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How to deal with floating point number precision in JavaScript?

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ruby 1.9: invalid byte sequence in UTF-8

I'm writing a crawler in Ruby (1.9) that consumes lots of HTML from a lot of random sites. When trying to extract links, I decided to just use .scan(/href="(.*?)"/i) instead of nokogiri/hpricot (major speedup). The problem is that I now receive a lot of " invalid byte sequence in UTF-8 " errors....
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How can I combine flexbox and vertical scroll in a full-height app?

... Thanks to https://stackoverflow.com/users/1652962/cimmanon that gave me the answer. The solution is setting a height to the vertical scrollable element. For example: #container article { flex: 1 1 auto; overflow-y: auto; height: 0px; } The element w...
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How to PUT a json object with an array using curl

... 150 Your command line should have a -d/--data inserted before the string you want to send in the P...
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Why doesn't println! work in Rust unit tests?

...Hidden output") } Invoking tests: % rustc --test main.rs; ./main running 1 test test test ... ok test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured % ./main --nocapture running 1 test Hidden output test test ... ok test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured % cargo tes...
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Is it possible to declare two variables of different types in a for loop?

... 146 C++17: Yes! You should use a structured binding declaration. The syntax has been supported in...
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How to change size of split screen emacs windows?

... same heights and widths. C-x ^ (enlarge-window) increases the height by 1 line, or the prefix arg value. A negative arg shrinks the window. e.g. C-- C-1 C-6 C-x ^ shrinks by 16 rows, as does C-u - 1 6 C-x ^. (There is no default binding for shrink-window.) C-x } (enlarge-window-horizo...
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Should you always favor xrange() over range()?

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Is a Python dictionary an example of a hash table?

...t; hash(b) Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: list objects are unhashable >>> a[b] = 'some' Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: list objects are unhashable You can read...
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How can I remove all objects but one from the workspace in R?

... remove all but one. Ideally I would like to avoid having to type rm(obj.1, obj.2... obj.n) . Is it possible to indicate remove all objects but these ones ? ...