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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...
invalid_grant trying to get oAuth token from google
...om Google to connect to their contacts api. All the information is correct and I have tripple checked this so kind of stumped.
...
Change case of a file on Windows?
... becomes SourceCode.java , for example. The catch: I'm on a Windows box, and the filesystem thinks those are the same file name.
...
How to get Maven project version to the bash command line
...evious I issued a question on how to change Maven project vesion from command line which lead me to a new issue.
28 Answe...
Converting NSString to NSDate (and back again)
... NSString like " 01/02/10 " (meaning 1st February 2010) into an NSDate ? And how could I turn the NSDate back into a string?
...
How to scp in Python?
...a lot of code that in the end for scp ends up actually calling the scp command line which only works on *nix.
– Nick Bastin
Jun 12 '12 at 6:49
8
...
How do I prevent the iPhone screen from dimming or turning off while my application is running?
...e app need to re-enable the timer when the app has lost focus, or is this handled automatically by the OS?
– Stan James
Oct 21 '14 at 17:10
5
...
List of all index & index columns in SQL Server DB
...
There are two "sys" catalog views you can consult: sys.indexes and sys.index_columns.
Those will give you just about any info you could possibly want about indices and their columns.
EDIT: This query's getting pretty close to what you're looking for:
SELECT
TableName = t.name,
...
Is it possible to delete an object's property in PHP?
...
unset($a->new_property);
This works for array elements, variables, and object attributes.
Example:
$a = new stdClass();
$a->new_property = 'foo';
var_export($a); // -> stdClass::__set_state(array('new_property' => 'foo'))
unset($a->new_property);
var_export($a); // -> st...
How does Bluebird's util.toFastProperties function make an object's properties “fast”?
...mizations - all the below is still valid.
Let's first discuss what it does and why that's faster and then why it works.
What it does
The V8 engine uses two object representations:
Dictionary mode - in which object are stored as key - value maps as a hash map.
Fast mode - in which objects are stored...