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?: operator (the 'Elvis operator') in PHP
...se ?: 0); // 0
var_dump(null ?: 'foo'); // 'foo'
var_dump(true ?: 123); // true
var_dump('rock' ?: 'roll'); // 'rock'
?>
By the way, it's called the Elvis operator.
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impro...
Get list of all routes defined in the Flask app
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edited May 23 '17 at 11:47
Community♦
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answered Nov 10 '12 at 1:41
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Section vs Article HTML5
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JustinJustin
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Skip certain tables with mysqldump
...XXXXX
DATABASE=databasename
DB_FILE=dump.sql
EXCLUDED_TABLES=(
table1
table2
table3
table4
tableN
)
IGNORED_TABLES_STRING=''
for TABLE in "${EXCLUDED_TABLES[@]}"
do :
IGNORED_TABLES_STRING+=" --ignore-table=${DATABASE}.${TABLE}"
done
echo "Dump structure"
mysqldump --host=${HOST} --user=${US...
How do I get python's pprint to return a string instead of printing?
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271
The pprint module has a command named pformat, for just that purpose.
From the documentation:...
Keep the window's name fixed in tmux
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preactionpreaction
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What does template mean?
...al<0>
{
enum { value = 1 };
};
// Factorial<4>::value == 24
// Factorial<0>::value == 1
void foo()
{
int x = Factorial<4>::value; // == 24
int y = Factorial<0>::value; // == 1
}
s...
What does %w(array) mean?
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1271
%w(foo bar) is a shortcut for ["foo", "bar"]. Meaning it's a notation to write an array of str...
How do you create a hidden div that doesn't create a line break or horizontal space?
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answered Jan 2 '10 at 17:02
Christian C. SalvadóChristian C. Salvadó
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Get the client's IP address in socket.io
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edited Sep 25 '15 at 14:19
Balthazar
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