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How do I execute a string containing Python code in Python?
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For statements, use exec(string) (Python 2/3) or exec string (Python 2):
>>> mycode = 'print "hello world"'
>>> exec(mycode)
Hello world
When you need the value of an expression, use eval(string):
>>> x = eval("2+2")
>>> x
4
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Html table tr inside td
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edited Sep 22 '16 at 14:09
answered Jun 13 '13 at 13:57
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How can I change the default width of a Twitter Bootstrap modal box?
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32 Answers
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What is the best way to conditionally apply attributes in AngularJS?
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I am using the following to conditionally set the class attr when ng-class can't be used (for ...
How to get everything after last slash in a URL?
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248
You don't need fancy things, just see the string methods in the standard library and you can e...
How to round an image with Glide library?
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22 Answers
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How do I quickly rename a MySQL database (change schema name)?
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What is the difference between __init__ and __call__?
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class Foo:
def __init__(self, a, b, c):
# ...
x = Foo(1, 2, 3) # __init__
The second implements function call operator.
class Foo:
def __call__(self, a, b, c):
# ...
x = Foo()
x(1, 2, 3) # __call__
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Why doesn't print work in a lambda?
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A lambda's body has to be a single expression. In Python 2.x, print is a statement. However, in Python 3, print is a function (and a function application is an expression, so it will work in a lambda). You can (and should, for forward compatibility :) use the back-ported print func...
Generating a UUID in Postgres for Insert statement?
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edited Jan 27 '17 at 11:35
rightfold
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