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  • No method 'get' on backbone model save

    - by user888734
    I'm using backbone for a reasonably complicated form. I have a number of nested models, and have been computing other variables in the parent model like so: // INSIDE PARENT MODEL computedValue: function () { var value = this.get('childModel').get('childModelProperty'); return value; } This seems to work fine for keeping my UI in sync, but as soon as I call .save() on the parent model, I get: Uncaught TypeError: Object #<Object> has no method 'get' It seems that the child model kind of temporarily stops responding. Am I doing something inherently wrong? EDIT: The stack trace is: Uncaught TypeError: Object #<Object> has no method 'get' publish.js:90 Backbone.Model.extend.neutralDivisionComputer publish.js:90 Backbone.Model.extend.setNeutralComputed publish.js:39 Backbone.Events.trigger backbone.js:163 _.extend.change backbone.js:473 _.extend.set backbone.js:314 _.extend.save.options.success backbone.js:385 f.Callbacks.o jquery.min.js:2 f.Callbacks.p.fireWith jquery.min.js:2 w jquery.min.js:4 f.support.ajax.f.ajaxTransport.send.d

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  • Compare TinyMCE and CKeditor for a Wiki

    - by Lakshman Prasad
    For a custom wiki django-wakawaka, i want to be able to add a WYSIWYG support. TinyMCE is obviously the most popular plugin, used even by Wordpress. But CK-editor seems more feature full. Those who have used either of these or both, which is better and why. Are there some better packages, that I am missing? Is there something that I am missing when I conclude CKeditor is better, by going through them (because it is not as widely used). I want to use it with django and jquery, with multiple instances of WYSIWYG widget per page. Does one offer advantage over the other.

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  • SQLite REGEXP initializer not working in production on Heroku

    - by morcutt
    I am using this to create a REGEXP in SQLite with rails because SQLite does not support REGEXP. When running this app on Heroku rather than the localhost it does not work. Is the initializer not being run when the app launches? The log files are providing .. 2011-03-04T18:35:36-08:00 app[web.1]: ActiveRecord::StatementInvalid (PGError: ERROR: syntax error at or near "REGEXP" 2011-03-04T18:35:36-08:00 app[web.1]: LINE 1: ... "posts".* FROM "posts" WHERE (message REGEXP '(?... 2011-03-04T18:35:36-08:00 app[web.1]: ^ 2011-03-04T18:35:36-08:00 app[web.1]: : SELECT "posts".* FROM "posts" WHERE (message REGEXP '(?:^|\s+)/(\w+)' and user_id = 1)): Which are similar to what the development files produced if I had deleted the implemented code. It seems as though the REGEXP initializer is not being run at startup.

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  • Using java class HttpsURLConnection

    - by KB22
    Hi all, I have a small piece of code which basically impements a HTTP-Client, i.e. it POSTS request and works with re RESPONSE. As long as HTTP is concenerned everthing work well. For some reason I now have to support HTTPS too. So here is briefly what I do in order to get a connection opened: URL url = new URL(serverAddress); HttpsURLConnection httpsConn = (HttpsURLConnection) url.openConnection(); This fails, stating: sun.net.www.protocol.https.HttpsURLConnectionImpl cannot be cast to com.sun.net.ssl.HttpsURLConnection I guess this is kinda trivial, but I just don't get what I'm doing wrong in this one... Googled it, and the code just looks right - not? any ideas are appreciated! thanks, K

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  • What's the best way to cancel an asynchronous WCF request?

    - by Pwninstein
    (Assuming a WCF method called "MyFunction") Currently, to support canceling a WCF request, I'm using the BeginMyFunction/EndMyFunction methods generated by svcutil (and handling an isCanceled flag when dispatching the results to the main thread). I'd like to use the MyFunctionAsync method (and hooking into MyFunctionAsyncCompleted event instead) for async calls instead of Begin/End. What is the best/supported way to handle canceling WCF requests if using MyFunctionAsyncCompleted, and still ensuring that the event doesn't get fired on a page that's no longer loaded (i.e. page navigation within a frame). Thanks!

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  • How do i create winxp style controls

    - by KoolKabin
    Hi guys, I am trying to make my controls look as cool as xp theme enabled controls like gradient fill background in container controls and colour thames support etc I am not finding a way to start. from where can i start doing it? I am trying to do it in vb.net Edited: EnableXpVisualStyles() I found it to enable visual styles but didn't give me visual thames to apply. So in order to apply thames or colour schemes what should i do? What other commands should i use with combination with it? as I have seen my application giving ugly look even applying that command and other program showing nice loook in my win2003 server

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  • How should my team decide between 3-tier and 2-tier architectures?

    - by j0rd4n
    My team is discussing the future direction we take our projects. Half the team believes in a pure 3-tier architecture while the other half favors a 2-tier architecture. Project Assumptions: Enterprise business applications Business logic needed between user and database Data validation necessary Service-oriented (prefer RESTful services) Multi-year maintenance plan Support hundreds of users 3-tier Team Favors: Persistant layer <== Domain layer <== UI layer Service boundary between at least persistant layer and domain layer. Domain layer might have service boundary between it. Translations between each layer (clean DTO separation) Hand roll persistance unless we can find creative yet elegant automation 2-tier Team Favors: Entity Framework + WCF Data Service layer <== UI layer Business logic kept in WCF Data Service interceptors Minimal translation between layers - favor faster coding So that's the high-level argument. What considerations should we take into account? What experiences have you had with either approach?

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  • Should I use C++0x Features Now?

    - by svu2g
    With the official release of VS 2010, is it safe for me to start using the partially-implemented C++0x feature set in my new code? The features that are of interest to me right now are both implemented by VC++ 2010 and recent versions of GCC. These are the only two that I have to support. In terms of the "safety" mentioned in the first sentence: can I start using these features (e.g., lambda functions) and still be guaranteed that my code will compile in 10 years on a compiler that properly conforms to C++0x when it is officially released? I guess I'm asking if there is any chance that VC++ 2010 or GCC will end up like VC++ 6; it was released before the language was officially standardized and consequently allowed grossly ill-formed code to compile. After all, Microsoft does say that "10 is the new 6". ;)

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  • Why can't I expose an interface in a .NET asmx web service?

    - by mcliedtk
    I have a .NET web service (using asmx...have not upgraded to WCF yet) that exposes the following: public class WidgetVersion1 : IWidget {} public class WidgetVersion2 : IWidget {} When I attempt to bind to the web service, I get the following serialization error: Cannot serialize member WidgetVersion1 of type IWidget because it is an interface. I have tried adding various attributes to the IWidget interface (XmlIgnore, SoapIgnore, NonSerialized), but they are not valid on an interface. Does anyone know why I am unable to expose the interface? I assume WSDL does not support interfaces, but couldn't .NET get around this by simply not serializing the interface? Are there any ways around this apart from removing the IWidget interface from the WidgetVersion1 and WidgetVersion2 class definitions?

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  • Database table design vs. ease of use.

    - by Gastoni
    I have a table with 3 fields: color, fruit, date. I can pick 1 fruit and 1 color, but I can do this only once each day. examples: red, apple, monday red, mango, monday blue, apple, monday blue, mango, monday red, apple, tuesday The two ways in which I could build the table are: 1.- To have color, fruit and date be a composite primary key (PK). This makes it easy to insert data into the table because all the validation needed is done by the database. PK color PK fruit PK date 2.- Have and id column set as PK and then all the other fields. Many say thats the way it should be, because composite PKs are evil. For example, CakePHP does no support them. PK id color fruit date Both have advantages. Which would be the 'better' approach?

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  • How to update Eclipse from 3.4 (Ganymede) to 3.5 (Galileo)?

    - by Vilx-
    I've got my Eclipse 3.4 envirnoment set up nice and cozy the way I like it. Took me some time too, to find all the plugins (Mylin, PDT, Subclipse), set all the settings, etc. Now I see that some of the plugins (like PDT) only support 3.5 in their latest versions. Is it possible to update from 3.4 to 3.5? I'd hate to do it all again. I read in some mailing list where they noted that it's possible, but the conversation trailed off in another direction. Google wasn't much help, and Eclipse's documentation either.

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  • Automated Testing tools for HTML5 Canvas

    - by user432195
    I'm looking for a tool to do some automated GUI testing on a HTML5 canvas component we're developing. Basically I'm looking for a tool that is able to record the clicks and events on the canvas component and is able to replay those events. So far most of the testing tools like Telerik WebUI Testing Suite, Selenium, TestSwarm, qUnit, Jasmine, Hudson seems that they don't fully support HTML5 canvas testing. Would you guys know a testing tool that already supports that ? If not, would you know how companies are doing automated testing of HTML5 canvas ? Thanks, Andy N.

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  • Why bother to limit the types imported from a python package?

    - by Fast Fish
    When using many IDEs that support autocompletion with Python, things like this will show warnings, which I find annoying: from eventlet.green.httplib import BadStatusLine When switching to: rom eventlet.green.httplib * The warnings go away. What's the benefit to limiting imports to a specific set of types you'll use? Is the parsing faster? Reduces collisions? What other point is there? It seems the state of python IDEs and the nature of the typing system makes it hard for many IDEs to fully get right when a type import works and when it doesn't.

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  • debugging on bsd using gdb or similar tootls

    - by agent.smith
    I have started using freebsd lately and realized gdb does not support remote debugging on it. Whenever, I try to do remote debugging using gdbserver, I run into SIGSEGV crashes and error message says can’t find definition of “r_debug_state”. Has anyone ever experienced this and solved it? Statically compiled single threaded programs can be compiled using gdbserver. However, other than that it is mostly looking difficult to use. Let me know if anyone knows any other tools to do remote application debugging on bsd or how to fix the issue. (I am on x64 freebsd 9) Thanks

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  • Why for only some actions must I call setTarget?

    - by Max Pierce
    For most actions, I just click and drag in InterfaceBuilder to "wire up" a call from some interface object to my code. For example, if I want to know when the user single-clicks a row in a table, I drag a connection from the table's action to my controller's action. But now let's consider the user double-clicking a row. If I want one of my actions to be called when this happens, I need to call not only -[NSTableView setDoubleAction] but also -[NSControl setTarget]. Why? To be clear, I am not asking why Interface Builder doesn't support setDoubleAction. All tools have limitations. I am trying to gain a greater understanding about how and why setTarget doesn't seem to be necessary unless and until I want setDoubleAction to work. Another way to ask this question would be: Why don't I need to do anything in Interface Builder to set the target of the table's (single-click) action?

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  • Has anyone been successful at a assembler based led blinker for an xcore?

    - by dwelch
    I am liking the http://www.xmos.com chips but want to get a lower level understanding of what is going on. Basically assembler. I am trying to sort out something as simple as an led blinker, set the led, count to N clear the led, count to N, loop forever. Sure I can disassemble a 10 line XC program, but if you have tried that you will see there is a lot of bloat in there that is in every program, what bits are to support the compiler output and what bits are actually setting up the gpio?

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  • Parsing and validating arbitrary date formats in ruby (on rails)

    - by Matt Briggs
    I have a requirement to handle custom date formats in an existing app. The idea is that the users have to do with multiple formats from outside sources they have very little control over. We will need to be able to take the format and both validate Dates against it, as well as parse strings specifically in that format. The other thing is that these can be completely arbitrary, like JA == January, FE == February, etc... to my understanding, chronic only handles parsing (and does it in a more magical way then I can use), and enter code here DateTime#strptime comes close, but doesn't really handle the whole two character month scenario, even with custom formatters. The 'nuclear' option is to write in custom support for edge cases like this, but I would prefer to use a library if something like this exists.

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  • How to use a servlet to repsond to a request for an object

    - by Rick
    I'm sure this is easy, but I don't work with website development very often and I'm lost on this one. I have a web application that needs to support multiple clients with different settings, icons and other content. The contents of these files are in separate directories for each client. What I would like to do is respond to a request sent to a jsp/java servlet. The servlet will look up the proper folder location in a database (I have the database stuff working) and send the actual object to the requesting page whether it is xml, graphic or video. How do I do that? What methods should I be using. Help I'm lost! :(

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  • Keypress event on inserted span (jQuery)

    - by Coder
    Hi, I've been researching for a long time, and haven't found a possible solution. The problem I have is that I'm trying to attach an event handler to an span element just inserted. So basically the problem is, when a user performs a particular action that I set (clicking a button by example) I call this function: function AppendSpan() { $('#mydiv').append('<span id="someid" contenteditable="true">Some TExt</span>'); //Then I want to handle the keypress event on the inserted span $('#someid').keypress(function(event){//Do something here}); } The problem is that the keypress event is never triggered on the inserted span, I tried with the click event and it works fine, but not the keypress or keydown,keyup events. I also tried with $('span').live("keypress",function(event){//Do something}); but didn't work. Any suggestions would be appreciated, I need this to work only in FF, so no support for IE required.

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  • How to export data which are mapped to enumerations

    - by Joshua
    I have a set of data which needs to be imported from a excel sheet, lets take the simplest example. Note: the data might eventually support uploading any locale. e.g. assuming one of the fields denoting a user is gender mapped to an enumeration and stored in the database as 0 for male and 1 for female. 0 and 1 being short values. If I have to import the values I cannot expect the user to punch in numbers (since they are not intuitive and is cumbersome when the enumerations are bigger), what would be the correct way to map to enumerations. Should we ask them to provide a string value in these cases (e.g. male or female) and provide the transformation to a enum in our code by wring a method public static Gender Gender.fromString(String value)

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  • Large file download for a Rails project

    - by Horace Ho
    One client project will be online two months later. One of the requirements changed is to support large files (10 to 15MB per RAW camera file, expected 1000 to 5000 files download per day) download worldwide for their customers. The process will be: there is upload screen via paperclip to the rails local public folder a hourly task to upload to web storage (S3?) update the download url from paperclip url to the web url Questions: is there a gem/plug-in for this purpose? if no, any gem/plug-in for S3 to recommend? Questions about the storage provider: is S3 recommended? or other service to recommend? The baseline is: the client's web server does not and will not have the bandwidth to handle the downloads. Thanks

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  • InnoDB not supported by webhost. What now?

    - by Peter Perhác
    I was developing a small WAMP web application on my laptop, where I have an instance of mySQL running and I chose InnoDB for my DB engine. After several weeks' development I wanted to make it available to the public and found out the database server provided by my web host does not support InnoDB, only MyISAM. The create-and-populate script generated from the innoDB schema on my laptop, when executed against the live database, can manage to create individual TABLES but then runs into problems creating the VIEWs. Are views not supported in MyISAM? I know FOREIGN KEYs are not. That's very much why I made the choice of InnoDB... What are my chances of making my innoDB schema design work with myISAM? Is there any straightforward way of converting the whole schema from one storage engine to the other? Should I look for another web host that does provide a mysql db that supports innoDB?

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  • How do I configure WinCE to use wildcard SSL certificates?

    - by Robin M
    Our Windows CE 5.0 application has a problem with our wildcard SSL certificate (*.domain.com) - it won't accept it as valid. I understand that Windows Mobile 6.0 has support for wildcard certificates (earlier versions don't) and that is built on WinCE 5 which suggests it should be possible to change WinCE 5 to accept wildcard certificates (EDIT - apparently this shows my limited understanding of the environment and isn't a valid presumption!). Can anyone suggest how we go about this? The change needs to be programmatic so that we can roll it out to hundreds of existing clients. Help!

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  • Zero KB SQLite File created by Core Data on application start up

    - by Tots
    I'm developing an iPhone application using Core Data. I had everything working and had to make an adjustment to the database schema and change the relationships through the xcdatamodel file. I deleted the my project's sqlite file in Library/Application Support/iPhone Simulator/3.1.3//Documents. Build and run the application, it creates the sqlite file, but its empty with a file size of 0 KB. At a minimum the table information should be in there. There are no errors/warning in the console. Anyone have an idea what is wrong?

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  • how to change locale in URL using Routing Filter gem Rails I18n application?

    - by Zack Xu
    I installed and set up routing-filter as described on the gem documentation page. https://github.com/svenfuchs/routing-filter It works for the default locale. For example, if I set up my default locale as :en,the site is in English, and if I set my default locale as :zh, the site is in Chinese. www.site.com/zh/home (the default locale path /en is automatically added to the URL) But how can I make my site support BOTH languages? when the default locale is :zh, I tried to change the URL by substituting the "zh" with "en" but the page is still in Chinese, not English. Is this something not supported by the routing-filter gem? If not, is there some other gem I can use? Or have I not set up the routing-filter gem properly? Thanks!

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