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JavaScript post request like a form submit

...o the specified url from a form. this will change the window location. * @param {string} path the path to send the post request to * @param {object} params the paramiters to add to the url * @param {string} [method=post] the method to use on the form */ function post(path, params, method='post'...
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Set margins in a LinearLayout programmatically

...ayout(this); ll.setOrientation(LinearLayout.VERTICAL); LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams( LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT); layoutParams.setMargins(30, 20, 30, 0); Button okButton=new Button(this); okButton.s...
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HSL to RGB color conversion

...d in the set [0, 1] and * returns r, g, and b in the set [0, 255]. * * @param {number} h The hue * @param {number} s The saturation * @param {number} l The lightness * @return {Array} The RGB representation */ function hslToRgb(h, s, l){ var r, g, b; ...
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AngularJS UI Router - change url without reloading state

...included in the master version of angular ui router, the one with optional parameters (which are nice too, btw). It needs to be cloned and built from source with grunt build The docs are accessible from the source as well, through grunt ngdocs (they get built into the /site directory) // mor...
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How to resize a custom view programmatically?

...ail to pass the height or width of a view. Instead of creating a new LayoutParams object, use the original one, so that all other set parameters are kept. Note that the type of LayoutParams returned by getLayoutParams is that of the parent layout, not the view you are resizing. RelativeLayout.Layou...
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Python function global variables?

...ere is one case that caught me out, using a global as a default value of a parameter. globVar = None # initialize value of global variable def func(param = globVar): # use globVar as default value for param print 'param =', param, 'globVar =', globVar # display values def test(): gl...
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How is attr_accessible used in Rails 4?

... Rails 4 now uses strong parameters. Protecting attributes is now done in the controller. This is an example: class PeopleController < ApplicationController def create Person.create(person_params) end private def person_params ...
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How do you generate dynamic (parameterized) unit tests in python?

... This is called "parametrization". There are several tools that support this approach. E.g.: pytest's decorator parameterized The resulting code looks like this: from parameterized import parameterized class TestSequence(unittest.TestC...
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How do I do a not equal in Django queryset filtering?

...lookup_name = 'ne' def as_sql(self, qn, connection): lhs, lhs_params = self.process_lhs(qn, connection) rhs, rhs_params = self.process_rhs(qn, connection) params = lhs_params + rhs_params return '%s <> %s' % (lhs, rhs), params Then you need to register it...
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How to obtain the query string from the current URL with JavaScript?

...lue("name")); In modern browsers In modern browsers you have the searchParams property of the URL interface, which returns a URLSearchParams object. The returned object has a number of convenient methods, including a get-method. So the equivalent of the above example would be: let params = (new...