How to inflate one view with a layout
I have a layout defined in XML. It contains also: ``` <RelativeLayout android:id="@+id/item" android:layout_width="fill_parent" android:layout_height="wrap_content" /> ``` I would like...
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- 20 Jun at 07:49
Reshaping data.frame from wide to long format
I have some trouble to convert my `data.frame` from a wide table to a long table. At the moment it looks like this: ``` Code Country 1950 1951 1952 1953 1954 AFG Afghanistan 20...
jQuery find parent form
i have this html ``` <ul> <li><form action="#" name="formName"></li> <li><input type="text" name="someName" /></li> <li><input type="text" name="someOtherName" /></li> <li><input type...
Convert file path to a file URI?
Does the .NET Framework have any methods for converting a path (e.g. `"C:\whatever.txt"`) into a file URI (e.g. `"file:///C:/whatever.txt"`)? The [System.Uri](https://msdn.microsoft.com/en-us/library...
Find the most common element in a list
What is an efficient way to find the most common element in a Python list? My list items may not be hashable so can't use a dictionary. Also in case of draws the item with the lowest index should be ...
When should I use Kruskal as opposed to Prim (and vice versa)?
I was wondering when one should use [Prim's algorithm](http://en.wikipedia.org/wiki/Prim%27s_algorithm) and when [Kruskal's](http://en.wikipedia.org/wiki/Kruskal%27s_algorithm) to find the minimum spa...
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- 20 Mar at 15:41
Linq list of lists to single list
Seems like this is the kind of thing that would have already been answered but I'm unable to find it. My question is pretty simple, how can I do this in one statement so that instead of having to new...
How to split a delimited string in Ruby and convert it to an array?
I have a string `"1,2,3,4"` and I'd like to convert it into an array: ``` [1,2,3,4] ``` How?
How to get the class of the clicked element?
I can't figure it out how to get the `class` value of the clicked element. When I use the code below, I get `"node-205"` every time. jQuery: ``` .find('> ul') .tabs( { selectedClass: 'active', ...
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- 21 Dec at 14:36
C# Events and Thread Safety
I frequently hear/read the following advice: Always make a copy of an event before you check it for `null` and fire it. This will eliminate a potential problem with threading where the event becomes `...
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- 7 Jun at 21:7
Calculating moving average
I'm trying to use R to calculate the moving average over a series of values in a matrix. There doesn't seem to be a [built-in function](http://www.statmethods.net/management/functions.html) in R that ...
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- 8 Dec at 13:56
In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
Is there a corresponding X mark to ✓ (`✓`)? What is it?
Cross-browser window resize event - JavaScript / jQuery
What is the correct (modern) method for tapping into the window resize event that works in Firefox, [WebKit](http://en.wikipedia.org/wiki/WebKit), and Internet Explorer? And can you turn both scrollb...
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- 3 Feb at 18:56
How do I get and set Environment variables in C#?
How can I get Environnment variables and if something is missing, set the value?
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- 3 Nov at 16:18
Priority queue in .Net
I am looking for a .NET implementation of a priority queue or heap data structure > Priority queues are data structures that provide more flexibility than simple sorting, because they allow new eleme...
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- 4 Nov at 15:46
How do I remove duplicates from a C# array?
I have been working with a `string[]` array in C# that gets returned from a function call. I could possibly cast to a `Generic` collection, but I was wondering if there was a better way to do it, poss...
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- 26 Sep at 19:21
Module was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.5.1, expected version is 1.1.15
In [Stripe](https://en.wikipedia.org/wiki/Stripe_(company)), my client wants email and cardholder name, but the Stripe payment UI doesn't provide that option in `com.stripe.android.view.CardMultilineW...
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- 19 Aug at 23:39
Flutter and google_sign_in plugin: PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 10: , null)
The dialog (Google form) for the credentials is opened successfully, but after I fill my credentials I'm getting this error. I followed the instructions from [here](https://pub.dartlang.org/packages/g...
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- 12 Oct at 11:24
What does flex: 1 mean?
As we all know, the `flex` property is a shorthand for the `flex-grow`, `flex-shrink`, and the `flex-basis` properties. Its default value is `0 1 auto`, which means ``` flex-grow: 0; flex-shrink: 1; ...
Apply vs transform on a group object
Consider the following dataframe: ``` columns = ['A', 'B', 'C', 'D'] records = [ ['foo', 'one', 0.162003, 0.087469], ['bar', 'one', -1.156319, -1.5262719999999999], ['foo', 'two', 0.833892...
Difference between except: and except Exception as e:
Both the following snippets of code do the same thing. They catch every exception and execute the code in the `except:` block Snippet 1 - ``` try: #some code that may throw an exception except:...
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- 6 Apr at 11:55
How to make a edittext box in a dialog
I am trying to make a edittext box in a dialog box for entering a password. and when I am doing I am not able to do. I am a beginner in it. Please help me in this. ``` public class MainActivity exten...
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- 4 Apr at 04:29
ActiveModel::ForbiddenAttributesError when creating new user
I have this model in Ruby but it throws a `ActiveModel::ForbiddenAttributesError` ``` class User < ActiveRecord::Base attr_accessor :password validates :username, :presence => true, :uniqueness =...
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- 4 Mar at 16:46
How to fix/convert space indentation in Sublime Text?
Example: If I have a document with 2 space indentation, and I want it to have 4 space indentation, how do I automatically convert it by using the Sublime Text editor?
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- 8 Oct at 09:33
Git merge error "commit is not possible because you have unmerged files"
I forgot to `git pull` my code before editing it; when I committed the new code and tried to push, I got the error "push is not possible". At that point I did a `git pull` which made some files with c...