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How to scale threads according to CPU cores?
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Option 1:
newWorkStealingPool from Executors
public static ExecutorService newWorkStealingPool()
Creates a work-stealing thread pool using all available processors as its target parallelism level.
With this API, you don't need to pass number of co...
How to get screen dimensions as pixels in Android
... want to programmatically place them to the upper right corner ( n pixels from the top edge and m pixels from the right edge). Therefore I need to get the screen width and screen height and then set position:
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Call one constructor from another
...method other than the constructor example init(). You can call this method from any of your constructors.
– Abdullah Shoaib
Aug 4 '16 at 7:35
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How to present a simple alert message in java?
Coming from .NET i am so used calling Alert() in desktop apps. However in this java desktop app, I just want to alert a message saying "thank you for using java" I have to go through this much suffering:
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List goals/targets in GNU make that contain variables in their definition
...ge makefile that creates a number of targets on the fly by computing names from variables. (eg foo$(VAR) : $(PREREQS)). Is there any way that gnu make can be convinced to spit out a list of targets after it has expanded these variables?
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How to check if a variable is a dictionary in Python?
...ery few use-cases in Python that require explicit typechecking - most stem from inheriting a bad implementation to begin with ('god object's, overriding standard library/language constructs, etc.) The original question is itself an XY problem. Why does the OP need to check type? Because according to...
What does void mean in C, C++, and C#?
Looking to get the fundamentals on where the term " void " comes from, and why it is called void. The intention of the question is to assist someone who has no C experience, and is suddenly looking at a C-based codebase.
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Unexpected Caching of AJAX results in IE8
I'm having a serious issue with Internet Explorer caching results from a JQuery Ajax request.
10 Answers
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How do I pass a string into subprocess.Popen (using the stdin argument)?
...cking the child
process.
So your example could be written as follows:
from subprocess import Popen, PIPE, STDOUT
p = Popen(['grep', 'f'], stdout=PIPE, stdin=PIPE, stderr=STDOUT)
grep_stdout = p.communicate(input=b'one\ntwo\nthree\nfour\nfive\nsix\n')[0]
print(grep_stdout.decode())
# -> ...
How to dismiss keyboard for UITextView with return key?
...way to resolve this because you're restricting user to use enter to go out from keyboard. Probably the best way is adding a button that execute resignFirstResponder method.
– Ele
Nov 7 '13 at 21:56
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