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Are static fields inherited?
...;
int A::MaxHP = 23;
class Cat: A
{
public:
static const int MaxHP = 100;
};
works fine and with different values for A::MaxHP and Cat::MaxHP -- in this case the subclass is "not inheriting" the static from the base class, since, so to speak, it's "hiding" it with its own homonymous one.
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How to properly document S4 class slots using Roxygen2?
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30
Updated answer for Roxygen2 5.0.1, current as of 6.0.1
For S4, the best practice now is documen...
PHP code to convert a MySQL query to CSV [closed]
...;
(the documentation for this is here: http://dev.mysql.com/doc/refman/5.0/en/select.html)
or:
$select = "SELECT * FROM table_name";
$export = mysql_query ( $select ) or die ( "Sql error : " . mysql_error( ) );
$fields = mysql_num_fields ( $export );
for ( $i = 0; $i < $fields; $i++ )
{
...
Transpose/Unzip Function (inverse of zip)?
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802
zip is its own inverse! Provided you use the special * operator.
>>> zip(*[('a', 1), ...
How to use timeit module
...random
random.seed('slartibartfast')
s = [random.random() for i in range(1000)]
timsort = list.sort
'''
>>> print min(timeit.Timer('a=s[:]; timsort(a)', setup=setup).repeat(7, 1000))
0.334147930145
Note that the series of statements makes a fresh copy of the unsorted data on every pass....
How can we prepend strings with StringBuilder?
...
Using the insert method with the position parameter set to 0 would be the same as prepending (i.e. inserting at the beginning).
An example is: varStringBuilder.insert(0, "someThing");
It works both for C# and Java
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Return Boolean Value on SQL Select Statement
...SELECT CASE WHEN EXISTS (
SELECT *
FROM [User]
WHERE UserID = 20070022
)
THEN CAST(1 AS BIT)
ELSE CAST(0 AS BIT) END
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Insert a line break in mailto body
I would like to insert a line break into my mailto body.
I tried %0A, %0D and %0D%0A. Nothing worked for me.
I tested on Gmail, Yahoo, Apple Mail, Outlook 2010, Outlook.com and Thunderbird with Google Chrome on Mac OSX.
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how to listen to N channels? (dynamic select statement)
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edited Feb 29 at 11:09
Zac
31744 silver badges1313 bronze badges
answered Nov 15 '13 at 2:37
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Using CSS for a fade-in effect on page load
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+50
Method 1:
If you are looking for a self-invoking transition then you should use CSS 3 Animations. They aren't supported either, but ...