> Seq<'T> -> int // argument-swaps Seq<'T> -> ('T -> bool) -> int // type-variable names ('a -> bool) -> Seq<'a> -> int // wrappers ('a -> bool) -> 'a list -> option<int> // uncurried versions ('T -> bool) * 'T list -> int // .NET generic syntax ('T -> bool) -> List<'T> -> int // methods List<'T> member : ('T -> bool) -> int Haskell has a standalone program for this called Hoogle. Does F# have an equivalent, like Fing or something?

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  • Are the formatted addresses of a Google location unique?

    - by Hans
    I want our users of a web site to be able to either search and pick an address or mark a location on a map decide how accurate this address/location is I am in the process of implementing the first part with jquery, jquery ui's autocomplete, google map, and google geocoder. For the second part I will generate a radiobutton list based on the address elements/alternatives of the first part on the client side with jquery. My concern, however, is how to convey the choices to the server side. The Google geocoder includes a number of useful metadata that I want to store. A possibility is to store the complete json object in a hidden form field, but I can't trust the users. Such a solution would enable an unfriendly insertion of spam in the data. If the addresses/locations would have a unique identifyer I could store just these and let the server refetch/evaluate the data. The alternative geonames.org web service has such ids. But are for example the formatted addresses of a Google location unique? Any tips?

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  • GUnload is null or undefined using Directions Service

    - by user1677756
    I'm getting an error using Google Maps API V3 that I don't understand. My initial map displays just fine, but when I try to get directions, I get the following two errors: Error: The value of the property 'GUnload' is null or undefined, not a Function object Error: Unable to get value of the property 'setDirections': object is null or undefined I'm not using GUnload anywhere, so I don't understand why I'm getting that error. As far as the second error is concerned, it's as if something is wrong with the Directions service. Here is my code: var directionsDisplay; var directionsService = new google.maps.DirectionsService(); var map; function initialize(address) { directionsDisplay = new google.maps.DirectionsRenderer(); var geocoder = new google.maps.Geocoder(); var latlng = new google.maps.LatLng(42.733963, -84.565501); var mapOptions = { center: latlng, zoom: 15, mapTypeId: google.maps.MapTypeId.ROADMAP }; map = new google.maps.Map(document.getElementById("map_canvas"), mapOptions); geocoder.geocode({ 'address': address }, function (results, status) { if (status == google.maps.GeocoderStatus.OK) { map.setCenter(results[0].geometry.location); var marker = new google.maps.Marker({ map: map, position: results[0].geometry.location }); } else { alert("Geocode was not successful for the following reason: " + status); } }); directionsDisplay.setMap(map); } function getDirections(start, end) { var request = { origin:start, destination:end, travelMode: google.maps.TravelMode.DRIVING }; directionsService.route(request, function(result, status) { if (status == google.maps.DirectionsStatus.OK) { directionsDisplay.setDirections(result); } else { alert("Directions cannot be displayed for the following reason: " + status); } }); } I'm not very savvy with javascript, so I could have made some sort of error there. I appreciate any help I can get.

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  • How to save/export a DOM element to an image?

    - by Don Don
    Hi, I have a web page which has a form element (with its ID known) and inside the form there are multiple DIVs, and the position of each div may be changed. What I'd like to do is: a) Save the current state of this form // var currentForm=document.forms['myFrm'].innerHTML; would probably suffice... b) Save or export the entire form with the most current position of each DIV to an image file. // how to save/export the javascript var of currentForm to an image file is the key question. Any help/pointer would be appreciated.

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  • What scripting language would you use to put text over a generated image ?

    - by Younes
    I got this question from my cousin: "What will be the best way to create a similar working website just like: http://www.plakletters.nl". I have looked into the website and think that to start of with i'm gonna help my cousin write a script that loads all fonts installed on the system into a dropdownlist. This dropdownlist will post a font value back to the page and will create images with the input of a user that comes from a textbox. This images will have to be created server side, and I also want to give the users the ability (in the future) to lay their own text over an uploaded image, to see what the result will look like on their own image. I found some information about how to create images using php, I don't know if php can output a list of installed fonts from the system it's running on. What scripting language would you use to get this job done? Keep in mind i would just like to start with outputting some images based on user input using a scripting language.

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  • how to set length and postion for repeat-x and scroll background-image?

    - by user550945
    Hi all, I have an to set background image. it is a red line under the input value. background-attachment:scroll; background-color:#FFFFFF; background-image:url("../images/errorLine.gif"); background-position:left bottom; background-repeat:repeat-x; the input value is like "123; 456; 789;". the red line cover all the string, its length is the same as the input width. Is there any way to make the red line only under the "456;"? Is there anyway to do it by CSS? Thanks a lot. Best regards, Ryanivanka

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  • h3 tag text/image replacement, does this hurt seo?

    - by Mike007
    I'm trying to "replace" text with an image in all of my h3 tags. I want the image to be in the html to avoid multiple h3 classes as this is being done for a portfolio and there will be about 10 h3 tags on the page. My question is, will this be viewed as an attempt to hide, stuff keywords by google for seo purposes? If it will then does anyone know a better way to accomplish this? CSS: h3 { display: block; width: 156px; height: 44px; overflow: hidden; } Html: <h3><img src="images/project001.png" alt="Recent Projects" />Recent Projects</h3>

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  • Create a graph image (png, jpg ..) from an XML file with Java

    - by alibm
    Hello, I have an XML file and I want to create a graph with some entities, then store this graph in an image, JPG or PNG. So is there a library in Java do like this?? Or is there some tricks by parsing XML files and ... ??? Here an example XML file: <?xml version="1.0"?> <process> <p n=1>Tove</p> <p n=2>Jani</p> <p n=2>Bill</p> <p n=4>John</p> </process> And the output will be like this. http://i.imgur.com [slash] YevGX.png Please change [slash] by / to see the image. Thanks in advance. Best Regards, AliBM

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  • Works for Short Input, Fails for Long Input. How to Solve?

    - by r0ach
    I've this program which finds substring in a string. It works for small inputs. But fails for long inputs. Here's the program: //Find Substring in given String #include <stdio.h> #include <string.h> main() { //Variable Initialization int i=0,j=0,k=0; char sentence[50],temp[50],search[50]; //Gets Strings printf("Enter Sentence: "); fgets(sentence,50,stdin); printf("Enter Search: "); fgets(search,50,stdin); //Actual Work Loop while(sentence[i]!='\0') { k=i;j=0; while(sentence[k]==search[j]) { temp[j]=sentence[k]; j++; k++; } if(strcmp(temp,search)==0) break; i++; } //Output Printing printf("Found string at: %d \n",k-strlen(search)); } Works for: Enter Sentence: good evening Enter Search: evening Found string at 6 Fails for: Enter Sentence: dear god please make this work Enter Search: make Found string at 25 Which is totally wrong. Can any expert find me a solution? P.S: This is kinda like reinventing the wheel since strstr() has this functionality. But I'm trying for a non-library way of doing it.

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  • How would I get an img element to render under a background-image in CSS.

    - by Nat Ryall
    Basically, I am trying to put a semi-transparent div over an image to serve as a background for text for a slideshow. Unfortunately, the browser seems intent on always rendering the img over the background-image. Is there any way to fix this? Here is my current CSS for the semi-transparent div: #slideshow .info { height: 80px; margin-top: -80px; background: url(../../images/slideshow-info-pixel.png) repeat; } ... with slideshow-info-pixel.png being a single pixel, 50% opacity, PNG 24. I have so far tried z-index and the CSS must be compatible with IE6.

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  • How would you find the height of objects given an image?

    - by Ram Bhat
    Heyguys.. This isn't exactly a programming question exactly. I just want to know what your approach would be to a common problem in Digital image processing. Lets say you have an image of a a few trees in say jpg format. How would you go about finding the heights of each of these trees. The photo is the only input you have. I want to know the approaches you have not code. So it doesnt matter if your answers are vague, or non DIP-ish.

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  • Step Aside Google

    - by David Dorf
    Step aside Google. While search will always be a huge part of the web, I can see a day in the not-too-distance future where search takes a backseat to the social graph. Links between pages will give way to relationships between people, including context like location. What does this mean for retail? It means your e-commerce strategy will slowly transition to an f-commerce strategy. Remember when a large portion of the online population was held captive inside the walls of AOL? All the commercials listed an AOL keyword, not a web address because that's where the majority of people surfed. Now, people are spending a huge amount of time in Facebook (despite Betty White's proclamation that its a big waste of time). According to Facebook, users spend 500 billion minutes per month on the site. Selling products where consumers are spending their time makes sense. The power of Like and Share are the most effective approach to marketing. More and more stores are popping up on Facebook, and soon they will be the front-end to e-commerce systems. As sites adopt the Facebook Open Graph API, users will have a harder time distinguishing the open web from their Facebook experience, including shopping. Of course e-commerce sites won't go away, but a large portion of their traffic will emanate from Facebook and in some cases Facebook will act as the front-end for the web store. Ignore Facebook Open Graph at your peril. In a Mashable article, Mitchell Harper made several predictions about how e-commerce will change based on Facebook. His five points are not far-fetched at all, so we need to watch this space carefully.

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  • Boot failure on installation from a burned iso image

    - by jdamae
    I'm encountering boot failure while trying to install a Linux distro from a CD. I'm using an older PC; here are its specs: HP Pavilion a255c 2.66GHz CPU, 512MB RAM with a BIOS revision of 6/30/2003 I reclaimed an older drive (Seagate ST340810A) that seems to be working, as it's recognized in the BIOS (auto-detected). So this is not the original HDD, but a replacement. I downloaded a mini.iso of Ubuntu 10.10 that I want to install, and burned the image to a CD for install. My boot sequence is: First Boot Device [CDROM]. I disabled devices 2-4 so I can just force it to read first from the CD-ROM. This old PC also has a separate CD writer which is a Sec.Slave. The Sec.Master is the Toshiba DVD/ROM DSM-171 drive where I placed the burned Linux CD. With these settings I cannot get it to boot. I get the message "DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER" when I start the pc with the cd (burned iso image). Would I be able to boot off a usb flash drive? Would that work?

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  • Opening images sorted by modification date/size/type/etc.

    - by menino bolinho
    Suppose I have a folder with pictures in them. If I sort them by name once I open one with Image Viewer and navigate to the others the order is respected. But if I sort my files by modification date, for example, I can't do that. Basically, the default Image Viewer only lets you navigate images by name. According to this post on the ubuntuforums this has been an issue since 2007! Is there a good/easy way to fix it? Seems like such a trivial thing to me.

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  • OpenGL ES 2 shaders for drawing buildings and roads like Google Maps does

    - by Pris
    I'm trying to create a shader that'll give me an effect similar to what buildings and roads look like on 3D Google Maps. You can see the effect interactively if you enable WebGL at maps.google.com, and I also found a couple of screenshots that illustrate what I'm trying to achieve: Thing I noticed: There's some kind of transparency thing going on with the roads/ground and the buildings, but not between the buildings themselves. It might be that they're rendering the ground and roads after the buildings with the right blend functions to achieve that effect. If you look closely, you'll see parts of the building profiles have an outline. The roads also have nice clean outlines. There are a lot of techniques for outlining things with shaders... but I'm curious to find out what might have been used in this case considering mobile hardware and a large number of entities with outlines (roads and buildings) I'm assuming that for the lighting, some sort of simple diffuse per-vertex shader is being used for the buildings though I could be wrong. I'm especially curious about the 'look' they achieved with buildings (clean, precise outlines/shading). It reminds me a little of what you'd see when designing stuff with CAD applications like SolidWorks: I'd appreciate any advice on achieving this kind of look with ES 2 shaders.

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  • How To Disable Loading Of Images In Chrome, Firefox and IE

    - by Gopinath
    Many of us find the necessity to disable loading images in web browsers for various reasons. May be when we are at work place, we don’t our boss to notice flashy browser window or we are connected to low bandwidth connections like GPRS which works faster without images. What ever may be the reason, here are the tips to disable images in Google Chrome, Firefox and Internet Explorer web browsers. Google Chrome – Disable Loading Images To disable loading of images in Google Chrome 1. Click on Tools Icon and choose Options menu item 2. In Google Chrome Options dialog window, switch to the tab Under the hood and click on the button Content Settings 3. Select Images from the list of options available in the left panel and choose the option Do not show any images 4. Close dialog windows and you are done. Firefox – Disable Loading Images To disable loading of images in Firefox 1. Open Firefox 2. Go to Tools -> Options 3. Switch to Content tab 4. Uncheck the option Load images automatically Internet Explorer – Disable Loading Images To disable loading of images in Internet Explorer 1. Launch Internet Explorer 2. Go to Tools -> Internet Options 3. Switch to Advanced tab 4. Uncheck the option Show pictures under Multimedia category cc image credit: flickr/indoloony This article titled,How To Disable Loading Of Images In Chrome, Firefox and IE, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • Is this information about me as a programmer concise and good enough?

    - by Nick Rosencrantz
    I not only want you to review my resume but please tell me what you think Google means when they answered me: "We don't look at personal letters and we like your resume and we can recommend you internally but we need measurable experience. What is meant with "measurable" here? Do they mean like O(1) compared to O(n), selling an entire company, grades or what? This is what I sent: Curriculum vitae Nick Rosencrantz Competence: System development, web development Technical competence: Java, Javascript, HTML, XML, CSS, AJAX, PHP, SQL, Python Employments: 2012- Mobile Innovation AB System Developer IT consultant (Java programmer) 2011-2012 Bnano International Ltd System Developer Python programming in Google App Engine 2008-2009 Sweden Island AB System Developer Programming C++ and Java EE components 2003-2007 Studies Stockholm School of Economics During studies worked as network technician at Effnet AB 2000-2002 Jadestone AB System Developer System development in Java/J2EE. In 2001: KTH, Assistant. Teaching application server programming in Java Enterprise + weblogic + Informix. 1999-2000 Studies KTH 1996-1998 Spray.se System development, Researcher 1995-1995 Finance broker Backoffice work with financial instruments 1993-1994 Computer & Audio-Technical Systems AB Programming, sommer job Education/Courses: Stockholm School of Economics, Master of Science diploma, KTH, Computer Science undergraduate studies Languages Swedish, English, also some German and French Born 1973, Swedish citizen I also have a project-based CS which is several pages long but the above is about what I was aiming for in the beginning when I was looking for a job, now I have employment as an IT consultant in central Stockholm and I want to make my resume concise and also know what Google meant with their answer (It was a Swedish Google employee that via linkedin recruited from my Stockholm School of Economics groups since that is a small elite economics school where I took my M.Sc. and KTH is one of the largest universities in northern Europe so I sent her a link with my CV and she said she could promote me internally if I added "measurable experience" and I've been thinking for weeks what that may mean?

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  • New META TAGS with positive effects for seo ranking in 2011 and beyond

    - by Sam
    Hi all, im trying to make an up to date chart of meta tags, for all of us, with their purposes, their use and their good (or bad) effects on search engines/being found. Also any body knows new/promising meta tags? I will add yours into my list so this chart is a result of live discussion and up to date. Also, it would be creative to invent your own useful meta, because we are the ones making the web, or aren't we? LEGEND P PURPOSE? What does this meta tag do in 2011, if anything N NECESSARY? Does every site really needs it or not? G GOOD wether it will have a good effect for your site to be found I INVENTED meta tag, who knows it will be accepted in a year! META "METANAME" = PURPOSE? - NECESSARY? - GOOD EFFECT? #### important meta "title" = P consice summary + teaser - N very - G extremely meta "description" = P description + teaser - N yes - G very meta "robots" = P if needed, to skip default dmoz/yahoodir listing - N no - G? #### new & promising! Thanks for input (John, ) meta "original-source" P url of whoever broke the news gets credits - N? - G? meta "syndication-source" P url for syndication of published news - N? - G? meta "canonical" P? - N? - G? #### seems obsolete meta "keywords" = P some keywords - N+G not for google but yahoo likes them meta "language" = P overrule guesswork by defining language - N no - G? meta "page-topic" = P topic/theme - N? - G? meta "abstract" = P short summary - N? - G? meta "copyright" = ? #### invented by me meta "audience" = P filteres audience: "+seniors, +parents, -children, -youth" meta "mood" = P specifies textual style: "discussion, informative, commercial, sexual, fictional, scientific, romantic, therapeutic, technical"

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