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How can I format a decimal to always show 2 decimal places?
...ntize(TWOPLACES, context=Context(traps=[Inexact]))
Traceback (most recent call last):
...
Inexact: None
The next question reads
Q. Once I have valid two place inputs, how do I maintain that invariant throughout an application?
If you need the answer to that (along with lots of other useful inf...
How to add 2 buttons into the UINavigationbar on the right side without IB?
...ith iOS 5+ it's as easy as:
UIBarButtonItem *btnShare = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(share)];
UIBarButtonItem *btnRefresh = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self ...
Different ways of clearing lists
...
Clearing a list in place will affect all other references of the same list.
For example, this method doesn't affect other references:
>>> a = [1, 2, 3]
>>> b = a
>>> a = []
>>> print(a)
[]
>>> print(b)
[1, 2, 3]
B...
How do you disable viewport zooming on Mobile Safari?
I've tried all three of these to no avail:
15 Answers
15
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How to Iterate over a Set/HashSet without an Iterator?
...solution for me. I guess i have no choose, i must use Iterator. Thanks for all anyway.
– user1621988
Sep 17 '12 at 8:55
39
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What does the property “Nonatomic” mean?
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Take a look at the Apple Docs.
Basically, if you say nonatomic, and you generate the accessors using @synthesize, then if multiple threads try to change/read the property at once, badness can happen. You can get partially-written values or over-released/retaine...
Getting attributes of Enum's value
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Optionally use type.GetFields(BindingFlags.Public | BindingFlags.Static) to get all the memInfos at once.
– TrueWill
Jan 17 '11 at 19:26
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a href link for entire div in HTML/CSS
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UPDATE 06/10/2014: using div's inside a's is semantically correct in HTML5.
You'll need to choose between the following scenarios:
<a href="http://google.com">
<div>
Hello world
</div>
</a>
which is semantically incorrect, but it wil...
Feedback on using Google App Engine? [closed]
Looking to do a very small, quick 'n dirty side project. I like the fact that the Google App Engine is running on Python with Django built right in - gives me an excuse to try that platform... but my question is this:
...
Best way to alphanumeric check in JavaScript
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ñ does not fall into the pattern however fully valid UTF-8 char.
– Oybek
Apr 4 '13 at 16:35
8
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