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Why should I care that Java doesn't have reified generics?
...oss this "need", it ultimately boils down to this construct:
public class Foo<T> {
private T t;
public Foo() {
this.t = new T(); // Help?
}
}
This does work in C# assuming that T has a default constructor. You can even get the runtime type by typeof(T) and get the con...
Why is Python running my module when I import it, and how do I stop it?
...rt the module and call the main(). For example, assume this is in the file foo.py.
def main():
print "Hello World"
if __name__ == "__main__":
main()
This program can be run either by going python foo.py, or from another Python script:
import foo
...
foo.main()
...
import .css file into .less file
...
This will create an additional http-request for foo.css, so the (inline) directive (see stackoverflow.com/a/22594082/160968) is now preferrable
– Urs
Nov 18 '14 at 10:43
...
Checking Bash exit status of several commands efficiently
...ncourages bad practice. Consider the simple case of ls. If you invoke ls foo and get an error message of the form ls: foo: No such file or directory\n you understand the problem. If instead you get ls: foo: No such file or directory\nerror with ls\n you become distracted by superfluous informatio...
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...
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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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...
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...
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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