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How to calculate a logistic sigmoid function in Python?

...tml In [1]: from scipy.stats import logistic In [2]: logistic.cdf(0.458) Out[2]: 0.61253961344091512 which is only a costly wrapper (because it allows you to scale and translate the logistic function) of another scipy function: In [3]: from scipy.special import expit In [4]: expit(0.458) Out[4...
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How to check for a valid Base64 encoded string

...a multiple of 3, at the time of encoding, for successful encoding! Sorry about that... and yeah, you're right... The encoded string has a length which is a multiple of 4. Thats why we'd pad upto 3 '=' . – Anirudh Ramanathan Jun 10 '11 at 17:27 ...
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Setting the MySQL root user password on OS X

...D") WHERE User='root'; mysql> FLUSH PRIVILEGES; mysql> quit Change out NEWPASSWORD with whatever password you want. Should be all set! Update: As of MySQL 5.7, the password field has been renamed authentication_string. When changing the password, use the following query to change the pass...
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Hide scroll bar, but while still being able to scroll

I want to be able to scroll through the whole page, but without the scrollbar being shown. 35 Answers ...
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How do I detect that an iOS app is running on a jailbroken phone?

...want my app to behave differently on a jailbroken iPhone, how would I go about determining this? 17 Answers ...
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How can I open the interactive matplotlib window in IPython notebook?

...mething in a terminal Python console). How could I do that? Preferably without leaving or restarting my notebook. 7 Answers...
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jQuery how to find an element based on a data-attribute value?

... When searching with [data-x=...], watch out, it doesn't work with jQuery.data(..) setter: $('<b data-x="1">' ).is('[data-x=1]') // this works > true $('<b>').data('x', 1).is('[data-x=1]') // this doesn't > false $('<b>').attr('data-x', 1...
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Nexus 7 not visible over USB via “adb devices” from Windows 7 x64

... thanks a lot. a few more minutes and my nexus7 would fly out the window followed my WindowsPC. – Ovidiu Latcu Nov 3 '12 at 15:20 38 ...
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Loop through an array in JavaScript

... Cannot use break / continue Normally, you can replace the need to break out of imperative loops by filtering the array elements before iterating them, for example: array.filter(item => item.condition < 10) .forEach(item => console.log(item)) Keep in mind if you are iterating an arr...
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How to call a JavaScript function from PHP?

...wser. Once a browser loads the page, then all the other magic happens - layout, box model stuff, DOM generation, and many other things, including JavaScript execution. So, you don't "call JavaScript from PHP", you "include a JavaScript function call in your output". There are many ways to do this,...