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How to add color to Github's README.md file

...`` ```js // code for coloring ``` ```css // code for coloring ``` // etc. No "pre" or "code" tags needed. This is covered in the GitHub Markdown documentation (about half way down the page, there's an example using Ruby). GitHub uses Linguist to identify and highlight syntax - you can find...
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Dynamically select data frame columns using $ and a character value

...alise that $, like everything else in R, (including for instance ( , + , ^ etc) is a function, that takes arguments and is evaluated. df$V1 could be rewritten as `$`(df , V1) or indeed `$`(df , "V1") But... `$`(df , paste0("V1") ) ...for instance will never work, nor will anything else that...
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Should arrays be used in C++?

...lved rather elegantly by using a make_array function, similar to make_pair etc. Hat-tip to @R. Martinho Fernandes. – Konrad Rudolph May 23 '12 at 15:03 ...
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How to prettyprint a JSON file?

...int from the command line and be able to have control over the indentation etc. you can set up an alias similar to this: alias jsonpp="python -c 'import sys, json; print json.dumps(json.load(sys.stdin), sort_keys=True, indent=2)'" And then use the alias in one of these ways: cat myfile.json | js...
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What is the difference between an int and a long in C++?

...ow you to modify the default size of int and long ie force them to 8 or 16 etc. See you compiler documentation for details. – Martin York Nov 7 '08 at 17:27 7 ...
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How can I check if multiplying two numbers in Java will cause an overflow?

... Java 8 has Math.multiplyExact, Math.addExact etc. for ints and long. These throw an unchecked ArithmeticException on overflow. share | improve this answer | ...
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Why do stacks typically grow downwards?

I know that in the architectures I'm personally familiar with (x86, 6502, etc), the stack typically grows downwards (i.e. every item pushed onto the stack results in a decremented SP, not an incremented one). ...
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How to set the part of the text view is clickable

...blic void onClick(View textView) { ToastUtil.show(getContext(),"Clicked Smile "); } }; //For Click myString.setSpan(clickableSpan,startIndex,lastIndex,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE) //For UnderLine myS...
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In a .csproj file, what is for?

...r a command line project, WinForm project or UnitTest project (in my case) etc. None and Content have no different behavior. MSDN: "project output group" or "Content output group" only terms used in a Web project, right? sh...
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How to convert SQL Query result to PANDAS Data Structure?

... will do the job: from pandas import DataFrame df = DataFrame(resoverall.fetchall()) df.columns = resoverall.keys() You can go fancier and parse the types as in Paul's answer. share | improve thi...