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Using Mockito's generic “any()” method

...e able to compile lambda expressions, but it improves type inferences generally. Primitive types This doesn't work with primitive types, unfortunately: public interface IBar { void doPrimitiveStuff(int i); } verify(bar).doPrimitiveStuff(any()); // Compiles but throws NullPointerException v...
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How to assign colors to categorical variables in ggplot2 that have stable mapping?

...maintain consistent color schemes across multiple data frames that are not all obtained by subsetting a single large data frame. Managing the factors levels in multiple data frames can become tedious if they are being pulled from separate files and not all factor levels appear in each file. One way...
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What's the deal with a leading underscore in PHP class methods?

... { to give it some extra weight. I've never heard of developers prefacing all their methods with underscores, so I can't begin to explain what causes that. share | improve this answer | ...
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Tool to Unminify / Decompress JavaScript [closed]

...iderMonkey and Rhino you can wrap any code into an anonymous function and call its toSource method, which will give you a nicely formatted source of the function. toSource also strips comments. E. g.: (function () { /* Say hello. */ var x = 'Hello!'; print(x); }).toSource() Will be converted to...
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How does the “final” keyword in Java work? (I can still modify an object.)

... You are always allowed to initialize a final variable. The compiler makes sure that you can do it only once. Note that calling methods on an object stored in a final variable has nothing to do with the semantics of final. In other words:...
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How to check if a variable is set in Bash?

... (Usually) The right way if [ -z ${var+x} ]; then echo "var is unset"; else echo "var is set to '$var'"; fi where ${var+x} is a parameter expansion which evaluates to nothing if var is unset, and substitutes the string x otherw...
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Checkout one file from Subversion

... The really simple solution is to access the repository with a web browser. – dolmen Jul 9 '10 at 8:32 11 ...
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How to take column-slices of dataframe in pandas

...th the following columns: foo, bar, quz, ant, cat, sat, dat. # selects all rows and all columns beginning at 'foo' up to and including 'sat' df.loc[:, 'foo':'sat'] # foo bar quz ant cat sat .loc accepts the same slice notation that Python lists do for both row and columns. Slice notation being...
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How can I merge properties of two JavaScript objects dynamically?

...Later properties overwrite earlier properties with the same name. */ const allRules = {...obj1, ...obj2, ...obj3}; Here is also the MDN documentation for this syntax. If you're using babel you'll need the babel-plugin-transform-object-rest-spread plugin for it to work. ECMAScript 2015 (ES6) Stand...
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Python: reload component Y imported with 'from X import Y'?

... verse (import this from interactive prompt to see the Zen of Python); and all the reasons why namespaces are a honking great idea (immediate local visual clues that the name's being looked up, ease of mocking/injecting in tests, ability to reload, ability for a module to change flexibly by redefini...