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Generate a UUID on iOS from Swift
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You could also just use the NSUUID API:
let uuid = NSUUID()
If you want to get the string value back out, you can use uuid.UUIDString.
Note that NSUUID is available from iOS 6 and up.
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Confusion between numpy, scipy, matplotlib and pylab
...tlib is the name of the python plotting library.
Pyplot is an interactive api for matplotlib, mostly for use in notebooks like jupyter. You generally use it like this: import matplotlib.pyplot as plt.
Pylab is the same thing as pyplot, but with extra features (its use is currently discouraged).
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What is string_view?
...suffering from the problem that the null terminator was part of the string APIs, and so you couldn't easily create substrings without mutating the underlying string (a la strtok). In C++, this is easily solved by storing the length separately and wrapping the pointer and the size into one class.
Th...
How to get the selected radio button’s value?
...lector() is a pure javascript answer: developer.mozilla.org/en-US/docs/Web/API/document.querySelector
– AdamJonR
Feb 9 '15 at 6:05
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How is Node.js inherently faster when it still relies on Threads internally?
...that for a lot of the I/O tasks, Node uses whatever kernel-level async I/O api that's available (epoll, kqueue, /dev/poll, whatever)
– Paul
Sep 15 '11 at 15:13
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Difference between IsNullOrEmpty and IsNullOrWhiteSpace in C# [duplicate]
...s, you probably never used before
https://docs.microsoft.com/en-us/dotnet/api/system.char.iswhitespace
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How to uncheck a radio button?
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Relevant documentation is actually on the .prop() method: api.jquery.com/prop Quote "Properties generally affect the dynamic state of a DOM element without changing the serialized HTML attribute. Examples include the value property of input elements, the disabled property of inputs...
Why is it not advisable to have the database and web server on the same machine?
...your DB, the maximum exposure is what your app can do through the database API. If you have a business tier in between, you have one more step between your attacker and your data. If, on the other hand, your database is on the same server, the attacker now has root access to your data and server.
Sc...
How do you remove all the options of a select box and then add one option and select it with jQuery?
...bo with the end() function. Your suggestion will work as well. From jQuery API Documentation: "Most of jQuery's DOM traversal methods operate on a jQuery object instance and produce a new one, matching a different set of DOM elements. When this happens, it is as if the new set of elements is pushed ...
How to find out what character key is pressed?
... now supported by all major browsers: developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/…
– Ray
Dec 23 '18 at 14:22
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