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One-line list comprehension: if-else variants
...sion you're returning for each element. Thus you need:
[ x if x%2 else x*100 for x in range(1, 10) ]
The confusion arises from the fact you're using a filter in the first example, but not in the second. In the second example you're only mapping each value to another, using a ternary-operator expr...
How to output loop.counter in python jinja template?
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390
The counter variable inside the loop is called loop.index in jinja2.
>>> from jinja2 i...
How to convert list of key-value tuples into dictionary?
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90
This gives me the same error as trying to split the list up and zip it. ValueError: dictionar...
Why does Assert.AreEqual(T obj1, Tobj2) fail with identical byte arrays
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edited Apr 28 '14 at 13:02
answered Sep 3 '09 at 18:36
tv...
How Do I Hide wpf datagrid row selector
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150
Use the RowHeaderWidth property:
<my:DataGrid RowHeaderWidth="0" AutoGenerateColumns="False"...
Curly braces in string in PHP
...echo "This is ${great}";
// Works
echo "This square is {$square->width}00 centimeters broad.";
// Works, quoted keys only work using the curly brace syntax
echo "This works: {$arr['key']}";
// Works
echo "This works: {$arr[4][3]}";
// This is wrong for the same reason as $foo[bar] is wrong...
Concatenating string and integer in python
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answered Jul 19 '12 at 10:43
user647772user647772
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Cartesian product of x and y array points into single array of 2D points
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kennytmkennytm
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Populate data table from data reader
I'm doing a basic thing in C# (MS VS2008) and have a question more about proper design than specific code.
5 Answers
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How do you calculate the average of a set of circular data? [closed]
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102
Compute unit vectors from the angles and take the angle of their average.
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