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• Database structure and source control - best practice

  - by Paddy

  Background I came from several years working in a company where all the database objects were stored in source control, one file per object. We had a list of all the objects that was maintained when new items were added (to allow us to have scripts run in order and handle dependencies) and a VB script that ran to create one big script for running against the database. All the tables were 'create if not exists' and all the SP's etc. were drop and recreate. Up to the present and I am now working in a place where the database is the master and there is no source control for DB objects, but we do use redgate's tools for updating our production database (SQL compare), which is very handy, and requires little work. Question How do you handle your DB objects? I like to have them under source control (and, as we're using GIT, I'd like to be able to handle merge conflicts in the scripts, rather than the DB), but I'm going to be pressed to get past the ease of using SQL compare to update the database. I don't really want to have us updating scripts in GIT and then using SQL compare to update the production database from our DEV DB, as I'd rather have 'one version of the truth', but I don't really want to get into re-writing a custom bit of software to bundle the whole lot of scripts together. I think that visual studio database edition may do something similar to this, but I'm not sure if we will have the budget for it. I'm sure that this has been asked to death, but I can't find anything that seems to quite have the answer I'm looking for. Similar to this, but not quite the same: http://stackoverflow.com/questions/340614/what-are-the-best-practices-for-database-scripts-under-code-control

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• UDK SettingsScene variable

  - by Ricket

  I am in the process of porting a script from UT3 to UDK. The script is for class ZOUIFrontEnd_MainMenu extends UTUIFrontEnd_MainMenu. I'm getting the following compiler error: C:\UDK\UDK-2010-03\Development\Src\FixIt\Classes\ZOUIFrontEnd_MainMenu.uc(18) : Error, Bad or missing expression in Call to 'OpenSceneByName', parameter 1 The referenced line is as follows: OpenSceneByName(SettingsScene); Okay, so I figured the OpenSceneByName function changed in UDK. Tracing the path of inheritance all the way up to UDKUIScene.uc, I found the definition: function UIScene OpenSceneByName(string SceneToOpen, bool bSkipAnimation=false, optional delegate<OnSceneActivated> SceneDelegate=None) Assuming SettingsScene is a string, everything looks fine, right? So I figured I would find SettingsScene to make sure it's a string. Well doing a search for "SettingsScene" in all files turned up only one other line; UTGameReplicationInfo.uc line 334: UTPC.OpenUIScene(class'UTUIFrontEnd_MainMenu'.default.SettingsScene); But UTUIFrontEnd_MainMenu doesn't have a SettingsScene variable in it! Just to check, I changed my line of code to match: OpenSceneByName(class'UTUIFrontEnd_MainMenu'.default.SettingsScene); And indeed, I get the following compile error now: C:\UDK\UDK-2010-03\Development\Src\FixIt\Classes\ZOUIFrontEnd_MainMenu.uc(18) : Error, Unknown Property 'SettingsScene' in 'Class UTGame.UTUIFrontEnd_MainMenu' How does UTGameReplicationInfo.uc successfully compile? Where is the SettingsScene variable?

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• python win32com EXCEL data input error

  - by Rafal

  Welcome, I'm exporting results of my script into Excel spreadsheet. Everything works fine, I put big sets of data into SpreadSheet, but sometimes an error occurs: File "C:\Python26\lib\site-packages\win32com\client\dynamic.py", line 550, in __setattr__ self._oleobj_.Invoke(entry.dispid, 0, invoke_type, 0, value) pywintypes.com_error: (-2147352567, 'Exception.', (0, None, None, None, 0, -2146777998), None)*** I suppose It's not a problem of input data format. I put several different types of data strings, ints, floats, lists and it works fine. When I run the sript for the second time it works fine - no error. What's going on? PS. This is code that generates error, what's strange is that the error doesn't occur always. Say 30% of runs results in an error. : import win32com.client def Generate_Excel_Report(): Excel=win32com.client.Dispatch("Excel.Application") Excel.Workbooks.Add(1) Cells=Excel.ActiveWorkBook.ActiveSheet.Cells for i in range(100): Row=int(35+i) for j in range(10): Cells(int(Row),int(5+j)).Value="string" for i in range(100): Row=int(135+i) for j in range(10): Cells(int(Row),int(5+j)).Value=32.32 #float Generate_Excel_Report() The strangest for me is that when I run the script with the same code, the same input many times, then sometimes an error occurs, sometimes not. Thanks in advance for any help

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• Perl DBI doesn't work with Oracle 11g

  - by John

  I am getting the following error connecting to an Oracle 11g database using a simple perl script: failed: ERROR OCIEnvNlsCreate. Check ORACLE_HOME (Linux) env var or PATH (Windows) and or NLS settings, permissions, etc. at The script is as follows: #!/usr/local/bin/perl use strict; use DBI; if ($#ARGV < 3) { print "Usage: perl testDbAccess.pl dataBaseUser dataBasePassword SID dataBasePort\n"; exit 0; } my ($user, $pwd, $sid, $port) = @ARGV; my $host = `hostname`; my $dbh; my $sth; my $dbname = "dbi:Oracle:HOST=$host;SID=$sid;PORT=$port"; openDbConnection(); closeDbConnection(); sub openDbConnection() { $dbh = DBI->connect ($dbname, $user ,$pwd , { RaiseError => 1}) || die "Database connection not made: $DBI::errstr"; } sub closeDbConnection() { #$sth->finish(); $dbh->disconnect(); } Anyone seen this problem before? /john

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• ResolveUrl Problem in Master Page

  - by Tarik

  Okay, I know it is weird but when I put this code between <head runat="server"></head> in master.page, this is how it renders into: <link id="ctl00_Link1" rel="shortcut icon" href="../%3C%25%20ResolveUrl(%22~/Resources/Pictures/Shared/Misc/favicon.ico%22);%20%25%3E" type="image/x-icon" /> It doesn't see something asp.net needs to take care of. This is the original code : <link id="Link1" rel="shortcut icon" href='<%=ResolveUrl("~/Resources/Pictures/Shared/Misc/favicon.ico") %>' type="image/x-icon" runat="server" /> Basically Asp.Net doesn't take care of the code below and renders as a normal html. How can I get over this problem? Thanks in advance... Edit and Resolved Okay people, there is no way for doing this. I've finally figured out because ResolveUrl or ResolveClientUrl is only working for these below : @import '<%= ResolveUrl("~/Resources/Styles/MainMaster/MainDesign.css") %>'; <script src='Resources/Scripts/Libraries/jquery-1.4.2.js' type="text/javascript"</script> it is too literal for link so you need to put link elements in body tag like : <body> <link id="iconOne" rel="shortcut icon" type="image/x-icon" href="Resources/Pictures/Shared/Misc/favicon.ico"/> <link id="iconTwo" rel="icon" href='Resources/Pictures/Shared/Misc/favicon.ico' type="image/ico" /> </body>

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• Post Loading ads - using appendChild to move an IFRAME with text link ads

  - by Prem

  I have changed code around to basically load an add the bottom of the page in a hidden div and attached an onload event handler that called document.getElementById(xxx).appendChild() to take the hidden ad and move it into the right spot in my page. This works GREAT.. however when the ad is a text ad it AFTER i move the ad there is nothing in the rendered Iframe. I did tests to see what it looks like before i move it and sure enough the text links load in the IFRAME but the second i do the appendChild call to move the div that contains the ad i seem to loose the contents of the Iframe. Any ideas whats going on <div id="myad" style="display: none;"> GA_googleFillSlot("MyADSlotName"); </div> <script> window.onload = function() { // leader board document.getElementById('adplaceholder').appendChild(document.getElementById('myAd')); document.getElementById('myAd').style.display = ''; </script> UPDATE: I think what the problem here is that on text ads google writes to the iframe directly inserting the relevant text links where are on other ads it uses the iframe to just point to some src. seems like when i do the appendchild, if there is no "src" set for the iframe after the copy is done the iframe in the new location contains nothing... guess it does a reload on the src? Any way around this??

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• Rails - difference between config.cache_store and config.action_controller.cache_store?

  - by gsmendoza

  If I set this in my environment config.action_controller.cache_store = :mem_cache_store ActionController::Base.cache_store will use a memcached store but Rails.cache will use a memory store instead: $ ./script/console >> ActionController::Base.cache_store => #<ActiveSupport::Cache::MemCacheStore:0xb6eb4bbc @data=<MemCache: 1 servers, ns: nil, ro: false>> >> Rails.cache => #<ActiveSupport::Cache::MemoryStore:0xb78b5e54 @data={}> In my app, I use Rails.cache.fetch(key){ object } to cache objects inside my helpers. All this time, I assumed that Rails.cache uses the memcached store so I'm surprised that it uses memory store. If I change the cache_store setting in my environment to config.cache_store = :mem_cache_store both ActionController::Base.cache_store and Rails.cache will now use the same memory store, which is what I expect: $ ./script/console >> ActionController::Base.cache_store => #<ActiveSupport::Cache::MemCacheStore:0xb7b8e928 @data=<MemCache: 1 servers, ns: nil, ro: false>, @middleware=#<Class:0xb7b73d44>, @thread_local_key=:active_support_cache_mem_cache_store_local_cache> >> Rails.cache => #<ActiveSupport::Cache::MemCacheStore:0xb7b8e928 @data=<MemCache: 1 servers, ns: nil, ro: false>, @middleware=#<Class:0xb7b73d44>, @thread_local_key=:active_support_cache_mem_cache_store_local_cache> However, when I run the app, I get a "marshal dump" error in the line where I call Rails.cache.fetch(key){ object } no marshal_dump is defined for class Proc Extracted source (around line #1): 1: Rails.cache.fetch(fragment_cache_key(...), :expires_in => 15.minutes) { ... } vendor/gems/memcache-client-1.8.1/lib/memcache.rb:359:in 'dump' vendor/gems/memcache-client-1.8.1/lib/memcache.rb:359:in 'set_without_newrelic_trace' What gives? Is Rails.cache meant to be a memory store? Should I call controller.cache_store.fetch in the places where I call Rails.cache.fetch?

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• DB2 with mod_perl not working, works fine in CGI

  - by Matthew

  Hi, I'm having issues with getting DBI's IBM DB2 driver to work with mod_perl. My test script is: #!/usr/bin/perl use CGI; use Data::Dumper; use DBI; $q = CGI->new; print $q->header; print $q->start_html(); $dsn = "DBI:DB2:SAMPLE"; $username = "username"; $password = "password"; $dbc = DBI->connect($dsn, $username, $password); $sth = $dbc->prepare("SELECT * FROM SOME_TABLE WHERE FIELD='SOMETHING'"); $sth->execute(); $row = $sth->fetchrow_hashref(); print "<pre>".$q->escapeHTML(Dumper($row))."</pre>"; print $q->end_html; This script works as CGI but not under mod_perl. I get this error in apache's error log: DBD::DB2::dr connect warning: [unixODBC][Driver Manager]Data source name not found, and no default driver specified at /usr/lib/perl5/site_perl/5.8.8/Apache/DBI.pm line 190. DBI connect('SAMPLE','username',...) failed: [unixODBC][Driver Manager]Data source name not found, and no default driver specified at /data/www/perl/test.pl line 15 First of all, why is it using ODBC? The native DB2 driver is installed (hence it works as CGI). Running Apache 2.2.3, mod_perl 2.0.4 under RHEL5. This guy had the same problem as me: http://www.mail-archive.com/[email protected]/msg22909.html But I have no idea how he fixed it. What does mod_php4 have to do with mod_perl? Any help would be greatly appreciated, I'm having no luck with google.

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• Jquery html grab + calling a controller action using javascript (ruby on rails)

  - by Zind

  Preface: I consider myself "slightly effective" in ruby on rails, and a complete novice in javascript. Also, yes, I have installed jQuery and associated plugins instead of the default Prototype library. I am in a situation where I am pulling in a table from off-site in an iframe (which is taking care of all internal JS for me) such that when a part of the table is clicked, a td will gain the class "active." What I would like to do is take this info (I'm assuming I can get it in a string format), and pass it to a method (in my controller, I'm assuming) which will parse the html, pull out the pertinent info, and then call a creation method in the same controller with the parsed info, the end result being a new item in that table. What I have so far is javascript which I believe is correct so far: <script type="text/javascript"> var ImportInfo = function() { var info = $('td.active').html(); // call controller action which parses the given string, //checks for existence in database, and adds new row if needed } $("#Import").click(ImportInfo); </script> and, of course, a button with id="ImportLocation." I have looked at this question: http://stackoverflow.com/questions/1334447/using-jquery-to-call-a-controller-action but am somewhat unsure as to how to call a controller action to pass the contents of the td as a string. Is this doable with the jQuery post method?

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• onmouseover with django / imagekit

  - by Michael Moreno

  I'm using Imagekit. View.py includes: def pics(request): p = Photo.objects.all() return render_to_response('Shots.html', {'p': p}) The following simple code in the template will generate associated images: {% for p in p %} <img src = "{{ p.display.url }}"> <img src = "{{ p.thumbnail_image.url }}"> {% endfor %} I'm attempting to generate a series of thumbnails {{ p.thumbnail_image.url }} which, when mouseover'd, will generate the slightly larger version of the image, {{ p.display.url }} via Javascript. The following code in the template attempts to do so: <html> <head> <HEAD> <script language="Javascript"> { image1 = new Image image2 = new Image image1.src = {{ p.thumbnail_image.url }} image2.src = {{ p.display.url }} </script> </head> <body> {% for p in p %} <a href="" onMouseOver="document.rollover.src= image2.src onMouseOut="document.rollover.src= image1.src"> <img src="{{ p.thumbnail_image.url }}" border=0 name="rollover"></a> {% endfor %} </body> </html> This will display the series of thumbnails, but the larger image will not display when mouseover'd. I believe it has to do with how I'm specifying the variable {{ p.display.url }}.

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• InvalidAuthenticityToken for JQuery despite setting authenticity token

  - by user117046

  I'm getting an InvalidAuthenticityToken despite adding in corresponding authenticity tokens in the jquery response. Is there an error in the code, or is there another, root problem? I appreciate any comments. Thanks! Using: Rails 2.3.3, Ruby 1.8.6, Webrick, JQuery 1.3.2 layout/networks.html.haml = token_tag = javascript_tag "window.AUTH_TOKEN = '#{form_authenticity_token}';" javascripts/application.js $(document).ready(function() { // All non-GET requests will add the authenticity token // if not already present in the data packet $(document).ajaxSend(function(event, request, settings) { if (typeof(window.AUTH_TOKEN) == "undefined") return; // <acronym title="Internet Explorer 6">IE6</acronym> fix for http://dev.jquery.com/ticket/3155 if (settings.type == 'GET' || settings.type == 'get') return; settings.data = settings.data || ""; settings.data += (settings.data ? "&" : "") + "authenticity_token=" + encodeURIComponent(window.AUTH_TOKEN); }); ajaxLinks(); }); The rendered html has: <input name="authenticity_token" type="hidden" value="ZaXj3ACQl+8JKtaDAUoxtSsqzEagSPyHbS25ai9qWCw=" /> <script type="text/javascript"> //<![CDATA[ window.AUTH_TOKEN = 'ZaXj3ACQl+8JKtaDAUoxtSsqzEagSPyHbS25ai9qWCw='; //]]> </script> and breakpointing through, shows that window.AUTH_TOKEN has been set. Any help to resolve this would be great.

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• Why does this code send the form input to the URL?

  - by marcamillion

  How do I get this form input to be stored in a variable, that I can then use later - rather than being appended to the end of the URL? <script type="text/javascript"> $(function() { var tag_box = $("<div>").appendTo("body").css({ "width": "40px", "height":"40px", "border":"4px solid #000000", "position":"absolute", "display":"none", "padding":"15px" }); var comment_box = $("<form action='#'><input id='comment' type='text' name='comment' placeholder='Add comment'></form>").appendTo(tag_box).css({"position":"absolute"}); $("#image-wrapper").live("click", function(e) { tag_box.css({ "left": e.pageX - 40, "top": e.pageY - 40, "display": "block" }) .after(comment_box.css({ "left": e.pageX - 65, "top": e.pageY + 40 })); return false; }); }); </script> <body> <div align="center"> <img src="images/ror1.gif" width="760" height="182" alt="Ror1" id="image-wrapper"> </div> </body>

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• Problem linking and printing in parent iframe

  - by Mikersson

  I have a page with 3 iframes: Header, Pictures, and footer: The look U can see it here: http://www.pixelperu.net/iframe/iframe.jpg/iframe <script Language="javascript"> function printfile() { window.frames['pictures'].focus(); window.frames['pictures'].print(); } </script> | </head> <body> <div id="wrapper"> <div id="header"> <iframe id="header" src="header.html" ></iframe> </div> <div id="content"> <iframe id="pictures" src="arm001.html" Scrolling="no"> </iframe> </div> <div id="footer"><iframe id="footer" src="footer.html" > </iframe></div> </div> </body> </html> The header iframe have next code: </head> <body> <div id="header"> <div class="navBar">First Page | Next page | Back page | Last page | <p><input type="button" value="Print" onclick="javascript: printfile();"></p></div> </body> When I click on "Next Page" the content should be showed in "pictures" iframe. Also when I wanna print, it should print the "Pictures iframe" Where shuld I put the JavaScritp? in the index page? or in the header page? Thank you

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• Canvas rotate from bottom center image angle?

  - by Tom

  How do you rotate an image with the canvas html5 element from the bottom center angle? See http://uptowar.com/test.php for my current code and image: <html> <head> <title>test</title> <script type="text/javascript"> function startup() { var canvas = document.getElementById('canvas'); var ctx = canvas.getContext('2d'); var img = new Image(); img.src = 'player.gif'; img.onload = function() { ctx.translate(185, 185); ctx.rotate(90 * Math.PI / 180); ctx.drawImage(img, 0, 0, 64, 120); } } </script> </head> <body onload='startup();'> <canvas id="canvas" style="position: absolute; left: 300px; top: 300px;" width="800" height="800"></canvas> </body> </html> Unfortunately this seems to rotate it from the top left angle of the image. Any idea? Edit: in the end the object (space ship) has to rotate like a clock pointer, as if it is turning right/left.

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• DHTML with Javascript and CSS is not working

  - by Dennis Hodapp

  So for some reason this unobtrusive javascript code is not working and I can't figure out for the life of me why it won't work. I dynamically change the className of a div element and therefore I expect the CSS to reflect that change. However it doesn't. Here's the simplified code. html: <head> <title>Your Page</title> <link rel="stylesheet" type="text/css" href="style.css" /> <script type="text/javascript" src="us.js"></script> </head> <body> <div id="wrapper"> <h1 id="title">Your Page</h1> </div> </body> javascript: window.onload = function() { document.getElementById("wrapper").className = "2"; } css: #wrapper{ background-color: white; } #wrapper.1 { background-color: black; } #wrapper.2 { background-color: red; } #wrapper.3 { background-color: blue; } I look at the wrapper div in firebug and it shows the class being changed to "2". However, the webpage doesn't reflect that by changing the background color to be red. (it doesn't work with changing text color either. I tried that.). I know the CSS is correctly loading. So what is the problem?

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• Python libusb pyusb "mach-o, but wrong architecture"

  - by Jon

  I am having some trouble with the pyusb module. I have narrowed down the problem to a single line, and have created a small example script to replicate the error. #!/usr/bin/env python """ This module was created to isolate the problem in the pyusb package. Operating system: Mac OS 10.6.3 Python Version: 2.6.4 libusb 1.0.8 has been successfully installed using: sudo port install libusb I have also tried modifying /opt/local/etc/macports/macports.conf to force the i386 architecture instead of x86_64. """ from ctypes import * import ctypes.util libname = ctypes.util.find_library('usb-1.0') print 'libname: ', libname l = CDLL(libname, RTLD_GLOBAL) # RESULT: #libname: /usr/local/lib/libusb-1.0.dylib #Traceback (most recent call last): # File "./pyusb_problem.py", line 7, in <module> # l = CDLL(libname, RTLD_GLOBAL) # File "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ctypes/__init__.py", line 353, in __init__ # self._handle = _dlopen(self._name, mode) #OSError: dlopen(/usr/local/lib/libusb-1.0.dylib, 10): no suitable image found. Did find: # /usr/local/lib/libusb-1.0.dylib: mach-o, but wrong architecture # End of File This same script runs on Ubuntu 10.04 successfully. I have tried building the libusb module (directly from source AND through macports) for 32-bit (i386) instead of x86_64 (default for OS 10.6), but I receive the same error. Thank-you in advance for your help!

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• Cocoa Virtual Keystrokes Pain

  - by bhargav

  I'm writing an application to respond on a hotkey by copying highlighted text into NSPasteboard's generalPasteboard. After looking around here for a solution for sending virtual keystrokes, I found this: http://stackoverflow.com/questions/1505933/how-to-send-a-cmd-c-keystroke-to-the-active-application-in-objective-c-or-tell I tried the applescript suggested with NSAppleScript: NSLog(@"Hotkey Pressed"); NSPasteboard *pasteboard = [NSPasteboard generalPasteboard]; NSAppleScript *playScript; playScript = [[NSAppleScript alloc] initWithSource:@"tell application \"System Events\" to keystroke \"c\" using command down"]; if([playScript isCompiled] == NO){ [playScript compileAndReturnError:nil]; } id exerror = [playScript executeAndReturnError:nil]; if(exerror == nil){ NSLog(@"Script Failed"); } It works, but only on the first time I hit the hotkey. Each subsequent hit will not to grab the highlighted text. The generalPasteboard still contains the same contents as before the script is run again. Clearing the generalPasteboard before I run the code is no use, because then the code fails when attempting to read the pasteboard contents. So I tried the next suggested solution: CFRelease(CGEventCreate(NULL)); CGEventRef event1, event2, event3, event4; event1 = CGEventCreateKeyboardEvent (NULL, (CGKeyCode)50, true); event2 = CGEventCreateKeyboardEvent (NULL, (CGKeyCode)8, true); event3 = CGEventCreateKeyboardEvent (NULL, (CGKeyCode)8, false); event4 = CGEventCreateKeyboardEvent (NULL, (CGKeyCode)50, false); CGEventPost(kCGHIDEventTap, event1); CGEventPost(kCGHIDEventTap, event2); CGEventPost(kCGHIDEventTap, event3); CGEventPost(kCGHIDEventTap, event4); The above should send the keystrokes Command + c, but all I get is a beep, and the pasteboard contents are unchanged. I'm at wits end - can anyone enlighten me as to what I'm missing or point me out to what I'm overlooking for something so simple?

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• Having a hard time implementing jquery serialScroll to a website. Need help!

  - by Martin Defatte

  Here's the page I am attempting to implement it on. www.yosoh.com/2010/advertising/beyond/ I have a custom script with figures out the width of all the images, adds it up, then sets the width of that page... I'd like to be able to set the arrows at the top to scroll to the next div (div.portfolioImage). I've followed Ariel Fischer's demo and documentation as best I can... but something keeps escaping me. I've finally gotten some "movement" on page load.. but to tell you the truth, I can't figure out if it's my html structure, css styles, or implementation of serialScroll causing the issue. here's the code for the buttons: <ul id="portfolioNav"> <li><a href="" id="prev">&larr;</a></li> <li><a href="" id="next">&rarr;</a></li> </ul> Here's the script, as it is right now: $('#mainContent').css('overflow', 'hidden'); $('#mainContent').serialScroll({ items:'.portfolioItem', prev:'a#prev', next:'a#next', axis: 'x', duration:1200, force:true, stop:true, lock:false, easing:'easeOutQuart', jump: true });

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• How do I dynamically create a document for download in Javascript?

  - by Nelson

  I'm writing some Javascript code that generates an XML document in the client (via Google Earth plugin). I'd like the user to be able to click a button on the page and be prompted to save that XML to a new file. If I were generating the XML server-side this would be easy, just make the button open the link. But the XML is generated client-side. I've come up with a couple of hacks that half-work, inspired in part by this StackOverflow question. But neither completely work. Here's a demo HTML with embedded code: <html><head><script> function getData() { return '<?xml version="1.0" encoding="UTF-8"?><doc>Hello</doc>'; } function dlDataURI() { window.open("data:text/xml;charset=utf-8," + getData()); } function dlWindow() { var w = window.open(); w.document.open(); w.document.write(getData()); w.document.close(); } </script><body> <div onclick="dlDataURI()">Click for Data URL</div> <div onclick="dlWindow()">Click for Window</div> </body></html> The dlDataURI() version works great in Firefox, poorly in Chrome (can't save), and not at all in IE. The Window() version works OK in Firefox and IE, and not well in Chrome (can't save, XML embedded inside HTML). Neither version ever prompts a user download, it always opens a new window trying to display the XML. Is there a good way to do what I want in client side Javascript? I'd like this to work in today's browsers, ideally Firefox, MSIE 8, and Chrome.

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• Iterating throgh mvc model lists using javascript

  - by kapil

  I want to iterate through my model values. Following is what I did to achieve this. But the varible count never increments. How can I increment it to iterate throgh my model values? <script language="javascript" type="text/javascript"> function AddStudentName() { var StudentName = document.getElementById('txtStudentName').value; StudentName= StudentName.replace(/^\s+|\s+$/g, ''); if(StudentName!= null) { <%int count = 0; %> for(var counter = 0; parseInt(counter)< parseInt('<%=Model.StudentInfo.Count%>',10); counter++) { alert('<%=count%>'); if('<%=Model.StudentInfo[count].StudentName%>' == StudentName) { alert("A student with new student name already exists."); return false; } <%count = count +1;%> } } } </script> thanks, Kapil

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• Are the old httpHandlers and httpModules elements needed in IIS7?

  - by James Newton-King

  I'd like to clean up the web.config and remove unneeded XML. A default ASP.NET 3.5 web application has the follow elements in the web.config: <httpHandlers> <remove verb="*" path="*.asmx"/> <add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> <add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> <add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" validate="false"/> </httpHandlers> <httpModules> <add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> <add name="UrlRoutingModule" type="System.Web.Routing.UrlRoutingModule, System.Web.Routing, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> </httpModules> When running under IIS7, which has modules and handlers being registered under the system.webServer element, is the configuration above still needed?

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• JavaScript: Is there a way to get Chrome to break on all errors?

  - by Alessandro Vernet

  I am looking for an equivalent in Chrome to the "break on all errors" functionality of Firebug. In the Scripts tab, Chrome has a "pause on all exceptions", but this is not quite the same as breaking on all errors. For instance, when loading a page with the following code, I would like Chrome to break on the line foo.bar = 42. Instead, even when enabling the "Pause on all exceptions", I don't get the expected result. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <script type="text/javascript"> function doError() { foo.bar = 42; } window.onload = function() { try { doError(); } catch (e) { console.log("Error", e); } } </script> </head> <body> </body> </html> You can try the code pasted above on this page.

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• Regex to remove conditional comments

  - by cnu

  I want a regex which can match conditional comments in a HTML source page so I can remove only those. I want to preserve the regular comments. I would also like to avoid using the .*? notation if possible. The text is foo <!--[if IE]> <style type="text/css"> ul.menu ul li{ font-size: 10px; font-weight:normal; padding-top:0px; } </style> <![endif]--> bar and I want to remove everything in <!--[if IE]> and <![endif]--> EDIT: It is because of BeautifulSoup I want to remove these tags. BeautifulSoup fails to parse and gives an incomplete source EDIT2: [if IE] isn't the only condition. There are lots more and I don't have any list of all possible combinations. EDIT3: Vinko Vrsalovic's solution works, but the actual problem why beautifulsoup failed was because of a rogue comment within the conditional comment. Like <!--[if lt IE 7.]> <script defer type="text/javascript" src="pngfix_253168.js"></script><!--png fix for IE--> <![endif]--> Notice the <!--png fix for IE--> comment? Though my problem was solve, I would love to get a regex solution for this.

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• MS AJAX Library 4.0 Sys.create.dataView

  - by azamsharp

  One again Microsoft poor documentation has left me confused. I am trying to use the new features of the .NET 4.0 framework. I am using the following code to populate the Title and Director but it keeps getting blank. <script language="javascript" type="text/javascript"> Sys.require([Sys.components.dataView, Sys.components.dataContext,Sys.scripts.WebServices], function () { Sys.create.dataView("#moviesView", { dataProvider: "MovieService.svc", fetchOperation: "GetMovies", autoFetch: true }); }); </script> And here it the HTML code: <ul id="moviesView"> <li> {{Title}} - {{Director}} </li> </ul> IS THIS THE LATEST URL TO Start.js file. Here is the Ajax-Enabled WCF Service: [ServiceContract(Namespace = "")] [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)] public class MovieService { [OperationContract] public Movie GetMovies() { return new Movie() { Title = "SS", Director = "SSSSS" }; } } [DataContract] public class Movie { [DataMember] public string Title { get; set; } [DataMember] public string Director { get; set; } }

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• Problem with non blocking fifo in bash

  - by timdel

  Hi! I'm running a few Team Fortress 2 servers and I want to write a little management script. Basically the TF2 servers are a fg process which provides a server console, so I can start the server, type status and get an answer from it: ***@purple:~/tf2$ ./start_server_testing Auto detecting CPU Using AMD Optimised binary. Server will auto-restart if there is a crash. Console initialized. [bla bla bla] Connection to Steam servers successful. VAC secure mode is activated. status hostname: Team Fortress version : 1.0.6.1/15 3883 secure udp/ip : ***.***.133.31:27600 map : ctf_2fort at: 0 x, 0 y, 0 z players : 0 (2 max) # userid name uniqueid connected ping loss state adr Great, now I want to create a script which sends the command sm_reloadadmins to all my servers. The best way I found to do this is using a fifo named pipe. Now what I want to do is having this pipe readonly and non blocking to the server process, so I can write into the pipe and the server executes it, but still I want to write via console one the server, so if I switch back to the fg process of the server and I type status I want an answer printed. I tried this (assuming serverfifo is mkfifo serverfifo): ./start_server_testing < serverfifo Not working, the server won't start until something is written to the pipe. ./start_server_testing <> serverfifo Thats actually working pretty good, I can see the console output of the server and I can write to the fifo and the server executes the commands, but I can't write via console to the server anymore. Also, if I write 'exit' to the pipe (which should end the server) and I'm running it in a screen the screen window is getting killed for some reason (wtf why?). I only need the server to read the fifo without blocking AND all my keyboard input on the server itself should be send to the server AND all server ouput should be written to the console. Is that possible? If yes, how?

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