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    <title>Bug on Ben&#39;s Blog</title>
    <link>https://jinpeng.cv/en/tags/bug/</link>
    <description>Recent content in Bug on Ben&#39;s Blog</description>
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    <item>
      <title>Debug | Emoji cheat sheet</title>
      <link>https://jinpeng.cv/en/posts/note/code/emoji-cheat-sheet/</link>
      <pubDate>Sat, 16 Mar 2024 23:10:53 +0800</pubDate>
      <guid>https://jinpeng.cv/en/posts/note/code/emoji-cheat-sheet/</guid>
      <description>&lt;p&gt;This front matter is not work&lt;/p&gt;
&lt;div class=&#34;highlight&#34;&gt;&lt;div class=&#34;chroma&#34;&gt;
&lt;table class=&#34;lntable&#34;&gt;&lt;tr&gt;&lt;td class=&#34;lntd&#34;&gt;
&lt;pre tabindex=&#34;0&#34; class=&#34;chroma&#34;&gt;&lt;code&gt;&lt;span class=&#34;lnt&#34;&gt;1
&lt;/span&gt;&lt;span class=&#34;lnt&#34;&gt;2
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&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;
&lt;td class=&#34;lntd&#34;&gt;
&lt;pre tabindex=&#34;0&#34; class=&#34;chroma&#34;&gt;&lt;code class=&#34;language-fallback&#34; data-lang=&#34;fallback&#34;&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;title: &amp;#39;Emoji cheat sheet&amp;#39;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;date: 2024-03-16T23:39:55+08:00
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;draft: false
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;series: [emoji]
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;categories: [cheatsheet]
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;tags: [markdown, emoji]
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;language: en
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
&lt;/div&gt;
&lt;/div&gt;&lt;p&gt;This front matter is work&lt;/p&gt;
&lt;div class=&#34;highlight&#34;&gt;&lt;div class=&#34;chroma&#34;&gt;
&lt;table class=&#34;lntable&#34;&gt;&lt;tr&gt;&lt;td class=&#34;lntd&#34;&gt;
&lt;pre tabindex=&#34;0&#34; class=&#34;chroma&#34;&gt;&lt;code&gt;&lt;span class=&#34;lnt&#34;&gt;1
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&lt;/span&gt;&lt;span class=&#34;lnt&#34;&gt;3
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&lt;/span&gt;&lt;span class=&#34;lnt&#34;&gt;7
&lt;/span&gt;&lt;span class=&#34;lnt&#34;&gt;8
&lt;/span&gt;&lt;span class=&#34;lnt&#34;&gt;9
&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;
&lt;td class=&#34;lntd&#34;&gt;
&lt;pre tabindex=&#34;0&#34; class=&#34;chroma&#34;&gt;&lt;code class=&#34;language-fallback&#34; data-lang=&#34;fallback&#34;&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;title: &amp;#39;Emoji Sheet&amp;#39;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;date: 2024-03-16T23:10:53+08:00
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;draft: false
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;series: [emoji]
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;categories: [cheatsheet]
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;tags: [markdown, emoji]
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;language: en
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;math: false
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&lt;/div&gt;
&lt;/div&gt;</description>
      <content:encoded><![CDATA[<p>This front matter is not work</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
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<pre tabindex="0" class="chroma"><code class="language-fallback" data-lang="fallback"><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl">title: &#39;Emoji cheat sheet&#39;
</span></span><span class="line"><span class="cl">date: 2024-03-16T23:39:55+08:00
</span></span><span class="line"><span class="cl">draft: false
</span></span><span class="line"><span class="cl">series: [emoji]
</span></span><span class="line"><span class="cl">categories: [cheatsheet]
</span></span><span class="line"><span class="cl">tags: [markdown, emoji]
</span></span><span class="line"><span class="cl">language: en
</span></span></code></pre></td></tr></table>
</div>
</div><p>This front matter is work</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
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<pre tabindex="0" class="chroma"><code class="language-fallback" data-lang="fallback"><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl">title: &#39;Emoji Sheet&#39;
</span></span><span class="line"><span class="cl">date: 2024-03-16T23:10:53+08:00
</span></span><span class="line"><span class="cl">draft: false
</span></span><span class="line"><span class="cl">series: [emoji]
</span></span><span class="line"><span class="cl">categories: [cheatsheet]
</span></span><span class="line"><span class="cl">tags: [markdown, emoji]
</span></span><span class="line"><span class="cl">language: en
</span></span><span class="line"><span class="cl">math: false
</span></span></code></pre></td></tr></table>
</div>
</div>]]></content:encoded>
    </item>
    <item>
      <title>PHP中数据库插入错误</title>
      <link>https://jinpeng.cv/en/posts/typecho/29/</link>
      <pubDate>Tue, 08 Mar 2022 19:59:40 +0000</pubDate>
      <guid>https://jinpeng.cv/en/posts/typecho/29/</guid>
      <description>&lt;p&gt;在php中数据库插入错误，一般是sql语句中参数不正确，或者参数对应的类型不正确。&lt;/p&gt;
&lt;div class=&#34;highlight&#34;&gt;&lt;div class=&#34;chroma&#34;&gt;
&lt;table class=&#34;lntable&#34;&gt;&lt;tr&gt;&lt;td class=&#34;lntd&#34;&gt;
&lt;pre tabindex=&#34;0&#34; class=&#34;chroma&#34;&gt;&lt;code&gt;&lt;span class=&#34;lnt&#34;&gt;1
&lt;/span&gt;&lt;span class=&#34;lnt&#34;&gt;2
&lt;/span&gt;&lt;span class=&#34;lnt&#34;&gt;3
&lt;/span&gt;&lt;span class=&#34;lnt&#34;&gt;4
&lt;/span&gt;&lt;span class=&#34;lnt&#34;&gt;5
&lt;/span&gt;&lt;span class=&#34;lnt&#34;&gt;6
&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;
&lt;td class=&#34;lntd&#34;&gt;
&lt;pre tabindex=&#34;0&#34; class=&#34;chroma&#34;&gt;&lt;code class=&#34;language-php&#34; data-lang=&#34;php&#34;&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;&lt;span class=&#34;nv&#34;&gt;$sql&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;s2&#34;&gt;&amp;#34;INSERT INTO SensorData (id, sensor, coords, value1, value2, value3) VALUES (&amp;#39;&lt;/span&gt;&lt;span class=&#34;si&#34;&gt;$id&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#39;,&amp;#39;&lt;/span&gt;&lt;span class=&#34;si&#34;&gt;$sensor&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#39;, &amp;#39;&lt;/span&gt;&lt;span class=&#34;si&#34;&gt;$coords&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#39;, &amp;#39;&lt;/span&gt;&lt;span class=&#34;si&#34;&gt;$value1&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#39;, &amp;#39;&lt;/span&gt;&lt;span class=&#34;si&#34;&gt;$value2&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#39;, &amp;#39;&lt;/span&gt;&lt;span class=&#34;si&#34;&gt;$value3&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#39;)&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;&lt;span class=&#34;k&#34;&gt;if&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nv&#34;&gt;$conn&lt;/span&gt;&lt;span class=&#34;o&#34;&gt;-&amp;gt;&lt;/span&gt;&lt;span class=&#34;na&#34;&gt;query&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nv&#34;&gt;$sql&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;===&lt;/span&gt; &lt;span class=&#34;k&#34;&gt;TRUE&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;{&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;    &lt;span class=&#34;k&#34;&gt;echo&lt;/span&gt; &lt;span class=&#34;s2&#34;&gt;&amp;#34;New record created successfully&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;&lt;span class=&#34;p&#34;&gt;}&lt;/span&gt; &lt;span class=&#34;k&#34;&gt;else&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;{&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;    &lt;span class=&#34;k&#34;&gt;echo&lt;/span&gt; &lt;span class=&#34;s2&#34;&gt;&amp;#34;Error: &amp;#34;&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;.&lt;/span&gt; &lt;span class=&#34;nv&#34;&gt;$sql&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;.&lt;/span&gt; &lt;span class=&#34;s2&#34;&gt;&amp;#34;&amp;lt;br&amp;gt;&amp;#34;&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;.&lt;/span&gt; &lt;span class=&#34;nv&#34;&gt;$conn&lt;/span&gt;&lt;span class=&#34;o&#34;&gt;-&amp;gt;&lt;/span&gt;&lt;span class=&#34;na&#34;&gt;error&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;&lt;span class=&#34;p&#34;&gt;}&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
&lt;/div&gt;
&lt;/div&gt;&lt;p&gt;另外在使用dht传感器的过程中，出现ETIMEOUT错误，一般是引脚插错，重新检查换用其他引脚，我这个板子目前只有1号引脚可以正常使用。&lt;br&gt;
&lt;img alt=&#34;2022-03-08T11:59:16.png&#34; loading=&#34;lazy&#34; src=&#34;http://42.192.117.142/usr/uploads/2022/03/2857179748.png&#34;&gt;&lt;/p&gt;</description>
      <content:encoded><![CDATA[<p>在php中数据库插入错误，一般是sql语句中参数不正确，或者参数对应的类型不正确。</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span><span class="lnt">2
</span><span class="lnt">3
</span><span class="lnt">4
</span><span class="lnt">5
</span><span class="lnt">6
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-php" data-lang="php"><span class="line"><span class="cl"><span class="nv">$sql</span> <span class="o">=</span> <span class="s2">&#34;INSERT INTO SensorData (id, sensor, coords, value1, value2, value3) VALUES (&#39;</span><span class="si">$id</span><span class="s2">&#39;,&#39;</span><span class="si">$sensor</span><span class="s2">&#39;, &#39;</span><span class="si">$coords</span><span class="s2">&#39;, &#39;</span><span class="si">$value1</span><span class="s2">&#39;, &#39;</span><span class="si">$value2</span><span class="s2">&#39;, &#39;</span><span class="si">$value3</span><span class="s2">&#39;)&#34;</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="k">if</span> <span class="p">(</span><span class="nv">$conn</span><span class="o">-&gt;</span><span class="na">query</span><span class="p">(</span><span class="nv">$sql</span><span class="p">)</span> <span class="o">===</span> <span class="k">TRUE</span><span class="p">)</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl">    <span class="k">echo</span> <span class="s2">&#34;New record created successfully&#34;</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl">    <span class="k">echo</span> <span class="s2">&#34;Error: &#34;</span> <span class="o">.</span> <span class="nv">$sql</span> <span class="o">.</span> <span class="s2">&#34;&lt;br&gt;&#34;</span> <span class="o">.</span> <span class="nv">$conn</span><span class="o">-&gt;</span><span class="na">error</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="p">}</span>
</span></span></code></pre></td></tr></table>
</div>
</div><p>另外在使用dht传感器的过程中，出现ETIMEOUT错误，一般是引脚插错，重新检查换用其他引脚，我这个板子目前只有1号引脚可以正常使用。<br>
<img alt="2022-03-08T11:59:16.png" loading="lazy" src="http://42.192.117.142/usr/uploads/2022/03/2857179748.png"></p>
]]></content:encoded>
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