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  • jquery ajax using 'addresses' to update url for bookmarking

    - by Jay
    $("document").ready(function(){ contM = $('#main-content'); contS = $('#second-content'); $(contM).hide(); $(contS).hide(); function loadURL(url) { console.log("loadURL: " + url); $.post(url,{post_loader: 1},{post_loader: 1}, function(data){ $(contM).html($(data)); $(contM).show(); }); } // Event handlers $.address.init(function(event) { console.log("init: " + $('[rel=address:' + event.value + ']').attr('href')); }).change(function(event) { $.post($('[rel=address:' + event.value + ']').attr('href'), {post_loader: 1}, function(data){ $(contM).html($(data)); $(contM).show(); }); console.log("change"); }) $('.update-main a').click(function(){ loadURL($(this).attr('href')); }); }); I'm using this code to make calls to a server to update the main content of a web page. Everything works fine in Google Chrome, but fails to execute properly in Firefox. The strange thing is that when I have the console open to monitor server communication, the application works fine, only when it is closed do problems occur : the script starts to communicate with the server, but before it receives the data the browser jumps to the source url. any ideas?

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  • What's slowing for loops/assignment vs. C?

    - by Lee
    I have a collection of PHP scripts that are extremely CPU intensive, juggling millions of calculations across hundreds of simultaneous users. I'm trying to find a way to speed up the internals of PHP variable assignment, and looping sequences vs C. Although PHP is obviously loosely typed, is there any way/extension to specifically assign type (assign, not cast, which seems even more expensive) in a C-style fashion? Here's what I mean. This is some dummy code in C: #include <stdio.h> int main() { unsigned long add=0; for(unsigned long x=0;x<100000000;x++) { add = x*59328409238; } printf("x is %ld\n",add); } Pretty self-explanatory -- it loops 100 million times, multiples each iteration by an arbitrary number of some 59 billion, assigns it to a variable and prints it out. On my Macbook, compiling it and running it produced: lees-macbook-pro:Desktop lee$ time ./test2 x is 5932840864471590762 real 0m0.266s user 0m0.253s sys 0m0.002s Pretty darn fast! A similar script in PHP 5.3 CLI... <?php for($i=0;$i<100000000;$i++){ $a=$i*59328409238; } echo $a."\n"; ?> ... produced: lees-macbook-pro:Desktop lee$ time /Applications/XAMPP/xamppfiles/bin/php test3.php 5.93284086447E+18 real 0m22.837s user 0m22.110s sys 0m0.078s Over 22 seconds vs 0.2! I realize PHP is doing a heck of a lot more behind the scenes than this simple C program - but is there any way to make the PHP internals to behave more 'natively' on primitive types and loops?

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  • SSL Slow in IE 8.0.7600.16385IC

    - by discovery.jerrya
    I'm having a performance problem on my company's web site using a specific version of IE 8 to load a page using https. Here's what I know. Server: Virtual machine running on VMWare ESX Windows Server 2003 Enterprise Edition SP 2 Tomcat 6.0.16 Client: Windows XP and Window 7 Internet Explorer 8.0.7600.16385IC Page loads/refreshes in under 1 second using HTTP. Page loads/refreshes in 15-16 seconds in HTTPS using this version of IE. Problem reproduced on multiple client machines with same IE version. Problem reproduced on multiple client machines with different Windows versions (XP and 7). No performance problem using Chrome, Firefox, Opera, or Safari from same machine. No performance problem using other versions of IE 8 on other machines. Slow load causes virtually no CPU, memory, or I/O spike on server or client machine. No performance problem on other sites using HTTPS on same client machine. The pages in question use JavaScript and innerHTML to replace the contents of div elements to create a collapsible menu, and an iframe to display some content. A couple of the div elements contain images. If I remove the iframe and the JavaScript, the performance issues go away. However, rewriting the entire site to make these changes would be very time consuming. We're in the process of replacing the whole site, but it may be 2-3 months before we do so and we really cannot live with this slowdown that long. I've already looked at several IE tuning options, such as disabling add ons, running IE-rereg, and resetting IE, with no luck. Does anyone have any suggestions?

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  • C# average function for large numbers without overflow exception

    - by Ron Klein
    .NET Framework 3.5. I'm trying to calculate the average of some pretty large numbers. For instance: using System; using System.Linq; class Program { static void Main(string[] args) { var items = new long[] { long.MaxValue - 100, long.MaxValue - 200, long.MaxValue - 300 }; try { var avg = items.Average(); Console.WriteLine(avg); } catch (OverflowException ex) { Console.WriteLine("can't calculate that!"); } Console.ReadLine(); } } Obviously, the mathematical result is 9223372036854775607 (long.MaxValue - 200), but I get an exception there. This is because the implementation (on my machine) to the Average extension method, as inspected by .NET Reflector is: public static double Average(this IEnumerable<long> source) { if (source == null) { throw Error.ArgumentNull("source"); } long num = 0L; long num2 = 0L; foreach (long num3 in source) { num += num3; num2 += 1L; } if (num2 <= 0L) { throw Error.NoElements(); } return (((double) num) / ((double) num2)); } I know I can use a BigInt library (yes, I know that it is included in .NET Framework 4.0, but I'm tied to 3.5). But I still wonder if there's a pretty straight forward implementation of calculating the average of integers without an external library. Do you happen to know about such implementation? Thanks!!

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  • How to scrape a _private_ google group?

    - by John
    Hi there, I'd like to scrape the discussion list of a private google group. It's a multi-page list and I might have to this later again so scripting sounds like the way to go. Since this is a private group, I need to login in my google account first. Unfortunately I can't manage to login using wget or ruby Net::HTTP. Surprisingly google groups is not accessible with the Client Login interface, so all the code samples are useless. My ruby script is embedded at the end of the post. The response to the authentication query is a 200-OK but no cookies in the response headers and the body contains the message "Your browser's cookie functionality is turned off. Please turn it on." I got the same output with wget. See the bash script at the end of this message. I don't know how to workaround this. am I missing something? Any idea? Thanks in advance. John Here is the ruby script: # a ruby script require 'net/https' http = Net::HTTP.new('www.google.com', 443) http.use_ssl = true path = '/accounts/ServiceLoginAuth' email='[email protected]' password='topsecret' # form inputs from the login page data = "Email=#{email}&Passwd=#{password}&dsh=7379491738180116079&GALX=irvvmW0Z-zI" headers = { 'Content-Type' => 'application/x-www-form-urlencoded', 'user-agent' => "Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/6.0"} # Post the request and print out the response to retrieve our authentication token resp, data = http.post(path, data, headers) puts resp resp.each {|h, v| puts h+'='+v} #warning: peer certificate won't be verified in this SSL session Here is the bash script: # A bash script for wget CMD="" CMD="$CMD --keep-session-cookies --save-cookies cookies.tmp" CMD="$CMD --no-check-certificate" CMD="$CMD --post-data='[email protected]&Passwd=topsecret&dsh=-8408553335275857936&GALX=irvvmW0Z-zI'" CMD="$CMD --user-agent='Mozilla'" CMD="$CMD https://www.google.com/accounts/ServiceLoginAuth" echo $CMD wget $CMD wget --load-cookies="cookies.tmp" http://groups.google.com/group/mygroup/topics?tsc=2

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  • zend gdata google base getting link url and parsing xml with object oriented php

    - by thrice801
    Hi, So I am using Zend frameworks Gdata extension to parse xml data from google base. http://framework.zend.com/manual/en/zend.gdata.gbase.html Working fine minus one damn important thing I cant seem to parse, the link to the actual page, because there are two elements and its returned as an array. Anyways Ive tried vardumping the array but what comes out didnt help me figure out what was going on any better. So heres the specifics of the issue. echo $entry->title->text."<br />".$entry->id->text."<br />".$entry->content->text."<br />".$entry->author[0]->name."<br />"; (the above code works fine). Now according to the documentation I thought I could get the link href by going $entry-link-text or $entry-link-url (tried both, neither worked). Anyways, Im not sure whether this is zend specific or just a gap in my OOP understanding, but any help would be much appreciated!

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  • Using Nemerle in asp.net App_Code directory

    - by Andrew Davey
    I want to use Nemerle in an ASP.NET application. Specifically, putting .n files into App_Code. I added this to my web.config system.codedom/compilers section: <compiler language="n;Nemerle" extension=".n" type="Nemerle.Compiler.NemerleCodeProvider, Nemerle.Compiler"/> When running I get this exception: The assembly '' is already loaded in another appdomain. Setting in machine.config can help solve this issue. Stack trace [HttpException (0x80004005): The assembly '' is already loaded in another appdomain. Setting <deployment retail="true" /> in machine.config can help solve this issue.] System.Web.Compilation.CodeDirectoryCompiler.GetCodeDirectoryAssembly(VirtualPath virtualDir, CodeDirectoryType dirType, String assemblyName, StringSet excludedSubdirectories, Boolean isDirectoryAllowed) +8809675 System.Web.Compilation.BuildManager.CompileCodeDirectory(VirtualPath virtualDir, CodeDirectoryType dirType, String assemblyName, StringSet excludedSubdirectories) +128 System.Web.Compilation.BuildManager.CompileCodeDirectories() +265 System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +320 [HttpException (0x80004005): The assembly '' is already loaded in another appdomain. Setting <deployment retail="true" /> in machine.config can help solve this issue.] System.Web.Compilation.BuildManager.ReportTopLevelCompilationException() +58 System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +512 System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters) +729 [HttpException (0x80004005): The assembly '' is already loaded in another appdomain. Setting <deployment retail="true" /> in machine.config can help solve this issue.] System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +8890735 System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +85 System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) +259 What am I doing wrong?

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  • input type file alternative and file upload best practice

    - by Ioxp
    Background: I am working on a file upload page that will extend an existing web portal. This page will allow for an end user to upload files from there local computer to our network (the files will not be stored on the web server, rather a remote workstation). The end user will have the ability to view the data that they have submitted by hyper-linking the files that have been uploaded on this page. Question 1: Is there an ASP.net alternative to the <input type="file" runat="server" /> HTML tag? The reason for asking is i would rather use an image button and display the file as an asp label on the portal to keep with a consistent style. Question 2: So i understand that giving the end user the ability to upload files to the server and then turn around to show them the data that they posted poses a security threat. So far i am using the id.PostedFile.ContentType and the file extension to reject the data if its not an accepted format (i.e. "text/plain", "application/pdf", "application/vnd.ms-excel", or "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"). Also the location where the files are uploaded to has a sufficient amount of virus and malware protection and this is not a concern. What, from the C# point of view, additional steps should i take to ensure that the end user cant take advantage and compromise the system in regards to allowing them to upload files?

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  • C# rounding DateTime objects

    - by grenade
    I want to round dates/times to the nearest interval for a charting application. I'd like an extension method signature like follows so that the rounding can be acheived for any level of accuracy: static DateTime Round(this DateTime date, TimeSpan span); The idea is that if I pass in a timespan of ten minutes, it will round to the nearest ten minute interval. I can't get my head around the implementation and am hoping one of you will have written or used something similar before. I think either a floor, ceiling or nearest implementation is fine. Any ideas? Edit: Thanks to @tvanfosson & @ShuggyCoUk, the implementation looks like this: public static class DateExtensions { public static DateTime Round(this DateTime date, TimeSpan span) { long ticks = (date.Ticks / span.Ticks) + (span.Ticks / 2) + 1; return new DateTime(ticks * span.Ticks); } public static DateTime Floor(this DateTime date, TimeSpan span) { long ticks = (date.Ticks / span.Ticks); return new DateTime(ticks * span.Ticks); } public static DateTime Ceil(this DateTime date, TimeSpan span) { long ticks = (date.Ticks + span.Ticks - 1) / span.Ticks; return new DateTime(ticks * span.Ticks); } } And is called like so: DateTime nearestHour = DateTime.Now.Round(new TimeSpan(1,0,0)); DateTime minuteCeiling = DateTime.Now.Ceil(new TimeSpan(0,1,0)); DateTime weekFloor = DateTime.Now.Floor(new TimeSpan(7,0,0,0)); ... Cheers!

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  • Fluent interface design and code smell

    - by Jiho Han
    public class StepClause { public NamedStepClause Action1() {} public NamedStepClause Action2() {} } public class NamedStepClause : StepClause { public StepClause Step(string name) {} } Basically, I want to be able to do something like this: var workflow = new Workflow().Configure() .Action1() .Step("abc").Action2() .Action2() .Step("def").Action1(); So, some "steps" are named and some are not. The thing I do not like is that the StepClause has knowledge of its derived class NamedStepClause. I tried a couple of things to make this sit better with me. I tried to move things out to interfaces but then the problem just moved from the concrete to the interfaces - INamedStepClause still need to derive from IStepClause and IStepClause needs to return INamedStepClause to be able to call Step(). I could also make Step() part of a completely separate type. Then we do not have this problem and we'd have: var workflow = new Workflow().Configure() .Step().Action1() .Step("abc").Action2() .Step().Action2() .Step("def").Action1(); Which is ok but I'd like to make the step-naming optional if possible. I found this other post on SO here which looks interesting and promising. What are your opinions? I'd think the original solution is completely unacceptable or is it? By the way, those action methods will take predicates and functors and I don't think I want to take an additional parameter for naming the step there. The point of it all is, for me, is to only define these action methods in one place and one place only. So the solutions from the referenced link using generics and extension methods seem to be the best approaches so far.

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  • Creating an Ajax.ActionLink that avoids all caching issues

    - by Richard Ev
    I am using an Ajax.ActionLink to display a partial view that shows a settings dialog (the modality of which is arranged using jQuery UI dialog). The issue I am running into is around browser caching. It is important that the user is never shown a cached settings dialog. In an attempt to achieve this I have written the following extension method that has the same method signature as the ActionLink method overload that I am using. /// <summary> /// Defines an AJAX ActionLink that effectively bypasses browser caching issues /// by adding an additional route value that contains a unique (actually DateTime.Now.Ticks) value. /// </summary> public static MvcHtmlString NonCachingActionLink(this AjaxHelper helper, string linkText, string actionName, string controllerName, System.Web.Routing.RouteValueDictionary routeValues, AjaxOptions ajaxOptions) { routeValues.Add("rnd", DateTime.Now.Ticks); return helper.ActionLink(linkText, actionName, controllerName, routeValues, ajaxOptions); } This works well between browser sessions (as the rnd route value gets re-calculated on page load), but not if the user is on the page, makes settings changes, saves them (which is done with another ajax call) and then re-displays the settings dialog. My next step is to look into creating my own ActionLink equivalent that re-calculates a random query string component as part of the onclick JavaScript event handler. Thoughts please.

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  • PHP extensions won't load on Apache startup

    - by WebDevHobo
    I've added php as a module for Apache 2.2.11: LoadModule php5_module "c:/php/php5apache2_2.dll" And also added AddType application/x-httpd-php .php And in PHP.ini, my extension dir is set to: extension_dir = "C:\php\ext" And yes, the directories are correct and all files do exist. But when I start apache, I get these errors: PHP Warning: PHP Startup: Unable to load dynamic library 'C:\php\ext\php_mysql.dll' - The specified module could not be found.\r\n in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library 'C:\php\ext\php_pdo_pgsql.dll' - The specified module could not be found.\r\n in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library 'C:\php\ext\php_pgsql.dll' - The specified module could not be found.\r\n in Unknown on line 0 [Sun May 17 03:46:01 2009] [notice] Apache/2.2.11 (Win32) PHP/5.2.9-2 configured -- resuming normal operations [Sun May 17 03:46:01 2009] [notice] Server built: Dec 10 2008 00:10:06 [Sun May 17 03:46:01 2009] [notice] Parent: Created child process 4652 PHP Warning: PHP Startup: Unable to load dynamic library 'C:\php\ext\php_mysql.dll' - The specified module could not be found.\r\n in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library 'C:\php\ext\php_pdo_pgsql.dll' - The specified module could not be found.\r\n in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library 'C:\php\ext\php_pgsql.dll' - The specified module could not be found.\r\n in Unknown on line 0 [Sun May 17 03:46:01 2009] [notice] Child 4652: Child process is running [Sun May 17 03:46:01 2009] [notice] Child 4652: Acquired the start mutex. [Sun May 17 03:46:01 2009] [notice] Child 4652: Starting 64 worker threads. [Sun May 17 03:46:01 2009] [notice] Child 4652: Starting thread to listen on port 80. So I'm probably forgetting something simple here, can someone tell me what I'm forgetting?

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  • ASPXAUTH cookie is not being saved.

    - by kripto_ash
    Hi, Im working on a web project in ASP .NET MVC 2. In this project we store some info inside an ecripted cookie (the ASPXAUTH cookie) to avoid the need to query the db for every request. The thing is the code for this part has suddenly stopped working. I reviewed the changes made to the code on the source control server for anything that could be causing it, I found nothing. I even reverted to a known working copy (working on some other persons PC, same code, etc) but after debugging, it seems the .ASPXAUTH cookie is not getting saved anymore. Instead the ASP.NET_SessionId cookie is being set... (wich before wasn't) I changed the web.config file to turn off the sessionState. This eliminated the ASP.NET_SessionId cookie from being set, but it is still not saving the auth cookie. Ive recently installed some Microsoft Windows XP Updates, but the other person (whos PC runs the application just fine) also did. After googling, some info i found pointed out to a problem with the expiration date of the cookie. Ether cus the pc didnt have the right time/date (this was not the case) and others cus of the cookie expiration date being wrongly set. (I checked and it is being set correctly)... The problem persists with other browsers besides the one im using (Chrome) i tried it with IE6. Any ideas on why this is happening? Ill continue to post any helpful information i can find. Thanks in advance.

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  • Grails - Development advice - Where do I find Plugin APIs / Troubleshoot errors / Make life easy for

    - by gav
    Hello fellow Grails Developers! I was wondering if you could help me with what must be a very common issue. I have come from a world of Java and eclipse where JavaDocs and APIs are at your fingertips. Grails has some great features and plugins but I find their inner workings completely undescoverable and that makes me sad. Take for example the excellent authentication plugin, I set this up using the brief but accurate doc. Now I'm in eclipse with STS and I'm staring at a method; applicationContext.authenticationService.filterRequest( request, response, "${request.contextPath}/authentication/index" ) Which is throwing an exception; 2010-05-01 01:17:07,292 [http-8080-1] ERROR [/grailsapp].[default] - Servlet.service() for servlet default threw exception java.lang.IllegalStateException at org.apache.catalina.connector.ResponseFacade.sendError(ResponseFacade.java:407) at javax.servlet.http.HttpServletResponseWrapper.sendError(HttpServletResponseWrapper.java:118) at org.codehaus.groovy.grails.web.sitemesh.GrailsPageResponseWrapper.sendError(GrailsPageResponseWrapper.java:91) And I have no idea where to start. I would love to have eclipse link to the source but there must be other manageable alternatives too as I know some people use TextMate or vim for development, they can't all have discovered the APIs for the plugins through trial and error!?! Is there any way of making the core Grails API more accessible / searchable? Autocomplete also doesn't seem to work for me in eclipse so if anyone has this working that would be ideal (It's an extension of the same question really). What's your approach? (Please don't say intelliJ, I can't afford it) I'm sure it's obvious and I'm just missing it, please put me out of my misery! Thanks in advance, Gav

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  • Custumizing Syntax Highlighting in Vim

    - by sixtyfootersdude
    Hey I have defined a few custom file types for vim. I have done this like this: In vimrc: au BufWinEnter,BufRead,BufNewFile *.jak set filetype=jak And then in jak.vim syn match arrows /<-/ syn match arrows /->/ syn match arrows /=>/ syn match arrows /<=/ highlight arrows ctermfg=brown ... This works. (Formatting applies to any file opened with vim with file extension .jak) My question is how I can keep all the current formatting for a file type but add functionality. For example I would like to add this functionality for .vim files: syn keyword yellow yellow highlight yellow ctermfg=yellow ... (so that I can see how my terminal interpenetrates different colors before choosing them.) I have created ~/.vim/syntax/vim.vim (file only contains the above) and put this into my vimrc: au BufWinEnter,BufRead,BufNewFile *.vim set filetype=vim This has no effect. The word yellow is not colored yellow. I have also tried putting my vim.vim file into ~/.vim/after/syntax/vim.vim As suggested here This is the approach that I would like to take. Seems clean and easily maintainable.

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  • Save HTML to Pdf ABCPdf 4

    - by daisy
    Hello All, I'm using following code to save html to pdf file. But it fails to compile at if (!theDoc.Chainable(theID)). I do have using WebSupergoo.ABCpdf4; added at the begining of the code. Is this version issue? Is there any other method to save HTML string to pdf file in ABCPdf 4. Error Message is "'WebSupergoo.ABCpdf4.Doc' does not contain a definition for 'Chainable' and no extension method 'Chainable' accepting a first argument of type 'WebSupergoo.ABCpdf4.Doc' could be found (are you missing a using directive or an assembly reference?) Doc theDoc = new Doc(); theDoc.Rect.Inset(10, 50); theDoc.Page = theDoc.AddPage(); int theID; theID = theDoc.AddImageHtml(str); while (true) { if (!theDoc.Chainable(theID)) break; theDoc.Page = theDoc.AddPage(); theID = theDoc.AddImageToChain(theID); } for (int i = 1; i <= theDoc.PageCount; i++) { theDoc.PageNumber = i; theDoc.Flatten(); } theDoc.Save("path where u want 2 save" + ".pdf"); theDoc.Clear(); All the help is appreciated.

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  • Height of a html window's content (not just the viewport height)

    - by gatapia
    Hi All, I'm trying to get the height of a html window's content. This is the full height of the content not the visible height. I have had some (very limited) success using: document.getElementsByTagName('html')[0].offsetHeight in FireFox. This however fails in IEs and it fails in Chrome when using absolute positioned elements (http://code.google.com/p/chromium/issues/detail?id=38999). A sample html file that can be used to reproduce this is: <html> <head> <style> div { border:solid 1px red; height:2000px; width:400px; } .broken { position:absolute; top:0; left:0; } .fixed { position:relative; top:0; left:0; } </style> <script language='javascript'> window.onload = function () { document.getElementById('window.height').innerHTML = window.innerHeight; document.getElementById('window.screen.height').innerHTML = window.screen.height; document.getElementById('document.html.height').innerHTML = document.getElementsByTagName('html')[0].offsetHeight; } </script> </head> <body> <div class='fixed'> window.height: <span id='window.height'>&nbsp;</span> <br/> window.screen.height: <span id='window.screen.height'></span> <br/> document.html.height: <span id='document.html.height'></span> <br/> </div> </body> </html> Thanks All Guido Tapia

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  • How to get around batch file processing limit

    - by Patrick Cuff
    I have a Windows batch file that processes all the files in a given directory. I have 206,783 files I need to process: for %%f in (*.xml) do call :PROCESS %%f goto :STOP :PROCESS :: do something with the file program.exe %1 > %1.new set /a COUNTER=%COUNTER%+1 goto :EOF :STOP @echo %COUNTER% files processed When I run the batch file, the following output is written: 65535 files processed As part of the processing, an output file is created for each file procesed, with a .new extension. When I do a dir *.new it reports 65,535 files exist. So, it appears my command environment has a hard limit on the number of files it can recognize, and that limit is 64K - 1. Is there a way to extend the command environment to manage more than 64K - 1 files? If not, would a VBScript or JavaScript be able to process all 206,783 files? I'm running on Windows 2003 server, Enterprise Edition, 32-bit. UPDATE It looks like the root cause of my issue was with the built-in Windows "extract" command for ZIP files. The files I have to process were copied from another system via a ZIP file. My server doesn't have a ZIP utility installed, just the native Windows commands. I right-clicked on the ZIP file, and did an "Extract all...", which apparently just extracted the first 65,535 files. I downloaded and installed 7-zip onto my server, unzipped all the files, and my batch script worked as intended.

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  • javadoc and overloaded methods

    - by skrebbel
    Hi all, I'm developing an API with many identically named methods that just differ by signature, which I guess is fairly common. They all do the same thing, except that they initialize various values by defaults if the user does not want to specify. As a digestible example, consider public interface Forest { public Tree addTree(); public Tree addTree(int amountOfLeaves); public Tree addTree(int amountOfLeaves, Fruit fruitType); public Tree addTree(int amountOfLeaves, int height); public Tree addTree(int amountOfLeaves, Fruit fruitType, int height); } The essential action performed by all of these methods is the same; a tree is planted in the forest. Many important things users of my API need to know about adding trees hold for all these methods. Ideally, I would like to write one Javadoc block that is used by all methods: /** * Plants a new tree in the forest. Please note that it may take * up to 30 years for the tree to be fully grown. * * @param amountOfLeaves desired amount of leaves. Actual amount of * leaves at maturity may differ by up to 10%. * @param fruitType the desired type of fruit to be grown. No warranties * are given with respect to flavour. * @param height desired hight in centimeters. Actual hight may differ by * up to 15%. */ In my imagination, a tool could magically choose which of the @params apply to each of the methods, and thus generate good docs for all methods at once. With Javadoc, if I understand it correctly, all I can do is essentially copy&paste the same javadoc block five times, with only a slightly differing parameter list for each method. This sounds cumbersome to me, and is also difficult to maintain. Is there any way around that? Some extension to javadoc that has this kind of support? Or is there a good reason why this is not supported that I missed?

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  • Enabling Service Broker in SQL Server 2008

    - by Truegilly
    Hello, I am integrating SqlCacheDependency to use in my LinqToSQL datacontext. I am using an extension class for Linq querys found here - http://code.msdn.microsoft.com/linqtosqlcache I have wired up the code and when I open the page I get this exception - "The SQL Server Service Broker for the current database is not enabled, and as a result query notifications are not supported. Please enable the Service Broker for this database if you wish to use notifications." its coming from this event in the global.asax protected void Application_Start() { RegisterRoutes(RouteTable.Routes); //In Application Start Event System.Data.SqlClient.SqlDependency.Start(new dataContextDataContext().Connection.ConnectionString); } my question is... how do i enable Service Broker in my SQL server 2008 database? I have tried to run this query.. ALTER DATABASE tablename SET ENABLE_BROKER but it never ends and runs for ever, I have to manually stop it. once I have this set in SQL server 2008, will it filter down to my DataContext, or do I need to configure something there too ? thanks for any help Truegilly

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  • How and when do browsers implement real-time changes to a document's DOM?

    - by Mark
    My website dynamically embeds an external Javascript file into the head tag. The external Javascript defines a global variable myString = "data". At what point does myString become accessible to Javascript within the website? <html> <head> <script type="text/javascript"> myString = null; external = document.createElement("script"); //externalScript.js is one line, containing the following: //myString = "data"; external.setAttribute("src", "externalScript.js"); external.setAttribute("type", "text/javascript"); document.getElementsByTagName("head")[0].append(external); alert(myString); <script> </head> <body> </body> </html> This code alerts null (when I thought it would alert "data") in Chrome and IE, even though the DOM has loaded in externalScript.js at this point. When is externalScript.js actually evaluated by the browser and at what point do I have access to the new value of myString?

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  • C# average function without overflow exception

    - by Ron Klein
    .NET Framework 3.5. I'm trying to calculate the average of some pretty large numbers. For instance: using System; using System.Linq; class Program { static void Main(string[] args) { var items = new long[] { long.MaxValue - 100, long.MaxValue - 200, long.MaxValue - 300 }; try { var avg = items.Average(); Console.WriteLine(avg); } catch (OverflowException ex) { Console.WriteLine("can't calculate that!"); } Console.ReadLine(); } } Obviously, the mathematical result is 9223372036854775607 (long.MaxValue - 200), but I get an exception there. This is because the implementation (on my machine) to the Average extension method, as inspected by .NET Reflector is: public static double Average(this IEnumerable<long> source) { if (source == null) { throw Error.ArgumentNull("source"); } long num = 0L; long num2 = 0L; foreach (long num3 in source) { num += num3; num2 += 1L; } if (num2 <= 0L) { throw Error.NoElements(); } return (((double) num) / ((double) num2)); } I know I can use a BigInt library (yes, I know that it is included in .NET Framework 4.0, but I'm tied to 3.5). But I still wonder if there's a pretty straight forward implementation of calculating the average of integers without an external library. Do you happen to know about such implementation? Thanks!! UPDATE: The previous example, of three large integers, was just an example to illustrate the overflow issue. The question is about calculating an average of any set of numbers which might sum to a large number that exceeds the type's max value. Sorry about this confusion. I also changed the question's title to avoid additional confusion. Thanks all!!

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  • ServiceRoute + WebServiceHostFactory kills WSDL generation? How to create extensionless WCF service

    - by Ethan J. Brown
    I'm trying to use extenionless / .svc-less WCF services. Can anyone else confirm or deny the issue I'm experiencing? I use routing in code, and do this in Application_Start of global.asax.cs: RouteTable.Routes.Add(new ServiceRoute("Data", new WebServiceHostFactory(), typeof(DataDips))); I have tested in both IIS 6 and IIS 7.5 and I can use the service just fine (ie my extensionless handler is correctly configured for ASP.NET). However, metadata generation is totally screwed up. I can hit my /mex endpoint with the WCF Test Client (and I presume svcutil.exe) -- but the ?wsdl generation you typically get with .svc is toast. I can't hit it with a browser (get 400 bad request), I can't hit it with wsdl.exe, etc. Metadata generation is configured correctly in web.config. This is a problem of course, because the service is exposed as basicHttpBinding so that an old style ASMX client can get to it. But of course, the client can't generate the proxy without a WSDL description. If I instead use serviceActivation routing in config like this, rather than registering a route in code: <serviceHostingEnvironment aspNetCompatibilityEnabled="true"> <serviceActivations> <add relativeAddress="Data.svc" service="DataDips" /> </serviceActivations> </serviceHostingEnvironment> Then voila... it works. But then I don't have a clean extensionless url. If I change relativeAddress from Data.svc to Data, then I get a configuration exception as this is not supported by config. (Must use an extension registered to WCF). I've also attempted to use this code in conjunction with the above config: RouteTable.Routes.MapPageRoute("","Data/{*data}","~/Data.svc/{*data}",false); My thinking is that I can just point the extensionless url at the configured .svc url. This doesn't work -- the /Data.svc continues to work, but /Data returns a 404. Anyone with any bright ideas?

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  • Call asp.net mvc Html Helper within custom html helper with expression parameter

    - by Frank Michael Kraft
    I am trying to write an html helper extension within the asp.net mvc framework. public static MvcHtmlString PlatformNumericTextBoxFor<TModel>(this HtmlHelper instance, TModel model, Expression<Func<TModel,double>> selector) where TModel : TableServiceEntity { var viewModel = new PlatformNumericTextBox(); var func = selector.Compile(); MemberExpression memExpession = (MemberExpression)selector.Body; string name = memExpession.Member.Name; var message = instance.ValidationMessageFor<TModel, double>(selector); viewModel.name = name; viewModel.value = func(model); viewModel.validationMessage = String.Empty; var result = instance.Partial(typeof(PlatformNumericTextBox).Name, viewModel); return result; } The line var message = instance.ValidationMessageFor<TModel, double>(selector); has a syntax error. But I do not understand it. The error is: Fehler 2 "System.Web.Mvc.HtmlHelper" enthält keine Definition für "ValidationMessageFor", und die Überladung der optimalen Erweiterungsmethode "System.Web.Mvc.Html.ValidationExtensions.ValidationMessageFor(System.Web.Mvc.HtmlHelper, System.Linq.Expressions.Expression)" weist einige ungültige Argumente auf. C:\Projects\WorkstreamPlatform\WorkstreamPlatform_WebRole\Extensions\PlatformHtmlHelpersExtensions.cs 97 27 WorkstreamPlatform_WebRole So according to the message, the parameter is invalid. But the method is actually declared like this: public static MvcHtmlString ValidationMessageFor<TModel, TProperty>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, TProperty>> expression); So actually it should work.

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  • Extra white space, on HTML output, on PHP MVC

    - by user316841
    Hi, I'm getting extra white space, that is not CSS, or nothing like it on the view output: The HTML. I've checked for ? (removed, where I could), saved UTF8 without BOM. Checked for existent white space in the beginning of each file, even at end. This is the structure: index.php - this is the entry point; MODEL/ CONTROLLER/ VIEW/ Let's say, that trough method GET, its sent the var TPL with some value. Let's call it LIST, so it pulls the LIST model, with all data and then show the right template to the user, with the right data. I used and tested, with require_once, include_once, include, even tested with readfile (just to test). The LIST Template opens the header.tpl and footer.tpl; I also tryed to remove this both includes from LIST template, but still, the extra white space continued. This is where the extra white space is coming from. This controller is placed between controller activity runs here , this is where the extra white space is coming from: $model_works-getRows(); $rows = $model_works-rows; if ( !require_once('views/list_works.tpl.php') ) { echo "Error."; } // end if clause The list_works.tpl.php, is basicly HTML with tags; I've t tested by changing the extension to something else, like html. Also, just to remember that at top of this file, we are using require_once to open the header.tpl and at bottom the footer.tpl. I've tested by removing both and the extra white space was still generated. The extra white space is being generated here: EXTRA WHITE SPACE HERE Thanks a lot for looking, ;D

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