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Is It Possible to Sandbox JavaScript Running In the Browser?

...s right into the sandbox where the untrusted code runs. And there's also a demo which executes the code submitted by a user in a sandbox: http://asvd.github.io/jailed/demos/web/console/ share | imp...
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Get file size, image width and height before upload

... Demo Not sure if it is what you want, but just simple example: var input = document.getElementById('input'); input.addEventListener("change", function() { var file = this.files[0]; var img = new Image(); img....
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How to make an image center (vertically & horizontally) inside a bigger div [duplicate]

...place it as the background image within the div, the CSS for that being: #demo { background: url(bg_apple_little.gif) no-repeat center center; height: 200px; width: 200px; } (Assumes a div with id="demo" as you are already specifying height and width adding a background shouldn't be a...
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test a file upload using rspec - rails

...ara's attach_file method from a request spec. For example (this code is a demo only): it "can upload a license" do visit upload_license_path attach_file "uploadLicense", /path/to/file/to/upload click_button "Upload License" end it "can download an uploaded license" do visit license_path ...
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Modern way to filter STL container?

...object]/4 and [range.filter]) This is already supported by GCC 10 (live demo). For Clang and older versions of GCC, the original range-v3 library can be used too, with #include <range/v3/view/filter.hpp> (or #include <range/v3/all.hpp>) and the ranges::views namespace instead of std:...
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How do I style a dropdown with only CSS?

...ion #1 - appearance: none - with Internet Explorer 10 - 11 workaround (Demo) -- To hide the default arrow set appearance: none on the select element, then add your own custom arrow with background-image select { -webkit-appearance: none; -moz-appearance: none; appearance: none; /*...
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How do I format a number with commas in T-SQL?

...y formatting. The following query shows how to perform both tasks. It also demonstrates the application of culture to make this a more generic solution (addressing Tsiridis Dimitris's function to apply Greek special formatting) -- FORMAT -- http://msdn.microsoft.com/en-us/library/hh213505(v=sql.110...
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Changing .prop using jQuery does not trigger .change event

..."checkbox"][name="something"]').prop("checked", false).change(); Working Demo share | improve this answer | follow | ...
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What APIs are used to draw over other apps (like Facebook's Chat Heads)?

...when minimized and follow the finger when dragged. The project includes a demo app which demonstrates all the built in functionality. To use it, you need to add this into your gradle dependencies. compile 'com.flipkart.springyheads:library:0.9.6' ...
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Why do I need an IoC container as opposed to straightforward DI code? [closed]

...ix of one and half a dozen of the other. A real application (not a toy or demo) is bound to be complex, accounting for many corner cases and exceptions-to-the-rules. Either you encapsulate that complexity in imperative code, or else in declarative code. But you have to represent it somewhere. ...