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Get the last inserted row ID (with SQL statement) [duplicate]
... row (similar to behavior of an update statement that updates a single row based on input of multiple joined rows).
– BVernon
Jan 6 '19 at 22:56
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AWK: Access captured group from line pattern
...is something I need all the time so I created a bash function for it. It's based on glenn jackman's answer.
Definition
Add this to your .bash_profile etc.
function regex { gawk 'match($0,/'$1'/, ary) {print ary['${2:-'0'}']}'; }
Usage
Capture regex for each line in file
$ cat filename | regex...
How to throw a C++ exception
...is is also relevant if the caught objects were "normal" object like: class Base{}; and class Derived : public Base {}...
5) g++ 7.3.0 on Ubuntu 18.04.1 produces a warning that indicates the mentioned issue:
In function ‘void illustrateDerivedExceptionCatch()’:
item12Linux.cpp:48:2: warnin...
What is the difference between an ordered and a sorted collection?
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An ordered collection maintains the order of the elements based on the sequence you put stuff into/remove them from the collection.
A sorted collection keeps the elements sorted based on a sort criteria.
sh...
How can I have Github on my own server?
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RhodeCode currently is not mostly mercurial based, git vs mercurial functionality is now 1:1
– marcinkuzminski
Jan 10 '14 at 18:17
2
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New line in text area
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@LittleAlien jsfiddle.net/v0y3xvpx/1 - answer based on the OP question, obviously problem was solved
– Bakudan
Sep 26 '16 at 9:33
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SQL error “ORA-01722: invalid number”
... to a number, and the spaces that delimit it are throwing this error. But based on the information you've given us, it could be happening on any field (other than the first one).
share
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improve th...
deny direct access to a folder and file by htaccess
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This is pure mod_rewrite based solution:
RewriteRule ^(includes/|submit\.php) - [F,L,NC]
This will show forbidden error to use if URI contains either /includes/ or /submit.php
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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
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Simplest solution:
To drop duplicates based on one column:
df = df.drop_duplicates('column_name', keep='last')
To drop duplicates based on multiple columns:
df = df.drop_duplicates(['col_name1','col_name2','col_name3'], keep='last')
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Display filename before matching line
... search.
-n, --line-number
Prefix each line of output with the 1-based line number within its
input file. (-n is
specified by POSIX.)
-H is a GNU extension, but -n is specified by POSIX
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