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NameError: global name 'xrange' is not defined in Python 3
...) was renamed to range() in Python 3.
Run the game with Python 2 instead. Don't try to port it unless you know what you are doing, most likely there will be more problems beyond xrange() vs. range().
For the record, what you are seeing is not a syntax error but a runtime exception instead.
If y...
“Unsafe JavaScript attempt to access frame with URL…” error being continuously generated in Chrome w
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You could allow cross-domain requests during testing by running chrome with the --disable-web-security command line option. This should probably get rid of the error (and allow FB to spy on your testing ;)
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How to change options of with jQuery?
Suppose a list of options is available, how do you update the <select> with new <option> s?
9 Answers
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Send an Array with an HTTP Get
...rst value.
$foo = $_GET["foo"]; // value1
echo is_array($foo); // false
Do note that when you send foo[]=value1&foo[]=value2&foo[]=value3 to a Java Servlet, then you can still obtain them, but you'd need to use the exact parameter name including the braces.
String[] foo = request.getPara...
(-2147483648> 0) returns true in C++?
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-2147483648 is not a "number". C++ language does not support negative literal values.
-2147483648 is actually an expression: a positive literal value 2147483648 with unary - operator in front of it. Value 2147483648 is apparently too large for the positive side of int...
How to scroll to specific item using jQuery?
...offset().top + $container.scrollTop()
});
Here is a working example.
Documentation for scrollTop.
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Check if null Boolean is true results in exception
... I struggle to understand why if (myBoolean) (where myBoolean is Boolean) does not raise a compiler error or at least a warning. This is a gotcha for sure.
– Josh M.
Dec 13 '18 at 13:50
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What are free monads?
... monad. In fact, since monads can be seen as monoids in the category of endofunctors, the definition of a list
data [a] = [] | a : [a]
looks a lot like the definition of free monads
data Free f a = Pure a | Roll (f (Free f a))
and the Monad instance has a similarity to the Monoid instance for...
Android SDK Manager Not Installing Components
Not sure what I'm doing wrong here. I installed the Android SDK Manager, and am now trying to install a platform like the Android Dev website suggests. Once I clicked install I got an error stating that the Manager could not create a temp folder within the Android directory. So I created it. Now I'm...
Referring to a Column Alias in a WHERE Clause
...SQL to treat SELECT to be handled before the WHERE clause. This is usually done with parenthesis to force logical order of operation or with a Common Table Expression (CTE):
Parenthesis/Subselect:
SELECT
*
FROM
(
SELECT
logcount, logUserID, maxlogtm,
DATEDIFF(day, maxlogtm, GETDA...