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How to set enum to null
...l value 0 to any other constant would change that behaviour, also changing order of occurrence would change output of default(Color) (https://stackoverflow.com/a/4967673/8611327)
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PHP cURL custom headers
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Table Header Views in StoryBoards
...herwise I'd end up with extra space above the header view itself. Also, in order for this header to "stick" at the top of the table view, I had to implement viewForHeaderInSection:(NSInteger)section and return this view.
– ozz
Jan 12 '12 at 7:33
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Sharing link on WhatsApp from mobile website (not application) for Android
...sApp updated on its official website that we need to use
this HTML tag in order to make it shareable to mobile sites:
<a href="whatsapp://send?text=Hello%20World!">Hello, world!</a>
You can replace text= to have your link or any text content
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How do I force Postgres to use a particular index?
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I even had to set random_page_cost = 0.1 in order to make index scan work on large (~600M rows table) in Pg 10.1 on Ubuntu. Without the tweak, seq scan (despite being parallel) was taking 12 mins (Note that Analyze table was performed!). Drive is SSD. After the tweak,...
How do I convert a byte array to Base64 in Java?
... to Base64
You would need to reference commons codec from your project in order for that code to work.
For java8:
import java.util.Base64
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Reading a delimited string into an array in Bash
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In order to convert a string into an array, please use
arr=($line)
or
read -a arr <<< $line
It is crucial not to use quotes since this does the trick.
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How to add to an existing hash in Ruby
...will create a empty hash.
Arrays have zero or more elements in a specific order, where elements may be duplicated. Hashes have zero or more elements organized by key, where keys may not be duplicated but the values stored in those positions can be.
Hashes in Ruby are very flexible and can have key...
What is a loop invariant?
...posing the loop is iterating with i, at the end of each loop, the array is ordered until the i-th element.
– Clash
Apr 7 '11 at 16:23
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How to jQuery clone() and change id?
...ID
Say you have many elements with IDs like klon--5 but scrambled (not in order). Here we cannot go for :last or :first, therefore we need a mechanism to retrieve the highest ID:
const $all = $('[id^="klon--"]');
const maxID = Math.max.apply(Math, $all.map((i, el) => +el.id.match(/\d+$/g)[...