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What is the relative performance difference of if/else versus switch statement in Java?

... That's micro optimization and premature optimization, which are evil. Rather worry about readabililty and maintainability of the code in question. If there are more than two if/else blocks glued together or its size is unpredictable, then you may high...
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Is there YAML syntax for sharing part of a list or map?

...sequences as your first example. This makes sense when you think about it, and your example looks like it probably doesn't need to be sequential anyway. Simply changing your sequence values to mapping keys should do the trick, as in the following (untested) example: sitelist: &sites ? www.foo...
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Oracle: how to UPSERT (update or insert into a table?)

...swered Oct 27 '08 at 11:12 Tony AndrewsTony Andrews 119k1919 gold badges207207 silver badges246246 bronze badges ...
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Could not load file or assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0

I have installed MS SQL Server 2008 R2 and when I try to update model from database under EDMX file I am facing that error. ...
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What is Castle Windsor, and why should I care?

I'm a long-time Windows developer, having cut my teeth on win32 and early COM. I've been working with .NET since 2001, so I'm pretty fluent in C# and the CLR. I'd never heard of Castle Windsor until I started participating in Stack Overflow. I've read the Castle Windsor "Getting Started" guide, b...
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Is it fine to have foreign key as primary key?

...n to this are tables with a one-to-one relationship, where the foreign key and primary key of the linked table are one and the same. share | improve this answer | follow ...
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PHP: If internet explorer 6, 7, 8 , or 9

... This is what I ended up using a variation of, which checks for IE8 and below: if (preg_match('/MSIE\s(?P<v>\d+)/i', @$_SERVER['HTTP_USER_AGENT'], $B) && $B['v'] <= 8) { // Browsers IE 8 and below } else { // All other browsers } ...
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Using an RDBMS as event sourcing storage

...ashioned state-based persistence). Therefore I wouldn't recommend option 1 and 2 at all. Below is the schema as used in Ncqrs. As you can see, the table "Events" stores the related data as a CLOB (i.e. JSON or XML). This corresponds to your option 3 (Only that there is no "ProductEvents" table beca...
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Best practices for exception management in Java or C# [closed]

I'm stuck deciding how to handle exceptions in my application. 15 Answers 15 ...
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FTP/SFTP access to an Amazon S3 Bucket [closed]

...o set up). Or you can mount the bucket to a file system on a Linux server and access the files using the SFTP as any other files on the server (which gives you greater control). Or you can just use a (GUI) client that natively supports S3 protocol (what is free). Managed SFTP Service In your...