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What are the respective advantages/limitations of Amazon RDS vs. EC2 with MySQL? [closed]
...In short: EC2 will provide maximum performance if you go with a RAID0 EBS. Doing RAID0 EBS requires a pretty significant amount of maintenance overhead, for example:
http://alestic.com/2009/06/ec2-ebs-raid
http://alestic.com/2009/09/ec2-consistent-snapshot
EC2 without RAID0 EBS will provide crapp...
What is the proper way to re-throw an exception in C#? [duplicate]
I have a question for you that stems from my partner doing things a different way than I do.
9 Answers
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Efficient string concatenation in C++
...sing.
You could guarantee efficiency and have greater control yourself by doing concatenation manually via c built-in functions.
Why operator+ is not efficient:
Take a look at this interface:
template <class charT, class traits, class Alloc>
basic_string<charT, traits, Alloc>
opera...
Disable Interpolation when Scaling a
NOTE : This has to do with how existing canvas elements are rendered when scaled up , not to do with how lines or graphics are rendered onto a canvas surface . In other words, this has everything to do with interpolation of scaled elements , and nothing to do with antialiasing of graphics b...
Disable browser's back button
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Note that making the page un-cacheable does not achieve what the OP wanted: to disable visiting pages using the back button. Even if a browser obeys no-cache when using the back button (which browsers are not obliged to do AFAIK) they still provide a way to reloa...
Add a reference column migration in Rails 4
...s tables and wish to add a new relationship between them.
All you need to do is: just generate a migration using the following command:
rails g migration AddUserToUploads user:references
Which will create a migration file as:
class AddUserToUploads < ActiveRecord::Migration
def change
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RESTful Authentication
What does RESTful Authentication mean and how does it work? I can't find a good overview on Google. My only understanding is that you pass the session key (remeberal) in the URL, but this could be horribly wrong.
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Programmatically get height of navigation bar
...know that the presence of the more view controller (navigation bar) pushes down the UIView by its height. I also know that this height = 44px. I have also discovered that this push down maintains the [self.view].frame.origin.y = 0 .
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How come a non-const reference cannot bind to a temporary object?
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From this Visual C++ blog article about rvalue references:
... C++ doesn't want you to accidentally
modify temporaries, but directly
calling a non-const member function on
a modifiable rvalue is explicit, so
it's allowed ...
Basically, you shouldn't try to modify temporaries for th...
How do you import a large MS SQL .sql file?
...chine. But the problem is that the file is over 300mb, which means I can't do copy and paste because the clipboard won't be able to handle it, and when I try to open the file in SQL Server Management Studio I get an error about the file being too large.
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