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JSON formatter in C#?
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I updated the old version, now it should support unquoted values such as integers and booleans.
I refactored the previous version and got the final version:
The code is shorter and cleaner. Only require one extension method. The most important: fixed ...
How to calculate a logistic sigmoid function in Python?
...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 teste...
Android AlertDialog Single Button
... }
});
AlertDialog alert = builder.create();
alert.show();
Now it is up to you to use one,two or three buttons..
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How to read an external local JSON file in JavaScript?
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@mhaseeb You can (even now, in the future), if the resource has the same domain/protocol as the requesting system (which this will, since it is local). Look up CORS.
– GreySage
Mar 21 '17 at 20:41
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How do I force a favicon refresh?
...on refresh:
Hover over tab
Right Click
Select reload
Your favicon should now be refreshed
This is the easiest way I've found to refresh the favicon locally.
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iOS Simulator failed to install the application
...have created a Cordova 2.1.0 app, It ran fine for the first 2-3 times. But now when I am trying to run it through terminal it is giving me the following error.I didn't change anything.
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How to check if hex color is “too black”?
...t; 40) {
// pick a different colour
}
EDIT
Since May 2014 tinycolor now has a getBrightness() function, albeit using the CCIR601 weighting factors instead of the ITU-R ones above.
EDIT
The resulting luma value range is 0..255, where 0 is the darkest and 255 is the lightest. Values greater t...
detect key press in python?
I am making a stopwatch type program in python and I would like to know how to detect if a key is pressed (such as p for pause and s for stop), and I would not like it to be something like raw_input that waits for the user's input before continuing execution. Anyone know how to do this in a while lo...
Javascript regex returning true.. then false.. then true.. etc [duplicate]
... end.
[a-z0-9_-]
Whether that would cause this problem or not, I don't know.
Additional notes:
The first and last characters are allowed to be any character that isn't - or _ rather than being restricted to a-z0-9
a-z0-9 doesn't include uppercase characters. You need a-zA-Z0-9 for that.
a-zA-...
Parse date string and change format
...se is a better alternative if the exact format of a legal ISO string is unknown. ISO may or may not contain microseconds. It may or may not contain trailing "Z". datetime.strptime is not flexible enough to accomodate for that.
– Michael Kariv
Dec 12 '13 at 10:5...