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• Can you precompile and merge part of an ASP.NET website and then continue development?

  - by michielvoo

  A big part of the web site is precompiled and merged, since it's almost never going to change. The precompiled bits can be replaced in case of updates to the original. I want to continue development of new pages, but when I browse to a new page I get the following error: The file '/Website/Test/Default.aspx' has not been pre-compiled, and cannot be requested. Is there any way around this? Edit: If I remove the precompileApp.config file I get the contents of the marker files when I browse them: This is a marker file generated by the precompilation tool, and should not be deleted!

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• Compact representation of GUID/UUID?

  - by chakrit

  I need to generate a GUID and save it via a string representation. The string representation should be as short as possible as it will be used as part of an already-long URL string. Right now, instead of using the normal abcd-efgh-... representation, I use the raw bytes generated and base64-encode them instead, which results in a somewhat shorter string. But is it possible to make it even shorter? I'm OK with losing some degree of uniqueness and keeping a counter, but scanning all existing keys is not an option. Suggestions?

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• Dynamic find methods Vs conditional statements

  - by piemesons

  Student.find(:all, :conditions => [‘name = ? and status = ?’ ‘mohit’, 1]) Vs Student.find_all_by_name_and_status(‘mohit’, 1) Both the queries will result the same set of row but first one is preferable cause in the second way there will be exception generated method_missing and then rails will try to relate it as dynamic method. if fine then result set to returned. Can any body explain me this in a good manner. What exactly is happening behind the screen. Please correct me if i am wrong.

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• CakePHP session sharing between two apps, on the same domain

  - by Amit Yadav

  I am having two cakephp application working on the same domain. I access them like localhost:8080/wishlist & localhost:8080/lighthouse The wishlist is a separate cakePHP application and the lighthouse is a separate CakePHP application. The login page is at localhost:8080/lighthouse, now i want the session generated by the lighthouse application to be used in the wishlist application. The directory structure is /htdocs /wishlist /app /config .... /lighthouse /app /config .... I have edited the core.php file for both the application. I am using the same session cookie name and the same security sale but i am not able to get the session on the wishlist application. Can some one let me know how can i share session in between my two application.

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• Hybrid static/dynamic Google Map

  - by jonathanconway

  Ever noticed that when you go to maps.google.com and do a search (say, car wash), it renders a lot of results (represented by small circles) and a few prominent ones (seen as regular-size pins)? Notice how quickly it does this? From what I can tell from analyzing this in Firebug, much of this is generated on the server and sent to the client as a static image. However, it's still dynamic. You can still zoom in and out, or click on a result and see a dynamic InfoWindow rendered. Google have made the map quick and smooth using static images, while still making it flexible. Is there a way to do this kind of 'pre-loading' with my own Google Map (implemented with the Google Maps API)?

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• Dynamically evaluating simple boolean logic in Python

  - by a paid nerd

  I've got some dynamically-generated boolean logic expressions, like: (A or B) and (C or D) A or (A and B) A empty - evaluates to True The placeholders get replaced with booleans. Should I, Convert this information to a Python expression like True or (True or False) and eval it? Create a binary tree where a node is either a bool or Conjunction/Disjunction object and recursively evaluate it? Convert it into nested S-expressions and use a Lisp parser? Something else? Suggestions welcome.

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• iPhone – Best method to import/drawing UI graphic elements? CGContextDrawPDFPage?

  - by Ross

  Hello, What is the best way to use the custom UI graphics on the iPhone? I've come across CGContextDrawPDFPage and Panic's Shrinkit. Should I be using storing my vector ui graphics as PDF's and loading them using CGContextDrawPDFPage to draw them. I did previously asked what way Apple store their UI graphics and was answered crushed png. The options as I see it, but I would really want to know what technique other people use. This question is for vector graphics only. Looking for what is standard / most effective / most efficient. PNG (bitmapped image) Custom UIView drawing code (generated from Opacity) PDF (I've not used this method, is it with CGContextDrawPDFPage?) Many thanks Ross

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• Django: reverse lookup URL of feeds?

  - by Santa

  I am having trouble doing a reverse URL lookup for Django-generated feeds. I have the following setup in urls.py: feeds = { 'latest': LatestEntries, } urlpatterns = patterns('', # ... # enable feeds (RSS) url(r'^feeds/(?P<url>.*)/$', 'django.contrib.syndication.views.feed', {'feed_dict': feeds}, name='feeds_view'), ) I have tried using the following template tag: <a href="{% url feeds_view latest %}">RSS feeds</a> But the resulting link is not what want (http://my.domain.com/feeds//). It should be http://my.domain.com/feeds/latest/. For now, I am using a hack to generate the URL for the template: <a href="http://{{ request.META.HTTP_HOST }}/feeds/latest">RSS feeds</a> But, as you can see, it clearly is not DRY. Is there something I am missing?

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• Counting texels using a fragment shader

  - by Brett

  Hi, I have two textures generated using a fragment shader. I want to be able to count the number of texels in each texture that are above some colour intensity. My question is how can this be done? My initial thought is to count these texels using the fragment shader before generating the texture. However, this would require some sort of global counter. I can't use occlusion queries because the textures are created from other textures. I'm using OpenGL 2.1. Any ideas appreciated. Thanks

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• How to Maintain per-Client State in a WCF Service?

  - by tbischel

  I've created a WCF service in which I would like it to maintain state between calls from the client. I figured the easiest way to do this was to add this attribute to the service: [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession)] since this is supposed to keep a separate service alive for each client over the life of the client proxy (or timeout in the extreme case). I also added a test function that tracks a list of user inputs, and spits out a concatenated string with all the inputs over the life of the service. When I run this in the test client generated by visual studio, I find that the list I was using to hold past data is reset with each call. Is there something else I need to do to maintain state per session?

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• Returning value of static property from public instance property

  - by Jamie Dixon

  I was just playing around with some code in LINQPad and managed to crash the program with a stackoverflow exception. I basically created a static property in a class and used another property to return the value from an instance. The getter of my instance property would return the value of the static property, but the setter would set itself. When would this type of pattern be used and how come it generated a stackoverflow exception? Code example of what I did: void Main() { SomeClass myinstance = new SomeClass(); SomeClass.x = "Some Value"; myinstance.y = "Some other value"; myinstance.y.Dump(); } public class SomeClass { public static string x; public string y { get { return x; } set { y = value; } } }

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• Hot to trigger saved password autofill in browsers?

  - by Aleksander Kmetec

  I have a web application written in pure JavaScript (no pre-generated HTML except for the document which loads all the JS files). This app contains a login form which is created dynamically when the document.ready event event is triggered. I trick the browser into displaying the "Remember password?" dialog by posting the login form into a hidden iframe before logging in using ajax (in Firefox the password appears on the saved password list, so this part obviously works) but saved passwords never get filled in after the login screen is loaded again at a later time. The same thing happens in Firefox and Safari. Is there something I can do or some function I can call to trigger autofill?

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• WPF DataGrid default column types

  - by Trindaz

  Hi, I'm using a DataGrid to display 2 possible types of DataRow in a DataTable. One type has the column Parent = NULL and the other has Parent set to another DataRow in the same DataTable. The list of column in the DataTable is always different, so explicitly describing each column is not possible. I want to display a UserControl in every cell of the Parent = DataRow rows, and default Text / Check boxes for the Parent = NULL rows. My first strategy is to try and set the default Column type for all automatically generated columns to be a DataGridTemplateColumn, regardless of datatype, so that I can use styles to then use either my UserControl or CheckBox or TextBox where required. How can I do this? More importantly, though, is there a better strategy than this? Cheers, Dave

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• Index was outside the bounds of the array. IndexOutOfRangeException in LINQ to SQL

  - by gtas

  Im getting this exception in the protected virtual void SendPropertyChanged(String propertyName) { if ((this.PropertyChanged != null)) { this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); <---- HERE !!! } } of one recently table association i created, there lots of same associations around the database, and this happened in the 4 specific tables i added. Its 1...* relationship and association is Primary Table - Id (identity auto generated) Foreign PId column int not null. I just dont get it....Im using SqlMetal for generation, i regenerated the schema, rebuild, same. This is causing while inserting row in DevExpress XtraGrid, but i dont think this should be issue, same control with same functionality but for different tables works ok. I use grid's event for append value in a property when the entity creating. I disabled this but same again. Recreated the association. No change, exception occurs. Any ideas?

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• Library to parse ERB files

  - by Douglas Sellers

  I am attempting to parse, not evaluate, rails ERB files in a Hpricot/Nokogiri type manner. The files I am attempting to parse contain HTML fragments intermixed with dynamic content generated using ERB (standard rails view files) I am looking for a library that will not only parse the surrounding content, much the way that Hpricot or Nokogiri will but will also treat the ERB symbols, <%, <%= etc, as though they were html/xml tags. Ideally I would get back a DOM like structure where the <%, <%= etc symbols would be included as their own node types. I know that it is possible to hack something together using regular expressions but I was looking for something a bit more reliable as I am developing a tool that I need to run on a very large view code base where both the html content and the erb content are important. For example, content such as: blah blah blah <divMy Great Text <%= my_dynamic_expression %</div Would return a tree structure like: root - text_node (blah blah blah) - element (div) - text_node (My Great Text ) - erb_node (<%=)

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• Django foreign key question

  - by Hulk

  All, i have the following model defined, class header(models.Model): title = models.CharField(max_length = 255) created_by = models.CharField(max_length = 255) def __unicode__(self): return self.id() class criteria(models.Model): details = models.CharField(max_length = 255) headerid = models.ForeignKey(header) def __unicode__(self): return self.id() class options(models.Model): opt_details = models.CharField(max_length = 255) headerid = models.ForeignKey(header) def __unicode__(self): return self.id() AND IN MY VIEWS I HAVE p= header(title=name,created_by=id) p.save() Now the data will be saved to header table .My question is that for this id generated in header table how will save the data to criteria and options table..Please let me know.. Thanks..

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• How to remove check digit from a barcode

  - by Teddy

  Hi. I have barcodes generated with Code 39 symbology. Some of the barcodes contain check digit, and some does not. So, how can I prevent barcode scanner to pass the check digit to the pc? Or is there another way I can check if the barcode has a check digit in .Net? For example, the encoded data is 1642, but the the barcode scanner reads 16425 and I might have data a barcode with encoded data 16425. I need to distinguish both cases either in the code, or in the barcode scanner. Thanks.

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• XML documentation to context sensitive help

  - by Yonas

  These days a number of commercial and open source tools have been developed for this purpose. However(unfortunately), non of them meet my requirement for specific problem I am dealing with. Currently, I am working on a project that exposes a different classes and functions to user as scripting interface. the user can use the objects from custom scripting interface and call methods to solve some specific problem. The problem I am facing is users of my classes need some sort of documentation in order to write their script efficiently. To address this problem am planing to use the compiler generated XML file to provide context sensitive help, which allows users to mouse over on any of the controls and corresponding methods from the GUI and read the reference documentation of the class/method. Now ... here are my questions: Can I get the sample source code? Can any one give me someone point me to some sort of best approach to address the problem?

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• Dyanamic client side validation

  - by Noel

  Is anyone doing dyanamic client validation and if so how are you doing it. I have a view where client side validation is enabled through jquery validator ( see below) <script src="../../Scripts/jquery-1.3.2.js" type="text/javascript"></script> <script src="../../Scripts/jquery.validate.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftMvcJQueryValidation.js" type="text/javascript"></script> <% Html.EnableClientValidation(); %> This results in javascript code been generated on my page which calls validate when I click the submit button: function __MVC_EnableClientValidation(validationContext) { .... theForm.validate(options); } If I want validation to occur when the onblur event occurs on a textbox how can i get this to work?

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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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• Multiple client projects to one server project w/ Silverlight & RIA Services Beta

  - by Dale Halliwell

  The type or namespace name 'Resources' does not exist in the namespace 'MyWebProject.Web' (are you missing an assembly reference?) C:\Users\...\MySecondProject\Generated_Code\MyWebProject.Web.g.cs I am having some problems trying to add a second SL client project to my (Ria services) SL Business Application. It has to do with the way the shared Resources files on the Web project are linked to from my new SL client project (the SL client project that was generated by the Business App template works fine). The same problem was brought up in the SL forums but copying the Web folder from my existing SL client doesn't seem to work. How can I add a second SL client project using RIA services to the solution of an existing SL Business Application without these problems over shared resources? Should I avoid the Business Application solution template for solutions with multiple SL clients since it seems to presume only a single client app will be sharing the resource files?

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• Switching Timezones in Perl's Template::Toolkit plugin Template::Plugin::Date

  - by aidan

  I have a calendar on my website, generated in Perl using Template::Toolkit and Template::Plugin::Date. It highlights the current day. I achieve this by iterating through all the dates (as I print the calendar) and comparing against the current date. Something like this: [% IF cur_date == date.format(format = '%Y-%m-%d') %] ... [% END %] It all works well until someone in Australia looks at it. (They are in a different timezone to me and my server in the UK). What's the best way to get Template::Plugin::Date to use a different time zone? It accepts a 'locale' parameter, but AFAIK this is only used for formatting.

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• Avoiding symbol capture when using macros to generate functions (or other macros)

  - by Rob Lachlan

  I'm a bit confused as to exactly when symbol capture will occur with clojure macros. Suppose that I have a macro which defines a function from keywords. In this trivial example, (defmacro foo [keywd1 keywd2] `(defn ~(symbol (name keywd1)) [~(symbol (name keywd2))] (* 2 ~(symbol (name keywd2))))) I call (foo :bar :baz), and this gets expanded into (defn bar [baz] (* 2 baz)). So now the question -- can this lead to symbol capture? If so, under what circumstances? I know that it's preferred to use gensym (e.g. bar#) to prevent symbol capture, but in some cases (not many, but still) I'd like to have a pretty macro-expansion, without the auto-generated symbols. Bonus question: does the answer change if we are considering a macro that creates macros?

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• External Reference to Richfaces modal

  - by John

  Hi, I need to get a <rich:modalPanel id="mod1" .../> component to load an external page on "show" action, defined as: <a4j:commandButton value="link" id="l1" reRender="mod1" oncomplete="Richfaces.showModalPanel('mod1')"> <f:setPropertyActionListener target="#{mybean.someParam}" value="#{myOtherbean.someOtherparam}" /> </a4j:commandButton> . My first try was with <rich:modalPanel id="mod1"> <ui:include src="#{mybean.generateURL()"/> </rich:modalPanel> but it just throws me a 404 page not found error, typing the generated URL directly into the address bar works perfectly fine. Does anyone know what's causing the problem , or what's the correct way to do this? The system is running on seam/richfaces. Thanks!

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• Connecting to a WCF Service in PHP that has a a NetTCP Binding and a BasicHttpBinding

  - by Justin Dearing

  I have a WCF service. It has multiple clients and three endpoints. The endpoint bindings are nettcp, wsHttp and basicHttp. If I attempt to connect to it via php'd builtin SoapClient class like so: $service = new SoapClient ("http://service.companyname.local:6666/Service/?wsdl", array( "location" => "http://service.companyname.local:6666/Service/Basic", "trace" => true, 'soap_version' => SOAP_1_1 ) ); I get the following: PHP Fatal error: SOAP-ERROR: Parsing WSDL: PHP-SOAP doesn't support transport 'http://schemas.microsoft.com/soap/tcp' in c:\www\client.php on line 666 Right now my workaround is to save the wsdl manually and remove the nettcp binding. Is there a workaround that will allow me to use the automatically generated wsdl? Can I hide a binding from the wsdl in web.config? Can I generate different wsdls on different bindings. I don't want to deploy two service hosts.

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