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python-cheatsheet
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Jure Šorn 3 months ago
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      README.md
  2. 14
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README.md
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@ -2046,15 +2046,15 @@ from array import array
```
```python
<array> = array('<typecode>', <coll_of_nums>) # Array from collection of numbers.
<array> = array('<typecode>', <bytes>) # Copies bytes to array's memory.
<array> = array('<typecode>', <array>) # Treats array as a sequence of numbers.
<array>.fromfile(<file>, n_items) # Appends items from the binary file.
<array> = array('<typecode>', <coll_of_nums>) # Creates array from collection of numbers.
<array> = array('<typecode>', <bytes>) # Writes passed bytes to array's memory.
<array> = array('<typecode>', <array>) # Treats passed array as a sequence of numbers.
<array>.fromfile(<file>, n_items) # Appends file's contents to array's memory.
```
```python
<bytes> = bytes(<array>) # Returns a copy of array's memory.
<file>.write(<array>) # Writes array's memory to binary file.
<file>.write(<array>) # Writes array's memory to the binary file.
```

14
index.html
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@ -55,7 +55,7 @@
<body>
<header>
<aside>November 23, 2024</aside>
<aside>November 26, 2024</aside>
<a href="https://gto76.github.io" rel="author">Jure Šorn</a>
</header>
@ -1689,13 +1689,13 @@ CompletedProcess(args=[<span class="hljs-string">'bc'</span>, <span class="hljs-
</code></pre></div>
<pre><code class="python language-python hljs">&lt;array&gt; = array(<span class="hljs-string">'&lt;typecode&gt;'</span>, &lt;coll_of_nums&gt;) <span class="hljs-comment"># Array from collection of numbers.</span>
&lt;array&gt; = array(<span class="hljs-string">'&lt;typecode&gt;'</span>, &lt;bytes&gt;) <span class="hljs-comment"># Copies bytes to array's memory.</span>
&lt;array&gt; = array(<span class="hljs-string">'&lt;typecode&gt;'</span>, &lt;array&gt;) <span class="hljs-comment"># Treats array as a sequence of numbers.</span>
&lt;array&gt;.fromfile(&lt;file&gt;, n_items) <span class="hljs-comment"># Appends items from the binary file.</span>
<pre><code class="python language-python hljs">&lt;array&gt; = array(<span class="hljs-string">'&lt;typecode&gt;'</span>, &lt;coll_of_nums&gt;) <span class="hljs-comment"># Creates array from collection of numbers.</span>
&lt;array&gt; = array(<span class="hljs-string">'&lt;typecode&gt;'</span>, &lt;bytes&gt;) <span class="hljs-comment"># Writes passed bytes to array's memory.</span>
&lt;array&gt; = array(<span class="hljs-string">'&lt;typecode&gt;'</span>, &lt;array&gt;) <span class="hljs-comment"># Treats passed array as a sequence of numbers.</span>
&lt;array&gt;.fromfile(&lt;file&gt;, n_items) <span class="hljs-comment"># Appends file's contents to array's memory.</span>
</code></pre>
<pre><code class="python language-python hljs">&lt;bytes&gt; = bytes(&lt;array&gt;) <span class="hljs-comment"># Returns a copy of array's memory.</span>
&lt;file&gt;.write(&lt;array&gt;) <span class="hljs-comment"># Writes array's memory to binary file.</span>
&lt;file&gt;.write(&lt;array&gt;) <span class="hljs-comment"># Writes array's memory to the binary file.</span>
</code></pre>
<div><h2 id="memoryview"><a href="#memoryview" name="memoryview">#</a>Memory View</h2><p><strong>A sequence object that points to the memory of another bytes-like object. Each element can reference a single or multiple consecutive bytes, depending on format. Order and number of elements can be changed with slicing.</strong></p><pre><code class="python language-python hljs">&lt;mview&gt; = memoryview(&lt;bytes/bytearray/array&gt;) <span class="hljs-comment"># Immutable if bytes is passed, else mutable.</span>
&lt;obj&gt; = &lt;mview&gt;[index] <span class="hljs-comment"># Returns int or float. Bytes if format is 'c'.</span>
@ -2923,7 +2923,7 @@ $ deactivate <span class="hljs-comment"># Deactivates the active
<footer>
<aside>November 23, 2024</aside>
<aside>November 26, 2024</aside>
<a href="https://gto76.github.io" rel="author">Jure Šorn</a>
</footer>

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