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rails simple_form - hidden field - create?
... For simple_form_for, the hidden method using here is going to raise an error undefined method hidden' for #<SimpleForm::FormBuilder:0x00007ffa6cde0be8>`
– Kiry Meas
Jul 2 '18 at 17:29
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Check whether a string contains a substring
... -1 when it can't find a match instead of an undef or 0.
Thus, this is an error:
my $substring = "s1.domain.com";
if (not index($mystring, $substr)) {
print qq("$mystring" doesn't contains "$substring"\n";
}
This will be wrong if s1.domain.com is at the beginning of your string. I've person...
In Maven 2, how do I know from which dependency comes a transitive dependency?
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This didn't work for me; all I got was errors about unsupported 'legacy' values. Running @David Crow's version (i.e. without the velocity flag) worked fine though.
– Vlad Schnakovszki
Feb 28 '17 at 13:51
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How can I run a PHP script in the background after a form is submitted?
...inoisstate.edu/2049 (SCRIPT: 38.71 seconds)
[2011-01-07 11:01:34] CRITICAL ERROR: Alert Notifications NOT sent for http://alerts.illinoisstate.edu/2049 (SCRIPT: 23.12 seconds)
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Prevent ViewPager from destroying off-screen views
...thod throws : "java.lang.IllegalStateException: Fragment already added:" error for my app.
– alicanbatur
Feb 18 '14 at 14:11
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Multiple ModelAdmins/views for same model in Django admin
...need to hack around things for just 2 lines that checks that and throws an error :s. Great answer still!
– Hassek
Nov 4 '11 at 17:20
1
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Why should I use Google's CDN for jQuery?
...uldn't be dead if the author of the study had actually used a CDN ;-) The error is: [function.require]: failed to open stream: No such file or directory in /homepages/41/d222999437/htdocs/wp-content/themes/prose/functions.php
– jplandrain
Mar 25 '14 at 10:42
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How do you downgrade rubygems?
... that my ruby version needed:
rvm rubygems current
If it gives checksum errors try
rvm rubygems current --verify-downloads 1
That did the trick for me.
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Scala equivalent of Java java.lang.Class Object
...s[X]
val integerClass: Class[Integer] = new Integer(5).getClass //similar error
There is a ticket regarding the return type of getClass.
(James Moore reports that the ticket is "now", ie Nov. 2011, two years later, fixed.
In 2.9.1, getClass now does:
scala> "foo".getClass
res0: java.lan...
Get top n records for each group of grouped results
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The edit to include the ties does not work for me. I get ERROR 1242 (21000): Subquery returns more than 1 row, presumably because of the GROUP BY. When I execute the SELECT MIN subquery alone, it generates three rows: 34, 39, 112 and there it appears the second value should be 36, ...