大约有 15,600 项符合查询结果（耗时：0.0357秒） [XML]
How to show the loading indicator in the top status bar
...eProcessQueue completionHandler:^(NSURLResponse *response, NSData *data, NSError *error)
{
[[RMActivityIndicator sharedManager]decreaseActivity];
}
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Lists: Count vs Count() [duplicate]
...rable<TSource> source)
{
if (source == null)
{
throw Error.ArgumentNull("source");
}
ICollection<TSource> is2 = source as ICollection<TSource>;
if (is2 != null)
{
return is2.Count;
}
int num = 0;
using (IEnumerator<TSource> ...
Rails: select unique values from a column
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This throws an error with Rails 5.1 / AR 5.1 => undefined method `uniq'
– Graham Slick
Aug 11 '17 at 12:06
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send mail from linux terminal in one line [closed]
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In case you are using gmail and still you are getting some authentication error then you need to change setting of gmail:
Turn on Access for less secure apps from here
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How to reverse a 'rails generate'
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rails destroy controller Controller_name was returning a bunch of errors. To be able to destroy controller I had to remove related routes in routes.rb. P.S. I'm using rails 3.1
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Disable cross domain web security in Firefox
...h: {
// Enable this if you encounter unexpected SSL certificate errors in Firefox
acceptInsecureCerts: true,
'moz:firefoxOptions': {
args: [
// '-headless',
// '-verbose'
],
}
}
}
...
How to jump to top of browser page
...lain JS: window.scrollTop=0;
Unfortunately, scroll() and scrollTo() throw errors in Edge.
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UIRefreshControl on UICollectionView only works if the collection fills the height of the container
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Const gives an error of undefined variable. if someone encounters the same situation just replace it with UIColor.whiteColor() or whatever color you like.
– Faisal
May 13 '16 at 5:04
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Java: Equivalent of Python's range(int, int)?
... result[i] = start+i;
return result;
}
Forgive any syntax or style errors; I normally program in C#.
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How to Select Every Row Where Column Value is NOT Distinct
...ss] must appear in the GROUP BY clause or be used in an aggregate function error. Is the only fix - editing the sql_mode?
– Volodymyr Bobyr
Jul 16 at 16:21
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