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How to work with complex numbers in C?
...umbers in C? I see there is a complex.h header file, but it doesn't give me much information about how to use it. How to access real and imaginary parts in an efficient way? Is there native functions to get module and phase?
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Changing the background drawable of the searchview widget
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Unfortunately there's no way to set SearchView text field style using themes, styles and inheritance in XML as you can do with background of items in ActionBar dropdown. This is because selectableItemBackground is listed as styleable in R.stylable, whereas searchViewTextField (theme attribute that...
Truncating long strings with CSS: feasible yet?
...storical record.
Justin Maxwell has cross browser CSS solution. It does come with the downside however of not allowing the text to be selected in Firefox. Check out his guest post on Matt Snider's blog for the full details on how this works.
Note this technique also prevents updating the content o...
How to change the style of the title attribute inside an anchor tag?
...he unstyled one pops over this one. This is on your fiddle. I am using chrome. Is this an abnormality?
– user1816910
Jun 28 '14 at 22:04
8
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Most efficient way of making an if-elif-elif-else statement when the else is done the most?
I've got a in if-elif-elif-else statement in which 99% of the time, the else statement is executed:
5 Answers
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What is the correct way to make a custom .NET Exception serializable?
...
Base implementation, without custom properties
SerializableExceptionWithoutCustomProperties.cs:
namespace SerializableExceptions
{
using System;
using System.Runtime.Serialization;
[Serializable]
// Important: This a...
How does HashSet compare elements for equality?
...t unless you specify a different one on construction).
When you add an element to the set, it will find the hash code using IEqualityComparer<T>.GetHashCode, and store both the hash code and the element (after checking whether the element is already in the set, of course).
To look an element...
setuptools vs. distutils: why is distutils still a thing?
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Have a look at this SO question. It explains all the packaging methods very well, and might help answer your question to some extent: Differences between distribute, distutils, setuptools and distutils2?
Distutils is still the standard tool for packaging in Python. It is included in ...
What is the optimal Jewish toenail cutting algorithm?
...icted sequences.
Python example:
#seq is only valid when consecutive elements in the list differ by at least two.
def isValid(seq):
for i in range(len(seq)-1):
a = seq[i]
b = seq[i+1]
if abs(a-b) == 1:
return False
return True
from itertools import if...
How do I catch a numpy warning like it's an exception (not just for testing)?
...t numpy as np
>>> np.array([1])/0 #'warn' mode
__main__:1: RuntimeWarning: divide by zero encountered in divide
array([0])
>>> np.seterr(all='print')
{'over': 'warn', 'divide': 'warn', 'invalid': 'warn', 'under': 'ignore'}
>>> np.array([1])/0 #'print' mode
Warning: div...