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Listening for variable changes in JavaScript

...rs and setters): https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects#Defining_getters_and_setters You can define an object like this, in which aInternal represents the field a: x = { aInternal: 10, aListener: function(val) {}, set a(val) { this.aInternal = ...
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Change “on” color of a Switch

...e default value for colorControlActivated, which is used to tint widgets --> <item name="colorAccent">@color/accent</item> <!-- You can also set colorControlNormal, colorControlActivated colorControlHighlight, and colorSwitchThumbNormal. --> </styl...
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Setting individual axis limits with facet_wrap and scales = “free” in ggplot2

I'm creating a facetted plot to view predicted vs. actual values side by side with a plot of predicted value vs. residuals. I'll be using shiny to help explore the results of modeling efforts using different training parameters. I train the model with 85% of the data, test on the remaining 15%, a...
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Accessing items in an collections.OrderedDict by index

... If you only access one item, you can avoid the memory overhead of list(d.items()) by using next(islice(d.items(), 1)) to get ('bar', 'spam') – Quantum7 Oct 20 '17 at 15:37 ...
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What does $.when.apply($, someArray) do?

...a parameter to the function. .apply can also change the context (this) inside a function. So, let's take $.when. It's used to say "when all these promises are resolved... do something". It takes an infinite (variable) number of parameters. In your case, you have an array of promises; you don't ...
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Ignoring a class property in Entity Framework 4.1 Code First

...clude a particular property public class Customer { public int CustomerID { set; get; } public string FirstName { set; get; } public string LastName{ set; get; } [NotMapped] public int Age { set; get; } } [NotMapped] attribute is included in the System.ComponentModel.DataAnnot...
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Rails: Open link in new tab (with 'link_to')

...open a new tab or a new site. But this depends on the user settings. I considere this question answered. Except I fell in a trap when it is necessary to seperate the link options from the html options: link_to(name = nil, options = nil, html_options = nil, &block) Example: link_to('Click me'...
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What is the use of “assert” in Python?

...s early in your program, where the cause is clear, rather than later as a side-effect of some other operation. When you do... assert condition ... you're telling the program to test that condition, and immediately trigger an error if the condition is false. In Python, it's roughly equivalent to...
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Depend on a branch or tag using a git URL in a package.json?

...git#feature/blah worked but <user>/<project>.git#feature/blah didn't ... perhaps their regex needs to be more advanced to take feature/blah into account. This was npm v1.4.28 – pulkitsinghal Jul 2 '15 at 17:13 ...
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Is it possible for a computer to “learn” a regular expression by user-provided examples?

Is it possible for a computer to "learn" a regular expression by user-provided examples? 10 Answers ...