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How much overhead does SSL impose?

...mation for the encryption overhead of SSL versus unencrypted socket communication? I'm talking only about the comm processing and wire time, not counting application-level processing. ...
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What is a bank conflict? (Doing Cuda/OpenCL programming)

I have been reading the programming guide for CUDA and OpenCL, and I cannot figure out what a bank conflict is. They just sort of dive into how to solve the problem without elaborating on the subject itself. Can anybody help me understand it? I have no preference if the help is in the context of CUD...
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Entity Framework 4 - AddObject vs Attach

... objects that do not exist in the database. The entity will get an automatically generated temporary EntityKey and its EntityState will be set to Added. When SaveChanges is called, it will be clear to the EF that this entity needs to be inserted into the database. ObjectContext.Attach and ObjectSe...
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JavaScript DOM remove element

... answered Jan 12 '12 at 6:11 casablancacasablanca 64.3k55 gold badges121121 silver badges142142 bronze badges ...
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How to use mongoimport to import csv

...Example below was for 1.7.3. Are you using an older version of MongoDB? $ cat > locations.csv Name,Address,City,State,ZIP Jane Doe,123 Main St,Whereverville,CA,90210 John Doe,555 Broadway Ave,New York,NY,10010 ctrl-d $ mongoimport -d mydb -c things --type csv --file locations.csv --headerline c...
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When to use the JavaScript MIME type application/javascript instead of text/javascript?

...g in IE , text/javascript is used in HTML documents so Internet Explorer can understand it. 4 Answers ...
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What is the difference between packaged_task and async

...// invoke the function // You have to wait until task returns. Since task calls sleep // you will have to wait at least 1 second. std::cout << "You can see this after 1 second\n"; // However, f.get() will be available, since task has already finished. std::cout << f.get() << std:...
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What is the difference between include and extend in Ruby?

...ding Mod in Klazz gives instances of Klazz access to Mod's methods. Or you can extend Klazz with Mod giving the class Klazz access to Mod's methods. But also you can extend an arbitrary object with o.extend Mod. In this case the individual object gets Mod's methods even though all other objects with...
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What exactly is Arel in Rails 3.0?

...in strings. It is a common query layer that underlies ActiveRecord, but it can also be used as an underpinning for DataMapper, for example. If it is a replacement for anything, it's a replacement for Ambition. Or, you can think of it as a Ruby version of the LINQ standard query operators or Python's...
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On delete cascade with doctrine2

...mple in order to learn how to delete a row from a parent table and automatically delete the matching rows in the child table using Doctrine2. ...