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How can I drop all the tables in a PostgreSQL database?
...the option drop owned by current_user.
More details in the manual: http://www.postgresql.org/docs/current/static/sql-drop-owned.html
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SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?
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Cross Join: http://www.dba-oracle.com/t_garmany_9_sql_cross_join.htm
TLDR; Generates a all possible combinations between 2 tables (Cart
Artificially create a connection timeout error
...is blocked by the firewall that simply drops TCP SYN packets. For example, www.google.com:81.
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Regular expression for a string that does not start with a sequence
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
in_array() and multidimensional array
... i ran the code but it has an error - Parse error: parse error in C:\wamp\www\000_TEST\php\php.in_array\index.php on line 21 - which is if(in_array("Irix", $value) thanks.
– laukok
Nov 8 '10 at 21:51
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How to place two divs next to each other?
...atibility might come in to play:
http://caniuse.com/#feat=flexbox
http://www.sketchingwithcss.com/samplechapter/cheatsheet.html
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Should I use single or double colon notation for pseudo-elements?
... though the rest of the selector may look reasonable in CSS 2.1.
http://www.w3.org/TR/CSS2/syndata.html#rule-sets
You could however use
.foo:after { /*styles*/ }
.foo::after { /*styles*/ }
On the other hand this is more verbose than necessary; for now, you can stick with the one-colon notatio...
How to select multiple rows filled with constants?
...com')) AS MyTable(constants)
You can also view an SQL Fiddle here: http://www.sqlfiddle.com/#!17/9eecb/34703/0
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Purpose of Python's __repr__
... readability is more important of non-ambiguity.
Refer this link: https://www.pythoncentral.io/what-is-the-difference-between-str-and-repr-in-python/
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How to replace spaces in file names using a bash script
... string.
The relevant syntax is ${parameter/pattern/string}. See: https://www.gnu.org/software/bash/manual/html_node/Shell-Parameter-Expansion.html or http://wiki.bash-hackers.org/syntax/pe .
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