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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?
I want to slice a NumPy nxn array. I want to extract an arbitrary selection of m rows and columns of that array (i.e. without any pattern in the numbers of rows/columns), making it a new, mxm array. For this example let us say the array is 4x4 and I want to extract a 2x2 array from it.
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Remove duplicate elements from array in Ruby
...= [1, 2, 2, 3]
counts = Hash.new(0)
a.each { |v| counts[v] += 1 }
p counts.select { |v, count| count == 1 }.keys # [1, 3]
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How to get element by classname or id
...e Angular):
var wrappedResult = angular.element(result);
If you want to select from the element in a directive's link function you need to access the DOM reference instead of the the jqLite reference - element[0] instead of element:
link: function (scope, element, attrs) {
var elementResult =...
Datatable vs Dataset
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One feature of the DataSet is that if you can call multiple select statements in your stored procedures, the DataSet will have one DataTable for each.
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Forking from GitHub to Bitbucket
...epo on bitbucket.org
Here are the steps:
Click on the Create button and select Repository ('+' > Repository)
Now, instead of creating a new repository select a import repository from the top right corner of the modal that pops up.
fill in your github repo's URL and your authentication credenti...
TFS Get Specific Version into separate folder
...orer
Drill down to desired file
File > Source Control > View History
Select desired version (Changeset)
Toolbar/Context Menu > Compare
Click in left pane, Select All, Copy, paste into Your Favorite Editor and save
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PL/SQL, how to escape single quote in a string?
...a single quotation mark with two single >quotation marks in both sides.
SELECT 'test single quote''' from dual;
The output of the above statement would be:
test single quote'
Simply stating you require an additional single quote character to print a single quote >character. That is if you put ...
Get element inside element by class and ID - JavaScript
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Well, first you need to select the elements with a function like getElementById.
var targetDiv = document.getElementById("foo").getElementsByClassName("bar")[0];
getElementById only returns one node, but getElementsByClassName returns a node list...
Where is the IIS Express configuration / metabase file found?
...click the IIS Express system tray icon (when running the application), and select "Show all applications":
Then, select the relevant application and click the applicationhost.config file path:
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Android: Getting a file URI from a content URI?
In my app the user is to select an audio file which the app then handles. The problem is that in order for the app to do what I want it to do with the audio files, I need the URI to be in file format. When I use Android's native music player to browse for the audio file in the app, the URI is a cont...