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How to split long commands over multiple lines in PowerShell
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Myrddin Emrys
34.9k1010 gold badges3535 silver badges4747 bronze badges
answered Apr 9 '10 at 14:17
Colin PickardColin P...
How to install Xcode Command Line Tools
...et the command-line build tools installed with the current Xcode/Mac OS X v10.8 (Mountain Lion) or later?
13 Answers
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How does one generate a random number in Apple's Swift language?
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Swift 4.2+
Swift 4.2 shipped with Xcode 10 introduces new easy-to-use random functions for many data types.
You can call the random() method on numeric types.
let randomInt = Int.random(in: 0..<6)
let randomDouble = Double.random(in: 2.71828...3.14159)
let rand...
Pandas percentage of total with groupby
...id': list(range(1, 7)) * 2,
'sales': [np.random.randint(100000, 999999)
for _ in range(12)]})
state_office = df.groupby(['state', 'office_id']).agg({'sales': 'sum'})
# Change: groupby state_office and divide by sum
state_pcts = state_office.groupby(lev...
Naming returned columns in Pandas aggregate function? [duplicate]
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107
This will drop the outermost level from the hierarchical column index:
df = data.groupby(...)...
Namespace not recognized (even though it is there)
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answered Nov 19 '10 at 20:15
Andrew HareAndrew Hare
310k6363 gold badges611611 silver badges614614 bronze badges
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Determine whether an array contains a value [duplicate]
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1005
var contains = function(needle) {
// Per spec, the way to identify NaN is that it is not ...
Find difference between timestamps in seconds in PostgreSQL
...r quick reply.
– Arun
Dec 26 '12 at 10:38
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How to generate .NET 4.0 classes from xsd?
...ate .NET 4.0 c# classes (entities) from an xsd file, using Visual Studio 2010?
10 Answers
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What are 'get' and 'set' in Swift?
...e variable from another object, it looks like this:
myTriangle.perimeter = 100
Which invokes the code in the set{} block:
set {
sideLength = newValue / 3.0
}
And so it's like if the class that's setting the variable had done this:
myTriangle.sideLength = 100/3.0
It's really just for convenien...