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Difference between var_dump,var_export & print_r
...(4) {
[0]=> string(0) ""
[1]=> bool(false)
[2]=> int(42)
[3]=> array(1) {[0]=>string(2) "42")}
}
print_r is for debugging purposes, too, but does not include the member's type. It's a good idea to use if you know the types of elements in your array, but can be misleading oth...
Remap values in pandas column with a dict
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373
You can use .replace. For example:
>>> df = pd.DataFrame({'col2': {0: 'a', 1: 2, 2:...
Linux bash: Multiple variable assignment
...First thing that comes into my mind:
read -r a b c <<<$(echo 1 2 3) ; echo "$a|$b|$c"
output is, unsurprisingly
1|2|3
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How to use sessions in an ASP.NET MVC 4 application?
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answered Jan 3 '13 at 12:34
Jobert EnamnoJobert Enamno
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Best way to pretty print a hash
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answered Jan 12 '12 at 21:35
PhrogzPhrogz
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Immutable array in Java
...st<Integer> items = Collections.unmodifiableList(Arrays.asList(0,1,2,3));
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curl json post request via terminal to a rails app
...rstname","last_name":"lastname","email":"email@email.com","password":"app123","password_confirmation":"app123"}}' \
http://localhost:3000/api/1/users
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How to set selected value of jquery select2?
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63
To dynamically set the "selected" value of a Select2 component:
$('#inputID').select2('data', {...
List of all index & index columns in SQL Server DB
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30 Answers
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How do I delete a fixed number of rows with sorting in PostgreSQL?
... running?
– Whatsit
Mar 2 '11 at 20:35
2
Incremental VACUUMs won't change ctids, I don't think. S...