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Getting list of parameter names inside python function [duplicate]
...
Well we don't actually need inspect here.
>>> func = lambda x, y: (x, y)
>>>
>>> func.__code__.co_argcount
2
>>> func.__code__.co_varnames
('x', 'y')
>>>
>>> def func2(x,y=3):
... print(...
Make var_dump look pretty
...json_encode($theResult);
Copy the result you get into the JSON Editor at http://jsoneditoronline.org/ just copy it into the left side pane, click Copy > and it pretty prints the JSON in a really nice tree format.
To each their own, but hopefully this helps some others have one more nice option...
Do declared properties require a corresponding instance variable?
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Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
...vlet") // This is the URL of the servlet.
public class YourServlet extends HttpServlet { // Must be public and extend HttpServlet.
// ...
}
In case you want to support path parameters like /servlet/foo/bar, then use an URL pattern of /servlet/* instead. See also Servlet and path parameters lik...
Are global variables in PHP considered bad practice? If so, why?
...les aren't really global in PHP. The scope of a typical PHP program is one HTTP request. Session variables actually have a wider scope than PHP "global" variables because they typically encompass many HTTP requests.
Often (always?) you can call member functions in methods like preg_replace_callback...
How to set focus on input field?
...n attribute autofocus.
<input type="text" name="fname" autofocus>
http://www.w3schools.com/tags/att_input_autofocus.asp
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In Python script, how do I set PYTHONPATH?
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Why dict.get(key) instead of dict[key]?
...
It allows you to provide a default value if the key is missing:
dictionary.get("bogus", default_value)
returns default_value (whatever you choose it to be), whereas
dictionary["bogus"]
would raise a KeyError.
If omitted...
MySql Table Insert if not exist otherwise update
...plicate value in a UNIQUE index orPRIMARY KEY, MySQL performs an [UPDATE`](http://dev.mysql.com/doc/refman/5.7/en/update.html) of the old row...
The ON DUPLICATE KEY UPDATE clause can contain multiple column assignments, separated by commas.
With ON DUPLICATE KEY UPDATE, the affected-rows ...
How to overcome TypeError: unhashable type: 'list'
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