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Using python's eval() vs. ast.literal_eval()?
I have a situation with some code where eval() came up as a possible solution. Now I have never had
to use eval() before but, I have come across plenty of information about the potential
danger it can cause. That said, I'm very wary about using it.
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“Use the new keyword if hiding was intended” warning
I have a warning at the bottom of my screen:
4 Answers
4
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How do I modify a MySQL column to allow NULL?
MySQL 5.0.45
6 Answers
6
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Alter Table Add Column Syntax
I'm trying to programmatically add an identity column to a table Employees. Not sure what I'm doing wrong with my syntax.
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Difference between this and self in self-type annotations?
In various Scala literature I see some self-type annotations using "this" and others using "self":
2 Answers
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Differences between utf8 and latin1
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UTF-8 is prepared for world domination, Latin1 isn't.
If you're trying to store non-Latin characters like Chinese, Japanese, Hebrew, Russian, etc using Latin1 encoding, then they will end up as mojibake. You may find the introductory text of this articl...
Python: Using .format() on a Unicode-escaped string
I am using Python 2.6.5. My code requires the use of the "more than or equal to" sign. Here it goes:
3 Answers
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differences between 2 JUnit Assert classes
The JUnit framework contains 2 Assert classes (in different packages, obviously) and the methods on each appear to be very similar. Can anybody explain why this is?
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How do I set a column value to NULL in SQL Server Management Studio?
How do I clear the value from a cell and make it NULL?
6 Answers
6
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How do I convert an interval into a number of hours with postgres?
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Probably the easiest way is:
SELECT EXTRACT(epoch FROM my_interval)/3600
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