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execJs: 'Could not find a JavaScript runtime' but execjs AND therubyracer are in Gemfile
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347
Ubuntu Users:
I had the same problem and I fixed it by installing nodejson my system independe...
Where can I get a list of Ansible pre-defined variables?
...ks and template files. For example, the host ip address is ansible_eth0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me?
...
What's the safest way to iterate through the keys of a Perl hash?
...ng the expected resulting hash:
(a => 1, A => 2, b => 2, B => 4)
But using each() to do the same thing:
%h = (a => 1, b => 2);
keys %h;
while(my($k, $v) = each %h)
{
$h{uc $k} = $h{$k} * 2; # BAD IDEA!
}
produces incorrect results in hard-to-predict ways. For example:
(a...
Generating a random password in php
... {
$alphabet = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890';
$pass = array(); //remember to declare $pass as an array
$alphaLength = strlen($alphabet) - 1; //put the length -1 in cache
for ($i = 0; $i < 8; $i++) {
$n = rand(0, $alphaLength);
$pa...
How to get URI from an asset File?
...|
edited Jun 17 '19 at 21:41
answered Jan 27 '11 at 19:31
C...
Checking if all elements in a list are unique
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14 Answers
14
Active
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notifyDataSetChange not working from custom adapter
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tolgaptolgap
8,8631010 gold badges4141 silver badges6262 bronze badges
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How do I retrieve my MySQL username and password?
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answered Aug 7 '08 at 4:02
Xenph YanXenph Yan
73.7k1515 gold badges4545 silver badges5454 bronze badges
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What does [object Object] mean?
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54
The default conversion from an object to string is "[object Object]".
As you are dealing with j...
“/usr/bin/ld: cannot find -lz”
I am trying to compile Android source code under Ubuntu 10.04. I get an error saying,
11 Answers
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