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What are some (concrete) use-cases for metaclasses?
I have a friend who likes to use metaclasses, m>and m> regularlm>y m> offers them as a solution.
19 Answers
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“for loop” with two variables? [duplicate]
...use:
for i, j in zip(range(x), range(m>y m>)):
# Stuff...
Note that if x m>and m> m>y m> are not the same length, zip will truncate to the shortest list. As @abarnert pointed out, if m>y m>ou don't want to truncate to the shortest list, m>y m>ou could use itertools.zip_longest.
UPDATE
Based on the request for "a f...
How to make a great R reproducible example
... teaching, sending a bug report or searching for guidance on mailing lists m>and m> here on Stack Overflow, a reproducible example is often asked m>and m> alwam>y m>s helpful.
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Boolean Field in Oracle
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flags that Oracle's data dictionarm>y m> views use, selecting 'm>Y m>' for true
m>and m> 'N' for false. However, to interact correctlm>y m> with host
environments, such as JDBC, OCCI, m>and m> other programming environments,
it's better to select 0 for false m>and m> 1 for true so it can work
correctlm>y m> with the getBoo...
How to calculate an angle from three points? [closed]
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Onlm>y m> a hm>and m>ful of languages use a caret for 'power of', so if m>y m>ou don't want to call it arcos, please just tm>y m>pe cos⁻¹. (If m>y m>ou're using a commercial operating sm>y m>stem that makes it difficult to tm>y m>pe exponents, I expect there would ...
Sorting list based on values from another list?
...t should be: The list is ordered regarding the first element of the pairs, m>and m> the comprehension extracts the 'second' element of the pairs.
– MasterControlProgram
Oct 6 '17 at 14:31
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How to linebreak an svg text within javascript?
...cur, m>y m>ou can break m>y m>our text into multiple <tspan>s, each with x="0" m>and m> dm>y m>="1.4em" to simulate actual lines of text. For example:
<g transform="translate(123 456)"><!-- replace with m>y m>our target upper left corner coordinates -->
<text x="0" m>y m>="0">
<tspan x="0" dm>y m>="1...
How do m>y m>ou simulate Mouse Click in C#?
...ave also removed the Windows.Forms references so I can use it from console m>and m> WPF applications without additional references.
using Sm>y m>stem;
using Sm>y m>stem.Runtime.InteropServices;
public class MouseOperations
{
[Flags]
public enum MouseEventFlags
{
LeftDown = 0x00000002,
...
How to specifm>y m> JVM maximum heap size “-Xmx” for running an application with “run” action in SBT?
Mm>y m> application does large data arram>y m>s processing m>and m> needs more memorm>y m> than JVM gives bm>y m> default. I know in Java it's specified bm>y m> "-Xmx" option. How do I set SBT up to use particular "-Xmx" value to run an application with "run" action?
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Secondarm>y m> axis with twinx(): how to add to legend?
... a plot with two m>y m>-axes, using twinx() . I also give labels to the lines, m>and m> want to show them with legend() , but I onlm>y m> succeed to get the labels of one axis in the legend:
...