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Convert string with comma to integer
...nswer. It's way much better than mine. In fact i was hoping there would be one call instead of two. like: "1,112".to_money. After reviewing the answers, it's likely there's no such method. Anyway, thanks so much!
– mCY
Jul 16 '12 at 8:55
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How do I include negative decimal numbers in this regular expression?
...n optional hyphen at the beginning by adding -? (? is a quantifier meaning one or zero occurrences):
^-?[0-9]\d*(\.\d+)?$
I verified it in Rubular with these values:
10.00
-10.00
and both matched as expected.
share
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Good examples of MVVM Template
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Unfortunately there is no one great MVVM example app that does everything, and there are a lot of different approaches to doing things. First, you might want to get familiar with one of the app frameworks out there (Prism is a decent choice), because ...
C++ Tuple vs Struct
...out tuple and struct and I write some simple benchmarks with the help from one of my colleague to identify the differences in term of performance between tuple and struct. We first start with a default struct and a tuple.
struct StructData {
int X;
int Y;
double Cost;
std::string L...
Android: AsyncTask vs Service
...mplish the same task with either an AsyncTask or a Service however usually one is better suited to a task than the other.
AsyncTasks are designed for once-off time-consuming tasks that cannot be run of the UI thread. A common example is fetching/processing data when a button is pressed.
Services a...
Set Page title using UI-Router
...) }">
// will set the <li> to active whenever 'contacts.list' or one of its
// decendents is active.
.run([ '$rootScope', '$state', '$stateParams',
function ($rootScope, $state, $stateParams) {
$rootScope.$state = $state;
$rootScope.$stateParams = $stateParams;
}])
With this define...
Java naming convention for static final variables [duplicate]
... and final
variables of class types may conventionally be, a sequence of one or
more words, acronyms, or abbreviations, all uppercase, with components
separated by underscore "_" characters. Constant names should be
descriptive and not unnecessarily abbreviated. Conventionally they may
be ...
Is it worth using Python's re.compile?
...ekey = (type(key[0]),) + key
p = _cache.get(cachekey)
if p is not None: return p
# ...
# Does actual compilation on cache miss
# ...
# Caches compiled regex
if len(_cache) >= _MAXCACHE:
_cache.clear()
_cache[cachekey] = p
return p
I still often pre-...
What must I know to use GNU Screen properly? [closed]
... Screen utility, the same things that you'd think worthwhile to teach someone, a beginner, from the ground up. What are some analogies and handy tips for remembering binds, etc.?
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Commenting in a Bash script inside a multiline command
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I verified that versions one and two work. However, can you explain why they do and what is going on here? Thanks.
– Faheem Mitha
Aug 21 '11 at 13:50
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