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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...d because it is private.
Edit: construct_finder_sql was removed in Rails 5.1.0.beta1.
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How to generate keyboard events in Python?
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+50
It can be done using ctypes:
import ctypes
from ctypes import wintypes
import time
user32 = ctypes.WinDLL('user32', use_last_error=...
Easy way to test a URL for 404 in PHP?
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15 Answers
15
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PostgreSQL Autoincrement
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Nux
6,49355 gold badges4444 silver badges5858 bronze badges
answered Apr 24 '09 at 22:16
TreyTrey
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Remove an element from a Bash array
... dimo414
40.6k1616 gold badges121121 silver badges205205 bronze badges
answered May 31 '13 at 16:33
chepnerchepner
357k4646 gold b...
while (1) Vs. for (;;) Is there a speed difference?
...> lineseq vK ->9
4 <;> nextstate(main 1 -e:1) v ->5
7 <@> print vK ->8
5 <0> pushmark s ->6
6 <$> const[PV "foo\n"] s ->7
8 <0> unstack v ->4
-e syntax OK
$ perl -MO=Concise -e 'while(1) { pri...
Build tree array from flat array in javascript
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165
There is an efficient solution if you use a map-lookup. If the parents always come before their ...
How to sort an array of associative arrays by value of a given key in PHP?
...row['price'];
}
array_multisort($price, SORT_DESC, $inventory);
As of PHP 5.5.0 you can use array_column() instead of that foreach:
$price = array_column($inventory, 'price');
array_multisort($price, SORT_DESC, $inventory);
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How to find an available port?
...uld be used like so:
try {
ServerSocket s = create(new int[] { 3843, 4584, 4843 });
System.out.println("listening on port: " + s.getLocalPort());
} catch (IOException ex) {
System.err.println("no available ports");
}
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How to fix Array indexOf() in JavaScript for Internet Explorer browsers
...stions/1744310/…
– gordon
Nov 6 '15 at 21:49
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