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What requirement was the tuple designed to solve?

...ff and write a class, and just want to think about what I've writing right now. Which means the signature of the Tuple may change quite a lot in the text half an hour whilst I figure out what data I am going to need for this method, and how it's returning what ever values it will return. If I get ...
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What is the difference between null and undefined in JavaScript?

I want to know what the difference is between null and undefined in JavaScript. 33 Answers ...
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Speed up the loop operation in R

... The data.frame has roughly 850K rows. My PC is still working (about 10h now) and I have no idea about the runtime. 10 An...
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Git mergetool with Meld on Windows

...meld [mergetool "meld"] path = C:\\Program Files (x86)\\Meld\\Meld.exe Now call git difftool in Git Bash for Windows and Meld will open up as your default difftool viewer. Linux: UPDATE 20 Sept. 2019: - I might as well put the Linux version here too for my own reference in one place if nothi...
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Are duplicate keys allowed in the definition of binary search trees?

...se problems. Imagine your tree rule is this: left < root <= right Now imagine a simple tree whose root is 5, left child is nil, and right child is 5. If you do a left rotation on the root you end up with a 5 in the left child and a 5 in the root with the right child being nil. Now somethi...
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How to get a file or blob from an object URL?

...if (this.status == 200) { var myBlob = this.response; // myBlob is now the blob that the object URL pointed to. } }; xhr.send(); Update (2018): For situations where ES5 can safely be used, Joe has a simpler ES5-based answer below. ...
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How do I add more members to my ENUM-type column in MySQL?

... of countries which would make for a rather large and awkward enum. EDIT: Now that I can see your error message: ERROR 1265 (01000): Data truncated for column 'country' at row 1. I suspect you have some values in your country column that do not appear in your ENUM. What is the output of the follo...
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Difference Between ViewData and TempData?

I know what ViewData is and use it all the time, but in ASP.NET Preview 5 they introduced something new called TempData. 6...
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How to show google.com in an iframe?

...t. I am not longer able to get this to work for me. The custom search link now redirects to google.ca/webhp?btnG=&gws_rd=ssl which forces ssl and appears to be blocked in a iframe now. I will keep investigating this but it looks like the party might be over on this one... :( ...
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How to make clang compile to llvm IR

... @EliBendersky Do you know how to compile multiple .c and .h files into one human readable IR so that I can run the IR using 'lli theIrFile'? Thanks – cache Jul 20 '14 at 18:43 ...