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How do you do a deep copy of an object in .NET? [duplicate]
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I've seen a few different approaches to this, but I use a generic utility method as such:
public static T DeepClone<T>(this T obj)
{
using (var ms = new MemoryStream())
{
var formatter = new BinaryFormatter();
formatter.Ser...
Should I index a bit field in SQL Server?
... integer column, SQL's index contains a set of rows for each index value. If you have a range of 1 to 10, then you would have 10 index pointers. Depending on how many rows there are this can be paged differently. If your query looks for the index matching "1" and then where Name contains "Fred" (...
What are the rules for JavaScript's automatic semicolon insertion (ASI)?
Well, first I should probably ask if this is browser dependent.
6 Answers
6
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How to get the insert ID in JDBC?
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If it is an auto generated key, then you can use Statement#getGeneratedKeys() for this. You need to call it on the same Statement as the one being used for the INSERT. You first need to create the statement using Statement.RE...
Should we @Override an interface's method implementation?
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-1 until the answer includes a mention about the different behaviour from Java 1.5 to 1.6 with regards to implementing an interface method. Just because I've seen it be a confusing aspect for people and it really merits a mention.
– Grundlefleck
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How to perform case-insensitive sorting in JavaScript?
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If you're going to involve localeCompare(), you could just use its ability to be case-insensitive, e.g.: return a.localeCompare(b, 'en', {'sensitivity': 'base'});
– Michael Dyck
Jul 30 '...
How to check SQL Server version
...arentheses, together with the user name that is used to connect to the specific instance of SQL Server.
Method 3: Look at the first few lines of the Errorlog file for that instance. By default, the error log is located at Program Files\Microsoft SQL Server\MSSQL.n\MSSQL\LOG\ERRORLOG and ERRORLOG.n ...
Big-O for Eight Year Olds? [duplicate]
...rd time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to perform won't grow because there are more items. And an O(n) operation would mean that you would perform a se...
One line if statement not working
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Remove if from if @item.rigged ? "Yes" : "No"
Ternary operator has form condition ? if_true : if_false
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Best way to work with transactions in MS SQL Server Management Studio
... some T-SQL queries here.
Rollback transaction -- OR commit transaction
If you want to incorporate error handling you can do so by using a TRY...CATCH BLOCK. Should an error occur you can then rollback the tranasction within the catch block.
For example:
USE AdventureWorks;
GO
BEGIN TRANSACTION...