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class method generates “TypeError: … got multiple values for keyword argument …”
... staticmethod stops the method receiving self as a first argument. So now, if you call myfoo.foodo(thing="something"), thing="something" will be assigned to the first argument, rather than the implicit self argument.
– danio
Nov 11 '16 at 16:10
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Delete column from SQLite table
...wing query:
CREATE TABLE table_name (Column_1 TEXT,Column_2 TEXT);
=>Now insert the data into table_name from existing_table with the following query:
INSERT INTO table_name (Column_1,Column_2) FROM existing_table;
=>Now drop the existing_table by following query:
DROP TABLE existing_ta...
Why shouldn't I use mysql_* functions in PHP?
...jan Marjanovic will help you to choose.
And a better way is PDO, and I am now writing a simple PDO tutorial.
A simple and short PDO tutorial
Q. First question in my mind was: what is `PDO`?
A. “PDO – PHP Data Objects – is a database access layer providing a uniform method of access to ...
How do I get a file extension in PHP?
...uilt-in function to do that and not PHP (I am looking at Pythonistas right now :-)).
In fact, it does exist, but few people know it. Meet pathinfo():
$ext = pathinfo($filename, PATHINFO_EXTENSION);
This is fast and built-in. pathinfo() can give you other information, such as canonical path, depe...
Adding new column to existing DataFrame in Python pandas
... did it wrong (it can trigger false positives) but from 0.13.0 it let you know there are more adequate methods for the same purpose. Then, if you get the warning, just follow its advise: Try using .loc[row_index,col_indexer] = value instead
>>> df1.loc[:,'f'] = pd.Series(np.random.randn(sL...
Wait until all jQuery Ajax requests are done?
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jQuery now defines a when function for this purpose.
It accepts any number of Deferred objects as arguments, and executes a function when all of them resolve.
That means, if you want to initiate (for example) four ajax requests, t...
Python 3 ImportError: No module named 'ConfigParser'
... A moving target on this one but I use pip3 install mysql-connector. Now available from MySQL for python3 support. release at time of typing is 2.1.3.
– Longmang
Jun 7 '16 at 9:42
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Git Server Like GitHub? [closed]
...tp://getgitorious.com/
Update:
http://gitlab.org/ is another alternative now as well.
Update 2:
Gitorious has now joined with GitLab
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Reorder levels of a factor without changing order of values
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Thank you, this worked. For some strange reason ggplot now correctly changed the order in the legend, but not in the plot. Weird.
– crangos
Mar 3 '10 at 23:57
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What jsf component can render a div tag?
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I make this answer in 2011. now, I am using primefaces, and feels very good of it
– jack jin
Jan 8 '16 at 7:49
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