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Decorators with parameters?
...turn repl
return layer
This can be applied to a regular decorator in order to add parameters. So for instance, say we have the decorator which doubles the result of a function:
def double(f):
def aux(*xs, **kws):
return 2 * f(*xs, **kws)
return aux
@double
def function(a):
...
How to set versionName in APK filename using gradle?
...e teacher of the course: "there is an option where you can use commands in order to change the name of the generated files". Therefore, the approach to use from Xamarin must be different to the one I wrote for Android Studio, sorry.
– Fer
Dec 2 '16 at 9:38
...
Remove characters except digits from string using Python?
...op
is 50% slower than RE, so the .translate approach beats it by over an order of magnitude.
In Python 3, or for Unicode, you need to pass .translate a mapping (with ordinals, not characters directly, as keys) that returns None for what you want to delete. Here's a convenient way to express this ...
How to copy a row and insert in same table with a autoincrement field in MySQL?
... AND table_name = _tableName AND FIND_IN_SET(COLUMN_NAME,@omitColumns) = 0 ORDER BY ORDINAL_POSITION INTO @columns;
SET @sql = CONCAT('INSERT INTO ', _tableName, '(', @columns, ')',
'SELECT ', @columns,
' FROM ', _schemaName, '.', _tableName, ' ', _whereClause);
PREPARE stmt1 FROM @sql;
...
What are the differences between vector and list data types in R?
...
As someone who's just gotten into R, but comes from a C/Java/Ruby/PHP/Python background, here's how I think of it.
A list is really an array + a hashmap. It's a PHP associative array.
> foo = list(bar='baz')
> foo[1]
'baz'
> foo$bar
'baz'
> foo[['bar']]
'baz'
A vector is a f...
What is the difference between “ is None ” and “ ==None ”
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Find UNC path of a network drive?
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Understanding the difference between __getattr__ and __getattribute__
...est' superclass (formally, the next class in the class's Method Resolution Order, or MRO) to the current object self and then calls it and lets that do the work.
All of this trouble is avoided by using __getattr__ which lets Python do it's normal thing until an attribute isn't found. At that point,...
Can't pickle when using multiprocessing Pool.map()
...code is pickling and unpickling in a loop, due to slight changes I made in order to make Steven's code OO'd?
– ventolin
Nov 30 '09 at 2:08
1
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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
...ified stamp and row version on my entities, so I was getting them first in order to compare with the inbound headers. Of course, this loaded and tracked the entity that was subsequently being updated.
The fix was simply to change the repository from newing-up a context once in the constructor to ha...