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What is the difference between Ruby 1.8 and Ruby 1.9

... One huge difference would be the move from Matz's interpreter to YARV, a bytecode virtual machine that helps significantly with performance. share | improve this...
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Check if a given Type is an Enum

...welcome :) Make sure to always browse the IntelliSense, I've learned a lot from it. – Ry-♦ Nov 8 '11 at 2:45 9 ...
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Why is JsonRequestBehavior needed?

... sensitive data, then it should be safe to allow the get. Further reading from my Wrox ASP.NET MVC3 book By default, the ASP.NET MVC framework does not allow you to respond to an HTTP GET request with a JSON payload. If you need to send JSON in response to a GET, you'll need to explicitly a...
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Targeting position:sticky elements that are currently in a 'stuck' state

... It isn't just position... imagine a :stuck that changes the top value from 0 to 300px, then scroll down 150px... should it stick or not? Or think about an element with position: sticky and bottom: 0 where the :stuck maybe changes font-size and therefore the elements size (therefore changing t...
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Can I initialize a C# attribute with an array or other variable number of arguments?

... That should be okay. From the spec, section 17.2: An expression E is an attribute-argument-expression if all of the following statements are true: The type of E is an attribute parameter type (§17.1.3). At compile-time, the value of E can be ...
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How to click first link in list of items after upgrading to Capybara 2.0?

...ar one. You should be able to match with this. A working example example from one of my projects: within page.find("div.panel", text: /Proposals/) do within page.find('tr', text: /Foo/) do page.should have_xpath('td[3]', text: @today) end end ...
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In JavaScript, does it make a difference if I call a function with parentheses?

...ret becomes your Multiply function as opposed to being the result obtained from your Multiply function. Calls to ret() will cause your Multiply function to be executed, and you can call it exactly as if you'd called Multiply(operator, operand): var out = ret(3, 4); is the same as var out = Multi...
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Count cells that contain any text

..." and don't want to count them, you have to subtract number of empty cells from total number of cell by formula like =row(G101)-row(G4)+1-countblank(G4:G101) In case of 2-dimensional array it would be =(row(G101)-row(A4)+1)*(column(G101)-column(A4)+1)-countblank(A4:G101) Tested at google docs....
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Get value of dynamically chosen class constant in PHP

...est is quite simple and involves no outside, user manipulable input. Aside from that, you're calling another function because, I guess, you don't like the string to be concatenated with delimiters? – ReSpawN Nov 3 '16 at 13:26 ...
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Rename specific column(s) in pandas

... How do I rename a specific column in pandas? From v0.24+, to rename one (or more) columns at a time, DataFrame.rename() with axis=1 or axis='columns' (the axis argument was introduced in v0.21. Index.str.replace() for string/regex based replacement. If you need to r...