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Postgresql - change the size of a varchar column to lower length
...ts columns is a varchar(255) and I would like to resize it to a varchar(40) .
Basically, I would like to change my column by running the following command:
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How to create a HashMap with two keys (Key-Pair, Value)?
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asherbar
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answered Feb 3 '13 at 22:25
Tomasz NurkiewiczTo...
Regular expression to match a line that doesn't contain a word
...┬──┬───┬──┐
S = │e1│ A │e2│ B │e3│ h │e4│ e │e5│ d │e6│ e │e7│ C │e8│ D │e9│
└──┴───┴──┴───┴──┴───┴──┴───┴──┴───┴──┴───┴──┴───┴──┴...
Convert a negative number to a positive one in JavaScript
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742
You could use this...
Math.abs(x)
Math.abs() | MDN
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Good open source django project for learning [closed]
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94
A great resource is www.djangopackages.com, which lists a lot of the notable Django apps out the...
Finding three elements in an array whose sum is closest to a given number
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edited Mar 18 '14 at 19:11
answered Jan 15 '10 at 9:23
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How can I set the color of a selected row in DataGrid
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edited Apr 2 '14 at 21:41
Developer
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Android Fragment lifecycle over orientation changes
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GraemeGraeme
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Append value to empty vector in R?
...appending for larger vectors.
set.seed(21)
values <- sample(letters, 1e4, TRUE)
vector <- character(0)
# slow
system.time( for (i in 1:length(values)) vector[i] <- values[i] )
# user system elapsed
# 0.340 0.000 0.343
vector <- character(length(values))
# fast(er)
system.time(...
Populating a database in a Laravel migration file
... $table->string('email', 255);
$table->string('password', 64);
$table->boolean('verified');
$table->string('token', 255);
$table->timestamps();
});
// Insert some stuff
DB::table('users')->insert(
array(
'email' =&g...