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How can I get the full object in Node.js's console.log(), rather than '[Object]'?
...) is automatically applied to every argument:
o = { one: 1, two: 'deux', foo: function(){} }; console.log(o, [1,2,3]) // -> '{ one: 1, two: 'deux', foo: [Function] } [ 1, 2, 3 ]'
Note that you cannot pass options through util.inspect() in this case, which implies 2 notable limitations:
Struc...
Which is the preferred way to concatenate a string in Python?
...StringIO
# python3: from io import StringIO
buf = StringIO()
buf.write('foo')
buf.write('foo')
buf.write('foo')
buf.getvalue()
# 'foofoofoo'
If you already have a complete list returned to you from some other operation, then just use the ''.join(aList)
From the python FAQ: What is the most ef...
How to get the filename without the extension in Java?
...cond character class to ensure that you're not tripped up by a path like "/foo/bar.x/baz"
– chrisinmtown
Jul 17 '15 at 12:10
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Are there pronounceable names for common Haskell operators? [closed]
... "b pipe-to a"
!! index
! index / strict a ! b: "a index b", foo !x: foo strict x
<|> or / alternative expr <|> term: "expr or term"
++ concat / plus / append
[] empty list
: cons
:: of type / as f x :: Int: f x of type Int
\ lambda
@ ...
How to URL encode a string in Ruby
... between them is their handling of spaces:
>> ERB::Util.url_encode("foo/bar? baz&")
=> "foo%2Fbar%3F%20baz%26"
>> CGI.escape("foo/bar? baz&")
=> "foo%2Fbar%3F+baz%26"
CGI.escape follows the CGI/HTML forms spec and gives you an application/x-www-form-urlencoded string, w...
Adding data attribute to DOM
...t's essentially decoupled from the data attribute.
Example:
<div data-foo="bar"></div>
If you grabbed the value of the attribute using .data('foo'), it would return "bar" as you would expect. If you then change the attribute using .attr('data-foo', 'blah') and then later use .data('f...
Factory Pattern. When to use factory methods?
...nstructors - mostly when constructors aren't expressive enough, ie.
class Foo{
public Foo(bool withBar);
}
is not as expressive as:
class Foo{
public static Foo withBar();
public static Foo withoutBar();
}
Factory classes are useful when you need a complicated process for constructing th...
How to check if an object is a generator object in python?
...
>>> import inspect
>>>
>>> def foo():
... yield 'foo'
...
>>> print inspect.isgeneratorfunction(foo)
True
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How to create a new java.io.File in memory?
...r readme:
FileSystem fs = Jimfs.newFileSystem(Configuration.unix());
Path foo = fs.getPath("/foo");
Files.createDirectory(foo);
Path hello = foo.resolve("hello.txt"); // /foo/hello.txt
Files.write(hello, ImmutableList.of("hello world"), StandardCharsets.UTF_8);
...
What does enumerate() mean?
...hat to row_number and row, respectively.
Demo:
>>> elements = ('foo', 'bar', 'baz')
>>> for elem in elements:
... print elem
...
foo
bar
baz
>>> for count, elem in enumerate(elements):
... print count, elem
...
0 foo
1 bar
2 baz
By default, enumerate() starts...