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Array vs. Object efficiency in JavaScript
...icient way of storing them and retrieving a single object once I have it's id. The id's are long numbers.
9 Answers
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How do I UPDATE from a SELECT in SQL Server?
..._Table AS Table_A
INNER JOIN Other_Table AS Table_B
ON Table_A.id = Table_B.id
WHERE
Table_A.col3 = 'cool'
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Check if key exists and iterate the JSON array using Python
...
import json
jsonData = """{"from": {"id": "8", "name": "Mary Pinter"}, "message": "How ARE you?", "comments": {"count": 0}, "updated_time": "2012-05-01", "created_time": "2012-05-01", "to": {"data": [{"id": "1543", "name": "Honey Pinter"}]}, "type": "status", "i...
SQL JOIN - WHERE clause vs. ON clause
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They are not the same thing.
Consider these queries:
SELECT *
FROM Orders
LEFT JOIN OrderLines ON OrderLines.OrderID=Orders.ID
WHERE Orders.ID = 12345
and
SELECT *
FROM Orders
LEFT JOIN OrderLines ON OrderLines.OrderID=Orders.ID
AND Orders.ID = 1234...
How can I get a user's media from Instagram without authenticating as a user?
I'm trying to put a user's recent Instagram media on a sidebar. I'm trying to use the Instagram API to fetch the media.
20 ...
In HTML5, is the localStorage object isolated per page/domain?
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Yeah, each domain/subdomain has a different localStorage and you can call the keys whatever you want (prefix is not required).
To get a key you can use the method key(index) such as
localStorage.key(0);
There was an object called globalStorage before where you could have multiple localSto...
SQL Server Insert if not exists
...
instead of below Code
BEGIN
INSERT INTO EmailsRecebidos (De, Assunto, Data)
VALUES (@_DE, @_ASSUNTO, @_DATA)
WHERE NOT EXISTS ( SELECT * FROM EmailsRecebidos
WHERE De = @_DE
AND Assunto = @_ASSUNTO
AND Data = @_D...
How to add a right button to a UINavigationController?
... Even inside of a UINavigationContoller's viewDidLoad method, I had to call it like self.topViewController.navigationItem.leftBarButtonItem = nextButton;
– Joseph
Sep 2 '12 at 19:10
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Get class name using jQuery
...s jQuery object via other means than its class, then
var className = $('#sidebar div:eq(14)').attr('class');
should do the trick. For the ID use .attr('id').
If you are inside an event handler or other jQuery method, where the element is the pure DOM node without wrapper, you can use:
this.clas...
DISTINCT for only one column
... Server 2005 or above use this:
SELECT *
FROM (
SELECT ID,
Email,
ProductName,
ProductModel,
ROW_NUMBER() OVER(PARTITION BY Email ORDER BY ID DESC) rn
FROM Produ...