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Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
1) When an array is passed as an argument to a method or function, is it passed by reference, or by value?
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How can I change property names when serializing with Json.net?
I have some data in a C# DataSet object. I can serialize it right now using a Json.net converter like this
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Why does Haskell's “do nothing” function, id, consume tons of memory?
Haskell has an identity function which returns the input unchanged. The definition is simple:
1 Answer
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Rails: Using build with a has_one association in rails
In this example, I create a user with no profile , then later on create a profile for that user. I tried using build with a has_one association but that blew up. The only way I see this working is using has_many . The user is supposed to only have at most one profile .
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Generate a heatmap in MatPlotLib using a scatter data set
I have a set of X,Y data points (about 10k) that are easy to plot as a scatter plot but that I would like to represent as a heatmap.
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list_display - boolean icons for methods
When defining the list_display array for a ModelAdmin class, if a BooleanField or NullBooleanField is given the UI will use nice looking icons instead of True/False text in the column. If a method that returns a boolean is given, however, it simply prints out True/False.
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What does the “~” (tilde/squiggle/twiddle) CSS selector mean?
Searching for the ~ character isn't easy. I was looking over some CSS and found this
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How to jump to a specific character in vim?
How can I jump to the next character X in vim?
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Default html form focus without JavaScript
Is it possible to set the default input focus on an HTML form without using JavaScript, for example:
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ASP.NET MVC Razor: How to render a Razor Partial View's HTML inside the controller action
How to generate a HTML of a given partial view on ASP.NET view engine is known .
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