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How to find index of list item in Swift?
...B = arr.indexOf("b") // 1
let indexOfD = arr.indexOf("d") // nil
Additionally, finding the first element in an array fulfilling a predicate is supported by another extension of CollectionType:
let arr2 = [1,2,3,4,5,6,7,8,9,10]
let indexOfFirstGreaterThanFive = arr2.indexOf({$0 > 5}) // 5
let i...
Good or bad practice for Dialogs in wpf with MVVM?
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What if instead of using services, one uses a sort of Callback to facilitate interaction with the ViewModel and the View? For example, View executes a Command in the ViewModel, then when all is said and done, the ViewModel fires a Callback for the View to display the results of t...
Using IQueryable with Linq
...t;T>. Say, for example, you have a Products table, and you want to get all of the products whose cost is >$25.
If you do:
IEnumerable<Product> products = myORM.GetProducts();
var productsOver25 = products.Where(p => p.Cost >= 25.00);
What happens here, is the database loads ...
Showing a different background colour in Vim past 80 characters
... Mono 11 font and the molokai color scheme. You can find my vim config and all of my dotfiles on GitHub.
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How do you convert Html to plain text?
...ward if you don't have to worry about things like <script> tags. If all you need to do is display the text without the tags you can accomplish that with a regular expression:
<[^>]*>
If you do have to worry about <script> tags and the like then you'll need something a bit mo...
How can I do string interpolation in JavaScript?
... @LaughingLemonade Backward compatibility. If it was implemented that way, all the existing code which prints a string in that format will fail.
– thefourtheye
Dec 21 '18 at 7:02
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HTTP header line break style
...0)>
HTTP/1.1 defines the sequence CR LF as the end-of-line marker for all protocol elements except the entity-body
RFC2616 was technically obsoleted by RFC7230, but it makes no drastic changes and again calls out CRLF as the delimiter in section 3, and that RFC references RFC5234, Appendix B....
Python unittest - opposite of assertRaises?
...the correct solution in fact. The solution proposed by user9876 is conceptually flawed: if you test for the non-raising of say ValueError, but ValueError is instead raised, your test must exit with a failure condition, not an error one. On the other hand, if in running the same code you would raise ...
ReactJS - Does render get called any time “setState” is called?
Does React re-render all components and sub components every time setState() is called?
7 Answers
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How to completely remove a dialog on close
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If you are using a div from the DOM, so not dynamically created, use .empty(). Then you can reuse it, if you fill the contents again offcourse.
– KoalaBear
Jul 15 '13 at 21:14
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