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how to delete all commit history in github? [duplicate]

...Hub repository: git init git remote add origin git@github.com:user/repo now commit your current version of code git add * git commit -am 'message' and finally force the update to GitHub: git push -f origin master However, I suggest backing up the history (the .git folder in the repository) ...
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Drawing an SVG file on a HTML5 canvas

... EDIT Dec 16th, 2019 Path2D is supported by all major browsers now EDIT November 5th, 2014 You can now use ctx.drawImage to draw HTMLImageElements that have a .svg source in some but not all browsers. Chrome, IE11, and Safari work, Firefox works with some bugs (but nightly has fixed them...
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How to design a multi-user ajax web application to be concurrently safe

...(latancy of javascript client and commit process factors in) by comparing known clientside artifact-version-id and current serverside artifact-version-id. A javascript conflict-solver allowing for a human which-change-is-the-right decision. You may not want to just tell the user "Someone was faster ...
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What GRANT USAGE ON SCHEMA exactly do?

... Now it's very clear with the directory example :) I must say this is a problem if you insert some table or row with a superuser, for example when you add postGIS using CREATE EXTENSION. It's more or less the same problem with...
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What is the difference between a pseudo-class and a pseudo-element in CSS?

...lement refers to things that are part of the document, but you just don't know it yet. For example the first letter. Before you only had text. Now you have a first letter that you can target. It is a new concept, but was always part of the document. This also includes things like ::before; whil...
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SQL Server CTE and recursion example

...AS MyColName -- Or SELECT MyColName = 1 -- Etc... ) Q 2) now here about CTE and recursion of employee relation the moment i add two manager and add few more employee under second manager then problem start. i want to display first manager detail and in the next rows only those empl...
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What is the difference between concurrency, parallelism and asynchronous methods?

...are NOT the same thing. Differences between concurrency vs. parallelism Now let’s list down remarkable differences between concurrency and parallelism. Concurrency is when two tasks can start, run, and complete in overlapping time periods. Parallelism is when tasks literally run at the same ti...
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Multi-key dictionary in c#? [duplicate]

I know there isn't one in the BCL but can anyone point me to a good opensource one? 16 Answers ...
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Is non-blocking I/O really faster than multi-threaded blocking I/O? How?

... From the web point of view common knowledge (Internet, comments from experts) suggest that greatly increasing the max. number of request threads is a bad thing in blocking IO (making processing of requests even slower) due to memory increase and context switch...
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WebView link click open default browser

Right now I have an app that loads a webview and all the clicks are kept within the app. What I would like to do is when a certain link, for example, http://www.google.com is clicked within the app it opens the default browser. If anyone has some ideas please let me know! ...