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Git: “Not currently on any branch.” Is there an easy way to get back on a branch, while keeping the

... hash of last commit. Checkout the branch you wish to be at, and git merge _hash_ – Daniel May 31 '12 at 13:31 BE REAL...
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Select multiple images from android gallery

So basically what i am trying to achieve is opening the Gallery in Android and let the user select multiple images . Now this question has been asked frequently but i'm not satisfied with the answers. Mainly because i found something interesting in de docs in my IDE (i come back on this later) ...
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How to draw polygons on an HTML5 canvas?

...dle top of the polygon rather than the middle right, flip the sin and cos calls and change Ycenter + to Ycenter - on both places (leaving it as a sum rather than a difference of the values results in it starting with a point at the bottom of the resultant shape). I am not a clever man when it comes...
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Set cursor position on contentEditable

... range.collapse(); range.insertNode(cursorEnd); } }; // Add callbacks to afterFocus to be called after cursor is replaced // if you like, this would be useful for styling buttons and so on var afterFocus = []; editable.onfocus = function(e) { // Slight delay will avoid the initial ...
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Explain the use of a bit vector for determining if all characters are unique

...ge for bits. Every bit in integer value can be treated as a flag, so eventually int is an array of bits (flag). Each bit in your code states whether the character with bit's index was found in string or not. You could use bit vector for the same reason instead of int. There are two differences betwe...
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PHP validation/regex for URL

...hings that jump out at me: use of alternation where character classes are called for (every alternative matches exactly one character); and the replacement shouldn't have needed the outer double-quotes (they were only needed because of the pointless /e modifier on the regex). –...
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What is Rack middleware?

...tages of processing a request - separation of concerns being a key goal of all well designed software products. For example with Rack I can have separate stages of the pipeline doing: Authentication: when the request arrives, are the users logon details correct? How do I validate this OAuth, HTTP...
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How set maximum date in datepicker dialog in android?

... To set max date for all api try this gist.github.com/Kishanjvaghela/7b8738bbb224c5f2e652 – Kishan Vaghela Oct 5 '15 at 7:56 1...
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Vim search and replace selected text

... This quick and simple mapping search for visually highlighted text (without over-writing the h register) and without using the terminal dependant + register: " search for visually hightlighted text vnoremap <c-f> y<ESC>/<c-r>"<CR> If you do...
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C++ IDE for Linux? [closed]

... Initially: confusion When originally writing this answer, I had recently made the switch from Visual Studio (with years of experience) to Linux and the first thing I did was try to find a reasonable IDE. At the time this was impo...