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Set icon for Android application
...lude a 48dp sized icon:
drawable-ldpi (120 dpi, Low density screen) - 36px x 36px
drawable-mdpi (160 dpi, Medium density screen) - 48px x 48px
drawable-hdpi (240 dpi, High density screen) - 72px x 72px
drawable-xhdpi (320 dpi, Extra-high density screen) - 96px x 96px
drawable-xxhdpi (480 dpi, Extr...
Format / Suppress Scientific Notation from Python Pandas Aggregation Results
... converter like so.
In [25]: pd.set_option('display.float_format', lambda x: '%.3f' % x)
In [28]: Series(np.random.randn(3))*1000000000
Out[28]:
0 -757322420.605
1 -1436160588.997
2 -1235116117.064
dtype: float64
I'm not sure if that's the preferred way to do this, but it works.
Convert...
curl -GET and -X GET
Curl offers a series of different http method calls that are prefixed with a X, but also offers the same methods without. I've tried both and I can't seem to figure out the difference. Can someone explain to me quickly how these two operations differ?
...
How do I sort strings alphabetically while accounting for value when a string is numeric?
..., "lauren", "007", "90", "101"};
foreach (var thing in things.OrderBy(x => x, new SemiNumericComparer()))
{
Console.WriteLine(thing);
}
}
public class SemiNumericComparer: IComparer<string>
{
/// <summary>
/// Method to determine if a string is a num...
How to use pip with Python 3.x alongside Python 2.x
I installed Python 3.x (besides Python 2.x on Ubuntu) and slowly started to pair modules I use in Python 2.x.
10 Answers
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Double not (!!) operator in PHP
... You can use as many as you want. If there is an odd number of 'bangs' (exclamation points) it will be a NOT operation same as !value, and if there is an even number of bangs it will be the same as (bool) value.
– diamondsea
Mar 22 '18 at 3:24
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Do Swift-based applications work on OS X 10.9/iOS 7 and lower?
Will Swift-based applications work on OS X 10.9 (Mavericks)/iOS 7 and lower?
19 Answers
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Reset C int array to zero : the fastest way?
...all-bits-zero is a valid representation of 0 for all integer types in all existing C and C++ implementations, which is why the committee was able to add that requirement. (There is no similar guarantee for floating-point or pointer types.)
– Keith Thompson
Jun ...
Are tuples more efficient than lists in Python?
...tuple is much faster than assigning a list.
>>> def a():
... x=[1,2,3,4,5]
... y=x[2]
...
>>> def b():
... x=(1,2,3,4,5)
... y=x[2]
...
>>> import dis
>>> dis.dis(a)
2 0 LOAD_CONST 1 (1)
3 LOAD_CONST ...
Drawing a dot on HTML5 canvas [duplicate]
...rawing a line on the HTML5 canvas is quite straightforward using the context.moveTo() and context.lineTo() functions.
6...