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What does the Java assert keyword do, and when should it be used?
... @hoodaticus you mean solely the fact that I can turn on/off all assertions for prod code is the reason? Because I can do complex data validation anyways and then handle it with exceptions. If I have production code, I could turn off the complex (and maybe expensive) assertions, becaus...
Design for Facebook authentication in an iOS app that also accesses a secured web service
Goal:
Allow a user to authentication with Facebook into an iOS application which requires access to a protected web service that I'm running.
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How do I pass a string into subprocess.Popen (using the stdin argument)?
...l command and get its exit status, and its output as a string back in one call:
#!/usr/bin/env python3
from subprocess import run, PIPE
p = run(['grep', 'f'], stdout=PIPE,
input='one\ntwo\nthree\nfour\nfive\nsix\n', encoding='ascii')
print(p.returncode)
# -> 0
print(p.stdout)
# -> fo...
Understanding the Rails Authenticity Token
...ares it to the one stored in the session, and if they match the request is allowed to continue.
Why it happens
Since the authenticity token is stored in the session, the client cannot know its value. This prevents people from submitting forms to a Rails app without viewing the form within that app...
Can I use CoffeeScript instead of JS for node.js?
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To install coffee sudo npm install -g coffee-script
– Dmitry Polushkin
Nov 6 '13 at 12:44
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What is the difference between “git branch” and “git checkout -b”?
... does the same thing.
How do these two commands differ, if they differ at all?
7 Answers
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std::auto_ptr to std::unique_ptr
...As for other differences, unique_ptr can handle arrays correctly (it will call delete[], while auto_ptr will attempt to call delete.
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“Java DateFormat is not threadsafe” what does this leads to?
...ava DateFormat not being thread safe and I understand the concept theoretically.
11 Answers
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How do I prevent Android taking a screenshot when my app goes to the background?
...ar overflow, etc. — will be insecure. You can fix the Dialog problem by calling getWindow() on it and setting FLAG_SECURE. The rest... gets tricky. See this blog post for more.
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Remove trailing newline from the elements of a string list
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The Cito comment is actually the one that deserves the most rep. map and comprehension lists are not equivalent in OOP, because we are passe methods, not functions.
– e-satis
Oct 1 '12 at 8:22
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