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How to add item to the beginning of List?
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Since .NET 4.7.1, you can use the side-effect free Prepend() and Append(). The output is going to be an IEnumerable.
// Creating an array of numbers
var ti = new List<int> { 1, 2, 3 };
// Prepend and Append any value of the same type
var results = ti.Prepend(0).A...
postgresql port confusion 5433 or 5432?
...5432 if it is available. If it isn't, most installers will choose the next free port, usually 5433.
You can see what is actually running using the netstat tool (available on OS X, Windows, and Linux, with command line syntax varying across all three).
This is further complicated on Mac OS X system...
How can I determine the direction of a jQuery scroll event?
...console.log('Scroll down');
}
});
I am not an expert on this so feel free to research it further, but it appears that when you use $(element).scroll, the event being listened for is a 'scroll' event.
But if you specifically listen for a mousewheel event by using bind, the originalEvent attri...
How do I simulate a hover with a touch in touch enabled browsers?
...k (not tested), double click zoom still fails too.
Tidy and Hopefully Bug Free (not :)) Javascript Solution
Now, for a second, cleaner, tidier and responsive, approach just using javascript (no mix between .hover class and pseudo :hover) and from where you could call directly your ajax behavior on...
XAMPP, Apache - Error: Apache shutdown unexpectedly
...e for instance had some issue with my httpd.conf file).
Related: How do I free my port 80 on localhost Windows? and Apache won't run in xampp
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Why should the “PIMPL” idiom be used? [duplicate]
...ch you implement the body to provide the advertised functionality. You are free to change the implementation as you see fit, provided that you do not change the semantics of the API that you have advertised.
– Rob Wells
Dec 5 '14 at 16:50
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rbenv not changing ruby version
..."' >> ~/.bash_profile
There are other ways to modify the path, feel free to substitute any of them instead of running the rbenv init.
NOTE: reinstall Rails with:
$ gem install rails
If you were trying to run Ruby on Rails, then you need to have this all working first, then install the rails ...
LINQ equivalent of foreach for IEnumerable
... I believe the idea is that the LINQ query operators should be side-effect-free, fitting in with a reasonably functional way of looking at the world. Clearly ForEach is exactly the opposite - a purely side-effect-based construct.
That's not to say this is a bad thing to do - just thinking about the...
pandas: multiple conditions while indexing data frame - unexpected behavior
...ethods which control their behaviour. (In query strings, of course, we're free to apply any parsing we like.)
– DSM
Jan 31 '17 at 3:02
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Set a default parameter value for a JavaScript function
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@SiPlus and you got extra reference errors for free of charge while trying to use undefined objects :p Even while it may work with some browsers and might be faster, null is still an object and undefined is reference to primitive type that is trying to tell that there is ...