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PostgreSQL: Difference between text and varchar (character varying)
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792
There is no difference, under the hood it's all varlena (variable length array).
Check this art...
What is the rationale for all comparisons returning false for IEEE754 NaN values?
...wever, there is a similar property that does hold. Clause 5.11, paragraph 2 of the 754-2008 standard:
Four mutually exclusive relations are possible: less than, equal, greater than, and unordered. The last case arises when at least one operand is NaN. Every NaN shall compare unordered with ever...
pythonw.exe or python.exe?
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edited Nov 13 '19 at 11:25
Sen Jacob
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answered ...
how to get the last character of a string?
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12 Answers
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How to re-raise an exception in nested try/except blocks?
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132
As of Python 3 the traceback is stored in the exception, so a simple raise e will do the (mostly...
Select statement to find duplicates on certain fields
...lds for which there are multiple records, you can use..
select field1,field2,field3, count(*)
from table_name
group by field1,field2,field3
having count(*) > 1
Check this link for more information on how to delete the rows.
http://support.microsoft.com/kb/139444
There should be a criterion...
How to create a function in a cshtml template?
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283
You can use the @helper Razor directive:
@helper WelcomeMessage(string username)
{
<p&...
Explicitly set Id with Doctrine when using “AUTO” strategy
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answered Aug 22 '12 at 21:25
nicolasbuinicolasbui
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How can you determine a point is between two other points on a line segment?
Let's say you have a two dimensional plane with 2 points (called a and b) on it represented by an x integer and a y integer for each point.
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