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Cannot kill Python script with Ctrl-C
...blem - once the main thread has started your threads, there's nothing else for it to do. So it exits, and the threads are destroyed instantly. So let's keep the main thread alive:
import time
while True:
time.sleep(1)
Now it will keep print 'first' and 'second' until you hit Ctrl+C.
Edit: as...
Can a decorator of an instance method access the class?
...omething like this (warning: untested code).
def class_decorator(cls):
for name, method in cls.__dict__.iteritems():
if hasattr(method, "use_class"):
# do something with the method and class
print name, cls
return cls
def method_decorator(view):
# mark the...
Access multiple elements of list knowing their index
...
+1 for mentioning that c = [a[i] for i in b] is perfectly fine. Note that the itemgetter solution will not do the same thing if b has less than 2 elements.
– flornquake
Aug 16 '13 at 11:35...
Declaring variables inside or outside of a loop
....
So, since str is not used outside the loop, the smallest possible scope for str is within the while loop.
So, the answer is emphatically that str absolutely ought to be declared within the while loop. No ifs, no ands, no buts.
The only case where this rule might be violated is if for some reaso...
Importing modules from parent folder
...
For me this answer has worked 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
...
python: How do I know what type of exception occurred?
...e care to do none of those things, it's OK to catch the generic exception. For instance, you could provide information about the exception to the user another way, like:
Present exceptions as dialogs in a GUI
Transfer exceptions from a worker thread or process to the controlling thread or process ...
How do I create a namespace package in Python?
...s useful when you want to release related libraries as separate downloads. For example, with the directories Package-1 and Package-2 in PYTHONPATH ,
...
How do I calculate the date in JavaScript three months prior to today?
I Am trying to form a date which is 3 months before the current date. I get the current month by the below code
15 Answers
...
Good example of livelock?
...le (isHungry) {
// Don't have the spoon, so wait patiently for spouse.
if (spoon.owner != this) {
try { Thread.sleep(1); }
catch(InterruptedException e) { continue; }
continue;
} ...
ObjectiveC Parse Integer from String
...
Just for us noobs out there coming from other languages, [myStringContainingInt intValue]; can also be written like myStringContainingInt.intValue;
– ToddBFisher
Jan 29 '12 at 6:14
...