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What's the difference between subprocess Popen and call (how can I use them)?
I want to call an external program from Python. I have used both Popen() and call() to do that.
2 Answers
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Timeout function if it takes too long to finish [duplicate]
...ntation that creates a decorator (save the following code as timeout.py).
from functools import wraps
import errno
import os
import signal
class TimeoutError(Exception):
pass
def timeout(seconds=10, error_message=os.strerror(errno.ETIME)):
def decorator(func):
def _handle_timeout(...
Is it possible to declare two variables of different types in a for loop?
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This answer fulfills the requirements of the answer, but from a readability POV I prefer @MK. 's answer. MK's solution even addresses the scoping by adding the curly braces.
– Trevor Boyd Smith
Jul 5 '16 at 14:54
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Reading an Excel file in python using pandas
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How do you prevent it from turning the first row into headers? I've tried using the parameter headers=Nonebut while it didn't break the code, it didn't work either.
– Elliptica
Jul 23 '16 at 1:03
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How to implement an abstract class in ruby?
...ust to chime in late here, I think that there's no reason to stop somebody from instantiating the abstract class, especially because they can add methods to it on the fly.
Duck-typing languages, like Ruby, use the presence/absence or behavior of methods at runtime to determine whether they should ...
How to pass arguments into a Rake task with environment in Rails? [duplicate]
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Just for completeness, here the example from the docs mentioned above:
task :name, [:first_name, :last_name] => [:pre_name] do |t, args|
args.with_defaults(:first_name => "John", :last_name => "Dough")
puts "First name is #{args.first_name}"
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What's the most concise way to read query parameters in AngularJS?
...ct $routeParams (requires ngRoute) into your controller. Here's an example from the docs:
// Given:
// URL: http://server.com/index.html#/Chapter/1/Section/2?search=moby
// Route: /Chapter/:chapterId/Section/:sectionId
//
// Then
$routeParams ==> {chapterId:1, sectionId:2, search:'moby'}
EDIT:...
HorizontalScrollView within ScrollView Touch Handling
...of current X coordinate and lastX, if it is larger than 0, touch is moving from left to right, otherwise right to left. And then you save the current X as lastX for next calculation.
– neevek
Aug 23 '12 at 1:25
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Set a default parameter value for a JavaScript function
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From ES6/ES2015, default parameters are in the language specification.
function read_file(file, delete_after = false) {
// Code
}
just works.
Reference: Default Parameters - MDN
Default function parameters allow for...
How to design RESTful search/filtering? [closed]
...: "123456789"
},
"order": { ... },
...
}
You are creating a search from the user's standpoint. The implementation details of this are irrelevant. Some RESTful APIs may not even need persistence. That is an implementation detail.
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