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MIN and MAX in C
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Where are MIN and MAX defined in C, if at all?
They aren't.
What is the best way to implement these, as generically and type safe as possible (compiler extensions/builtins for mainstream compilers preferred).
As functions. I wouldn't use macros like #define MIN(X, Y) (...
Changing my CALayer's anchorPoint moves the view
...oint , but keep the view in the same place.
I've tried NSLog -ing self.layer.position and self.center and they both stay the same regardless of changes to the anchorPoint. Yet my view moves!
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How to convert a string from uppercase to lowercase in Bash? [duplicate]
I have been searching to find a way to convert a string value from upper case to lower case. All the search results show approaches of using tr command.
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Calculate the center point of multiple latitude/longitude coordinate pairs
...e approach of just averaging them has weird edge cases with angles when they wrap from 359' back to 0'.
A much earlier question on SO asked about finding the average of a set of compass angles.
An expansion of the approach recommended there for spherical coordinates would be:
Convert each lat/lo...
Android ImageView Zoom-in and Zoom-Out
...s.Canvas;
import android.graphics.drawable.Drawable;
import android.view.KeyEvent;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
public class Zoom extends View {
private Drawable image;
ImageButton img,img1;
private int zoomControler=20;
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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
...sics. Though of course, that doesn't mean I haven't missed something totally obvious. :-)
13 Answers
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Add column with constant value to pandas dataframe [duplicate]
...he reason this puts NaN into a column is because df.index and the Index of your right-hand-side object are different. @zach shows the proper way to assign a new column of zeros. In general, pandas tries to do as much alignment of indices as possible. One downside is that when indices are not aligned...
What is the difference between a generative and a discriminative algorithm?
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Let's say you have input data x and you want to classify the data into labels y. A generative model learns the joint probability distribution p(x,y) and a discriminative model learns the conditional probability distribution p(y|x) - ...
Plot two histograms on single chart with matplotlib
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Here you have a working example:
import random
import numpy
from matplotlib import pyplot
x = [random.gauss(3,1) for _ in range(400)]
y = [random.gauss(4,2) for _ in range(400)]
bins = numpy.linspace(-10, 10, 100)
pyplot.hist(...
Scatterplot with too many points
I am trying to plot two variables where N=700K. The problem is that there is too much overlap, so that the plot becomes mostly a solid block of black. Is there any way of having a grayscale "cloud" where the darkness of the plot is a function of the number of points in an region? In other words, ins...