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How can I parse a YAML file from a Linux shell script?

...:// (for URLs) s/$/"/g appends " to the end of each line s/ *=/=/g removes all spaces before = share | improve this answer | follow | ...
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Could not locate Gemfile

...application on my server using Ruby, Gems, and Bundler. I am trying to install another Ruby on under a different user account but on the same VPS. When I go to run ...
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Are tuples more efficient than lists in Python?

...l be more like the tuple example above than the list example, but do you really believe that means performance will be similar? – mzz Jan 31 '10 at 15:21 ...
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How to find what code is run by a button or element in Chrome using Developer Tools

...ess the F11 key (Step In) until desired source code appears Source code finally reached In the jsFiddle sample provided above, I had to press F11 108 times before reaching the desired event handler/function Your mileage may vary, depending on the version of jQuery (or framework library) used to bi...
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What characters are allowed in DOM IDs? [duplicate]

... Actually there is a difference between HTML and XHTML. As XHTML is XML the rules for XML IDs apply: Values of type ID MUST match the Name production. NameStartChar ::= ":" | [A-Z] | "_" | [a-z] | [#xC0-#xD6] | ...
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Double vs. BigDecimal?

...tudes (say d1=1000.0 and d2=0.001) could result in the 0.001 being dropped alltogether when summing as the difference in magnitude is so large. With BigDecimal this would not happen. The disadvantage of BigDecimal is that it's slower, and it's a bit more difficult to program algorithms that way (du...
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How to print Unicode character in Python?

I want to make a dictionary where English words point to Russian and French translations. 9 Answers ...
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Is there an exponent operator in C#?

...o in most programs, and it doesn't seem justified to add an operator when calling Math.Pow() is simple. You asked: Do I have to write a loop or include another namespace to handle exponential operations? If so, how do I handle exponential operations using non-integers? Math.Pow supports double p...
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Which is more efficient, a for-each loop, or an iterator?

... If you are just wandering over the collection to read all of the values, then there is no difference between using an iterator or the new for loop syntax, as the new syntax just uses the iterator underwater. If however, you mean by loop the old "c-style" loop: for(int i=0; i&l...
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How to Select Every Row Where Column Value is NOT Distinct

I need to run a select statement that returns all rows where the value of a column is not distinct (e.g. EmailAddress). 7 A...