How to add/update child entities when updating a parent entity in EF
The two entities are one-to-many relationship (built by code first fluent api). ``` public class Parent { public Parent() { this.Children = new List<Child>(); } public int Id...
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- 27 Nov at 17:17
In Swift how to call method with parameters on GCD main thread?
In my app I have a function that makes an NSRURLSession and sends out an NSURLRequest using ``` sesh.dataTaskWithRequest(req, completionHandler: {(data, response, error) ``` In the completion block...
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- 8 Nov at 08:35
How do you manually execute SQL commands in Ruby On Rails using NuoDB
I'm trying to manually execute SQL commands so I can access procedures in NuoDB. I'm using Ruby on Rails and I'm using the following command: ``` ActiveRecord::Base.connection.execute("SQL query") ```...
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- 15 May at 20:11
$(window).width() not the same as media query
I am using Twitter Bootstrap on a project. As well as the default bootstrap styles I have also added some of my own ``` //My styles @media (max-width: 767px) { //CSS here } ``` I am also using...
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- 24 Mar at 11:30
Get controller and action name from within controller?
For our web application I need to save the order of the fetched and displayed items depending on the view - or to be precise - the controller and action that generated the view (and the user id of cou...
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- 31 Aug at 09:14
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
I have installed Oracle 11g Express Edition Release 2 in my windows 7 64 bit OS and tried to execute JDBC program, then I got the following error: ``` java.sql.SQLException: Listener refused the conn...
Best way to structure a tkinter application?
The following is the overall structure of my typical python tkinter program. ``` def funA(): def funA1(): def funA12(): # stuff def funA2(): # stuff def funB(): ...
How to read a .xlsx file using the pandas Library in iPython?
I want to read a .xlsx file using the Pandas Library of python and port the data to a postgreSQL table. All I could do up until now is: ``` import pandas as pd data = pd.ExcelFile("*File Name*") ``...
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- 18 Jul at 18:9
What is the difference between synchronous and asynchronous programming (in node.js)
I've been reading [nodebeginner](http://www.nodebeginner.org/) And I came across the following two pieces of code. The first one: ``` var result = database.query("SELECT * FROM hugetable"); cons...
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- 27 Nov at 06:40
Resize svg when window is resized in d3.js
I'm drawing a scatterplot with d3.js. With the help of this question : [Get the size of the screen, current web page and browser window](https://stackoverflow.com/questions/3437786/how-to-get-web-page...
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- 23 May at 12:34
How to change border color of textarea on :focus
I want to change border color of TEXTAREA on focus. But my code doesn't seem to working properly. The code is on [fiddle](http://fiddle.jshell.net/ffS4S/). ``` <form name = "myform" method = "post" ac...
Which datatype should be used for currency?
Seems like `Money` type is discouraged as described [here](https://groups.google.com/forum/?fromgroups=#!topic/sqlalchemy/USD3cdng9-s). My application needs to store currency, which datatype shall I b...
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- 20 Sep at 00:31
Aligning rotated xticklabels with their respective xticks
Check the x axis of the figure below. How can I move the labels a bit to the left so that they align with their respective ticks? I'm rotating the labels using: ``` ax.set_xticks(xlabels_positions) ...
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- 12 Feb at 06:0
How to access pandas groupby dataframe by key
How do I access the corresponding groupby dataframe in a groupby object by the key? With the following groupby: ``` rand = np.random.RandomState(1) df = pd.DataFrame({'A': ['foo', 'bar'] * 3, ...
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- 12 Nov at 23:51
Where does Chrome store extensions?
I looked in: ``` C:\Documents and Settings\username\Local Settings\Application Data\Google\Chrome\User Data\Default\Extensions ``` for unpacked extensions, but that folder is empty for me. For new...
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- 24 Feb at 10:59
How to pass data from 2nd activity to 1st activity when pressed back? - android
I've 2 activities, and . In `Activity1` I've a and . When the button is clicked is started. In `Activity2` I've an . I want to display the data retrieved from in in the in when back is press...
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- 28 Feb at 07:5
inline conditionals in angular.js
I was wondering if there is a way in angular to conditionally display content other than using ng-show etc. For example in backbone.js I could do something with inline content in a template like: ```...
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- 6 Aug at 18:4
Copy data into another table
How to copy/append data from one table into another table with same schema in SQL Server? let's say there is a query ``` select * into table1 from table2 where 1=1 ``` which creates `table1`...
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- 21 Apr at 12:25
Returning an array using C
I am relatively new to C and I need some help with methods dealing with arrays. Coming from Java programming, I am used to being able to say `int [] method()` in order to return an array. However, I h...
How to get current foreground activity context in android?
Whenever my broadcast is executed I want to show alert to foreground activity.
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- 17 Jan at 15:34
Get current URL in Twig template?
I looked around for the code to get the current path in a Twig template (and not the full URL), i.e. I don't want `http://www.sitename.com/page`, I only need `/page`.
How to split() a delimited string to a List<String>
I had this code: ``` String[] lineElements; . . . try { using (StreamReader sr = new StreamReader("TestFile.txt")) { String line; while ((li...
How to add two strings as if they were numbers?
I have two strings which contain only numbers: ``` var num1 = '20', num2 = '30.5'; ``` I would have expected that I could add them together, but they are being concatenated instead: ``` num1 +...
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- 8 Mar at 18:6
how to break the _.each function in underscore.js
I'm looking for a way to stop iterations of underscore.js `_.each()` method, but can't find the solution. jQuery `.each()` can break if you do `return false`. Is there a way to stop underscore each()...
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- 5 Feb at 10:48