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Can I set an opacity only to the background image of a div?

...n IE from version 8, while the ::before pseudo-element is not supported at all. This will hopefully be rectified in version 10. HTML <div class="myDiv"> Hi there </div> CSS .myDiv { position: relative; z-index: 1; } .myDiv:before { content: ""; position: absolut...
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How do I get the computer name in .NET

... @tvanfosson All of these three get me the server name and not the clients machine which is accessing the page. Is this how it works? or am I doing something incorrectly. I would like to get the clients machine, and not the server. I am u...
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The model backing the context has changed since the database was created

... Ps, this goes in Global.asax Application_Start() – BritishDeveloper Feb 23 '13 at 0:08 48 ...
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iOS app error - Can't add self as subview

...ControllerDelegate protocol. This includes the following method, which is called after the animation is complete: navigationController:didShowViewController:animated: Basically you want to move some code as needed into this method to ensure that no other actions that could cause a change to the N...
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Golang tests in sub-directory

... Note that you can run go test "recursively": you need to list all the packages you want to test. If you are in the root folder of your Go project, type: go test ./... The './...' notation is described in the section "Description of package lists" of the "command go": An import path is...
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How to get all properties values of a JavaScript Object (without knowing the keys)?

... for you: for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var val = obj[key]; // use val } } The nested if makes sure that you don't enumerate over properties in the prototype chain of the object (which is the behaviour you almost certainly wan...
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How to get the anchor from the URL using jQuery?

...xOf() and .substring(), like this: var url = "www.aaa.com/task1/1.3.html#a_1"; var hash = url.substring(url.indexOf("#")+1); You can give it a try here, if it may not have a # in it, do an if(url.indexOf("#") != -1) check like this: var url = "www.aaa.com/task1/1.3.html#a_1", idx = url.indexOf("...
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How to get an enum value from a string value in Java?

... @treesAreEverywhere More specifically, those methods are generated (or synthesized) by the compiler. The actual enum Blah {...} definition shouldn't try to declare its own values nor valuesOf. It's like how you can write "AnyTypeName.class" even though you...
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How can I use swift in Terminal?

... Or, you could even take this one step further and add this to your ~/.bash_profile: alias swift="/Applications/Xcode6-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift" – David Beck Jun 3 '14 at 21:33 ...
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Docker - how can I copy a file from an image to a host?

... Actually, I use docker run --rm --entrypoint tar _image_ cC _img_directory_ . | tar xvC _host_directory_ – caligari Nov 30 '17 at 11:04 add a comment...