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Howto: Clean a mysql InnoDB storage engine?
...eople create multiple ibdata files hoping for better disk-space management and performance, however that belief is mistaken.
Can I run OPTIMIZE TABLE ?
Unfortunately, running OPTIMIZE TABLE against an InnoDB table stored in the shared table-space file ibdata1 does two things:
Makes the table’s...
How can I multiply and divide using only bit shifting and adding?
How can I multiply and divide using only bit shifting and adding?
14 Answers
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When should I use C++14 automatic return type deduction?
...11 raises similar questions: when to use return type deduction in lambdas, and when to use auto variables.
The traditional answer to the question in C and C++03 has been "across statement boundaries we make types explicit, within expressions they are usually implicit but we can make them explicit w...
What is the difference between visibility:hidden and display:none?
The CSS rules visibility:hidden and display:none both result in the element not being visible. Are these synonyms?
18 A...
How does a language expand itself? [closed]
I am learning C++ and I've just started learning about some of Qt 's capabilities to code GUI programs. I asked myself the following question:
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What is the difference between a web API and a web service?
Is there any difference between a web API and a web service ? Or are they one and the same ?
12 Answers
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Difference between null and empty (“”) Java String
What is the difference between null and the "" (empty string)?
22 Answers
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Exit single-user mode
Currently, my database is in Single User mode. When I try to expand me database, I get an error:
18 Answers
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Namespace and class with the same name?
I'm organizing a library project and I have a central manager class named Scenegraph and a whole bunch of other classes that live in the Scenegraph namespace.
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Best way to test for a variable's existence in PHP; isset() is clearly broken
...l scope variables as well, on can do a $defined_vars = get_defined_vars(); and then test via array_key_exists('v', $defined_vars);.
– Henrik Opel
Sep 27 '10 at 16:01
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