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What is the purpose and use of **kwargs?
...'a': 1, 'b': 2, 'c':3}
func(**args)
It's useful if you have to construct parameters:
args = {'name': person.name}
if hasattr(person, "address"):
args["address"] = person.address
func(**args) # either expanded to func(name=person.name) or
# func(name=person.na...
How to use DbContext.Database.SqlQuery(sql, params) with stored procedure? EF Code First C
I have a stored procedure that has three parameters and I've been trying to use the following to return the results:
10 Ans...
JavaScript: Passing parameters to a callback function
I'm trying to pass some parameter to a function used as callback, how can I do that?
13 Answers
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How to extract URL parameters from a URL with Ruby or Rails?
...tdlib/libdoc/cgi/rdoc/classes/CGI.html#M000075
require 'cgi'
CGI::parse('param1=value1&param2=value2&param3=value3')
returns
{"param1"=>["value1"], "param2"=>["value2"], "param3"=>["value3"]}
share
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Set the absolute position of a view
...lative_layout);
ImageView iv = new ImageView(this);
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(30, 40);
params.leftMargin = 50;
params.topMargin = 60;
rl.addView(iv, params);
More examples:
Places two 30x40 ImageViews (one yellow, one red) at (50,60) and (80,90), res...
`ui-router` $stateParams vs. $state.params
With ui-router , it's possible to inject either $state or $stateParams into a controller to get access to parameters in the URL. However, accessing parameters through $stateParams only exposes parameters belonging to the state managed by the controller that accesses it, and its parent states,...
Difference between / and /* in servlet mapping url pattern
...therwise have to take care of all its tasks, which is not exactly trivial (JSF utility library OmniFaces has an open source example). This is thus also a bad URL pattern for servlets. As to why JSP pages doesn't hit this servlet, it's because the servletcontainer's builtin JSP servlet will be invoke...
How to get GET (query string) variables in Express.js on Node.js?
... mikemcneil's answer below is a better choice. Use req.query or req.param (which is different than req.params...see below.
– MindJuice
Jun 19 '14 at 15:14
9
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How to remove a field from params[:something]
...ritten newer versions of Rails have added the extract! and except eg:
new_params = params.except[the one I wish to remove]
This is a safer way to 'grab' all the params you need into a copy WITHOUT destroying the original passed in params (which is NOT a good thing to do as it will make debugging ...
Rails params explained?
Could anyone explain params in Rails controller: where they come from, and what they are referencing?
5 Answers
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