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What are the best practices for using a GUID as a primary key, specifically regarding performance?
...y argue to use it for the PRIMARY KEY of the table. What I'd strongly recommend not to do is use the GUID column as the clustering key, which SQL Server does by default, unless you specifically tell it not to.
You really need to keep two issues apart:
the primary key is a logical construct - one ...
How to add elements of a Java8 stream into an existing List
Javadoc of Collector shows how to collect elements of a stream into a new List. Is there an one-liner that adds the results into an existing ArrayList?
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How to set the prototype of a JavaScript object that has already been instantiated?
...o in my JavaScript code. foo is a complex object and it is generated somewhere else. How can I change the prototype of the foo object?
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Object comparison in JavaScript [duplicate]
...s no perfect way, unless you use _proto_ recursively and access all non-enumerable properties, but this works in Firefox only.
So the best I can do is to guess usage scenarios.
1) Fast and limited.
Works when you have simple JSON-style objects without methods and DOM nodes inside:
JSON.string...
How to use sessions in an ASP.NET MVC 4 application?
...
Try
//adding data to session
//assuming the method below will return list of Products
var products=Db.GetProducts();
//Store the products to a session
Session["products"]=products;
//To get what you have stored to a session
var products=Session["products"] as List...
List of all index & index columns in SQL Server DB
...ery's getting pretty close to what you're looking for:
SELECT
TableName = t.name,
IndexName = ind.name,
IndexId = ind.index_id,
ColumnId = ic.index_column_id,
ColumnName = col.name,
ind.*,
ic.*,
col.*
FROM
sys.indexes ind
INNER JOIN
sys.index_co...
How can I generate UUID in C#
... .idl file programmatically. How do I create UUIDs for the interfaces and Methods Programmatically.
5 Answers
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How to update SQLAlchemy row entry?
Assume table has three columns: username , password and no_of_logins .
5 Answers
5...
How are Python's Built In Dictionaries Implemented?
Does anyone know how the built in dictionary type for python is implemented? My understanding is that it is some sort of hash table, but I haven't been able to find any sort of definitive answer.
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Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server
...create a primary key or unique index within a SQL Server CREATE TABLE statement. Is it possible to create a non-unique index within a CREATE TABLE statement?
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