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JavaScript object: access variable property by name as string [duplicate]

...ion, var side = columns.right;, except the fact that right could also come from a variable, function return value, etc., when using bracket notation. If you NEED a function for it, here it is: function read_prop(obj, prop) { return obj[prop]; } To answer some of the comments below that are...
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ASP.NET MVC partial views: input name prefixes

...Helper.GetExpressionText(expression); object model = ModelMetadata.FromLambdaExpression(expression, helper.ViewData).Model; var viewData = new ViewDataDictionary(helper.ViewData) { TemplateInfo = new System.Web.Mvc.TemplateInfo { HtmlFi...
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Javascript for “Add to Home Screen” on iPhone?

...is with the builtin UI, and that Apples does not provide anyway to do this from scripts within a page. In fact, I am pretty sure there is no mechanism for doing this on the desktop version of Safari either. share | ...
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Is Java “pass-by-reference” or “pass-by-value”?

... a new object of type Foo with an attribute "f". Foo f = new Foo("f"); From the method side, a reference of type Foo with a name a is declared and it's initially assigned null. public static void changeReference(Foo a) As you call the method changeReference, the reference a will be assigned ...
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How do you connect localhost in the Android emulator? [duplicate]

... But you need to change API from "localhost:port" to "127.0.0.1:port" first. after that, Use 10.0.2.2 to access your actual machine. – binhtruong.it Dec 9 '18 at 11:49 ...
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Django FileField with upload_to determined at runtime

...deconstructible decorator. import datetime import os import unicodedata from django.core.files.storage import default_storage from django.utils.deconstruct import deconstructible from django.utils.encoding import force_text, force_str @deconstructible class UploadToPath(object): def __init_...
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How to create a static library with g++?

Can someone please tell me how to create a static library from a .cpp and a .hpp file? Do I need to create the .o and the .a? I would also like to know how can I compile a static library in and use it in other .cpp code. I have header.cpp , header.hpp . I would like to create header.a . Test the...
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How to count lines in a document?

... -l /dir/file.txt 3272485 /dir/file.txt Or, to omit the <filename> from the result use wc -l < <filename>: $ wc -l < /dir/file.txt 3272485 You can also pipe data to wc as well: $ cat /dir/file.txt | wc -l 3272485 $ curl yahoo.com --silent | wc -l 63 ...
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How to download an entire directory and subdirectories using wget?

... //recursive Download and --no-parent // Don´t download something from the parent directory If you don't want to download the entire content, you may use: -l1 just download the directory (tzivi in your case) -l2 download the directory and all level 1 subfolders ('tzivi/something' but ...
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Constant pointer vs Pointer to constant [duplicate]

... the declaration like this which make it easy to read and understand (read from right to left): int const *ptr; // ptr is a pointer to constant int int *const ptr; // ptr is a constant pointer to int share | ...