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to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
...I was asking the same questions when my friend told me that my UIImageView based view hierarchy was going to slow down my game and make it terrible. I then proceeded to research everything I could find about whether to use UIViews, CoreGraphics, OpenGL or something 3rd party like Cocos2D. The cons...
How can I create tests in Android Studio?
Just downloaded Android Studio which is based off of the Intellij Idea.
12 Answers
12
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Scatter plot and Color mapping in Python
...e(100)
plt.scatter(x, y, c=t)
plt.show()
Here you are setting the color based on the index, t, which is just an array of [1, 2, ..., 100].
Perhaps an easier-to-understand example is the slightly simpler
import numpy as np
import matplotlib.pyplot as plt
x = np.arange(100)
y = x
t = x
plt.scat...
Android: how to make an activity return results to the activity which calls it?
... // String returnedResult = data.getDataString();
}
}
}
EDIT based on your comment:
If you want to return three strings, then follow this by making use of key/value pairs with intent instead of using Uri.
Intent data = new Intent();
data.putExtra("streetkey","streetname");
data.putExt...
What are all the differences between src and data-src attributes?
...
Angular.js also uses data-src for late binding of urls based on the model
– Jeff
Mar 24 '14 at 17:20
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How to clone a case class instance and change just one field in Scala?
...na1 = messageLens.set(existingPersona)(Set.empty)
// or by other operation based on current value.
val newPersona2 = messageLens.modify(existingPersona)(_ + "iPad")
// Results:
// newPersona1: Persona(store,apple,Set())
// newPersona2: Persona(store,apple,Set(iPhone, iPad))
Moreover, in case you ...
Eclipse Android and gitignore
...lipse specific files, because maybe I want to create a new Android project based on these same sources, but in another OS or IDE.
With regards to the error, I would clean the project and/or try to run the Fix Project Properties utility (right-click on the Project -> Android Tools -> Fix Proje...
Drawing a connecting line between two elements [closed]
...worked perfectly...
first of all, Scalable Vector Graphics (SVG) is an XML-based vector image format for two-dimensional graphics with support for interactivity and animation. SVG images and their behaviors are defined in XML text files. you can create an svg in HTML using <svg> tag. Adobe Ill...
Regular expression to match URLs in Java
...EDIT: Code of Patterns from https://github.com/android/platform_frameworks_base/blob/master/core/java/android/util/Patterns.java :
/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in co...
How do I calculate the normal vector of a line segment?
...(y, -x) seems to be right, but why would one use dx and dy here. Moreover, based on slopes, m1 * m2 = -1 for right angle lines, hence dy' = dx' * (-dx/dy) and dx' = dy' * (-dy/dx), how come in your equation normal.x = x' = -dy?
– legends2k
Jan 25 '13 at 8:53
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