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Get the current script file name

... Just use the PHP magic constant __FILE__ to get the current filename. But it seems you want the part without .php. So... basename(__FILE__, '.php'); A more generic file extension remover would look like this... function chopExtension($filename) { ...
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Python, creating objects

... "" # The class "constructor" - It's actually an initializer def __init__(self, name, age, major): self.name = name self.age = age self.major = major def make_student(name, age, major): student = Student(name, age, major) return student Note that even tho...
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Does Flask support regular expressions in its URL routing?

...flask import Flask from werkzeug.routing import BaseConverter app = Flask(__name__) class RegexConverter(BaseConverter): def __init__(self, url_map, *items): super(RegexConverter, self).__init__(url_map) self.regex = items[0] app.url_map.converters['regex'] = RegexConverter ...
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How to do relative imports in Python?

...answering the question. The problem is that you're running the module as '__main__' by passing the mod1.py as an argument to the interpreter. From PEP 328: Relative imports use a module's __name__ attribute to determine that module's position in the package hierarchy. If the module's name does...
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Asking the user for input until they give a valid response

...rsed. while True: try: # Note: Python 2.x users should use raw_input, the equivalent of 3.x's input age = int(input("Please enter your age: ")) except ValueError: print("Sorry, I didn't understand that.") #better try again... Return to the start of the loop ...
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Is errno thread-safe?

... @vinit dhatrak There should be # if !defined _LIBC || defined _LIBC_REENTRANT , _LIBC is not defined when compiling normal programs. Anyway, run echo #include <errno.h>' | gcc -E -dM -xc - and look at the difference with and without -pthread. errno is #define er...
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What is the most efficient way of finding all the factors of a number in Python?

...om functools import reduce def factors(n): return set(reduce(list.__add__, ([i, n//i] for i in range(1, int(n**0.5) + 1) if n % i == 0))) This will return all of the factors, very quickly, of a number n. Why square root as the upper limit? sqrt(x) * sqrt(x) = x. So if t...
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BaseException.message deprecated in Python 2.6

...s that only a single string argument be passed to the constructor.""" __str__ and __repr__ are already implemented in a meaningful way, especially for the case of only one arg (that can be used as message). You do not need to repeat __str__ or __init__ implementation or create _get_message as s...
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What is the meaning of single and double underscore before an object name?

...owever, nothing special is done with the name itself. To quote PEP-8: _single_leading_underscore: weak "internal use" indicator. E.g. from M import * does not import objects whose name starts with an underscore. Double Underscore (Name Mangling) From the Python docs: Any identifier of th...
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How can you make a custom keyboard in Android?

...iew android:id="@+id/keyboardview" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_centerHorizontal="true" android:focusable="true" ...