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find: missing argument to -exec
I was helped out today with a command, but it doesn't seem to be working. This is the command:
10 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...
Image Greyscale with CSS & re-color on mouse-over?
I am looking to take an icon that is colored (and will be a link) and turn it greyscale until the user places their mouse over the icon (where it would then color the image).
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Is python's sorted() function guaranteed to be stable?
..., the intention of the manual is indeed to guarantee that sorted is stable and indeed that it uses exactly the same algorithm as the sort method. I do realize that the docs aren't 100% clear about this identity; doc patches are always happily accepted!
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Overflow:hidden dots at the end
Let's say I have a string " I like big butts and I cannot lie " and I cut it with overflow:hidden , so it displays something like this:
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Swift make method parameter mutable?
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inout keyword should be placed between parameter name and parameter type like this: func reduceToZero(x: inout Int) in current Swift 3 version.
– Agustí Sánchez
Sep 24 '16 at 8:59
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How do I compute derivative using Numpy?
...es
Automatic Derivatives
Symbolic Differentiation
Compute derivatives by hand.
Finite differences require no external tools but are prone to numerical error and, if you're in a multivariate situation, can take a while.
Symbolic differentiation is ideal if your problem is simple enough. Symbolic...
what exactly is device pixel ratio?
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Short answer
The device pixel ratio is the ratio between physical pixels and logical pixels. For instance, the iPhone 4 and iPhone 4S report a device pixel ratio of 2, because the physical linear resolution is double the logical linear resolution.
Physical resolution: 960 x 640
Logical resolutio...
Best Practice to Organize Javascript Library & CSS Folder Structure [closed]
...ur HTML5 application. This is not an attempt to create any kind of standard. Instead, I will make suggestions on how to group and name files in a logical convenient way. Your Project Let’s assume you are building an HTML5 application. In some cases you may use the root of your server as the ...
Prevent HTML5 video from being downloaded (right-click saved)?
...t your regular skiddie from blatantly ripping your video by right clicking and Save As. But then they could just disable JS and get around this or find the video source via the browser's debugger. Plus this is bad UX. There are lots of legitimate things in a context menu than just Save As.
You coul...