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How to generate a Dockerfile from an image?
... -sV=1.36 nginx:latest
It will pull the target docker image automaticlaly and export Dockerfile. Parameter -sV=1.36 is not always required.
Reference: https://hub.docker.com/repository/docker/alpine/dfimage
below is the old answer, it doesn't work any more.
$ docker pull centurylink/dockerfile-from...
Rails - controller action name to string
...
FYI, action_name works in Rails 3.2.13, and controller.action_name doesn't.
– Zach
May 20 '14 at 21:55
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Make a link use POST instead of GET
... was wondering if anyone knows how to make a hyperlink pass some variables and use POST (like a form) as opposed to GET.
11...
Bash script to set up a temporary SSH tunnel
...ly with an ssh 'control socket'. To talk to an already-running SSH process and get it's pid, kill it etc. Use the 'control socket' (-M for master and -S for socket) as follows:
$ ssh -M -S my-ctrl-socket -fnNT -L 50000:localhost:3306 jm@sampledomain.com
$ ssh -S my-ctrl-socket -O check jm@sampledo...
Loop inside React JSX
... as an argument – leading to a syntax error.
But you can make an array, and then pass that in as an argument:
var rows = [];
for (var i = 0; i < numrows; i++) {
rows.push(ObjectRow());
}
return tbody(rows);
You can use basically the same structure when working with JSX:
var rows = []...
Best practice for partial updates in a RESTful service
I am writing a RESTful service for a customer management system and I am trying to find the best practice for updating records partially. For example, I want the caller to be able to read the full record with a GET request. But for updating it only certain operations on the record are allowed, like ...
How to detect DIV's dimension changed?
...ile performing windows re-sizing, the inner elements may be re-positioned, and the dimension of the div may change. I'm asking if it is possible to hook the div's dimension change event? and How to do that? I currently bind the callback function to the jQuery resize event on the target DIV, however,...
json.dumps vs flask.jsonify
I am not sure I understand the purpose of the flask.jsonify method. I try to make a JSON string from this:
5 Answers
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Best way to define private methods for a class in Objective-C
I just started programming Objective-C and, having a background in Java, wonder how people writing Objective-C programs deal with private methods.
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Unique constraint on multiple columns
...o I add a unique constraint for columns fcode, scode, dcode with t-sql and/or management studio ? fcode, scode, dcode must be unique together.
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