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Check if object value exists within a Javascript array of objects and if not add a new object to arr
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I've assumed that ids are meant to be unique here. some is a great function for checking the existence of things in arrays:
const arr = [{ id: 1, username: 'fred' }, { id: 2, username: 'bill' }, { id: 3, username: 'ted' }];
function ad...
What is the difference between id and class in CSS, and when should I use them? [duplicate]
Here I gave an id to the div element and it's applying the relevant CSS for it.
15 Answers
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Rebasing a branch including all its children
...e with mass automated rebasing.
So here it is. Use it by saving it into a file called git-auto-rebase in your PATH. It's probably also a good idea to use the dry run (-n) option before you try it for real. It may be a little more detail than you really want, but it will show you what it's going to ...
Which characters need to be escaped in HTML?
... three main characters which should be always escaped in your HTML and XML files, so they don't interact with the rest of the markups, so as you probably expect, two of them gonna be the syntax wrappers, which are <>, they are listed as below:
1) &lt; (<)
2) &gt; (>)
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How to remove all namespaces from XML with C#?
... Yo this works great, not only does it work, it doesn't even affect the file it's writing the data too the Xelement using the DescendantAndself method. thanks man!
– shawn
Dec 22 '14 at 2:54
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When use getOne and findOne methods Spring Data JPA
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TL;DR
T findOne(ID id) (name in the old API) / Optional<T> findById(ID id) (name in the new API) relies on EntityManager.find() that performs an entity eager loading.
T getOne(ID id) relies on EntityManager.getReference() that perform...
How to find largest objects in a SQL Server database?
...ceMB
FROM
sys.tables t
INNER JOIN
sys.indexes i ON t.object_id = i.object_id
INNER JOIN
sys.partitions p ON i.object_id = p.object_id AND i.index_id = p.index_id
INNER JOIN
sys.allocation_units a ON p.partition_id = a.container_id
WHERE
t.name NOT LIKE 'dt%' AND
i.o...
Real life example, when to use OUTER / CROSS APPLY in SQL
... FROM sys.parameters pa
WHERE pa.object_id = pr.object_id
ORDER BY pr.name) pa
ORDER BY pr.name,
pa.name
2) Calling a Table Valued Function for each row in the outer query
SELECT *
FROM sys.dm_exec_query_stats AS qs
CROSS APPLY s...
What is the id( ) function used for?
I read the Python 2 docs and noticed the id() function:
13 Answers
13
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How do I resolve cherry-pick conflicts using their changes?
...ill prompted for an unresolved conflict: Unmerged paths: deleted by them: (file path). Any idea?
– pilau
Aug 2 '13 at 10:41
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