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Thread: Numpy reshape
Post: Numpy reshape
I tried to reshape a 3-D matrix using two different ways.
If the end result is 1-D the two methods match
If the end result is 2-D the two method fails
this code works
a=np.random.randn(3,3,2)
b1 = ... |
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mr_byte31 |
General Coding Help |
1 |
1,078 |
Apr-22-2022, 02:10 PM |
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Thread: execute commands inside a running application
Post: RE: execute commands inside a running application
(Apr-11-2022, 08:39 PM)Larz60+ Wrote: see: https://python-forum.io/thread-35651-pos...#pid150540Thx anyway.
I already saw it before I wrote the thread.
the post you send, connects the device via tty... |
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mr_byte31 |
General Coding Help |
3 |
1,294 |
Apr-12-2022, 08:06 AM |
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Thread: execute commands inside a running application
Post: execute commands inside a running application
I have an application that execute AT commands on certain device via USB.
First I have to open Terminal, run the application via command line then start to execute AT commands.
Output:> connectDe... |
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mr_byte31 |
General Coding Help |
3 |
1,294 |
Apr-11-2022, 12:47 PM |
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Thread: Process doesn't work but Thread work !
Post: RE: Process doesn't work but Thread work !
I got it.
the code doesn't work on IDLE.
I ran it from command line and it works ! |
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mr_byte31 |
General Coding Help |
4 |
2,555 |
Oct-18-2021, 06:29 PM |
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Thread: Process doesn't work but Thread work !
Post: RE: Process doesn't work but Thread work !
(Oct-18-2021, 05:54 PM)buran Wrote: the second snippet works for me. I get
Output:start sleeping 5
start sleeping 4
start sleeping 3
end sleeping 3
start sleeping 2
end sleeping 4
start sleep... |
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mr_byte31 |
General Coding Help |
4 |
2,555 |
Oct-18-2021, 06:17 PM |
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Thread: Process doesn't work but Thread work !
Post: Process doesn't work but Thread work !
I am just learning to work with multi threads/process.
I wrote this code and it works well:
import time
import concurrent.futures
numThreads = 3
def do_something(sec):
print('start sleeping ',se... |
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mr_byte31 |
General Coding Help |
4 |
2,555 |
Oct-18-2021, 05:25 PM |
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Thread: Mult-threading and locking file
Post: RE: Mult-threading and locking file
(Oct-15-2021, 06:06 PM)Larz60+ Wrote: I wrote a tutorial on automatically creating a database from csv files.
Note: Project uses sqlite database. Other DBMS can be used with a simple change to the m... |
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mr_byte31 |
General Coding Help |
4 |
2,520 |
Oct-15-2021, 06:50 PM |
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Thread: function that run once for all objects
Post: RE: function that run once for all objects
@deanhystad, this seem to work fine !
thanks |
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mr_byte31 |
General Coding Help |
10 |
4,783 |
Oct-15-2021, 04:03 PM |
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Thread: Mult-threading and locking file
Post: Mult-threading and locking file
I had a code which is running correctly but I feel it is not a professional code. I want your opinion to enhance it.
Code :
I create a lot of threads to web scrap some information that I am interest... |
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mr_byte31 |
General Coding Help |
4 |
2,520 |
Oct-15-2021, 02:35 PM |
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Thread: function that run once for all objects
Post: RE: function that run once for all objects
(Oct-14-2021, 03:22 PM)ndc85430 Wrote: You still haven't explained why you want to do this, or what's wrong with calling a method on the instance you want to use. It sounds like you've come up with ... |
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mr_byte31 |
General Coding Help |
10 |
4,783 |
Oct-14-2021, 05:03 PM |
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Thread: function that run once for all objects
Post: RE: function that run once for all objects
Thanks, I am aware about the __init__ method.
I was thinking there is a specific magic method for this purpose. |
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mr_byte31 |
General Coding Help |
10 |
4,783 |
Oct-14-2021, 01:02 PM |
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Thread: Inheritance vs Instantiation for Python classes
Post: RE: Inheritance vs Instantiation for Python classe...
you explained it very well to me.
thanks.
I am coming from C language background and it is sometimes not easy to accept OOP concepts. |
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mr_byte31 |
General Coding Help |
7 |
2,789 |
Oct-14-2021, 12:58 PM |
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Thread: function that run once for all objects
Post: function that run once for all objects
I create a class and I added a code that download a file and parse it in the __init__ .
for each object I create an object from my class it calls the init method.
what I want is to automatically call... |
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mr_byte31 |
General Coding Help |
10 |
4,783 |
Sep-30-2021, 07:15 PM |
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Thread: Inheritance vs Instantiation for Python classes
Post: RE: Inheritance vs Instantiation for Python classe...
I didn't invent the examples. I just copied them
I provided them to show the way they get written.
someone can instantiate an object and get all functionality from methods and add his functionality a... |
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mr_byte31 |
General Coding Help |
7 |
2,789 |
Sep-23-2021, 04:48 PM |
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Thread: imaginary number i
Post: RE: imaginary number i
(Sep-23-2021, 03:59 PM)deanhystad Wrote: The reason -1**0.5 == -1 is that ** has higher precedence than unary -.
The reason (-1)**5 ~= 1j is that the parenthesis change the order of operations. Un... |
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mr_byte31 |
General Coding Help |
8 |
2,340 |
Sep-23-2021, 04:28 PM |
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Thread: Inheritance vs Instantiation for Python classes
Post: RE: Inheritance vs Instantiation for Python classe...
I understand what you said
some one can instantiate an object from a class and start to use its method to extend the functionality of other class.
still inheritance was not needed ! |
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mr_byte31 |
General Coding Help |
7 |
2,789 |
Sep-23-2021, 04:21 PM |
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Thread: imaginary number i
Post: RE: imaginary number i
then why the first one not correct??
>>> -1 ** 0.5
-1.0 |
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mr_byte31 |
General Coding Help |
8 |
2,340 |
Sep-23-2021, 04:01 PM |
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Thread: Inheritance vs Instantiation for Python classes
Post: Inheritance vs Instantiation for Python classes
I know the meaning of Instantiation and Inheritance.
I can inherit a class and use it methods and attributes.
I also can instantiate a class and still can use the same methods and attributes !!
I am ... |
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mr_byte31 |
General Coding Help |
7 |
2,789 |
Sep-23-2021, 12:31 PM |
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Thread: imaginary number i
Post: imaginary number i
I was trying the following commands :
>>> -1 ** 0.5
-1.0
>>> (-1) ** 0.5
(6.123233995736766e-17+1j)I was expecting "1j" , "1i" or "i"
I am just surprised to find different values... |
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mr_byte31 |
General Coding Help |
8 |
2,340 |
Sep-23-2021, 12:08 PM |
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Thread: multithreading issue with output
Post: RE: multithreading issue with output
just wrong post that was deleted |
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mr_byte31 |
General Coding Help |
4 |
3,147 |
Sep-06-2019, 03:20 PM |