c - What does s[i] - '0' mean? -
the following code k&r textbook, page number 71:
val =10.0*val+s[i] -'0' what s[i] -'0' mean here?
it converts int in char form actual int.
for example, if s[i] '9' s[i] - '0' produce 9.
php - Hide output during test execution -
i have var_dumps in php code (i understand there must none in end, still), , while tests running outputs non necessary information console, there method ignore code execution? i've tried /** * @codecoverageignore */ and // @codecoverageignorestart print '*'; // @codecoverageignoreend but ignores coverage, , still executes code. you can set setoutputcallback nothing function. effect suppress output printed in test or in tested class. as example: namespace acme\demobundle\tests; class nooutputtest extends \phpunit_framework_testcase { public function testsuppressedoutput() { // suppress output console $this->setoutputcallback(function() {}); print '*'; $this->assertfalse(false, "don't see *"); } } you can find reference in doc hope help
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