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What is a provisioning profile used for when developing iPhone applications?
What is the purpose of a provisioning profile and why is it needed when developing an iPhone application? If I don't have a provisioning profile, what happens?
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Use different Python version with virtualenv
... edited Dec 4 '18 at 19:54
wjandrea
12.3k55 gold badges2424 silver badges4747 bronze badges
answered Oct 7 '09 at 21:33
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Java inner class and static nested class
What is the main difference between an inner class and a static nested class in Java? Does design / implementation play a role in choosing one of these?
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How to overload the operator++ in two different ways for postfix a++ and prefix ++a?
How to overload the operator++ in two different ways for postfix a++ and prefix ++a ?
5 Answers
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Maximum MIMEType Length when storing type in DB
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According to RFC 4288 "Media Type Specifications and Registration Procedures", type (eg. "application") and subtype (eg "vnd...") both can be max 127 characters. You do the math :)
Edit: Meanwhile, that document has been obsoleted by RFC 6838, which does not alter the maxi...
Transparent ARGB hex value
...und color.
To get a fully transparent color set the alpha to zero. RR, GG and BB are irrelevant in this case because no color will be visible. This means #00FFFFFF ("transparent White") is the same color as #00F0F8FF ("transparent AliceBlue").
To keep it simple one chooses black (#00000000) or whit...
How to detect shake event with android?
How can I detect a shake event with android? How can I detect the shake direction?
9 Answers
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How do I remove a substring from the end of a string in Python?
...t mean "remove this substring". x.strip(y) treats y as a set of characters and strips any characters in that set from the ends of x.
Instead, you could use endswith and slicing:
url = 'abcdc.com'
if url.endswith('.com'):
url = url[:-4]
Or using regular expressions:
import re
url = 'abcdc.co...
Rails 3 migrations: Adding reference column?
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EDIT: This is an outdated answer and should not be applied for Rails 4.x+
You don't need to add references when you can use an integer id to your referenced class.
I'd say the advantage of using references instead of a plain integer is that the model will ...
ansible: lineinfile for several lines?
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MAKE SURE you have the argument to line= and regexp= in quotes. I did not, and I kept getting msg: this module requires key=value arguments. The example given does have this correct -- I just didn't follow the example.
– JDS
N...