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What does rake db:test:prepare actually do?
...tions and,
load the test schema
That is, it will look your db/schema.rb file to determine if any migrations that exist in your project that have not been run. Assuming there are no outstanding migrations, it will then empty the database and reload it based on the contents of the db/schema.rb file...
EXC_BAD_ACCESS signal received
...now use Instruments to debug Leaks. From Xcode 4.2, choose Product->Profile and when Instruments launches, choose "Zombies".
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What is a magic number, and why is it bad? [closed]
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A magic number is a sequence of characters at the start of a file format, or protocol exchange. This number serves as a sanity check.
Example:
Open up any GIF file, you will see at the very start: GIF89. "GIF89" being the magic number.
Other programs can read the first few characte...
Can constructors be async?
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Your problem is comparable to the creation of a file object and opening the file. In fact there are a lot of classes where you have to perform two steps before you can actually use the object: create + Initialize (often called something similar to Open).
The advantage of ...
npm throws error without sudo
...chmod -R whoami' on /usr/local/lib or /usr/lib/ you will ruin your sudoers file and you will hate yourself.
– qodeninja
Mar 10 '15 at 1:02
8
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How to configure git push to automatically set upstream without -u?
...odes, so it's probably easiest to use an editor to insert into the correct file ($HOME/.gitconfig (global), .git/config (local), or /etc/gitconfig (system) )
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Run task only if host does not belong to a group
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You can set a control variable in vars files located in group_vars/ or directly in hosts file like this:
[vagrant:vars]
test_var=true
[location-1]
192.168.33.10 hostname=apollo
[location-2]
192.168.33.20 hostname=zeus
[vagrant:children]
location-1
location-2
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Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures
... all around.
Consider most operating systems - when you attempt to read a file you don't have permission to access, you aren't shown a login screen!
Thankfully, the HTTP specifications were updated (June 2014) to remove the ambiguity.
From "Hyper Text Transport Protocol (HTTP/1.1): Authenticati...
How can I get Express to output nicely formatted HTML?
...n my case I didn't have the 'env' var set. You can add it to the main .js file with this one line : process.env.NODE_ENV = 'development';
– Gene Bo
Jun 1 '15 at 17:21
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Requests — how to tell if you're getting a 404
...4')
>>> r.raise_for_status()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "requests/models.py", line 664, in raise_for_status
raise http_error
requests.exceptions.HTTPError: 404 Client Error: NOT FOUND
>>> r = requests.get('http://...