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JPA eager fetch does not join
...ated entities can be fetched in any one of the ways given below
SELECT => one query for root entities + one query for related mapped entity/collection of each root entity = (n+1) queries
SUBSELECT => one query for root entities + second query for related mapped entity/collection of all root ...
How do I check in SQLite whether a table exists?
... }
int count = cursor.getInt(0);
cursor.close();
return count > 0;
}
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Simplest way to wait some asynchronous tasks complete, in Javascript?
...ll, name);
});
}
)});
async.parallel(calls, function(err, result) {
/* this code will run after all calls finished the job or
when any of the calls passes an error */
if (err)
return console.log(err);
console.log(result);
});
...
Get push notification while App in foreground iOS
...Handler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void)
{
completionHandler([.alert, .badge, .sound])
}
iOS 10, Swift 2.3 :
@available(iOS 10.0, *)
func userNotificationCenter(center: UNUserNotificationCenter, willPresentNotification notification: UNNotification,...
How to do a safe join pathname in ruby?
...
I recommend using File.join
>> File.join("path", "to", "join")
=> "path/to/join"
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What does “Mass Assignment” mean in Laravel?
...e go, rather than one by one, something like:
$user = new User(request()->all());
(This is instead of explicitly setting each value on the model separately.)
You can use fillable to protect which fields you want this to actually allow for updating.
You can also block all fields from being m...
How to get Bitmap from an Uri?
...{
return null;
}
int originalSize = (onlyBoundsOptions.outHeight > onlyBoundsOptions.outWidth) ? onlyBoundsOptions.outHeight : onlyBoundsOptions.outWidth;
double ratio = (originalSize > THUMBNAIL_SIZE) ? (originalSize / THUMBNAIL_SIZE) : 1.0;
BitmapFactory.Options bitmapOptions ...
LINQ query to return a Dictionary
.../ show how to use OrderBy in a LINQ query
myClassCollection.OrderBy(mc => mc.SomePropToSortOn)
.ToDictionary(mc => mc.KeyProp.ToString(),
mc => mc.ValueProp.ToString(),
StringComparer.OrdinalIgnoreCase)...
Why don't Java's +=, -=, *=, /= compound assignment operators require casting?
...
@AkshatAgarwal ch is a char. 65 * 1.5 = 97.5 -> Got it?
– Sajal Dutta
May 5 '14 at 22:07
83
...
Custom fonts in iOS 7
...of code:
NSArray *fontFamilies = [UIFont familyNames];
for (int i = 0; i < [fontFamilies count]; i++)
{
NSString *fontFamily = [fontFamilies objectAtIndex:i];
NSArray *fontNames = [UIFont fontNamesForFamilyName:[fontFamilies objectAtIndex:i]];
NSLog (@"%@: %@", fontFamily, fontNames)...
