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Migration: Cannot add foreign key constraint
... $table->engine = 'InnoDB'; is required to enforce foreign key at MySql level. The default laravel engine is MyIsam wich not support foreign keys !
– François Breton
Oct 9 '15 at 18:16
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How to generate .NET 4.0 classes from xsd?
...
2.
Within “XML Schema Explorer” scroll all the way down to find the root/data node. Right click on root/data node and it will show “Generate Sample XML”. If it does not show, it means you are not on the data element node but you are on any of the data definition node.
Copy your genera...
What is JavaScript garbage collection?
...o reference point to it
Mark-and-sweep algorithm: connect each objects to root source. any object doesn't connect to root or other object. this object will be removed.
currently most modern browsers using the second algorithm.
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Is it possible to install another version of Python to Virtualenv?
... (/usr/bin/python)
--clear Clear out the non-root install and start from scratch
--no-site-packages Don't give access to the global site-packages dir to
the virtual environment
--unzip-setuptools Unzip Setuptools or Distribute when inst...
How can I have ruby logger log output to stdout as well as file?
...can do:
# config/environment/production.rb
file_logger = Logger.new(Rails.root.join("log/alternative-output.log"))
config.logger.extend(ActiveSupport::Logger.broadcast(file_logger))
Or if you're on Rails 3, you can backport it:
# config/initializers/alternative_output_log.rb
# backported from r...
Getting rid of bullet points from
...
#menu li{
list-style-type: none;
}
<ul id="menu">
<li>Root node 1</li>
<li>Root node 2</li>
</ul>
will produce this output:
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When to use “ON UPDATE CASCADE”
...keys is a good & clean alternative to enums in my opinion (at least in MySQL DB flavors). For example, consider a table colors with rows blue, purple, yellow, and a table products with a product_color column, being FK'ed to the colors table. That restricts the choices like an enum, but unlike an...
How do you use “git --bare init” repository?
... user.email adelphus@example.com
> git commit -m "added afile"
[master (root-commit) 614ab02] added afile
1 file changed, 1 insertion(+)
create mode 100644 afile.txt
The git config commands are only needed if you haven't already told git who you are. Note that if you now run git branch, you'l...
How can I get the domain name of my site within a Django template?
....is_secure() else 'http'
return {
'site': site,
'site_root': SimpleLazyObject(lambda: "{0}://{1}".format(protocol, site.domain)),
}
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Ruby on Rails production log rotation
... used here and cause problems according to comment. And removed create 640 root adm as per comment suggested.
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