richard
/
python-cheatsheet
mirror of https://github.com/gto76/python-cheatsheet.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Iterator, Datetime

pull/125/merge
Jure Šorn 3 years ago
parent
e78169d34b
commit
271fe2a0f8
2 changed files with 6 additions and 6 deletions
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 4
      README.md
  2. 8
      index.html

4
README.md
View File

@ -211,7 +211,7 @@ from itertools import count, repeat, cycle, chain, islice
```
```python
<iter> = chain(<coll_1>, <coll_2> [, ...]) # Empties collections in order.
<iter> = chain(<coll_1>, <coll_2> [, ...]) # Empties collections in order (figuratively).
<iter> = chain.from_iterable(<collection>) # Empties collections inside a collection in order.
```
@ -657,7 +657,7 @@ from dateutil.tz import UTC, tzlocal, gettz, datetime_exists, resolve_imaginary
<D/DT> = <D/DT> ± <TD> # Returned datetime can fall into missing hour.
<TD> = <D/DTn> - <D/DTn> # Returns the difference, ignoring time jumps.
<TD> = <DTa> - <DTa> # Ignores time jumps if they share tzinfo object.
<TD> = <TD> * <real> # Also: <TD> = abs(<TD>) and <TD> = <TD> ±% <TD>
<TD> = <TD> * <real> # Also: <TD> = abs(<TD>) and <TD> = <TD> ±% <TD>.
<float> = <TD> / <TD> # How many weeks/years there are in TD. Also '//'.
```

8
index.html
View File

@ -54,7 +54,7 @@
<body>
<header>
<aside>March 8, 2022</aside>
<aside>March 12, 2022</aside>
<a href="https://gto76.github.io" rel="author">Jure Šorn</a>
</header>
@ -228,7 +228,7 @@ to_exclusive = &lt;range&gt;.stop
&lt;iter&gt; = repeat(&lt;el&gt; [, times]) <span class="hljs-comment"># Returns element endlessly or 'times' times.</span>
&lt;iter&gt; = cycle(&lt;collection&gt;) <span class="hljs-comment"># Repeats the sequence endlessly.</span>
</code></pre>
<pre><code class="python language-python hljs">&lt;iter&gt; = chain(&lt;coll_1&gt;, &lt;coll_2&gt; [, ...]) <span class="hljs-comment"># Empties collections in order.</span>
<pre><code class="python language-python hljs">&lt;iter&gt; = chain(&lt;coll_1&gt;, &lt;coll_2&gt; [, ...]) <span class="hljs-comment"># Empties collections in order (figuratively).</span>
&lt;iter&gt; = chain.from_iterable(&lt;collection&gt;) <span class="hljs-comment"># Empties collections inside a collection in order.</span>
</code></pre>
<pre><code class="python language-python hljs">&lt;iter&gt; = islice(&lt;coll&gt;, to_exclusive) <span class="hljs-comment"># Only returns first 'to_exclusive' elements.</span>
@ -583,7 +583,7 @@ to_exclusive = &lt;range&gt;.stop
<div><h3 id="arithmetics">Arithmetics</h3><pre><code class="python language-python apache hljs">&lt;D/DT&gt; = &lt;D/DT&gt; ± &lt;TD&gt; <span class="hljs-comment"># Returned datetime can fall into missing hour.</span>
&lt;TD&gt; = &lt;D/DTn&gt; - &lt;D/DTn&gt; <span class="hljs-comment"># Returns the difference, ignoring time jumps.</span>
&lt;TD&gt; = &lt;DTa&gt; - &lt;DTa&gt; <span class="hljs-comment"># Ignores time jumps if they share tzinfo object.</span>
&lt;TD&gt; = &lt;TD&gt; * &lt;real&gt; <span class="hljs-comment"># Also: &lt;TD&gt; = abs(&lt;TD&gt;) and &lt;TD&gt; = &lt;TD&gt; ±% &lt;TD&gt;</span>
&lt;TD&gt; = &lt;TD&gt; * &lt;real&gt; <span class="hljs-comment"># Also: &lt;TD&gt; = abs(&lt;TD&gt;) and &lt;TD&gt; = &lt;TD&gt; ±% &lt;TD&gt;.</span>
&lt;float&gt; = &lt;TD&gt; / &lt;TD&gt; <span class="hljs-comment"># How many weeks/years there are in TD. Also '//'.</span>
</code></pre></div>
@ -2885,7 +2885,7 @@ $ pyinstaller script.py --add-data '&lt;path&gt;:.' <span class="hljs-comment">
<footer>
<aside>March 8, 2022</aside>
<aside>March 12, 2022</aside>
<a href="https://gto76.github.io" rel="author">Jure Šorn</a>
</footer>

Write Preview
Loading…
Cancel
Save