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How to insert a character in a string at a certain position?
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int j = 123456;
String x = Integer.toString(j);
x = x.substring(0, 4) + "." + x.substring(4, x.length());
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Error in Swift class: Property not initialized at super.init call
...initialized before it
delegates up to a superclass initializer.”
Excerpt From: Apple Inc. “The Swift Programming Language.” iBooks.
https://itunes.apple.com/us/book/swift-programming-language/id881256329?mt=11
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How to format a floating number to fixed width in Python
How do I format a floating number to a fixed width with the following requirements:
7 Answers
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The easiest way to transform collection to array?
... Collection<Foo> . What is the best (shortest in LoC in current context) way to transform it to Foo[] ? Any well-known libraries are allowed.
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Is there a built in function for string natural sort?
Using Python 3.x, I have a list of strings for which I would like to perform a natural alphabetical sort.
18 Answers
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Filtering collections in C#
...vert back to a List<T>.
List<int> filteredList = myList.Where( x => x > 7).ToList();
If you can't find the .Where, that means you need to import using System.Linq; at the top of your file.
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Chmod recursively
...ly, after I download it, to change a branch of the file system within the extracted files to gain read access. (I can't change how archive is created).
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When to use .First and when to use .FirstOrDefault with LINQ?
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I would use First() when I know or expect the sequence to have at least one element. In other words, when it is an exceptional occurrence that the sequence is empty.
Use FirstOrDefault() when you know that you will need to check whether there was an element or...
How to find out if you're using HTTPS without $_SERVER['HTTPS']
...reported for IIS7 running PHP as a Fast-CGI application).
Also, Apache 1.x servers (and broken installations) might not have $_SERVER['HTTPS'] defined even if connecting securely. Although not guaranteed, connections on port 443 are, by convention, likely using secure sockets, hence the additional...
How do I remove the file suffix and path portion from a path string in Bash?
...n a string file path such as /foo/fizzbuzz.bar , how would I use bash to extract just the fizzbuzz portion of said string?
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