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Best way to parse command-line parameters? [closed]
...t.OptionParser[Config]("scopt") {
head("scopt", "3.x")
opt[Int]('f', "foo") action { (x, c) =>
c.copy(foo = x) } text("foo is an integer property")
opt[File]('o', "out") required() valueName("<file>") action { (x, c) =>
c.copy(out = x) } text("out is a required file prope...
Pickle incompatibility of numpy arrays between Python 2 and 3
I am trying to load the MNIST dataset linked here in Python 3.2 using this program:
7 Answers
...
How to make an enum conform to a protocol in Swift?
...lip between cases as follows:
enum SimpleEnum: ExampleProtocol {
case Foo, Bar
var simpleDescription: String {
get {
let value = self == .Foo
? "Foo"
: "Bar"
return "A simple \(value) enum."
}
}
mutating func adjust() {
self ...
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
---...
Why does string::compare return an int?
...
if I was to design a compare method that compares two objects of type Foo and I only wanted to return -1, 0 or 1, would using short or char generally be a good idea?
It would be ok idea. A better way would be to return a bool (if only want to compare if equal), or enum (for more information) ...
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;
}}
...
Find the index of a dict within a list, by matching the dict's value
I have a list of dicts:
9 Answers
9
...
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...
scheduleAtFixedRate vs scheduleWithFixedDelay
What's the main difference between scheduleAtFixedRate and scheduleWithFixedDelay methods of ScheduledExecutorService ?
...
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...