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NameError: global name 'xrange' is not defined in Python 3
...y 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 you do know what your are doing and are actively making a Python 2 codebase compatib...
Android ViewPager with bottom dots
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valueOf() vs. toString() in Javascript
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Here's a little more detail, before I get to the answer:
var x = {
toString: function () { return "foo"; },
valueOf: function () { return 42; }
};
alert(x); // foo
"x=" + x; // "x=42"
x + "=x"; // "42=x"
x + "1"; // 421
x + 1; // 4...
What is the best way to use a HashMap in C++?
...iterate through an unordered_map from begin() to end(), you get items in a more or less arbitrary order.
An unordered_map is normally expected to have constant complexity. That is, an insertion, lookup, etc., typically takes essentially a fixed amount of time, regardless of how many items are in th...
UPDATE multiple tables in MySQL using LEFT JOIN
...col1 = newvalue
WHERE t2.id IS NULL
Note that for a SELECT it would be more efficient to use NOT IN / NOT EXISTS syntax:
SELECT t1.*
FROM t1
WHERE t1.id NOT IN
(
SELECT id
FROM t2
)
See the article in my blog for performance details:
Finding incompl...
Delete text in between HTML tags in vim?
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What's the difference between “git reset” and “git checkout”?
...ence. I have included it, along with a relevant extract, in the answer for more visibility.
– VonC
Aug 1 '14 at 15:28
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Copy all files with a certain extension from all subdirectories
...r each filename that find finds, and passed the filename correctly. Here's more info on this technique.
Instead of all the above, you could use zsh and simply type
$ cp **/*.xls target_directory
zsh can expand wildcards to include subdirectories and makes this sort of thing very easy.
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Redirect to external URI from ASP.NET MVC controller
... following:
return Redirect("http://www.google.com");
Otherwise we need more info on the error you're getting in the redirect. I'd step through to make sure the url isn't empty.
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How do I flag a method as deprecated in Objective-C 2.0?
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