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Preview an image before it is uploaded

...file (image) before it is uploaded. The preview action should be executed all in the browser without using Ajax to upload the image. ...
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Regex to test if string begins with http:// or https://

...s." (Duplicate characters are ignored.) Try this: ^https?:// If you really want to use alternation, use this syntax instead: ^(http|https):// share | improve this answer | ...
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Where and why do I have to put the “template” and “typename” keywords?

...iler doesn't need to know the meaning of a name in order to parse and basically know what action a line of code does. In C++, the above however can yield vastly different interpretations depending on what t means. If it's a type, then it will be a declaration of a pointer f. However if it's not a ty...
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@ character before a function call

What is the difference between these two function calls in PHP? 5 Answers 5 ...
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UIButton won't go to Aspect Fit in iPhone

...y're always stretching. Is there something else you have to set? I tried all the different view modes and none of them work, they all stretch. ...
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Convert HttpPostedFileBase to byte[]

... Darin says, you can read from the input stream - but I'd avoid relying on all the data being available in a single go. If you're using .NET 4 this is simple: MemoryStream target = new MemoryStream(); model.File.InputStream.CopyTo(target); byte[] data = target.ToArray(); It's easy enough to write...
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How can you hide database output in Rails console?

...how/why your post will solve the problem. – Mick MacCallum Oct 6 '12 at 6:35 7 This is going to s...
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Assign same value to multiple variables at once?

... @Eoin: In doing $var_a = $var_b = ... = new Class();, all the variables will reference the same instance of Class. – Tim Cooper Jun 21 '19 at 19:34 ...
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Git file permissions on Windows

...cripts I commit from Windows (where I have core.filemode set to false) actually have the execute bit set. – tomlogic Oct 24 '13 at 22:00 ...
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HTML5 dragleave fired when hovering a child element

... This worked for me in all browsers, but Firefox. I have a new solution which works everywhere in my case. On the first dragenter I save event.currentTarget in a new variable dragEnterTarget. As long as dragEnterTarget is set, I ignore further drag...