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What are the differences between numpy arrays and matrices? Which one should I use?
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Absolute vs relative URLs
...ink, a relative url s used, and if it is clicked, it has to be resolved in order to follow it. In this case, the current context is
http://myhost/mypath/myresource1.html
so the schema, hostname, and leading path of these are taken and prepended to pages/page1, yielding
http://myhost/mypath/pages...
When is it better to use an NSSet over an NSArray?
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When the order of the items in the collection is not important, sets offer better performance for finding items in the collection.
The reason is that a set uses hash values to find items (like a dictionary) while an array has to iter...
How to make rpm auto install dependencies
... need to do is,
$ sudo rpm -i *.rpm
rpm seems to figure out the correct order to install these and installs the RPMs.
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Is it possible to specify a starting number for an ordered list?
I have a ordered list where I would like the initial number to be 6. I found that this was supported (now deprecated) in HTML 4.01. In this specification they say that you can specify the starting integer by using CSS. (instead of the start attribute)
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What is the difference between “def” and “val” to define a function
...if you need a function (not method) for function composition or for higher order functions (like filter(even)) compiler will generate a function from your method every time you are using it as function, so performance could be slightly worse than with val.
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How to intercept click on link in UITextView?
...ith Swift 5 and iOS 12, you can use one of the three following patterns in order to interact with links in a UITextView.
#1. Using UITextView's dataDetectorTypes property.
The simplest way to interact with phone numbers, urls or addresses in a UITextView is to use dataDetectorTypes property. The...
Why can tuples contain mutable items?
...ings down, and would certainly be less memory efficient.
So you see, in order to fulfill their purpose, tuples must be immutable, but also must be able to contain mutable objects. If the designers of Python wanted to create an immutable object that guarantees that all the objects it "contains" ar...
Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
...llback passing the result. The implementation (please read the comments in order):
// 1. Call helloCatAsync passing a callback function,
// which will be called receiving the result from the async operation
helloCatAsync(function(result) {
// 5. Received the result from the async function,
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Android buildscript repositories: jcenter VS mavencentral
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