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Why is creating a Thread said to be expensive?
...a fair bit of work involved:
A large block of memory has to be allocated and initialized for the thread stack.
System calls need to be made to create / register the native thread with the host OS.
Descriptors need to be created, initialized and added to JVM-internal data structures.
It is also e...
How to redirect output with subprocess in Python?
What I do in the command line:
5 Answers
5
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Proxies with Python 'Requests' module
... specify different (or the same) proxie(s) for requests using http, https, and ftp protocols:
http_proxy = "http://10.10.1.10:3128"
https_proxy = "https://10.10.1.11:1080"
ftp_proxy = "ftp://10.10.1.10:3128"
proxyDict = {
"http" : http_proxy,
"https" : https_proxy...
Importing modules from parent folder
...ked out. However, to make it more explicit, the procedure is to import sys and then sys.path.append("..\<parent_folder>")
– BCJuan
Nov 20 '19 at 16:12
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In Python script, how do I set PYTHONPATH?
I know how to set it in my /etc/profile and in my environment variables.
6 Answers
6
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How can I install Apache Ant on Mac OS X?
I tried to install Apache Ant on my Mac and I followed the next steps :
8 Answers
8
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How do arrays in C# partially implement IList?
...() call fails for a concrete array type with "Interface not found". Yet a cast to IEnumerable<> works without a problem.
This is quacks-like-a-duck typing. It is the same kind of typing that creates the illusion that every value type derives from ValueType which derives from Object. Both t...
Convert list to array in Java [duplicate]
...converts the original ArrayList to an array using the newly created one
It casts that array into a Long array (Long[]), which I appropriately named 'array'
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Clear terminal in Python [duplicate]
Does any standard "comes with batteries" method exist to clear the terminal screen from a Python script, or do I have to go curses (the libraries, not the words)?
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Getting the current Fragment instance in the viewpager
...ager.getCurrentItem());
// based on the current position you can then cast the page to the correct
// class and call the method:
if (ViewPager.getCurrentItem() == 0 && page != null) {
((FragmentClass1)page).updateList("new item");
}
return true;
Please ...