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How to remove a key from Hash and get the remaining hash in Ruby/Rails?

..."three"=>3} .delete_if => In case you need to remove a key based on a value. It will obviously remove the matching keys from the original hash. 2.2.2 :115 > hash = {"one"=>1, "two"=>2, "three"=>3, "one_again"=>1} => {"one"=>1, "two"=>2, "three"=>3, "one_a...
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Use images instead of radio buttons

... Just using a class to only hide some...based on https://stackoverflow.com/a/17541916/1815624 /* HIDE RADIO */ .hiddenradio [type=radio] { position: absolute; opacity: 0; width: 0; height: 0; } /* IMAGE STYLES */ .hiddenradio [type=radio] + ...
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How can you profile a Python script?

... Are you coloring based on the amount of calls? If so, you should color based on time because the function with the most calls isn't always the one that takes the most time. – red Aug 6 '13 at 12:21 ...
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Ruby regular expression using variable name

Is is possible to create/use a regular expression pattern in ruby that is based on the value of a variable name? 5 Answers ...
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What is the difference between 'typedef' and 'using' in C++11?

...e 0: (void)Foo{}; } // ^^^^^^^^^^^^^^^ init-statement // C++20 (range-based for loop initialization statements). std::vector<int> v{1, 2, 3}; for(typedef int Foo; Foo f : v) { (void)f; } // ^^^^^^^^^^^^^^^ init-statement whereas an alias-declaration is not an init-statement, and may thu...
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Sass .scss: Nesting and multiple classes?

...nd: blue; } .container--red { background: red; } The code above is based on BEM Methodology in class naming conventions. You can check this link: BEM — Block Element Modifier Methodology share | ...
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Detecting taps on attributed text in a UITextView in iOS

...matter whether these are selected or not. Further study This answer was based on several other answers to this question. Besides these, see also Advanced Text Layouts and Effects with Text Kit (WWDC 2013 video) Attributed String Programming Guide How do I make an attributed string using Swift? ...
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Piping both stdout and stderr in bash?

... I added your example to my answer, just in case it was not obvious based on my given examples. As a side-note, you can also use the bash-specific |& instead of 2>&1 |. – Adrian Frühwirth May 11 '13 at 13:21 ...
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How to pass an ArrayList to a varargs method parameter?

...ch was added in Java 11 :) docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/… – Eran Medan Jul 29 at 12:43 add a comment  |  ...
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What is the difference between ~> and >= when specifying rubygem in Gemfile?

... the fourth would be essentially irrelevant - it would only be constrained based on the first three that you specify (e.g. ~>0.9.2 would accept anything within a 0.9.x.y series, regardless of what y is; the constraint is that the 9 can't be incremented). – eldarerathis ...