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572:20200311在UBuntu更新firefox<br><table width=800 border=8><tr><td bgcolor=cyan><p>(1) $ sudo apt-get update</p>
<p>(2) $ sudo apt-get install flashplugin-installer</p>
<p><code><code>(3)$ sudo apt-get install firefox</code></code></p>
<p><code>(4)$ firefox &amp;<br /></code></p></table><br> select id,article_id,topic,text from lt_articles_text where article_id =572; ok.
update lt_articles set num_reads=num_reads +1 where id=572; ok.