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Ruby on Rails generates model field:type - what are the options for field:type?
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http://guides.rubyonrails.org should be a good site if you're trying to get through the basic stuff in Ruby on Rails.
Here is a link to associate models while you generate them:
http://guides.rubyonrails.org/getting_started.html#associating-models
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Convert a bitmap into a byte array
...n saving to memory or disk.
Source: http://www.vcskicks.com/image-to-byte.php
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How can I style even and odd elements?
...ehaviour is just 'supportive'. It does not prevent the user from using the site nor from finding information. It doesn't even (most likely not) spoil the overall appearance of the website.
– Hafenkranich
Apr 19 '16 at 19:47
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How to programmatically empty browser cache?
...s ctime, (or mtime), you can just add said time behind it. For instance in php, myfile.js?v=<?=filectime('myfile.js');?>, and there you've got yourself an auto updating cache for your resources.
– Pierre-Antoine Guillaume
Jan 2 '18 at 9:21
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Parsing HTML using Python
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I recommend lxml for parsing HTML. See "Parsing HTML" (on the lxml site).
In my experience Beautiful Soup messes up on some complex HTML. I believe that is because Beautiful Soup is not a parser, rather a very good string analyzer.
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How to recursively find and list the latest modified files in a directory with subdirectories and ti
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I solved this using PHP instead. A recursive function that descends through the filesystem tree and stores the time of the most recently modified file.
– fredrik
Apr 19 '11 at 11:33
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What's the simplest way to subtract a month from a date in Python?
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PHP handles that by adding 2 days to Feb 28th, and it goes to March 2nd. There're conventions for this, let me find them real quick
– NullUserException
Aug 6 '10 at 15:15
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How do I do a multi-line string in node.js?
...offeescript. :P But, I'm definitely a fan of the ''' string block! Or... PHP heredoc syntax.
– BMiner
Jul 13 '11 at 18:25
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How do you Force Garbage Collection from the Shell?
...ration returns:
null
$>quit
#bye
Look at the docs on the jmxterm web site for information about embedding this in bash/perl/ruby/other scripts. I've used popen2 in Python or open3 in Perl to do this.
UPDATE: here's a one-liner using jmxterm:
echo run -b java.lang:type=Memory gc | java -jar j...
jQuery: Best practice to populate drop down?
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I found this to be working from jquery site
$.getJSON( "/Admin/GetFolderList/", function( data ) {
var options = $("#dropdownID");
$.each( data, function(key, val) {
options.append(new Option(key, val));
});
});
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