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When should one use a 'www' subdomain?
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There are a ton of good reasons to include it, the best of which is here:
Yahoo Performance Best Practices
Due to the dot rule with cookies, if you don't have the 'www.' then you can't set two-dot cookies or cross-subdomain cookies a la *.example.com. There are two pertinent impacts.
F...
What are the best practices for using a GUID as a primary key, specifically regarding performance?
...UID as the Primary Key in almost all tables and I have read that there are issues about performance when using GUID as Primary Key. Honestly, I haven't seen any problem, but I'm about to start a new application and I still want to use the GUIDs as the Primary Keys, but I was thinking of using a Comp...
CSS '>' selector; what is it? [duplicate]
... border: 1px solid orange;
}
<div class='outer'>
div.outer - This is the parent.
<div class="middle">
div.middle - This is an immediate child of "outer". This will receive the orange border.
<div class="inner">div.inner - This is an immediate child of "middle". T...
Good reasons to prohibit inheritance in Java?
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Your best reference here is Item 19 of Joshua Bloch's excellent book "Effective Java", called "Design and document for inheritance or else prohibit it". (It's item 17 in the second edition and item 15 in the first edition.) You should really read it...
Java ByteBuffer to String
Is this a correct approach to convert ByteBuffer to String in this way,
10 Answers
10
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@Autowired and static method
...owired service which has to be used from within a static method. I know this is wrong but I cannot change the current design as it would require a lot of work, so I need some simple hack for that. I can't change randomMethod() to be non-static and I need to use this autowired bean. Any clues how ...
The transaction log for the database is full
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Is this a one time script, or regularly occurring job?
In the past, for special projects that temporarily require lots of space for the log file, I created a second log file and made it huge. Once the project is complete we...
How to append one file to another in Linux from the shell?
... append the contents of file2 to file1 so that contents of file1 persist the process?
8 Answers
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IOCTL Linux device driver [closed]
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An ioctl, which means "input-output control" is a kind of device-specific system call. There are only a few system calls in Linux (300-400), which are not enough to express all the unique functions devices may have. So a driver can define an ioctl which allows a userspa...
What new capabilities do user-defined literals add to C++?
...terals which will allow the introduction of new literal syntax based on existing literals ( int , hex , string , float ) so that any type will be able to have a literal presentation.
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