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How to stop app that node.js express 'npm start'
...(80, () => {
console.log('HTTP server listening on port 80');
});
// Now for the socket.io stuff - NOTE THIS IS A RESTFUL HTTP SERVER
// We are only using socket.io here to respond to the npmStop signal
// To support IPC (Inter Process Communication) AKA RPC (Remote P.C.)
const io = require('...
Concurrent vs serial queues in GCD
...
First, it's important to know the difference between threads and queues and what GCD really does. When we use dispatch queues (through GCD), we're really queueing, not threading. The Dispatch framework was designed specifically to get us away from thr...
Getting a list of associative array keys
...
I'm switching this to the accepted answer now. Only IE8 doesn't support it anymore (for which a polyfill is available developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…)
– Simon_Weaver
Dec 11 '17 at 1:55
...
How to declare a global variable in a .js file
..._PATH/global.js" type="text/javascript"></script>
<!-- Now we can reference variables, objects, functions etc.
defined in global.js -->
<script src="/YOUR_PATH/otherJsFile.js" type="text/javascript"></script>
</head>
[...]
</h...
How to determine if a number is a prime with regex?
...ce again the returning of the negation of the match result.
Do you see it now? It's unbelievably tricky (and computationally expensive!) but it's also kind of simple at the same time, once you get it. :-)
I can elaborate if you have further questions, like on how regex parsing actually works. But ...
“Warning: iPhone apps should include an armv6 architecture” even with build config set
...ode 4.5 or higher, which no longer supports armv6.)
That's it. You should now be able to build/archive without generating errors.
If it still doesn't work, see this answer from justinxreese, which suggests adding entries for armv6 and armv7 under "Required Device Capabilities" in your info.plist f...
Specifying column name in a “references” migration
...
Do it manually:
add_column :post, :author_id, :integer
but now, when you create the belongs_to statement, you will have to modify it, so now you have to call
def post
belongs_to :user, :foreign_key => 'author_id'
end
...
Numpy - add row to array
...
@Georgy To be honest, I don't know. I was here looking for answers same as you :-). I can't remember now why I wrote above comment. I must have seen in the docs its deprecated. But looking at the docs now... it doesn't say so. Is it possible they deprecate...
Is there a reason that we cannot iterate on “reverse Range” in ruby?
... trying to add years to a form, I used: = f.select :model_year, (Time.zone.now.year + 1).downto(Time.zone.now.year - 100).to_a
– Eric Norcross
May 2 '18 at 0:14
add a comment
...
JavaScript: What are .extend and .prototype used for?
...otypeJS, copies all properties from the source to the destination object.
Now about the prototype property, it is a member of function objects, it is part of the language core.
Any function can be used as a constructor, to create new object instances. All functions have this prototype property.
W...