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File path to resource in our war/WEB-INF folder?
...ntext = getContext();
String fullPath = context.getRealPath("/WEB-INF/test/foo.txt");
http://tomcat.apache.org/tomcat-5.5-doc/servletapi/javax/servlet/ServletContext.html#getRealPath(java.lang.String)
That will get you the full system path to the resource you are looking for. However, that won't...
What are the recommendations for html tag?
...hors like <a href="#anchor">, query string anchors like <a href="?foo=bar"> and path fragment anchors like <a href=";foo=bar">, with the <base> tag you're basically declaring all relative links relative to it, including those kind of anchors. None of the relative links are re...
Best way to check for “empty or null value”
...lesce(stringexpression, '') = ' ' AS coalesce3
FROM (
VALUES
('foo'::char(5))
, ('')
, (' ') -- not different from '' in char(n)
, (NULL)
) sub(stringexpression);
Result:
stringexpression | base_test | test1 | test2 | coalesce1 | coalesce2 | coalesce3
---...
JavaScript equivalent of PHP’s die
... from within a function in the scope. This means you can't do stuff like:
foo: { // this doesn't work
(function() {
break foo;
}());
}
You can do something similar though with functions:
function myFunction() {myFunction:{
// you can now use break myFunction; instead of return;
}}
...
What is the scope of variables in JavaScript?
...nction expressions are scoped only to the expression itself:
(function foo() { console.log(foo) })()
console.log(typeof foo) // undefined, because `foo` is scoped to its own expression
In non-strict mode, implicitly defined properties on the global object are globally scoped. In strict mod...
Convert object string to JSON
...turn '"'+$1+'"'})
}
Result
var invalidJSON = "{ hello: 'world',foo:1, bar : '2', foo1: 1, _bar : 2, $2: 3, 'xxx': 5, \"fuz\": 4, places: ['Africa', 'America', 'Asia', 'Australia'] }"
JSON.parse(invalidJSON)
//Result: Uncaught SyntaxError: Unexpected token h VM1058:2
JSON.parse(JSONize...
How do you generate dynamic (parameterized) unit tests in python?
...ass TestSequence(unittest.TestCase):
@parameterized.expand([
["foo", "a", "a",],
["bar", "a", "b"],
["lee", "b", "b"],
])
def test_sequence(self, name, a, b):
self.assertEqual(a,b)
Which will generate the tests:
test_sequence_0_foo (__main__.TestSequenc...
Best practices for exception management in Java or C# [closed]
...e the issues are
pretty easy to see there. Let's say I
create a method foo that declares it
throws exceptions A, B, and C. In
version two of foo, I want to add a
bunch of features, and now foo might
throw exception D. It is a breaking
change for me to add D to the throws
clause of th...
What is the proper way to check if a string is empty in Perl?
...stent in Perl.
Anyways those are numeric operators, you should use
if($foo eq "")
or
if(length($foo) == 0)
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How do I compare strings in Java?
...ical in-line strings are actually the same object.
For example:
String fooString1 = new String("foo");
String fooString2 = new String("foo");
// Evaluates to false
fooString1 == fooString2;
// Evaluates to true
fooString1.equals(fooString2);
// Evaluates to true, because Java uses the same ob...