大约有 1,900 项符合查询结果（耗时：0.0221秒） [XML]
Convert array of strings to List
...seems to be available only in .Net 3.5+ . I'm working with .NET Framework 2.0 on an ASP.NET project that can't be upgraded at this time, so I was wondering: is there another solution? One that is more elegant than looping through the array and adding each element to this List (which is no problem; ...
Difference between DateTime and Time in Ruby
...
Newer versions of Ruby (2.0+) do not really have significant differences between the two classes. Some libraries will use one or the other for historical reasons, but new code does not necessarily need to be concerned. Picking one for consistency is...
Is there a Python function to determine which quarter of the year a date is in?
...ent through the float function to get this to work math.ceil(float(4)/3) = 2.0 while math.ceil(4/3) = 1.0
– Theo Kouzelis
Mar 31 '17 at 16:23
1
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throwing an exception in objective-c/cocoa
...tions that may occur in normal operation.
Apple's documentation for Obj-C 2.0 states the following: "Important: Exceptions are resource-intensive in Objective-C. You should not use exceptions for general flow-control, or simply to signify errors (such as a file not being accessible)"
Apple's conce...
How to convert latitude or longitude to meters?
..._deg_lat, m_per_deg_lon, deltaLat, deltaLon,dist_m;
latMid = (Lat1+Lat2 )/2.0; // or just use Lat1 for slightly less accurate estimate
m_per_deg_lat = 111132.954 - 559.822 * cos( 2.0 * latMid ) + 1.175 * cos( 4.0 * latMid);
m_per_deg_lon = (3.14159265359/180 ) * 6367449 * cos ( latMid );
deltaL...
How to handle back button in activity
...return true;
}
return super.onKeyDown(keyCode, event);
}
Android 2.0 introduced a new onBackPressed method, and these recommendations on how to handle the Back button
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Cell spacing in UICollectionView
...t minimumInteritemSpacingForSectionAtIndex:(NSInteger)section {
return 2.0;
}
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section {
return 2.0;
}
// Layout: Set Edges
- (UIE...
CSV API for Java [closed]
...that the dependency code on official website contains version declaration "2.0" which has some bugs, but there is updated version 2.3 in repositories.
– broundee
Jul 16 '12 at 6:15
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How do I mock a service that returns promise in AngularJS Jasmine unit test?
...rnValue(deferred.promise) (or and.returnValue(deferred.promise) in Jasmine 2.0+). You need to define deferred before you call spyOn, of course.
– Jordan Running
Nov 7 '14 at 18:51
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Error while installing json gem 'mkmf.rb can't find header files for ruby'
...rn era update, as stated by mimoralea:
In case that you are using ruby 2.0 or 2.2 (thanks @patrick-davey).
sudo apt-get install ruby2.0-dev
sudo apt-get install ruby2.2-dev
sudo apt-get install ruby2.3-dev
or, generic way:
sudo apt-get install ruby-dev
or
sudo apt-get install ruby`r...