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Server is already running in Rails
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edited Oct 29 '19 at 16:40
answered Feb 25 '13 at 17:34
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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...
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
1,86011 gold badge1212 silver badges55 bronze badges
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Can I position an element fixed relative to parent? [duplicate]
...ntDiv { position:relative; }
#childDiv { position:absolute; left:50px; top:20px; }
This will position childDiv element 50 pixels left and 20 pixels down relative to parentDiv's position.
To position an element "fixed" relative to the window, you want position:fixed, and can use top:, left:, rig...
How do I catch a PHP fatal (`E_ERROR`) error?
...og fatal errors using the register_shutdown_function, which requires PHP 5.2+:
register_shutdown_function( "fatal_handler" );
function fatal_handler() {
$errfile = "unknown file";
$errstr = "shutdown";
$errno = E_CORE_ERROR;
$errline = 0;
$error = error_get_last();
if(...
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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