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Upload failed You need to use a different version code for your APK because you already have one wit
... in Google Play's Developer Console? I have just changed the version code from 2 to 3 and it failed to upload the build.
1...
How to delete duplicate lines in a file without sorting it in Unix?
...d, or use a wildcard… the 'seen' array will fill up with duplicate lines from ALL the files. If you instead want to treat each file independently, you'll need to do something like for f in *.txt; do gawk -i inplace '!seen[$0]++' "$f"; done
– Nick K9
Jan 17 '1...
How can I call controller/view helper methods from the console in Ruby on Rails?
...elper that's not included by default (say, because you removed helper :all from ApplicationController), just include the helper.
>> include BogusHelper
>> helper.bogus
=> "bogus output"
As for dealing with controllers, I quote Nick's answer:
> app.get '/posts/1'
> response ...
Abusing the algebra of algebraic data types - why does this work?
...in a moment.
As you've probably noticed, Haskell tends to borrow concepts from Category Theory, and all of the above has a very straightforward interpretation as such:
Given objects A and B in Hask, their product A×B is the unique (up to isomorphism) type that allows two projections fst : A×B ...
startActivityForResult() from a Fragment and finishing child Activity, doesn't call onActivityResult
...called");
}
Call startActivityForResult(intent, HOMEWORK_POST_ACTIVITY); from FragmentA.Java
Call finish(); method in SecondActivity.java
Hope this will work.
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What are Makefile.am and Makefile.in?
...efile.in to generate a Makefile.
The configure script itself is generated from a programmer-defined file named either configure.ac or configure.in (deprecated). I prefer .ac (for autoconf) since it differentiates it from the generated Makefile.in files and that way I can have rules such as make dis...
How do I split a string on a delimiter in Bash?
...
Taken from Bash shell script split array:
IN="bla@some.com;john@home.com"
arrIN=(${IN//;/ })
Explanation:
This construction replaces all occurrences of ';' (the initial // means global replace) in the string IN with ' ' (a sing...
What's the role of adapters in Android?
...thods to communicate data to the ListView.
You can create your own adapter from scratch by implementing BaseAdapter.
public class ArrayAdapter<T> extends BaseAdapter implements Filterable {
// One of the constructors
public ArrayAdapter(Context context, int resource, int textViewResourceId, ...
Prevent any form of page refresh using jQuery/Javascript
...becoming more common. Stack Overflow does this if you try to navigate away from a page while you are typing a post. You can't completely stop the user from reloading, but you can make it sound real scary if they do.
#2 is more or less impossible. Even if you tracked sessions and user logins, you s...
Cosine Similarity between 2 Number Lists
...utes the distance, and not the similarity. So, you must subtract the value from 1 to get the similarity.
from scipy import spatial
dataSetI = [3, 45, 7, 2]
dataSetII = [2, 54, 13, 15]
result = 1 - spatial.distance.cosine(dataSetI, dataSetII)
...