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How to sort a dataFrame in python pandas by two or more columns?
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As of the 0.17.0 release, the sort method was deprecated in favor of sort_values. sort was comp...
GroupBy pandas DataFrame and select most common value
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How does the algorithm to color the song list in iTunes 11 work? [closed]
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+50
I approximated the iTunes 11 color algorithm in Mathematica given the album cover as input:
How I did it
Through trial and error...
Why 0 is true but false is 1 in the shell?
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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash
...look more in-depth at why Hash.new([]) doesn’t work:
h = Hash.new([])
h[0] << 'a' #=> ["a"]
h[1] << 'b' #=> ["a", "b"]
h[1] #=> ["a", "b"]
h[0].object_id == h[1].object_id #=> true
h #=> {}
We can see that our default object is being reused and mutated (t...
Programmatically obtain the Android API level of a device?
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107
You can obtain API level programatically by the system constant (Build.VERSION.SDK_INT). For ex...
How can I replace a regex substring match in Javascript?
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140
var str = 'asd-0.testing';
var regex = /(asd-)\d(\.\w+)/;
str = str.replace(regex, "$11$2");
c...
How to check if a process id (PID) exists
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Best way to display decimal without trailing zeroes
...our examples have a max of 5).
If so, I would think that formatting with "0.#####" would do what you want.
static void Main(string[] args)
{
var dList = new decimal[] { 20, 20.00m, 20.5m, 20.5000m, 20.125m, 20.12500m, 0.000m };
foreach (var d in dList)
Console....
How do I calculate square root in Python?
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