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How to declare constant map
...manNumeralDict = map[int]string{
1000: "M",
900 : "CM",
500 : "D",
400 : "CD",
100 : "C",
90 : "XC",
50 : "L",
40 : "XL",
10 : "X",
9 : "IX",
5 : "V",
4 : "IV",
1 : "I",
}
Inside a func you can declare it like:
romanNumeralDict := map[int]string{
...
And in...
What's the magic of “-” (a dash) in command-line parameters?
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114
If you mean the naked - at the end of the tar command, that's common on many commands that want ...
Python - When to use file vs open
...el this way when the obvious intent of the devs back then was 2 retain open4compat.
– umeboshi
Sep 21 '13 at 17:35
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RegEx - Match Numbers of Variable Length
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genesisgenesis
47.5k1717 gold badges9090 silver badges118118 bronze badges
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Using async/await for multiple tasks
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int[] ids = new[] { 1, 2, 3, 4, 5 };
Parallel.ForEach(ids, i => DoSomething(1, i, blogClient).Wait());
Although you run the operations in parallel with the above code, this code blocks each thread that each operation runs on. For example, if the net...
creating list of objects in Javascript
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146
var list = [
{ date: '12/1/2011', reading: 3, id: 20055 },
{ date: '13/1/2011', reading...
Efficient way to apply multiple filters to pandas DataFrame or Series
...ite helper functions for this, consider something along these lines:
In [14]: def b(x, col, op, n):
return op(x[col],n)
In [15]: def f(x, *b):
return x[(np.logical_and(*b))]
In [16]: b1 = b(df, 'col1', ge, 1)
In [17]: b2 = b(df, 'col1', le, 1)
In [18]: f(df, b1, b2)
O...
Why did Bootstrap 3 switch to box-sizing: border-box?
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edited Mar 27 '17 at 4:23
Alexis Wilke
14.2k77 gold badges5151 silver badges9898 bronze badges
answ...
Generate a UUID on iOS from Swift
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Try this one:
let uuid = NSUUID().uuidString
print(uuid)
Swift 3/4/5
let uuid = UUID().uuidString
print(uuid)
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Responsive iframe using Bootstrap
..."embed-responsive-item" src="…"></iframe>
</div>
<!-- 4:3 aspect ratio -->
<div class="embed-responsive embed-responsive-4by3">
<iframe class="embed-responsive-item" src="…"></iframe>
</div>
Option 2
If you don't want to wrap your iframes, you c...