{"id":155277,"date":"2012-10-18T17:30:05","date_gmt":"2012-10-18T13:30:05","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=155277"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=155277","title":{"rendered":"<span class=\"post_title\">\u041b\u0435\u043d\u0438\u0432\u044b\u0439 map \u043d\u0430 Qt<\/span>"},"content":{"rendered":"<div class=\"content html_format\">   \t\u0412&nbsp;Qt \u0435\u0441\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0432\u0430\u0448\u0435\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0434\u043b\u044f&nbsp;\u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0447\u043b\u0435\u043d\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438&nbsp;\u2014 <a href=\"http:\/\/qt-project.org\/doc\/qt-4.8\/qtconcurrentmap.html#mapped\">QtConcurrent::mapped()<\/a> \u0438&nbsp;\u0435\u0433\u043e \u0434\u0440\u0443\u0437\u044c\u044f.<\/p>\n<p>  \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0442\u043e\u043b\u044c\u043a\u043e \u0432&nbsp;\u043e\u0434\u043d\u043e\u043c&nbsp;\u2014 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u0432 QVector. \u041f\u043e\u044d\u0442\u043e\u043c\u0443, \u043a\u043e\u0433\u0434\u0430 \u043c\u043d\u0435 \u043f\u043e\u043d\u0430\u0434\u043e\u0431\u0438\u043b\u043e\u0441\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0441\u0432\u043e\u044e \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u0434\u043b\u044f&nbsp;65&nbsp;\u043c\u0438\u043b\u043b\u0438\u043e\u043d\u043e\u0432 \u043a\u0443\u0441\u043e\u0447\u043a\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445, \u044f \u043d\u0435&nbsp;\u0441\u0442\u0430\u043b \u043c\u0443\u0447\u0430\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043a\u0443, \u0430&nbsp;\u043d\u0430\u043f\u0438\u0441\u0430\u043b \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e \u0442\u043e&nbsp;\u0436\u0435&nbsp;\u0441\u0430\u043c\u043e\u0435, \u0442\u043e\u043b\u044c\u043a\u043e \u0447\u0443\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u043b\u0435\u043d\u0438\u0432\u043e\u0435, \u0442\u043e&nbsp;\u0435\u0441\u0442\u044c \u043d\u043e\u0432\u044b\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0431\u0443\u0434\u0443\u0442 \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u0442\u044c\u0441\u044f, \u0442\u043e\u043b\u044c\u043a\u043e \u0435\u0441\u043b\u0438 \u0441\u0442\u0430\u0440\u044b\u0435 \u0443\u0436\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0438\u0441\u044c.<br \/>  <a name=\"habracut\"><\/a><br \/>  \u041a\u043e\u0434: <a href=\"https:\/\/bitbucket.org\/cblp\/threadpool\/src\">bitbucket.org\/cblp\/threadpool<\/a><\/p>\n<h5>\u041f\u0440\u0438\u043c\u0435\u0440<\/h5>\n<p>  \u041f\u0440\u043e\u0447\u0438\u0442\u0430\u0442\u044c \u0438\u0437&nbsp;\u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0433\u043e \u0432\u0432\u043e\u0434\u0430 \u0441\u0442\u0440\u043e\u043a\u0438, \u043e\u0442&nbsp;\u043a\u0430\u0436\u0434\u043e\u0439 \u043f\u043e\u0441\u0447\u0438\u0442\u0430\u0442\u044c N-\u043a\u0440\u0430\u0442\u043d\u044b\u0439 MD5 \u0441&nbsp;\u0441\u043e\u043b\u044c\u044e, \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0437\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u0432&nbsp;\u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u0439 \u0432\u044b\u0432\u043e\u0434. (\u042d\u0442\u043e \u0441\u0438\u043b\u044c\u043d\u043e \u0438\u0437\u043c\u0435\u043d\u0451\u043d\u043d\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440 \u0438\u0437&nbsp;\u0440\u0435\u0430\u043b\u044c\u043d\u043e\u0439 \u0436\u0438\u0437\u043d\u0438.)<\/p>\n<pre><code class=\"cpp\">const uint N = 10000; const QString Salt = &quot;5417&quot;;  QByteArray md5_N_times(QString line) {     QByteArray data = line.toUtf8();     for ( uint i = 0; i &lt; N; ++i )         data = QCryptographicHash::hash(Salt.toUtf8() + data, QCryptographicHash::Md5);     return data; }  int main() {     QTextStream input(stdin);     QTextStream output(stdout);      ThreadPool pool;      FutureIterator&lt;QByteArray&gt; results = pool.map(         QTextStreamIterator(input),         md5_N_times     );      while ( results.hasNext() )     {         output &lt;&lt; results.next().toHex() &lt;&lt; endl;     }      return 0; } <\/code><\/pre>\n<div class=\"clear\"><\/div>\n<\/p><\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"http:\/\/habrahabr.ru\/post\/155277\/\"> http:\/\/habrahabr.ru\/post\/155277\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"content html_format\">   \t\u0412&nbsp;Qt \u0435\u0441\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0432\u0430\u0448\u0435\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0434\u043b\u044f&nbsp;\u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0447\u043b\u0435\u043d\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438&nbsp;\u2014 <a href=\"http:\/\/qt-project.org\/doc\/qt-4.8\/qtconcurrentmap.html#mapped\">QtConcurrent::mapped()<\/a> \u0438&nbsp;\u0435\u0433\u043e \u0434\u0440\u0443\u0437\u044c\u044f.<\/p>\n<p>  \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0442\u043e\u043b\u044c\u043a\u043e \u0432&nbsp;\u043e\u0434\u043d\u043e\u043c&nbsp;\u2014 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u0432 QVector. \u041f\u043e\u044d\u0442\u043e\u043c\u0443, \u043a\u043e\u0433\u0434\u0430 \u043c\u043d\u0435 \u043f\u043e\u043d\u0430\u0434\u043e\u0431\u0438\u043b\u043e\u0441\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0441\u0432\u043e\u044e \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u0434\u043b\u044f&nbsp;65&nbsp;\u043c\u0438\u043b\u043b\u0438\u043e\u043d\u043e\u0432 \u043a\u0443\u0441\u043e\u0447\u043a\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445, \u044f \u043d\u0435&nbsp;\u0441\u0442\u0430\u043b \u043c\u0443\u0447\u0430\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043a\u0443, \u0430&nbsp;\u043d\u0430\u043f\u0438\u0441\u0430\u043b \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e \u0442\u043e&nbsp;\u0436\u0435&nbsp;\u0441\u0430\u043c\u043e\u0435, \u0442\u043e\u043b\u044c\u043a\u043e \u0447\u0443\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u043b\u0435\u043d\u0438\u0432\u043e\u0435, \u0442\u043e&nbsp;\u0435\u0441\u0442\u044c \u043d\u043e\u0432\u044b\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0431\u0443\u0434\u0443\u0442 \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u0442\u044c\u0441\u044f, \u0442\u043e\u043b\u044c\u043a\u043e \u0435\u0441\u043b\u0438 \u0441\u0442\u0430\u0440\u044b\u0435 \u0443\u0436\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0438\u0441\u044c.  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-155277","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/155277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=155277"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/155277\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=155277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=155277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=155277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}