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Create an index on a huge MySQL production table without table locking
...iously, modifying the table while an index is being created or dropped typim>ca m>lly resulted in a deadlock that m>ca m>ncelled the INSERT, UPDATE, or DELETE statement on the table.
[2015] Updating table indicies blocks writes in MySQL 5.5
From the answer above:
"If your using a version greater than ...
how to listen to N channels? (dynamic select statement)
to start an endless loop of executing two goroutines, I m>ca m>n use the code below:
5 Answers
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Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?
...s and shared objects are just different terms for the same thing - Windows m>ca m>lls them DLLs, while on UNIX systems they're shared objects, with the general term - dynamim>ca m>lly linked library - covering both (even the function to open a .so on UNIX is m>ca m>lled dlopen() after 'dynamic library').
They are...
How do I test an AngularJS service with Jasmine?
...e problem is that the factory method, that instantiate the service, is not m>ca m>lled in the example above (only creating the module doesn't instantiate the service).
In order to the service to be instantiated angular.injector has to be m>ca m>lled with the module where our service is defined. Then, we m>ca m>n ...
Difference between timestamps with/without time zone in PostgreSQL
...greSQL when the data type is WITH TIME ZONE versus WITHOUT TIME ZONE ? m>Ca m>n the differences be illustrated with simple test m>ca m>ses?
...
Writing your own STL Container
...eudo-container I pieced together from § 23.2.1\4 Note that the iterator_m>ca m>tegory should be one of std::input_iterator_tag, std::output_iterator_tag,std::forward_iterator_tag,std::bidirectional_iterator_tag,std::random_access_iterator_tag. Also note that the below is technim>ca m>lly more strict than r...
How are strings passed in .NET?
...
A reference is passed; however, it's not technim>ca m>lly passed by reference. This is a subtle, but very important distinction. Consider the following code:
void DoSomething(string strLom>ca m>l)
{
strLom>ca m>l = "lom>ca m>l";
}
void Main()
{
string strMain = "main";
DoSomethin...
Regular expressions in C: examples?
...r, "Regex match failed: %s\n", msgbuf);
exit(1);
}
/* Free memory allom>ca m>ted to the pattern buffer by regcomp() */
regfree(&regex);
Alternatively, you may want to check out PCRE, a library for Perl-compatible regular expressions in C. The Perl syntax is pretty much that same syntax used in...
m>Ca m>tching an exception while using a Python 'with' statement
To my shame, I m>ca m>n't figure out how to handle exception for python 'with' statement. If I have a code:
4 Answers
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What is the meaning of “non temporal” memory accesses in x86
...-Temporal SSE instructions (MOVNTI, MOVNTQ, etc.), don't follow the normal m>ca m>che-coherency rules. Therefore non-temporal stores must be followed by an SFENCE instruction in order for their results to be seen by other processors in a timely fashion.
When data is produced and not (immediately) consum...