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Difference between local and global indexes in DynamoDB
...ndary index is
considered "global" because queries on the index can span all of the
data in a table, across all partitions.
Local secondary index — an index that has the same hash key as the
table, but a different range key. A local secondary index is "local"
in the sense that every p...
How do you serve a file for download with AngularJS or Javascript?
...|ftp|mailto|tel|file|blob):/);
}]);
Please note that
Each time you call createObjectURL(), a new object URL is created, even if you've already created one for the same object. Each of these must be released by calling URL.revokeObjectURL() when you no longer need them. Browsers will release t...
How to search and replace globally, starting from the cursor position and wrapping around the end of
...
Oh my god, what do all those arbitrary characters even mean. How did you learn that?
– rocky raccoon
Jun 16 '17 at 18:52
2
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Drop shadow for PNG image in CSS
...
A little late to the party, but yes, it is totally possible to create "true" dynamic drop shadows around alpha masked PNGs, using a combination of dropshadow-filter (for Webkit), SVG (for Firefox) and DX filters for IE.
.shadowed {
-webkit-filter: drop-shadow(12px 1...
Hide separator line on one UITableViewCell
...th.row != self.newCarArray.count-1){
UIImageView *line = [[UIImageView alloc] initWithFrame:CGRectMake(0, 44, 320, 2)];
line.backgroundColor = [UIColor redColor];
[cell addSubview:line];
}
for iOS 7 upper versions (including iOS 8)
if (indexPath.row == self.newCarArray.count-1) {
...
Can “this” ever be null in Java?
...g the method, but the real story is that there is no method to attempt to call.
– Claudiu
Sep 24 '10 at 17:34
5
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What is the difference between 'E', 'T', and '?' for Java generics?
...... means that foo refers to a list of some type, but we don't know what.
All of this is generics, which is a pretty huge topic. You may wish to learn about it through the following resources, although there are more available of course:
Java Tutorial on Generics
Language guide to generics
Generi...
How do I assign an alias to a function name in C++?
...
Note: there is no way to make an alias to overloaded function such that all its overloaded versions work, so you should always specify which exact function overload you want.
With C++14 you can go even further with constexpr template variables. That allows you to alias templated functions:
templ...
What is the difference between currying and partial application?
...ints that other peoples examples of currying are not currying, but are actually just partial application.
14 Answers
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Check if a temporary table exists and delete if it exists before creating a temporary table
...te to say that double dot is the default schema of the user, which is typically dbo (which isn't a great idea, making dbo the default schema for users but that's usually how it goes)
– jcollum
Oct 22 '14 at 17:45
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