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Forward host port to docker container
...ess or host name to connect to, just a port.
For example, you can test it out by running the following command, which assumes your image is called my_image, your image includes the telnet utility, and the service you want to connect to is on port 25:
docker run --rm -i -t --net=host my_image teln...
Defining a HTML template to append using JQuery
... "using jQuery", I thought I'd provide an option that lets you do this without introducing any vendor dependency.
While there are a lot of templating engines out there, many of their features have fallen in to disfavour recently, with iteration (<% for), conditionals (<% if) and transforms (&...
Is there a typical state machine implementation pattern?
... would be better if this answer also would at least say 2 words about the other two approaches: a "global" method with a big switch-case, and separating states with the State Design Pattern and letting each state handle its transitions itself.
– erikbwork
...
Add a prefix to all Flask routes
I have a prefix that I want to add to every route. Right now I add a constant to the route at every definition. Is there a way to do this automatically?
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What is a .snk for?
...nt to be able to verify assemblies in this way to ensure that nobody swaps out an assembly for a malicious one that will subvert the whole application. This is why non-strong-named assemblies aren't trusted in the same way that strongly-named assemblies are, so they can't be placed in the GAC. Also,...
Adding 'serial' to existing column in Postgres
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Here's a version where you don't need a human to read a value and type it out themselves.
CREATE SEQUENCE foo_a_seq OWNED BY foo.a;
SELECT setval('foo_a_seq', coalesce(max(a), 0) + 1, false) FROM foo;
ALTER TABLE foo ALTER COLUMN a SET DEFAULT nextval('foo_a_seq');
Another option would be to empl...
Foreign keys in mongo?
...rovide you with convenient methods to set up relations quite easily. Check out the link I gave you and ask any thing.
Edit:
In mongoid you will write your scheme like this:
class Student
include Mongoid::Document
field :name
embeds_many :addresses
embeds_many :scores
end
class...
When do I need to use a semicolon vs a slash in Oracle SQL?
...ing a PL/SQL anonymous block, and executing a DML statement) can be picked out more easily by eye.
Also, if you eventually move to something like Ant for deployment it will simplify the definition of targets to have a consistent statement delimiter.
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What is a None value?
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Where can i find more info about Python's built-in names?thanks.
– The_Diver
Oct 21 '13 at 14:17
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What's the difference between an exclusive lock and a shared lock?
...
very good explanation. However the PO asked bout the origin of "shared" and "exclusive" denominations, not to an explanation of therms per se.
– serhio
Apr 15 '14 at 9:56
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