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Inserting a Link to a Webpage in an IPython Notebook
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Have you tested out? It doesn't work at my end. It returns an error (KeyError: 'name')
– Sameh
Nov 3 '19 at 1:09
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Evenly distributing n points on a sphere
... And here's a simple implementation in python.
import math
def fibonacci_sphere(samples=1):
points = []
phi = math.pi * (3. - math.sqrt(5.)) # golden angle in radians
for i in range(samples):
y = 1 - (i / float(samples - 1)) * 2 # y goes from 1 to -1
radius = math....
How unique is UUID?
...UUID generators. They are difficult to get right, so subject them to load tests before using them.
– Mike Strobel
Mar 20 '17 at 18:08
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How can you get the Manifest Version number from the App's (Layout) XML variables?
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Add BuildConfig.VERSION_NAME to your answer for gradle fokes.
– jobbert
Nov 10 '16 at 9:47
add a comment
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How to execute a raw update sql with dynamic binding in rails
...using it's methods, e.g. for MySQL:
st = ActiveRecord::Base.connection.raw_connection.prepare("update table set f1=? where f2=? and f3=?")
st.execute(f1, f2, f3)
st.close
I'm not sure if there are other ramifications to doing this (connections left open, etc). I would trace the Rails code for a n...
Difference Between One-to-Many, Many-to-One and Many-to-Many?
...ate is the one side and City is the many side. There will be a column state_id in the table cities.
In unidirectional, Person class will have List<Skill> skills but
Skill will not have Person person. In bidirectional, both
properties are added and it allows you to access a Person given a
ski...
How to find if a native DLL file is compiled as x64 or x86?
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The Magic field of the IMAGE_OPTIONAL_HEADER (though there is nothing optional about the header in Windows executable images (DLL/EXE files)) will tell you the architecture of the PE.
Here's an example of grabbing the architecture from a file.
public ...
Difference between addSubview and insertSubview in UIView class
...array then add in View'slayer
- (void)addSubview:(UIView *)subview
{
[_subviews addObject:subview];
[_layer addSublayer:subview.layer];
}
}
2.While insertSubview add your view as subview then call
[_layer insertSublayer:subview.layer atIndex:index];
- (void)insertSubview:(UIView *)subv...
How do I have an enum bound combobox with custom string formatting for enum values?
...ethod:
public struct Described<T> where T : struct {
private T _value;
public Described(T value) {
_value = value;
}
public override string ToString() {
string text = _value.ToString();
object[] attr =
typeof(T).GetField(text)
...
Python append() vs. + operator on lists, why do these give different results?
...ut answering the questions asked? People ask why PHP is called PHP and why __lt__ could not be overloaded in Python (nowadays it can). Why-questions are the most essential ones but often the trickiest to answer: they ask for the essence, not for a pointer to the manual. And of course: if you dislike...
