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What is std::promise?
...get it from the associated future.
The asynchronous provider is what initially creates the shared state that a future refers to. std::promise is one type of asynchronous provider, std::packaged_task is another, and the internal detail of std::async is another. Each of those can create a shared sta...
AngularJs: How to check for changes in file input fields?
...d circumvents the default AngularJS processing, so $scope.$digest() isn't called (bindings aren't updated). Call 'angular.element(this).scope().$digest()' afterwards or call a scope method that uses $apply.
– Ramon de Klein
May 26 '14 at 9:01
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Javascript set img src
...have images which may be duplicated many times over the course of a dynamically generated page. So the obvious thing to do is to preload it and use that one variable as the source all the time.
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Excel Date to String conversion
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Full reference to the TEXT function especially to know how to set formats: see Guidelines for date and time formats on this page office.microsoft.com/en-us/excel-help/…
– codea
Sep 9 '13 at 21:07
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CSS: 100% width or height while keeping aspect ratio?
...onstrain the image into a specific position, either being too wide or too tall, respectively.
14 Answers
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How to scroll HTML page to given anchor?
...scrollTo(hash) {
location.hash = "#" + hash;
}
No jQuery required at all!
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Error when changing to master branch: my local changes would be overwritten by checkout
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Oops, mistyped add when it is actually save.. updated. You mean, for other files? git stash save without file name parameter will save all modified files, if you want to (and revert them to latest-commited state). And having extra copy of directory tree never...
Ruby: How to post a file via HTTP as multipart/form-data?
...o an HTTP POST that looks like an HMTL form posted from a browser. Specifically, post some text fields and a file field.
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How do I find the absolute url of an action in ASP.NET MVC?
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Click here for more information, but esentially there is no need for extension methods. It's already baked in, just not in a very intuitive way.
Url.Action("Action", null, null, Request.Url.Scheme);
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Alter a MySQL column to be AUTO_INCREMENT
...L types - in those cases, the amount of data you can store in there is actually specified, whereas a particular flavour of INT is always allows storage of the exact same range of values
– Roland Bouman
Jan 30 '10 at 20:03
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