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Which Java Collection should I use?
In this question How can I efficiently select a Standard Library container in C++11? is a handy flow chart to use when choosing C++ collections.
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UITableViewCell Separator disappearing in iOS7
...
This worked for me:
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
// fix for separators bug in iOS 7
self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
self.tableView.separatorStyle = UITableViewCellSeparatorStyleS...
Why can't R's ifelse statements return vectors?
...urns a value with the same
shape as test which is filled with
elements selected from either yes or
no depending on whether the element
of test is TRUE or FALSE.
Since you are passing test values of length 1, you are getting results of length 1. If you pass longer test vectors, you will get...
jQuery .live() vs .on() method for adding a click event after loading dynamic html
...er on a parent object (that does not get loaded dynamically) and give it a selector that matches your dynamic object like this:
$('#parent').on("click", "#child", function() {});
The event handler will be attached to the #parent object and anytime a click event bubbles up to it that originated on...
What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?
...n Git diff commit ranges?.
See Also
Pro Git § 6.1 Git Tools - Revision Selection - Commit Ranges
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Design Pattern for Undo Engine
...a virtual method implementation.
To do aggregate actions (e.g. user Shift-Selects a load of objects to do an operation on, such as delete, rename, change attribute), your code creates a new Undo stack as a single memento, and passes that to the actual operation to add the individual operations to. ...
Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
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PostgreSQL 9.5
PostgreSQL 9.5 incorporates SELECT ... FOR UPDATE ... SKIP LOCKED. This makes implementing working queuing systems a lot simpler and easier. You may no longer require an external queueing system since it's now simple to fetch 'n' rows that no other sess...
Entity Framework 4 - AddObject vs Attach
...m d in context.Destinations
where d.Name == "Grand Canyon"
select d).Single();
}
DeleteDestination(canyon);
}
private static void DeleteDestination(Destination destination)
{
using (var context = new BreakAwayContext())
{
context.Destinations.Attach(destinatio...
Delete fork dependency of a GitHub repository
...om the github UI, then remove the original forked one:
Sign in to github
Select the + sign in the top right corner, and Import repository.
Import your forked repository. The new repository won't have the fork dependency.
Delete the original, forked repository in the repository settings.
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ReadOnlyCollection or IEnumerable for exposing member collections?
...y of other options for wrapping trivially - the nice thing about Skip over Select/Where is that there's no delegate to execute pointlessly for each iteration.)
If you're not using .NET 3.5 you can write a very simple wrapper to do the same thing:
public static IEnumerable<T> Wrapper<T>...