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• Can't get values from Sqlite DB using query

  - by Sana Joseph

  I used sqlite to populate a DB with some Tables in it. I made a function at another javascript page that executes the database & selects some values from the table. Javascript: function GetSubjectsFromDB() { tx.executeSql('SELECT * FROM Subjects', [], queryNSuccess, errorCB); } function queryNSuccess(tx, results) { …

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• How would I go about making an instant messaging system?

  - by Joseph

  Is there an API or anything to help build an application around the instant messaging capabilities of Live Messenger and others? What tools and systems could a developer leverage to help launch such functionality in their application?

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• Algorithm for Determining Variations of Differing Lengths

  - by joseph.ferris

  I have four objects - for the sake of arguments, let say that they are the following letters: A B C D I need to calculate the number of variations that can be made for these under the following two conditions: No repetition Objects are position agnostic Taking the above, this means that with a four object sequence, I can have only one sequence…

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• how to write own serializer/deserializer?

  - by joseph

  Hello, I need to save objects - instances of classes - in my app like some filetype. How I can write own serializer/deserializer for it? Or exist some easier way how to save objects to some filetype? Using of io.serialization was commented as not so good solution for "real" app. Why?

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• Reset selection of wx.lib.calendar.Calendar control?

  - by Joseph

  I have a wx.lib.calendar.Calendar control (not wx.lib.calendar.CalendarCtrl!). I am selecting a number of days using the following function call: self.cal.AddSelect([days], 'green', 'white') This works, and draws the days highlighted. However, I cannot work out how to reverse this (i.e., clear the selection so the days go back to their normal…

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• Nested Resource testing RSpec

  - by Joseph DelCioppio

  I have two models: class Solution < ActiveRecord::Base belongs_to :owner, :class_name => "User", :foreign_key => :user_id end class User < ActiveRecord::Base has_many :solutions end with the following routing: map.resources :users, :has_many => :solutions and here is the SolutionsController: class…

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• Rails editing multiple records at once

  - by Joseph Silvashy

  I feel like this might be really simple but I'm just not getting it right, so I have like a settings page in my app and I want each setting to be like a key value store, for example: +-------------------+--------------------------------+ | setting | value |…

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• how to call method of Owner?

  - by joseph

  Hello. I have Class1, which has methods: setSomething() createObjectOfClass2() Now, when I create object of Class2, is it possible to call setSomething method from it?

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• "Cannot find symbol" problem when using Class.forName().

  - by joseph

  I'm getting the Cannot find symbol error from my code. Does anyone know what can cause this problem? // Register JDBC driver Class.forName("net.sourceforge.jtds.jdbc.Driver"); method forName(java.Lang.String) Class.forName("net.sourceforge.jtds.jdbc.Driver); ^

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• Magento - Data is not inserted into database, but the id is autoincremented

  - by Joseph

  I am working on a new payment module for Magento and have come across an issue that I cannot explain. The following code that runs after the credit card is verified: $table_prefix = Mage::getConfig()->getTablePrefix(); $tableName = $table_prefix.'authorizecim_magento_id_link'; …

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• How to change the wordpress header request

  - by Joseph Carrington

  Let us say that I have a form to search by multiple tags in wordpress. <input type="checkbox" name="my_tags[]" value="tag1" /> <input type="checkbox" name="my_tags[]" value="tag2" /> I want to make it so that when my plugin sees that my_tags[] is set, it rewrites the request…

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• Parse (extract) DTMF in Python

  - by Joseph

  If I have a recorded audio file (MP3), is there any way to get the figure out the DTMF tones that were recorded in pure Python? (If pure python is not available, then Java is okay too. The point being that it should be able to run in Google Appengine)

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• JNI: dll function works ok in C++ main, but not with dll wrapper

  - by Joseph Lim

  I have an a.dll (not modifiable as i do not have the source) with a function bool openPort(DWORD mem).I wrote a c++ main, loaded this dll using LoadLibrary, and the function works well.It returns true. Now, I need to call this function from Java via JNI. I wrote another b.dll with a…

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• How would I go by making an IM system?

  - by Joseph

  SO i think its plausible to send and receive an Instant Message via sever codes. Just clearly wondering if there is an API or anything to function the possibility to send an IM to someone using MSN Live and others.

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• Rails, destroy if blank

  - by Joseph Silvashy

  This might sound odd, but is there a 'Rails way' to have a model destroyed if a certain attribute is blank? Say I have a model like tags with just a name attribute or something, if the user edits the tag and deletes all the text out of the name field in the form I'd like the model to…

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• When loading shopping cart in Magento with a new Payment module, I get an error I haven't been able

  - by Joseph

  I am trying to add a new payment module into Magento. However, even after commenting out the vast majority of the code, I still get the following error: Fatal error: Call to a member function isAvailable() on a non-object in /var/www/html/app/code/core/Mage/Payment/Helper/Data.php …

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• How to find whole graph coverage path in dynamic state-flow diagram?

  - by joseph

  Hello, As I've been researching algorithms for path finding in graph, I found interesting problem. Definition of situation: 1)State diagram can have p states, and s Boolean Fields, and z Int Fields 2)Every state can have q ingoing and r outgoing transitions, and h Int fields (h…

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• How to delete from table if count is greater than 20

  - by joseph

  Hi, I have a mysql table that I need to only contain 20 newest records before adding additional records. New rows are added daily so I would like it first delete any records that are greater than the 20 allowed starting with the earliest. The table contains an auto increment "id"…

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• Nginx redirect if cookie present

  - by Joseph Silvashy

  I've seen some limited resources on checking for cookies with Nginx, but I couldn't really find the answer I was looking for, hopefully some of you Nginx masters can give me a hand. Essentially I have a vhost that I'd like to redirect to a different domain unless the user has a…

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• Where I can get icons for my app?

  - by joseph

  Hello, I am looking for some icons for my app. I need some icons that represent UML, for example New diagram, new activity, new "arrow" or something that connects two activities or something like that. And lot more. And they should be free for commercial use.

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• Rails, different routes for production app.

  - by Joseph Silvashy

  Well, maybe not just different routes. Here is the issue at hand, we have an app that we want to present the users with a "beta sign-up" form when the app is running in production, but we still want to be able to login, however in development the app should function normally. …

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• Should I cache the XRDS file returned in openid?

  - by Joseph

  In the initial part of the openid sequence, I request the OP (e.g. Yahoo.com) and get back the XRDS file which tells me the actual URL I need to use for the rest of the openid process. So, can I cache this initial file. E.g. if I have hundreds of users using a Yahoo openid, I…

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• Can I pass a string variable into an <a href> tag for a website link?

  - by Joseph

  I am somewhat new to web developing, so I am trying to learn along the way. I have a div that is 500 x 500. Inside of that div I have two divs that are each 250x500. So my outer div is filled up with the two inner divs. I have it setup so that when I click on the first div…

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• php soapclient returns null but getPreviousResults has proper results

  - by Joseph.Chambers

  I've ran into trouble with SOAP, I've never had this issue before and can't find any information on line that helps me solve it. The following code $wsdl = "path/to/my/wsdl"; $client = new SoapClient($wsdl, array('trace' => true)); //$$textinput is passed in and is a…

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• how to put jpanel to a dialog box?

  - by joseph

  Hello, I need create custom dialog and put JPanel into it. Is it possible?

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