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Android: ListView elements with multiple clickable buttons
I've a ListView where every element in the list contains a TextView and two different Buttons. Something like this:
8 Ans...
What is the equivalent of “!=” in Excel VBA?
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Fun fact to back this answer: Visual Basic and Pascal languages store strings with their length in the beginning and the content itself right after that. C-based and Java languages, on the other hand, do not store the length and have the '\0' (null) terminator to sign...
A regex to match a substring that isn't followed by a certain other substring
...-----------------------------------------
( group and capture to \1:
--------------------------------------------------------------------------------
\w+ word characters (a-z, A-Z, 0-9, _) (1 or
more times (matching the m...
Finding local maxima/minima with Numpy in a 1D numpy array
...mum" varies vastly from use case to use case, so it's hard to provide a "standard" function for this purpose. Smoothing helps to take into account more than just the nearest neighbor. Using a different integer instead of 1, say 3, would be strange as it would only consider the third-next element i...
SQL Server ':setvar' Error
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The :setvar only works in SQL command mode, so you are possibly within normal SQL execution in the management studio and have not swapped to command mode.
This can be done through the user interface in SQL Server Management Studio by going to the "Query" men...
How to check if a variable is set in Bash?
...ar+x} is a parameter expansion which evaluates to nothing if var is unset, and substitutes the string x otherwise.
Quotes Digression
Quotes can be omitted (so we can say ${var+x} instead of "${var+x}") because this syntax & usage guarantees this will only expand to something that does not requ...
Implement C# Generic Timeout
...CallWithTimeout. This will cancel the long running thread by aborting it, and swallowing the ThreadAbortException:
Usage:
class Program
{
static void Main(string[] args)
{
//try the five second method with a 6 second timeout
CallWithTimeout(FiveSecondMethod, 6000);
...
What is the difference between Int and Integer?
In Haskell, what is the difference between an Int and an Integer ? Where is the answer documented?
6 Answers
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How to calculate a logistic sigmoid function in Python?
...uld do it:
import math
def sigmoid(x):
return 1 / (1 + math.exp(-x))
And now you can test it by calling:
>>> sigmoid(0.458)
0.61253961344091512
Update: Note that the above was mainly intended as a straight one-to-one translation of the given expression into Python code. It is not t...
How to construct a timedelta object from a simple string
...thinking of some kind of function that could take anything you throw at it and still be able to handle converting to timedelta.
– priestc
Jan 7 '11 at 17:15
2
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