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Named regular expression group “(?Pregexp)”: what does “P” stand for?
...ions
From: Guido van Rossum (gui...@CNRI.Reston.Va.US)
Date: Dec 10, 1997 3:36:19 pm
I have an unusual request for the Perl developers (those that develop
the Perl language). I hope this (perl5-porters) is the right list. I
am cc'ing the Python string-sig because it is the origi...
Order a MySQL table by two columns
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answered Feb 5 '09 at 7:51
truppotruppo
22.2k44 gold badges3434 silver badges4545 bronze badges
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powershell - extract file name and extension
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176
If the file is coming off the disk and as others have stated, use the BaseName and Extension p...
Write to .txt file?
...txt", "w");
if (f == NULL)
{
printf("Error opening file!\n");
exit(1);
}
/* print some text */
const char *text = "Write this to the file";
fprintf(f, "Some text: %s\n", text);
/* print integers and floats */
int i = 1;
float py = 3.1415927;
fprintf(f, "Integer: %d, float: %f\n", i, py);
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How do I select an entire row which has the largest ID in the table?
..., use @MichaelMior's answer,
SELECT row from table ORDER BY id DESC LIMIT 1
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Why does the C++ map type argument require an empty constructor when using []?
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165
This issue comes with operator[]. Quote from SGI documentation:
data_type& operator[...
How to create an array from a CSV file using PHP and the fgetcsv function
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14 Answers
14
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How exactly does a generator comprehension work?
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147
Do you understand list comprehensions? If so, a generator expression is like a list comprehens...
ManyRelatedManager object is not iterable
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106
Try
matches = [val for val in Store.attribute_answers.all() if val in WishList.attribute_answ...