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deleting rows in numpy array
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The simplest way to delete rows and columns from arrays is the numpy.delete method.
Suppose I have the following array x:
x = array([[1,2,3],
[4,5,6],
[7,8,9]])
To delete the first row, do this:
x = numpy.delete(x, (0), axis=0)
To del...
Executing Shell Scripts from the OS X Dock?
... workflow with a single step - "Run Shell Script"
Then File > Save As, and change the File Format to "Application". When you open the application, it will run the Shell Script step, executing the command, exiting after it completes.
The benefit to this is it's really simple to do, and you can v...
How to find all duplicate from a List? [duplicate]
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In .NET framework 3.5 and above you can use Enumerable.GroupBy which returns an enumerable of enumerables of duplicate keys, and then filter out any of the enumerables that have a Count of <=1, then select their keys to get back down to a singl...
Download a file with Android, and showing the progress in a ProgressDialog
...t gets updated. For this I need a simple function that can download a file and show the current progress in a ProgressDialog . I know how to do the ProgressDialog , but I'm not sure how to display the current progress and how to download the file in the first place.
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Creating JSON on the fly with JObject
...looking for, completely forgot about dynamic.
– Karl Anderson
Aug 15 '13 at 16:16
I get 'Newtonsoft.Json.Linq.JObject'...
Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
What exactly are process and update in PrimeFaces p:commandXxx components and execute and render in f:ajax tag?
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Constructors in Go
I have a struct and I would like it to be initialised with some sensible default values.
11 Answers
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LINQ Select Distinct with Anonymous Types
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Have a read through K. Scott Allen's excellent post here:
And Equality for All ... Anonymous Types
The short answer (and I quote):
Turns out the C# compiler overrides
Equals and GetHashCode for anonymous
types. The implementation of the two
overridden methods uses all the...
How to pass a function as a parameter in Java? [duplicate]
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Java 8 and above
Using Java 8+ lambda expressions, if you have a class or interface with only a single abstract method (sometimes called a SAM type), for example:
public interface MyInterface {
String doSomething(int param1, S...
Current time formatting with Javascript
...oneOffset() - Returns the number of minutes between the machine local time and UTC.
There are no built-in methods allowing you to get localized strings like "Friday", "February", or "PM". You have to code that yourself. To get the string you want, you at least need to store string representations...