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A monad is just a monoid in the category of endofunctors, what's the problem?
...
That particular phrasing is by James Iry, from his highly entertaining Brief, Incomplete and Mostly Wrong History of Programming Languages, in which he fictionally attributes it to Philip Wadler.
The original quote is from Saunders Mac Lane in Categories for the Work...
Executing multiple commands from a Windows cmd script
... near the beginning of the EXE file). If you start a GUI-based application from the command line it always appears to end immediately since it is completely detached from the command-line. If you start a command-based program from a GUI program (like Explorer) it will always show a new command line....
What are rvalues, lvalues, xvalues, glvalues, and prvalues?
...istinction between expressions that can be moved, and in which direction.
From what I guess based on the draft, the r/l value distinction stays the same, only in the context of moving things get messy.
Are they needed? Probably not if we wish to forfeit the new features. But to allow better optim...
Functional, Declarative, and Imperative Programming [closed]
...et of declarative. On that point it depends if we differentiate "function" from "procedure". Lets handle imperative vs. declarative first.
Definition of declarative expression
The only attribute that can possibly differentiate a declarative expression from an imperative expression is the referential...
How do I compare version numbers in Python?
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Use packaging.version.parse.
>>> from packaging import version
>>> version.parse("2.3.1") < version.parse("10.1.2")
True
>>> version.parse("1.3.a4") < version.parse("10.1.2")
True
>>> isinstance(version.parse("1.3.a4"), versi...
Asynchronous method call in Python?
...nchronously with:
apply_async(func[, args[, kwds[, callback]]])
E.g.:
from multiprocessing import Pool
def f(x):
return x*x
if __name__ == '__main__':
pool = Pool(processes=1) # Start a worker processes.
result = pool.apply_async(f, [10], callback) # Evaluate "f(10)" ...
How to git-svn clone the last n revisions from a Subversion repository?
...way for me to get the latest revisions by performing Incremental Migration from SVN to Git (stackoverflow.com/questions/29161646/…)
– SabareeshSS
Mar 20 '15 at 9:35
1
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How to set layout_weight attribute dynamically from code?
... value for the attribute layout_weight for button in android dynamically from java code ?
9 Answers
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Android 4.1: How to check notifications are disabled for the application?
... I/O 2016 video.
Use NotificationManagerCompat.areNotificationsEnabled(), from support library, to check if notifications are blocked on API 19+. The versions below API 19 will return true (notifications are enabled).
sha...
Prevent direct access to a php include file
...called ".htaccess" in the directory you don't want to be accessible:
Deny from all
If you actually have full control of the server (more common these days even for little apps than when I first wrote this answer), the best approach is to stick the files you want to protect outside of the director...