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Instance variables vs. class variables in Python
...ing wrong, in simple cases, with simply having a single instance with no enforcement.
– Alex Martelli
Apr 26 '10 at 21:49
2
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How can I mock dependencies for unit testing in RequireJS?
...ead of loading the actual dependencies. I am using requirejs, and the code for my module looks something like this:
7 Answe...
Python circular importing?
...mport my_module syntax, rather than from my_module import some_object. The former will almost always work, even if my_module included imports us back. The latter only works if my_object is already defined in my_module, which in a circular import may not be the case.
To be specific to your case: Try...
What does character set and collation mean exactly?
...r set is a set of symbols
and encodings. A collation is a set of
rules for comparing characters in a
character set. Let's make the
distinction clear with an example of
an imaginary character set.
Suppose that we have an alphabet with
four letters: 'A', 'B', 'a', 'b'. We
give each ...
How to get body of a POST in php?
...POST_DATA as it does not
depend on special php.ini directives. Moreover, for those cases where
$HTTP_RAW_POST_DATA is not populated by default, it is a potentially
less memory intensive alternative to activating
always_populate_raw_post_data. php://input is not available with
enctype="mult...
Can't import my own modules in Python
...dule importing works in Python (I've never done it in any other language before either).
9 Answers
...
Python: using a recursive algorithm as a generator
... problem came with a natural recursive solution. Now it happens that, even for relatively small input, the sequences are several thousands, thus I would prefer to use my algorithm as a generator instead of using it to fill a list with all the sequences.
...
How to count certain elements in array?
...
Very simple:
var count = 0;
for(var i = 0; i < array.length; ++i){
if(array[i] == 2)
count++;
}
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JavaScript global event mechanism
... With the addition of msg, file_loc, line_no params this should do it for me. Thanks!
– Bob
Jun 4 '09 at 17:16
1
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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
...
The default collation for stored procedure parameters is utf8_general_ci and you can't mix collations, so you have four options:
Option 1: add COLLATE to your input variable:
SET @rUsername = ‘aname’ COLLATE utf8_unicode_ci; -- COLLATE added...