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Why shouldn't I use “Hungarian Notation”?
...me with its kind (using Joel's example: safe string or unsafe string), so called Apps Hungarian has its uses and is still valuable.
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edited Sep 26 '08 at 19:56
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How to sort a Ruby Hash by number value?
...ea.com" => 745, "siteb.com" => 9, "sitec.com" => 10 }
metrics.sort_by {|_key, value| value}
# ==> [["siteb.com", 9], ["sitec.com", 10], ["sitea.com", 745]]
If you need a hash as a result, you can use to_h (in Ruby 2.0+)
metrics.sort_by {|_key, value| value}.to_h
# ==> {"siteb.c...
What is the difference between gravity and layout_gravity in Android?
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Basically, everything with layout_ defines something that effects the elements outside.
– Triang3l
Jun 28 '13 at 10:26
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Android: create a popup that has multiple selection options
... Toast.makeText(TopicDetails.this, "you nailed it", Toast.LENGTH_SHORT).show();
} else if ("Medium".equals(fonts[which])) {
Toast.makeText(TopicDetails.this, "you cracked it", Toast.LENGTH_SHORT).show();
} else if ("Large".equals(fonts[which])) {
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Why can't variables be declared in a switch statement?
...lity and consistency in the code. In the old days, you might have automatically got an "extra" stack frame, but now that should not be the case for any decent optimizing compiler.
– Tall Jeff
Sep 18 '08 at 14:37
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JSON to pandas DataFrame
...t[u'location']
Rebuild json string :
elevations = json.dumps(data)
Finally :
pd.read_json(elevations)
You can, also, probably avoid to dump data back to a string, I assume Panda can directly create a DataFrame from a dictionnary (I haven't used it since a long time :p)
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Sort a single String in Java
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toCharArray followed by Arrays.sort followed by a String constructor call:
import java.util.Arrays;
public class Test
{
public static void main(String[] args)
{
String original = "edcba";
char[] chars = original.toCharArray();
Arrays.sort(chars);
String...
Imitate Facebook hide/show expanding/contracting Navigation Bar
...OS7 Facebook iPhone app, when the user scrolls up the navigationBar gradually hides itself to a point where it completely vanishes. Then when the user scrolls down the navigationBar gradually shows itself.
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JQuery: How to call RESIZE event only once it's FINISHED resizing?
How do I call a function once the browser windows has FINISHED resizing?
8 Answers
8
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Peak detection in a 2D array
...ood = generate_binary_structure(2,2)
#apply the local maximum filter; all pixel of maximal value
#in their neighborhood are set to 1
local_max = maximum_filter(image, footprint=neighborhood)==image
#local_max is a mask that contains the peaks we are
#looking for, but also the ...