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  • Approximate timings for various operations on a "typical desktop PC" anno 2010

    - by knorv
    In the article "Teach Yourself Programming in Ten Years" Peter Norvig (Director of Research, Google) gives the following approximate timings for various operations on a typical 1GHz PC back in 2001: execute single instruction = 1 nanosec = (1/1,000,000,000) sec fetch word from L1 cache memory = 2 nanosec fetch word from main memory = 10 nanosec fetch word from consecutive disk location = 200 nanosec fetch word from new disk location (seek) = 8,000,000 nanosec = 8 millisec What would the corresponding timings be for your definition of a typical PC desktop anno 2010?

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  • Parsing a simple file

    - by Mike Graham
    I have a file consisting of lines of the form Foo="Some information" Bar="More" Starting with such a string, what is the best way to extract "Some information" and "More" as strings? Foo and Bar are always exactly those names.

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  • Grails 1.3.3: controller.redirectArgs.action not populated

    - by Matthias Hryniszak
    Does anyone knows what happened to controller.redirectArgs.action in the latest version of Grails (1.3.3)? It used to work properly but now I get NPE when I use it. class FooController { def someRedirect = { redirect(action:"bar") } } class FooControllerTests extends grails.test.ControllerUnitTestCase { void testSomeRedirect() { controller.someRedirect() assertEquals "bar", controller.redirectArgs.action } } In this case controller.redirectArgs is already null...

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  • how to make sub-menus line up below their parents in horizontal navbars?

    - by Joel
    Hi folks. I'm just putting together a simple nav bar using something similar to this tutorial: http://www.cssnewbie.com/horizontal-dropdown-menus/ The thing is, that I'd like to have the children lists first item to line up directly below the parent. Right now, they just go wherever I float them. Is there a way to do this without absolute positioning? I'd like to achieve something similar to what these guys have in their top nav bar: http://michaelfranti.com/

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  • c++ object sizes

    - by anon
    Suppose I have: struct Foo: public Bar { .... } Foo introduces no new member varaibles. Foo only introduces a bunch of member functions & static functions. Does any part of the C++ standard now guarantee me that: sizeof(Foo) == sizeof(Bar) ? Thanks!

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  • iPhone: how to keep integer value on UILabel

    - by Nandakishore
    i am working on Twitter on iPhone now i have to keep the count of Friend, Tweets, Followers etc on UILabel how to work with this (void)userInfoReceived:(NSArray *)userInfo forRequest:(NSString *)connectionIdentifier { NSLog(@"User Info Received: %@", userInfo); // userInfo contains all user details like userName, screenName, count of Friends, Followers, Following, Status Count etc NSLog(@"User Info Received: %d", [userInfo count]); NSMutableDictionary *profileData = [userInfo objectAtIndex:0]; //converting userInfo array into profileData dictionary lblUserName.text = [profileData objectForKey:@"name"]; // lblUserName is UILabel, userName keeping on Label lblLocation.text = [profileData objectForKey:@"location"]; // lblLocation is UILabel, Location keeping on Label lblDescription.text = [profileData objectForKey:@"description"]; // lblDescription is UILabel, Location keeping on Label /////* Up to here all working but how to Keep integer value on UILabel *///// lblFolCount = (NSNumber *)[profileData objectForKey:@"followers_count"]; //how to keep user Followers Count on UILable lblFavCount = (NSNumber *)[profileData objectForKey:@"favourites_count"]; //how to keep user Followers Count on UILable lblStatusCount = (NSNumber *) [profileData objectForKey:@"statuses_count"]; //how to keep user statuses count on UILable lblFriends = (NSNumber *) [profileData objectForKey:@"friends_count"]; //how to keep user friends count on UILable } ////**This info Display on debugger console*/////// ////NSLog(@"User Info Received: %@", userInfo); // by this we get info on debugger console User Info Received: ( { "created_at" = "Tue Nov 02 14:42:42 +0000 2010"; description = "being honest"; favorited = false; "favourites_count" = 0; "followers_count" = 5; "friends_count" = 21; "listed_count" = 0; location = Chennai; name = "nanda kishore reddyv"; "profile_background_color" = EDECE9; "profile_background_image_url" = "http://a2.twimg.com/a/1292975674/images/themes/theme3/bg.gif"; "profile_background_tile" = false; "profile_image_url" = "http://a2.twimg.com/a/1292975674/images/default_profile_6_normal.png"; "retweet_count" = 0; "screen_name" = velugotinanda; source = "<a href=\"http://www.icodeblog.com\" rel=\"nofollow\">iCodeBlog Oauth Demo</a>"; status = "Mon Dec 27 09:22:44 +0000 2010"; "statuses_count" = 15; "time_zone" = "Indiana (East)"; verified = false; } ) 2011-01-01 10:38:29.460 IdeaTweet[471:207] User Info Received: 1 Thanks YOU can you tell me how to Keep integer Value on UILabel

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  • How to pass Itemized Overlay from a class to a Listener Class.

    - by Taylor
    Hey guys, I tried searching the forums on this one, but I wasn't able to find anything on my problem. To describe my problem, everytime my location changes, it redraws the center maker on the map.... Only catch is that it doesn't delete the previous one. I can get it to delete the previous one when the location is changed, but I have no idea how to pass the original overlay in-between classes. Also, pastebin here Thanks in advance, hwrd

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  • small scale web site - global javascript file style/format/pattern - improving maintainability

    - by yaya3
    I frequently create (and inherit) small to medium websites where I have the following sort of code in a single file (normally named global.js or application.js or projectname.js). If functions get big, I normally put them in a seperate file, and call them at the bottom of the file below in the $(document).ready() section. If I have a few functions that are unique to certain pages, I normally have another switch statement for the body class inside the $(document).ready() section. How could I restructure this code to make it more maintainable? Note: I am less interested in the functions innards, more so the structure, and how different types of functions should be dealt with. I've also posted the code here - http://pastie.org/999932 in case it makes it any easier var ProjectNameEnvironment = {}; function someFunctionUniqueToTheHomepageNotWorthMakingConfigurable () { $('.foo').hide(); $('.bar').click(function(){ $('.foo').show(); }); } function functionThatIsWorthMakingConfigurable(config) { var foo = config.foo || 700; var bar = 200; return foo * bar; } function globallyRequiredJqueryPluginTrigger (tooltip_string) { var tooltipTrigger = $(tooltip_string); tooltipTrigger.tooltip({ showURL: false ... }); } function minorUtilityOneLiner (selector) { $(selector).find('li:even').not('li ul li').addClass('even'); } var Lightbox = {}; Lightbox.setup = function(){ $('li#foo a').attr('href','#alpha'); $('li#bar a').attr('href','#beta'); } Lightbox.init = function (config){ if (typeof $.fn.fancybox =='function') { Lightbox.setup(); var fade_in_speed = config.fade_in_speed || 1000; var frame_height = config.frame_height || 1700; $(config.selector).fancybox({ frameHeight : frame_height, callbackOnShow: function() { var content_to_load = config.content_to_load; ... }, callbackOnClose : function(){ $('body').height($('body').height()); } }); } else { if (ProjectNameEnvironment.debug) { alert('the fancybox plugin has not been loaded'); } } } // ---------- order of execution ----------- $(document).ready(function () { urls = urlConfig(); (function globalFunctions() { $('.tooltip-trigger').each(function(){ globallyRequiredJqueryPluginTrigger(this); }); minorUtilityOneLiner('ul.foo') Lightbox.init({ selector : 'a#a-lightbox-trigger-js', ... }); Lightbox.init({ selector : 'a#another-lightbox-trigger-js', ... }); })(); if ( $('body').attr('id') == 'home-page' ) { (function homeFunctions() { someFunctionUniqueToTheHomepageNotWorthMakingConfigurable (); })(); } });

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  • prolog: reduce then write the value of a predicate

    - by jreid9001
    This is some of the code I am writing assert(bar(foo)), assert(foo(bar-5)), I'm not sure if it works though. I'm trying to get it to reduce foo by 5. I need a way to write the value of foo, but haven't found a way too. write('foo is' + foo) would be the logical way to me, but doesn't seem to work.

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  • How do you override ProgramFilesFolder in an msi?

    - by Mark
    I have an msi file that I am trying to install in a place other than C:\Program Files. The directory table shows that ProgramFilesFolder is used as the default install directory. From reading this blog post I understand that ProgramFilesFolder is a standard directory so passing TARGETDIR as a property to the installer will not change the install location even through the directory table has it as the parent of ProgramFilesFolder. How can I override the install location? I am a total novice in this area.

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  • HorizontalFieldmanager overlay

    - by Dachmt
    Hi, I have a VerticalFieldManager that takes all my screen, and I want to put an HorizontalFieldmanager at the bottom of the screen (menu bar that appear and disappear like the WeatherEye menu bar) that overlay the VerticalFieldManager. Any idea? I think it's something with overwriting the paint or sublayout methods but I have no clue how to implement this... Thanks to Max, I have almost everything, but in my other post it resize the VerticalFieldManager instead of having the HorizontalFieldmanager overlaying it. Thank you!

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  • Android Google maps co-ordinates

    - by Scoobler
    I have an app which stores co-ordinates. I am using Google maps to show the location to allow full use of the maps app. I am using the intent call and placing the co-ordinates in the q=xxxxxxxxx,xxxxxxxxx part. This works, however when Google maps shows the location it often finds a point on the road, sometimes a little distance from the actual co-ordinates. Is there a way to get maps to show the actual point?

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  • MongoDB query against geospatial index with maxDistance fails from node.js client

    - by user1735497
    I want to query against a geospatial index in mongo-db (designed after this tutorial http://www.mongodb.org/display/DOCS/Geospatial+Indexing). So when I execute this from the shell everything works fine: db.sellingpoints.find(( { location : { $near: [48.190120, 16.270895], $maxDistance: 7 / 111.2 } } ); but the same query from my nodejs application (using mongoskin or mongoose), won't return any results until i set the distance-value to a very high number (5690) db.collection('sellingpoints') .find({ location: { $near: [lat,lng], $maxDistance: distance / 111.2} }) .limit(limit) .toArray(callback); Has someone any idea how to fix that?

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  • setup apache virtualhost (windows)

    - by nightingale2k1
    Hi, How to setup virtualhost for multiple domain name on windows ? I will use it for my own test projects. I have 3 projects that I need to setup and at the moment I'm using xampplite for the portable apache. www.foo-bar.com -- direct to c:\xampplite\htdocs\foo-bar\ www.abcdef.com -- directo to c:\xampplite\htdocs\abcdef\ www.qwerty.com -- direct to c:\xampplite\htdocs\qwerty\web\ I also need to access on another project but it just like typing http://localhost/my-project/ how to write the vhost configuration for that ?

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  • Compiling servlets for tomcat

    - by L4N0
    Hello I am trying to modify one of the default files that comes with tomcat SessionExample.java, and trying to compile it but I get an error. javac -classpath "E:\Program Files\Apache Software Foundation\Apache Tomcat 6.0.18\lib\servlet-api.jar" SessionExample.java Gives me this error SessionExample.java:26: package util does not exist import util.HTMLFilter; ^ SessionExample.java:90: cannot find symbol symbol : variable HTMLFilter location: class SessionExample out.println(HTMLFilter.filter(name) + " = " ^ SessionExample.java:91: cannot find symbol symbol : variable HTMLFilter location: class SessionExample + HTMLFilter.filter(value) + ""); ^ 3 errors Thank you

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  • javascript add rel facebox

    - by ruru
    Hi all,i want to enable facebox jquery using javascript. here in normal html <a href="stairs.jpg" rel="facebox">text</a> how do in javascript ?something like this? document.location.href="stairs.jpg"; document.location.rel="facebox";

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  • Is a line formed by two points greater than 90 degrees off of the horzontal.

    - by Scott Chamberlain
    I am trying to find out if a line defined by two points is greater than or equal to 90 degrees compared to the horizontal. Here is the code I used bool moreThan90 = false; double angle = Math.Atan((double)(EndingLocation.Y - Location.Y) / (double)(EndingLocation.X - Location.X)); if (angle >= Math.PI / 2.0 || angle <= -Math.PI / 2.0) moreThan90 = true; Did I do this correctly or is there a better built in function in .Net that will find this?

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  • Question about JSON?

    - by Alex
    Hi all, I have a fairly simple question: In Javascript how can I return the boolean (if its found in the JSON) rather than the actual value? Example: var myJSON = { "foo" : "bar", "bar" : "foo" }; var keyToLookFor = "foo"; var found = myJSON[keyToLookFor]; if (found) { // I know I can test if the string exists in the if } // but is there a way I could just return something like: return found; // instead of testing found in the if statement and then returning true?

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