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Is there a REAL performance difference between INT and VARCHAR primary keys?

... your database? And pretend that SU never exists? And all references to SU now points to Russia? – Dainius Aug 23 '12 at 8:01 6 ...
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Difference between attr_accessor and attr_accessible

...ode to (quickly) create setter and getter methods in a Class. That's all. Now, what is missing as an explanation is that when you create somehow a link between a (Rails) model with a database table, you NEVER, NEVER, NEVER need attr_accessor in your model to create setters and getters in order to b...
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Replacing H1 text with a logo image: best method for SEO and accessibility?

... Unfortunately the link in the comment left by @troynt is now broken. Here's a new permalink to the content: youtu.be/fBLvn_WkDJ4 – ahsteele Mar 4 '13 at 18:46 10 ...
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How to change the CHARACTER SET (and COLLATION) throughout a database?

...le (Mysql). He set it up with Latin collation, when it should be UTF8, and now I have issues. Every record with Chinese and Japan character turn to ??? character. ...
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Does Parallel.ForEach limit the number of active threads?

...sure enough the 8000+ threads disappeared. I have tested it multiple times now with the same result. – Jake Drew Jun 24 '16 at 6:40 ...
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Why can templates only be implemented in the header file?

...compiled. So when foo.cpp is compiled, the compiler can't see bar.cpp to know that MyClass<int> is needed. It can see the template MyClass<T>, but it can't emit code for that (it's a template, not a class). And when bar.cpp is compiled, the compiler can see that it needs to create a MyC...
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SVN best-practices - working in a team

I'm starting out with SVN. I know the basic commands and understand the base principles. I was wondering if anyone has any tips or best practices for working with Subversion in a team environment. ...
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Why do some websites add “Slugs” to the end of URLs? [closed]

... The slugs make the URL more user-friendly and you know what to expect when you click a link. Search engines such as Google, rank the pages higher if the searchword is in the URL. share | ...
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Nginx no-www to www and www to no-www

...r_name google.com; index index.php index.html; #### # now pull the site from one directory # root /var/www/www.google.com/web; # done # location = /favicon.ico { log_not_found off; access_log off; } } ...
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Notification click: activity already open

...es on top of it will be closed and this Intent will be delivered to the (now on top) old activity as a new Intent. For example, consider a task consisting of the activities: A, B, C, D. If D calls startActivity() with an Intent that resolves to the component of activity B, then C and D...