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python Programming Glossary: it'sWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python I know it has something to do with introspection but it's still unclear to me. So what are metaclasses What do you use.. capable of creating objects the instances and this is why it's a class . But still it's an object and therefore you can assign.. the instances and this is why it's a class . But still it's an object and therefore you can assign it to a variable you..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained you create a list you can read its items one by one and it's called iteration mylist 1 2 3 for i in mylist ... print i 1.. as you wish but you store all the values in memory and it's not always what you want when you have a lot of values. Generators.. at 0xb7555c34 for i in mygenerator ... print i 0 1 4 Here it's a useless example but it's handy when you know your function..
What is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python different uses according to the parameters you pass to it. It's an issue due to backwards compatibility in Python type works.. lets you do something like this MyClass type 'MyClass' It's because the function type is in fact a metaclass. type is the.. metaclasses for something as trivial as the above example. It's usually for something complicated. Having the ability to make..
py2exe - generate single executable file http://stackoverflow.com/questions/112698/py2exe-generate-single-executable-file svn since the latest release 1.3 is somewhat outdated. It's been working really well for an app which depends on PyQt PyQwt..
Having Django serve downloadable files http://stackoverflow.com/questions/1156246/having-django-serve-downloadable-files file_name response 'X Sendfile' smart_str path_to_file # It's usually a good idea to set the 'Content Length' header too...
Differences between isinstance() and type() in python http://stackoverflow.com/questions/1549801/differences-between-isinstance-and-type-in-python of type s because it seamlessly supports inheritance. It's not that isinstance is good mind you it's just less bad than..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained are iterators but you can only iterate over them once . It's because they do not store all the values in memory they generate.. list but the list expands while the loop is being iterated It's a concise way to go through all these nested data even if it's..
How to get current CPU and RAM usage in Python? http://stackoverflow.com/questions/276052/how-to-get-current-cpu-and-ram-usage-in-python put a Python class together with all those code snippets. It's not that those methods are bad but is there already a well supported..
Short Description of Python Scoping Rules http://stackoverflow.com/questions/291978/short-description-of-python-scoping-rules There must be a simple reference or algorithm somewhere. It's a confusing world for intermediate Python programmers. python..
Python UnicodeDecodeError - Am I misunderstanding encode? http://stackoverflow.com/questions/368805/python-unicodedecodeerror-am-i-misunderstanding-encode do was add x93Monitoring x94 to list .decode cp1252 ignore It's unfortunate that Python 2.x includes an .encode method for strings..
Non-blocking read on a subprocess.PIPE in python http://stackoverflow.com/questions/375427/non-blocking-read-on-a-subprocess-pipe-in-python work under Windows and Linux. here is how I do it for now It's blocking on the .readline if no data is avaible p subprocess.Popen..
Ternary conditional operator in Python http://stackoverflow.com/questions/394809/ternary-conditional-operator-in-python improve this question Yes it was added in version 2.5. It's frowned upon by some pythonistas so keep that in mind. The syntax..
How to improve performance of this code? http://stackoverflow.com/questions/4295799/how-to-improve-performance-of-this-code to do this for 4 at least. That test case is still running It's been about 5 minutes now . I'll update this if and when it finishes...
http://stackoverflow.com/questions/509211/pythons-slice-notation good guide. python slice share improve this question It's pretty simple really a start end # items start through end 1..
Python's use of __new__ and __init__? http://stackoverflow.com/questions/674304/pythons-use-of-new-and-init instance. __new__ is the first step of instance creation. It's called first and is responsible for returning a new instance..
Why are Python's 'private' methods not actually private? http://stackoverflow.com/questions/70528/why-are-pythons-private-methods-not-actually-private the private methods and attributes of their superclasses. It's not designed to prevent deliberate access from outside. For..
Recommendations of Python REST (web services) framework? [closed] http://stackoverflow.com/questions/713847/recommendations-of-python-rest-web-services-framework conflation of GET and POST as if they were the same thing. It's easy to make this mistake with Django 's function based views..
Python: How do I pass a variable by reference? http://stackoverflow.com/questions/986006/python-how-do-i-pass-a-variable-by-reference change where outer_list pointed. String an immutable type It's immutable so there's nothing we can do to change the contents.. pointed. I hope this clears things up a little. EDIT It's been noted that this doesn't answer the question that @David..
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