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Is there any performance reason to declare method parameters final in Java?
...lers may use final (but as others pointed out, they don't really need that info). So final is rather semantic, which is in parallel with modern C/++ compilers ability to infer constness of variables and methods even if they are not marked const explicitly.
– ron
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How to format a duration in java? (e.g format H:MM:SS)
...ormat sdf = new SimpleDateFormat("HH:mm:ss.SSS", Locale.getDefault());
log.info("Duration: " + sdf.format(new Date(duration - TimeZone.getDefault().getRawOffset())));
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NSLog with CGPoint data
...@", NSStringFromCGPoint(point));
You can also use NSString for following info :
NSStringFromCGPoint
NSStringFromCGSize
NSStringFromCGRect
NSStringFromCGAffineTransform
NSStringFromUIEdgeInsets
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How to get complete address from latitude and longitude?
....get(0).getFeatureName(); // Only if available else return NULL
For more info of available details, Look at Android-Location-Address
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How to determine if a record is just created or updated in after_save
...you need something to happen once after a new record has been saved.
More info here: http://api.rubyonrails.org/classes/ActiveRecord/Callbacks.html
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How do I declare a 2d array in C++ using new?
...gt;
#include <utility>
#include <type_traits>
#include <typeinfo>
#include <cxxabi.h>
using namespace std;
int main()
{
const auto M = 2;
const auto N = 2;
// allocate (no initializatoin)
auto array = new double[M][N];
// pollute the memory
array[0]...
Find text string using jQuery?
...in will be a jQuery object that contains any matched element. See the API information at: https://api.jquery.com/contains-selector/
One thing to note with the '*' wildcard is that you'll get all elements, including your html an body elements, which you probably don't want. That's why most of the ...
get list of pandas dataframe columns based on data type
...
use df.info(verbose=True) where df is a pandas datafarme, by default verbose=False
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Is it okay to use now?
...owsers fall back to type=text when they don't undertand the type. For more info about the other cool features you get from HTML5 forms, check out A Form of Madness, which is the forms chapter in Dive Into HTML5.
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Appending to an empty DataFrame in Pandas?
... actually that append doesn't happen in place is the most important info here ;)
– refuzee
Jun 30 '15 at 16:32
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