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PostgreSQL function for last inserted ID
In PostgreSQL, how do I get the last id inserted into a table?
10 Answers
10
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In SQL Server, when should you use GO and when should you use semi-colon ;?
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GO only relates to SSMS - it isn't actual Transact SQL, it just tells SSMS to send the SQL statements between each GO in individual batches sequentially.
The ; is a SQL statement delimiter, but for the most part the engine can interpret whe...
How can I erase all inline styles with javascript and leave only the styles specified in the css sty
...r('style', '');
or
$('div').removeAttr('style'); (From Andres's Answer)
To make this a little smaller, try this:
$('div[style]').removeAttr('style');
This should speed it up a little because it checks that the divs have the style attribute.
Either way, this might take a little while to process...
How do I get the size of a java.sql.ResultSet?
...tead.
OR
int size =0;
if (rs != null)
{
rs.last(); // moves cursor to the last row
size = rs.getRow(); // get row id
}
In either of the case, you won't have to loop over the entire data.
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How to retrieve a user environment variable in CMake (Windows)
I know how to retrieve a normal machine wide environment variable in CMAKE using
4 Answers
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get list from pandas dataframe column
...olumns are Pandas Series when you pull them out, which you can then call x.tolist() on to turn them into a Python list. Alternatively you cast it with list(x).
import pandas as pd
data_dict = {'one': pd.Series([1, 2, 3], index=['a', 'b', 'c']),
'two': pd.Series([1, 2, 3, 4], index=['a'...
How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]
In unmanaged C/C++ code, what are the best practices to detect memory leaks? And coding guidelines to avoid? (As if it's that simple ;)
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A python class that acts like dict
I want to write a custom class that behaves like dict - so, I am inheriting from dict .
9 Answers
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How do I prevent the modification of a private field in a class?
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I would like to remind people that although this has been voted the correct answer to the question, the best solution to the problem is actually as sp00m says - to return an Unmodifiable List.
– OldCurmudgeon
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Remove all line breaks from a long string of text
Basically, I'm asking the user to input a string of text into the console, but the string is very long and includes many line breaks. How would I take the user's string and delete all line breaks to make it a single line of text. My method for acquiring the string is very simple.
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