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Does MySQL index foreign key columns automatically?
Does MySQL index foreign key columns automatically?
9 Answers
9
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PHP UML Generator [closed]
...XMI file
Can convert UML/XMI content from version 1.4 to version 2.1
Install it on the command line via:
$ pear install pear/php_uml
(This used to be $ pear install pear/php_uml-alpha but the package has since gone stable.)
Generate your xmi:
$ phpuml -o project.xmi
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How do I check for C++11 support?
...t have (partial) compiler-level support versus a standard C++ library with all the C++11 changes.
So Boost's defines mentioned in another answer remain the only sane way to figure out if there is, for example, support for C++11 threads and other specific parts of the standard.
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ab load testing
...While ab runs, there will be -c clients hitting the site. This is what actually decides the amount of stress your site will suffer during the benchmark.
-n: Indicates how many requests are going to be made. This just decides the length of the benchmark. A high -n value with a -c value that your ser...
When are you truly forced to use UUID as part of the design?
I don't really see the point of UUID . I know the probability of a collision is effectively nil , but effectively nil is not even close to impossible.
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How to sort a HashMap in Java [duplicate]
...tion order (which I often like for debugging), or by access order. And finally if you're doing a lot of this you might check out Java 1.6 and NavigableMap, awesome stuff!
– Mark Bennett
Jan 5 '12 at 0:58
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GitHub “fatal: remote origin already exists”
...me or update the existing one if you don't need it:
To add a new remote, called for example github instead of origin (which obviously already exists in your system), do the following:
$ git remote add github git@github.com:ppreyer/first_app.git
Remember though, everywhere in the tutorial you see...
How to watch for array changes?
...ent
}
return n;
}
});
1 Alternatively, if you'd like to target all arrays, you could override Array.prototype.push(). Use caution, though; other code in your environment may not like or expect that kind of modification. Still, if a catch-all sounds appealing, just replace myArray with Ar...
How does collections.defaultdict work?
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Usually, a Python dictionary throws a KeyError if you try to get an item with a key that is not currently in the dictionary. The defaultdict in contrast will simply create any items that you try to access (provided of course th...
Can you grab or delete between parentheses in vi/vim?
...isual mode, then you specify that you want to go 2 levels of parens up. Finally the a) selects "a block". After that you can use d or x to delete, etc.
If you don't want to include the outer parens, you can use "inner block" instead:
v2i)
See :help object-select for the complete list of related ...