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How do I determine whether my calculation of pi is accurate?
...putation goes bad, the digits at the end won't match.
This does typically more than double the amount of time needed (since the second algorithm is usually slower). But it's the only way to verify the computed digits once you've wandered into the uncharted territory of never-before-computed digits ...
HTML5 best practices; section/header/aside/article elements
...are the only ones which don’t create sections themselves
There is one more thing to sections: the following contexts (i.e. elements) create "outline boundaries". Whatever sections they contain is private to them:
the document itself with <body>
table cells with <td>
<blockquote...
Maximum length for MySQL type text
.../MultiByte encoding: using MultiByte encoding each character might consume more than 1 byte of space. For UTF-8 space consumption is between 1 to 4 bytes per char.
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How can I get file extensions with JavaScript?
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How can I check if a Perl array contains a particular value?
... } @badparams;
if(exists($params{$someparam})) { ... }
You can also add more (unique) params to the list:
$params{$newparam} = 1;
And later get a list of (unique) params back:
@badparams = keys %params;
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MySQL Error 1215: Cannot add foreign key constraint
... @www.jensolsson.se You are correct, if the PK includes one or more string columns then they must use the same character set and collation. In this specific case the PK was an INT so the character set of the table and/or columns was not relevant.
– Ike Walker
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Solution for “Fatal error: Maximum function nesting level of '100' reached, aborting!” in PHP
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How to allocate aligned memory only using the standard library?
...ng, and pointers to objects and pointers to functions. When you are doing more specialized things, like playing with graphics systems, they can need more stringent alignment than the rest of the system — hence questions and answers like this.)
The next step is to convert the void pointer to a ch...
Can Objective-C switch on NSString?
Is there a more intelligent way to rewrite this?
13 Answers
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Android AsyncTask threads limits?
...s from ever running.
For completeness, if you repeated your exercise with more than 6 tasks (e.g. 30), you will see that more than 6 will enter doInBackground as the queue will become full and the executor is pushed to create more worker threads. If you kept with the long-running task, you should s...