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What is the most efficient way to loop through dataframes with pandas? [duplicate]
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10 Answers
10
Active
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WPF: Grid with column/row margin/padding?
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answered Aug 28 '09 at 15:50
Thomas LevesqueThomas Levesque
263k5858 gold badges560560 silver badges714714 bronze badges
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How to draw a line in android
...erride
public void onDraw(Canvas canvas) {
canvas.drawLine(0, 0, 20, 20, paint);
canvas.drawLine(20, 0, 0, 20, paint);
}
}
The activity to start it:
StartDraw.java
import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
public class...
A Windows equivalent of the Unix tail command [closed]
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answered Oct 9 '08 at 14:50
Ryan DuffieldRyan Duffield
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Efficient way to rotate a list in python
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answered Jan 27 '10 at 20:46
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
667k127127 gold badges11911191 silver badges12501250 bronze badges
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Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
...ass Dot {
static { Loader.load(); }
static float[] a = new float[50], b = new float[50];
static float dot() {
float sum = 0;
for (int i = 0; i < 50; i++) {
sum += a[i]*b[i];
}
return sum;
}
static native @MemberGetter FloatPointer a...
How do I make UITableViewCell's ImageView a fixed size even when the image is smaller
... of images I am using for cell's image views, they are all no bigger than 50x50. e.g. 40x50, 50x32, 20x37 .....
16 Answe...
Set opacity of background image without affecting child elements
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You can use CSS linear-gradient() with rgba().
div {
width: 300px;
height: 200px;
background: linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,.5)), url("https://i.imgur.com/xnh5x47.jpg");
}
span {
background: black;
color: white;
}
<div><span>Hello wo...
Bash function to find newest file matching pattern
... @lesmana.
– Eponymous
Jun 5 '14 at 0:07
1
@Eponymous: If you're looking for a one liner without ...
What is the proper declaration of main?
...ogram. argc is the number of arguments in the argv array.
Usually, argv[0] contains the name of the program, but this is not always the case. argv[argc] is guaranteed to be a null pointer.
Note that since an array type argument (like char*[]) is really just a pointer type argument in disguise, ...