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TypeError: method() takes 1 positional argument but 2 were given
...- it's just that the first one is implicit, from the point of view of the caller.
This is because most methods do some work with the object they're called on, so there needs to be some way for that object to be referred to inside the method. By convention, this first argument is called self inside ...
How do I read any request header in PHP
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IF: you only need a single header, instead of all headers, the quickest method is:
<?php
// Replace XXXXXX_XXXX with the name of the header you need in UPPERCASE (and with '-' replaced by '_')
$headerStringValue = $_SERVER['HTTP_XXXXXX_XXXX'];
ELSE IF: you run PHP...
How can I open multiple files using “with open” in Python?
I want to change a couple of files at one time, iff I can write to all of them. I'm wondering if I somehow can combine the multiple open calls with the with statement:
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Defining private module functions in python
...s, a simple #define private public line before #includeing your .h file is all it takes for wily coders to make hash of your "privacy"...!-))
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Forced naming of parameters in Python
...(10, forcenamed=20)
10 20
>>> foo(10, 20)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: foo() takes exactly 1 positional argument (2 given)
This can also be combined with **kwargs:
def foo(pos, *, forcenamed, **kwargs):
...
jsonify a SQLAlchemy result set in Flask [duplicate]
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It seems that you actually haven't executed your query. Try following:
return jsonify(json_list = qryresult.all())
[Edit]: Problem with jsonify is, that usually the objects cannot be jsonified automatically. Even Python's datetime fails ;)
Wha...
Windows threading: _beginthread vs _beginthreadex vs CreateThread C++
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CreateThread() is a raw Win32 API call for creating another thread of control at the kernel level.
_beginthread() & _beginthreadex() are C runtime library calls that call CreateThread() behind the scenes. Once CreateThread() has returned, _beginthread/ex...
Does Flask support regular expressions in its URL routing?
...will be evaluated directly at runtime. This shouldn't be problematic for smaller apps (or apps that reuse regex's multiple times, I'd think) as the last couple of regex patterns are stored compiled in memory.
– bbenne10
Jul 18 '13 at 14:13
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How are Python's Built In Dictionaries Implemented?
...e).
Python dictionaries are implemented as hash tables.
Hash tables must allow for hash collisions i.e. even if two distinct keys have the same hash value, the table's implementation must have a strategy to insert and retrieve the key and value pairs unambiguously.
Python dict uses open addressin...
What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
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spl_autoload_register() allows you to register multiple functions (or static methods from your own Autoload class) that PHP will put into a stack/queue and call sequentially when a "new Class" is declared.
So for example:
spl_autoload_register('m...