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Email address validation using ASP.NET MVC data type attributes
... this method does not check for domain tld, so someone could put in myname@whatever and leave out .com and it will validate correctly
– JasonH
Feb 3 '14 at 20:03
8
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Best way to create unique token in Rails?
Here's what I'm using. The token doesn't necessarily have to be heard to guess, it's more like a short url identifier than anything else, and I want to keep it short. I've followed some examples I've found online and in the event of a collision, I think the code below will recreate the token, but ...
How do I hide a menu item in the actionbar?
...y different. Your code returns null for item and that's causing the crash. What you need instead is to do:
MenuItem item = menu.findItem(R.id.addAction);
Here is the sequence in which you should call:
first call invalidateOptionsMenu() and then inside onCreateOptionsMenu(Menu) obtain a reference ...
How to use JNDI DataSource provided by Tomcat in Spring?
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what file exactly do you mean by "Tomcat's web context.xml" ?
– Pavel Niedoba
Jun 16 '15 at 11:23
1
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Upgrade Node.js to the latest version on Mac OS
...
This worked, but no one explains what the commands why installing "n" helps. I just figured out today that "n" is a Node.js version manager, as somewhat explained on the npm js website - npmjs.com/get-npm
– Mark
Oct 29 ...
When to use NSInteger vs. int
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You usually want to use NSInteger when you don't know what kind of processor architecture your code might run on, so you may for some reason want the largest possible integer type, which on 32 bit systems is just an int, while on a 64-bit system it's a long.
I'd stick with usi...
How to remove element from array in forEach loop?
...ndex, 1);
}
});
log(review);
<pre id="out"></pre>
So what can we do about this problem when iterating and mutating an array? Well the usual solution is to work in reverse. Using ES3 while but you could use for sugar if preferred
var pre = document.getElementById('out');
fu...
What's the difference between nohup and ampersand
...e background. After I shutdown the terminal, the process is still running.
What's the difference between them?
7 Answers
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What REALLY happens when you don't free after malloc?
...ou still have around on program exit. It's more of an exercise in knowing what memory you're using, and thinking about whether you still need it. If you don't keep track, you might have memory leaks.
On the other hand, the similar admonition to close your files on exit has a much more concrete re...
How to find first element of array matching a boolean condition in JavaScript?
...nly return whether the condition was met once, not by which element (or at what index) it was met. So we have to amend it a little:
function find(arr, test, ctx) {
var result = null;
arr.some(function(el, i) {
return test.call(ctx, el, i, arr) ? ((result = el), true) : false;
});...