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• Are Cross Domain Flash Shared Objects (LSO aka Flash Cookie) possible

  - by user85155

  Hi, I found several solutions for creating Flash LSOs from JavaScript (for example: http://www.nuff-respec.com/technology/cross-browser-cookies-with-flash ) If Page (www.hostA.com/index.html) and the .swf file are from the same site, everything works fine. No I'm trying to load the page form www.hostA.com/index.html, which includes www.hostB.com/flashcookie.swf (different sites). But then I cannot read or store the LSO. I have tried several configurations (crossdomain.xml, Security.allowDomain("...") ), but nothing works. Is this kind of cross domain access to a LSO possible? Thanks -stephan

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• jQuery: ajax polling plugin alternative (instead of PeriodicalUpdater?)

  - by Lyon

  Hi, I'm trying to poll a script every few seconds. The script will return a timestamp, and if this timestamp is different from the previous (the first time is always true since it's comparing with nothing), then do something. Thing is PeriodicalUpdater seems to work fine for me. But I read that JSON.parse does not work in IE<8. I'm therefore hoping there's another alternative that would support more browsers out there? Is there another plugin that can do ajax polling? Thanks!

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• making urllib request in Python from the client side

  - by mridang

  Hi Guys, I've written a Python application that makes web requests using the urllib2 library after which it scrapes the data. I could deploy this as a web application which means all urllib2 requests go through my web-server. This leads to the danger of the server's IP being banned due to the high number of web requests for many users. The other option is to create an desktop application which I don't want to do. Is there any way I could deploy my application so that I can get my web-requests through the client side. One way was to use Jython to create an applet but I've read that Java applets can only make web-requests to the server it is deployed on and the only way to to circumvent this is to create a server side proxy which leads us back to the problem of the server's ip getting banned. This might sounds sound like and impossible situation and I'll probably end up creating a desktop application but I thought I'd ask if anyone knew of an alternate solution. Thanks.

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• Why don't web fonts in Firefox work on a different domain?

  - by mikez302

  I was experimenting with the fancy new OpenType font capability in Firefox 3.5 and I ran into a problem. I was trying to embed a font on a different domain than the page it would be used on, and it didn't work. I thought it may have been a bug, but from what I read on the MDC reference page, I noticed this note: In Gecko, web fonts are subject to the same domain restriction (font files must be on the same domain as the page using them), unless HTTP access controls are used to relax this restriction. It looks like they designed the browser that way on purpose. Out of curiosity, why would they do that? Is there any security risk with embedding a font? Or is it for legal trademark or copyright issues? Or something else?

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• what is duck typing?

  - by ashish yadav

  I recently read an article about duck-typing.It said about calling functions of different classes using object of any class. Is it true?And how will the compiler do it on runtime? I apologize if i am not clear.But it really fascinates me , if we could do it dynamically. So if u people got any idea.I am all ears. thank you!! how will the function be accessed by object of any other class. that violates the basic principle of OOP.and that too dynamically during runtime. And is this feature possible in case of OOP languages?

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• learning OO with PHP

  - by dole doug

  Hi there I've started to learn OO programming, but using the PHP language with the help of the "PHP 5 Objects, Patterns, and Practice" book. The thing is that I wish to learn to use into same time the CakePHP framework which make use a lot of the MVC pattern. Because I don't know much about OO and less about MVC I wish to understand the later one but assumptions I make with my OO knowledges might have bad impact on long term. Does anyone know a good tutorial about what means MVC (more than cakephp manual says about it, but more easy to read/understand than wikipedia)? TY

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• Python + MySQLdb executemany

  - by lhahne

  I'm using Python and its MySQLdb module to import some measurement data into a Mysql database. The amount of data that we have is quite high (currently about ~250 MB of csv files and plenty of more to come). Currently I use cursor.execute(...) to import some metadata. This isn't problematic as there are only a few entries for these. The problem is that when I try to use cursor.executemany() to import larger quantities of the actual measurement data, MySQLdb raises a TypeError: not all arguments converted during string formatting My current code is def __insert_values(self, values): cursor = self.connection.cursor() cursor.executemany(""" insert into values (ensg, value, sampleid) values (%s, %s, %s)""", values) cursor.close() where values is a list of tuples containing three strings each. Any ideas what could be wrong with this? Edit: The values are generated by yield (prefix + row['id'], row['value'], sample_id) and then read into a list one thousand at a time where row is and iterator coming from csv.DictReader.

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• Error using ASP.NET 3.5 Chart control within a Repeater control

  - by tuseau

  Hi, I'm getting the error "Microsoft JScript runtime error: Sys.WebForms.PageRequestManagerServerErrorException: Error executing child request for ChartImg.axd" at runtime from my Chart control. I have read one solution to this error message as documented here: http://social.msdn.microsoft.com/Forums/en-US/MSWinWebChart/thread/1dc4b352-c9a5-49dc-8f35-9b176509faa1/ but this does not solve my problem. I have the Chart within a Repeater control, which is within an ajax UpdatePanel. When I take the chart out of the Repeater (but leave it in the UpdatePanel), it works. So I'm thinking it is to do with the Repeater. Anyone got any ideas? Thanks in advance.

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• Redirecting http request to two different weblogic servers using the Weblogic proxy and Apache2

  - by Jhon

  Hello All, I've read previous posts like "Redirecting https requests to two different weblogic servers using the Weblogic proxy and Apache2". But I have a different situation and I don't think I'm understanding this to well. I have an Apache 2 server (server1) that will receive http request for my application. Then I have two more servers (server2 and server3) with Web Logic 9.2 runing on ports 7000 (server1) and 8000 (server2). I want the users to enter appname.domain.com and be redirected between the two web logic servers, always keeping appname.domain.com (this is hidding servername:port from URL). How can I manage to do that? Thanks in advanced! Jhon.

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• Trying to understand Java Classloading

  - by Jens

  Hello, I'm currently getting to know Java and OSGi, so I've read a few books. In one particular book the class loading is described. You can download it (free and legal) from the authors page (Neil Bartlett): OSGi Book On page 9 and 10 are this pictures: It seems like there is the possibility that our class "Foo" won't use the class "Bar" of foobar.jar, but instead class "Bar" from naughty.jar. Because of the flat and global structure of the Java classpath this could be, but as far as I know you would define a package from where you want to import a certain class: import foobar.Bar This should prevent loading the wrong class, shouldn't it? Of course assuming that the package is called "foobar".

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• BlackBerry - MainScreen with labels vertical scroll

  - by pajton

  I am trying to create a MainScreen with vertical scrolling. From what I've read in the documentation, MainScreen has a VerticalManager inside, so it should be possible to enable vertical scrolling only with proper construction, i.e: super(MainScreen.VERTICAL_SCROLL | MainScreen.VERTICAL_SCROLLBAR); This is not working for me, however. I am creating a screen, adding a couple of LabelFields and no scrollbar, no scrolling at all. I am testing on 8900, OS 5.0. Here is the code I use: public class ExampleScreen extends MainScreen { public ExampleScreen() { super(MainScreen.VERTICAL_SCROLL | MainScreen.VERTICAL_SCROLLBAR); create(); } private void add(String text) { add(new LabelField(text)); } private void create() { add("line 0"); add("line 1"); ... etc ... } } The question is am I doing something wrong? Is there a way to enable vertical scrolling with MainScreen or do I need to create a VerticalManager myself?

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• Named pipe is not flushing in Python

  - by BrainCore

  I have a named pipe created via the os.mkfifo() command. I have two different Python processes accessing this named pipe, process A is reading, and process B is writing. Process A uses the select function to determine when there is data available in the fifo/pipe. Despite the fact that process B flushes after each write call, process A's select function does not always return (it keeps blocking as if there is no new data). After looking into this issue extensively, I finally just programmed process B to add 5KB of garbage writes before and after my real call, and likewise process A is programmed to ignore those 5KB. Now everything works fine, and select is always returning appropriately. I came to this hack-ish solution by noticing that process A's select would return if process B were to be killed (after it was writing and flushing, it would sleep on a read pipe). Is there a problem with flush in Python for named pipes?

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• gitosis and git clone problem

  - by Alexey Poimtsev

  Hi, I have installed gitosis, but i have strange thing when i'm working with repos. In config i have [gitosis] [group gitosis-admin] writable = gitosis-admin members = me@server me@laptop [group prj1] writable = prj1 members = me@laptop and in /home/git/repositories i have created directory prj1.git with empty git repo. i can work with gitosis-admin from server and laptop without problems, but when i'm trying to git clone prj1 on my laptop i see $ git clone git@server:prj1.git Initialized empty Git repository in /Users/alec/temp/prj1/.git/ fatal: no matching remote head ok, lets push prj1 from laptop to server: $ git push origin master:refs/heads/master ERROR:gitosis.serve.main:Repository read access denied fatal: The remote end hung up unexpectedly Whats wrong?

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• What is the purpose of link shortener?

  - by gath

  I might be missing something here but am unable to understand the true purpose of link shortener services like bit.ly or is it just a lot of hype! Truly if you type nyti.ms on your URL bar on the browser it takes you to www.nytimes.com, but still what is so hard in typing "nytimes.com! which is far much comprehensible to read and understand leave alone to remember! Does shortening URL serve any purpose in web development? Why should someone want use obscure shortened URL?

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• Host new WF4 workflows in appfabric

  - by racingcow

  Hello, I am new to using AppFabric to host WF services. I am trying to write a workflow admin application that will allow users to create xaml workflow definitions using the hosted WF4 designer, and then somehow allow those workflow defitions to be automatically deployed and hosted in AppFabric with the click of a button. I have the designer going, and I have read a couple of tutorials on how to host workflow services in AppFabric such as http://msdn.microsoft.com/en-us/library/ee677238.aspx, but my problem is how to deploy and host the workflow services via code. Does anyone know if this sort of "autodeploy/host" thing can be done with AppFabric? If so, could you point me in the right direction on this? -David

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• Loading Images with Real Screen Resolution (Flash AS3)

  - by yar

  I am loading JPEGs into a Flash presentation using load with a flash.display.Loader and it's working great. The JPEGs are sizing to their native resolution (which is perfect). However, if I maximize the Flash presentation (in the Flash Player), the JPGs do NOT take advantage of the bigger screen. For example, the presentation is 1024x768, and the image is 1280x400. Normally the image shows with a part offscreen in the Flash presentation. However, if I expand the Flash presentation to 1680x1200, the freshly loaded image still goes offscreen. Is there any way to load the jpg (or png, or whatever) to take advantage of the displayed resolution of the Flash presentation? Edit: I realize this question is hard to read, so any help would be appreciated.

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• JQUery autocompleter not working properly in IE8

  - by Pete Herbert Penito

  Hi everyone! I have some script which is working in firefox and chrome but in IE 8 I get this error: $.Autocompleter.defaults = { inputClass: "ac_input", resultsClass: "ac_results", loadingClass: "ac_loading", minChars: 1, delay: 400, matchCase: false, matchSubset: true, matchContains: false, cacheLength: 10, max: 100, mustMatch: false, extraParams: {}, selectFirst: true, //the following line throws the error, read down for error message formatItem: function(row) { return row[0]; }, formatMatch: null, autoFill: false, width: 0, multiple: false, multipleSeparator: ", ", highlight: function(value, term) { return value.replace(new RegExp("(?![^&;]+;)(?!<[^<])(" + term.replace(/([\^\$()[]{}*.+\?\|\])/gi, "\$1") + ")(?![^<])(?![^&;]+;)", "gi"), "$1"); }, scroll: true, scrollHeight: 180 }; ` the specific error reads: '0' is null or not an object can I perhaps change the the row[0] to something? This is found in jquery.autocomplete.js and it reads the same in firefox and doesn't cause the error, so i don't really want to change this if at all possible. any advice would help thanks!

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• Is there a solution for deploying IIS websites that's similar to Capistrano?

  - by Matt Ephraim

  Capistrano is a great solution for building scripts that automatically deploy a website and/or a database. But, it's also very *nix centric, and from I've read it would probably be more trouble than it's worth to get it working with a Windows server. Is there a similar solution that would allow me to deploy an ASP.Net website to an IIS server and a SQL Server database? What I'm looking for is something that would allow the same kind of flexibility that Capistrano allows, as far customizing how I want the site to be deployed, what version control system I want to pull from, how it will handle rollbacks to a previous version of a site, etc. So far, I haven't been able to find a free solution that has the same sort of functionality that Capistrano has.

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• how to deep copy a class without marking it as serializable

  - by Gaddigesh

  I came across many questions on deep copy but non of them helped me I have a class say class A { ... public List<B> ListB; .... } where B is again another class which inturn may inherit/contain some other classes Take this scenario A is a very huge class and contain many reference types I can not mark B as serializable as i don't have access to source code of B(Though I can Mark A as serializable) Problem:below methods to perform deep copy does not work because I can not use Iclonable, memberwise clone technique as class A conatins many reference types I can not write a copy constructor for A , as the class is huge and keeps growing and contained classes (Like B) can't be deep copied I can't use serialization technique as i can not mark conatined class(like B, for which no source code avilaable) as serializable So how can I deep copy the object of Class A? (I read about "surrogate serialization" technique some where but not clear)

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• jquery dynatree class methods

  - by Jj Zhang

  I'm a new user of dynatree plugin. When I read the documentation, I found the list of tree and node class member functions, such as tree.getRoot(), node.countChildren(). However, when I tried to use them, it complained that no such methods were found. Here is a sample code I am testing with: var tree = ("#test").dynatree(treeData); var rootNode = tree.getRoot(); //not working var rootNode2 = ("#test").dynatree("getRoot"); //this works var numChildren = rootNode2.countChildren(); //not working Help please. Thanks. -JJ

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• Avoid XmlDocument validating namespaces in C#

  - by Abbey Kingston

  Hello, I'm trying to find a way of indenting a HTML file, I've been using XMLDocument and just using a XmlTextWriter. However I am unable to format it correctly for HTML documents because it checks the doctype and tries to download it. Is there a "dumb" indenting mechanism that doesnt validate or check the document and does a best effort indentation? The files are 4-10Mb in size and they are autogenerated, we have to handle it internal - its fine, the user can wait, I just want to avoid forking to a new process etc. Essentially, right now I use a MemoryStream, XmlTextWriter and XmlDocument, once indented I read it back from the MemoryStream and return it as a string. Failures happen for XHTML documents and some HTML 4 documents because its trying to grab the dtds. I tried setting XmlResolver as null but to no avail :(

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• HiLo: how to control Low values

  - by Sandor Drieënhuizen

  I'm using the HiLo generator in my S#rpArchitecture/NHibernate project and I'm performing a large import batch. I've read somewhere about the possibility to predict the Low values of any new records because they are generated on the client. I figure this means I can control the Low values myself or at least fetch the next Low value from somewhere. The reason I want to use this is that I want to set relations to other entities I'm about to insert. They do not exist yet but will be inserted before the batch transaction completes. However, I cannot find information about how to set the Low values or how to get what Low value is up next. Any ideas?

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• PECL install fails

  - by James

  Hey! I have browsed every Google result, read all the forum posts about this error, but I cannot solve it. When using PECL install for anything, I always end up getting this error: checking whether the C compiler works... configure: error: cannot run C compiled programs. Everything else succeeds up to that point them bam! I'm using CentOS 4.3, PEAR is the latest stable version, GCC is a stable and recent version. Everything is working as it should, but the C compiler always seems to error. I've tried to make tmp have the right privilages for the operation by temporarily enabling it using: mount -o remount,exec,suid /tmp But that doesn't work. I've literally tried everything that has been suggested by to no avail. Any ideas?

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• PHP File unreadable after being downloaded

  - by Drew

  Hi I have a script that creates a file and stores it on the server. The file is encoded in UTF-8 and is a kind of xml file for the cmap software. If i open the file directly from the server then there is no problem and the file can be read. I am forcing a download of this file when a user goes to a specific url. After such a download, the file is unreadable by the cmap software. I have to go into my text editor (notepad++) and change the encoding from UTF-8 to UTF-8 without BOM. Am I sending the wrong headers? Is php doing something to the file when it is downloading it? Any advice on this would really be appreciated. Cheers Drew

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• Simple way to return anonymous types (to make MVC using LINQ possible)

  - by BlueRaja The Green Unicorn

  I'd like to implement MVC while using LINQ (specifically, LINQ-to-entities). The way I would do this is have the Controller generate (or call something which generates) the result-set using LINQ, then return that to the View to display the data. The problem is, if I do: return (from o in myTable select o); All the columns are read from the database, even the ones (potentially dozens) I don't want. And - more importantly - I can't do something like this: return (from o in myTable select new { o.column }); because there is no way to make anonymous types type-safe! I know for sure there is no nice, clean way of doing this in 3.5 (this is not clean...), but what about 4.0? Is there anything planned, or even proposed? Without something like duck-typing-for-LINQ, or type-safe anonymous return values (it seems to me the compiler should certainly be capable of that), it appears to be nearly impossible to cleanly separate the Controller from the View.

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