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Ajax, back button and DOM updates

... to the page that they've seen last with all DOM updates, javascript state etc. developers shouldn't break this by doing something in unload event and if they do, webbrowsers shouldn't try to fix the problem by not using bfcache at all. whole unload event is one big joke. I'm sure 99% of time it's u...
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Remove all special characters from a string in R?

How to remove all special characters from string in R and replace them with spaces ? 3 Answers ...
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Android canvas draw rectangle

how to draw empty rectangle with etc. borderWidth=3 and borderColor=black and part within rectangle don't have content or color. Which function in Canvas to use ...
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sed or awk: delete n lines following a pattern

... how to delete all lines after the pattern is matched ? I am using sed -e '/<!--#content end--></div>/,$d' out.txt but it gives error saying : sed: -e expression #1, char 24: extra characters after command Thanks in advance. ...
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How to create a directory and give permission in single command

... 0777--since 777 only specifies the permissions, not the setuids, setgids, etc.) Now, to apply this to your question in a broader sense--you have (already) got a few options. All the answers above work (at least according to my coreutils). But you may (or are pretty likely to) run into problems with...
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How does one reorder columns in a data frame?

...e present. Because there are no columns with the character names "1", "3", etc. you'll get "undefined columns". list(1,3,"Var1", 2) keeps values without type promotion, but you can't use a list in the above context. – Terry Brown Jan 18 '15 at 16:05 ...
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Open Source Alternatives to Reflector? [closed]

...ts) which then get translated into higher level languages like C#, VB.Net, etc. The addin api for Reflector allows you to write your own language translator if you wish ... however the magic of how it parses the IL into the expression trees is a closely guarded secret. I would recommend looking at...
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How do I copy a hash in Ruby?

...oning a hash is preventing modification of the original (for immutability, etc). – K. Carpenter Feb 10 '15 at 2:24 6 ...
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How would you count occurrences of a string (actually a char) within a string?

...nsion methods on the string class. I guess they figured devs wouldn't want all those extension methods to show up on the string class. Probably a wise decision. – Judah Gabriel Himango Feb 15 '09 at 23:27 ...
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How to make links in a TextView clickable?

...makes all "html" tags inside work accordingly, e.g. <b>...</b> etc. – Array Aug 10 '18 at 12:52