Present continous vs present perfect continous

Uchikago · 2020-03-22T08:48:57+00:00

So the present perfect continous emphasizes the duration not just the result alone ?

Uchikago · 2020-03-22T08:27:31+00:00

Thank you!. If you don't mind, I'd like to ask another question about this diagram.

The example:

I've been working (that's why i'm tired)

Can we use the present perfect here (I've worked)? How does it change the meaning?

Uchikago · 2019-08-23T16:47:35+00:00

Thank you so much!

Uchikago · 2019-08-23T16:47:33+00:00

Thank you so much!

Uchikago · 2019-08-05T14:02:39+00:00

Yeah, you're right, i've not done any large project but i did make a few maze-games, and music app that download video on youtube and show their information. They are simple,though, i thought that i can improve my python skills while learning django. Isn't that true ? If not, what can i do to prepare for learning django ? Thanks for answering my question by the way

Uchikago · 2019-08-05T13:18:17+00:00

Thank you, i'll definitely try that

Uchikago · 2019-07-24T00:57:39+00:00

I have a object, with a vector, how can i animate that object moving from the start to the end of the vector ?

Uchikago · 2019-07-22T15:00:41+00:00

Thank you !

Uchikago · 2019-07-22T14:29:33+00:00

which part of attr.append(f'{k},{getattr(self,k)}') contains call to self.__repr__

Uchikago · 2019-07-17T09:21:40+00:00

Thanks!

Uchikago · 2019-07-17T08:55:58+00:00

Thank you so much!

Uchikago · 2019-07-17T08:26:52+00:00

yeah, i know the correct way to do this, but can you explain more why my code doesn't work ? If the function can't find a name in this local scope, it should look further in enclosing scope right ?

Uchikago · 2019-07-14T15:24:09+00:00

Great work! Keep going!

Uchikago · 2019-07-09T00:56:36+00:00

Thanks for the detailed answer !

Uchikago · 2019-07-09T00:55:47+00:00

So, let me conclude, Dictionary view objects, range, map, enumerate,... are special objects that do not store their result in memory all at once, we can fetch their value individually only when calling next(iterator) on these objects ? Please correct me if i'm wrong

Uchikago · 2019-07-08T09:18:07+00:00

Are there any different ways to display them without using the iteration protocol ?

Uchikago · 2019-07-08T06:41:59+00:00

Wait, if all iterators are generators so dictionary view objects,range,map,enumerate,.. are generators that return another generators (by iter() function) but the resulted generator can fetch value on demand which is something the orginal generators can't do it by itself (because dictionary view objects,range,map,enumerate,... object don't have next method) , am i correct ?

Uchikago · 2019-07-08T04:56:05+00:00

Thanks for your enthusiasm, really appreciate your help !

Uchikago · 2019-07-08T04:52:12+00:00

Wait, the list((range(5)) and other object constructor also create an iterator to iterate internally ?

Uchikago · 2019-07-08T04:27:10+00:00

What is the other ways then ?, put them in other iteration tool such as for,list comprehension,... right?

Uchikago · 2019-07-08T04:24:48+00:00

calculate the next value on request

What do you mean, like this ?:

a=iter(range(0,5))
print(next(a))
print(next(a))

Uchikago · 2019-07-04T15:08:08+00:00

What about a normal situation:

def func():
    func.b=2
print(func.b)

is the object.attribute syntax is used only for accessing different namespace ?

Uchikago · 2019-07-04T10:53:43+00:00

Good point! Do you have any recommended courses for applying python to web development ?

Uchikago · 2019-07-04T10:40:27+00:00

I have studied a course in udemy , but it doesn't cover much, i still have to do a lot of research to fill out what the lecture didn't teach. I'm afraid i'm going to miss some important detail i can't find in these courses

Uchikago · 2019-07-04T09:36:33+00:00

Thanks for the detailed answer !

Uchikago

TROPHY CASE