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How to define custom configuration variables in rails
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Update 1
Very recommended: I'm going with Rails Config gem nowadays for the fine grained control it provides.
Update2
If you want a quick solution, then check Jack Pratt's answer below.
Although my original answer below still works, this answer is now outdated. I recommend looking...
Is there a range class in C++11 for use with range based for loops?
...ace. range-v3 was always sort-of the reference implementation I'd say. But now I believe the basic range stuff has also recently been voted into C++20, so we will indeed get it in std:: soon! :-)
– Ela782
Jan 3 '19 at 11:56
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Fastest way to convert JavaScript NodeList to Array?
... They Are a-Changin'
@kangax (IE 9 preview)
Array.prototype.slice can now convert
certain host objects (e.g. NodeList’s)
to arrays — something that majority of
modern browsers have been able to do
for quite a while.
Example:
Array.prototype.slice.call(document.childNodes);
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Blocks and yields in Ruby
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Good to know different ways to trigger a block.
– LPing
Jun 25 '15 at 0:11
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Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
... applicability to the modern programming scene. The goto-less meme verges now on a religion, right down to its scriptures dictated from on high, its high priests and the shunning (or worse) of perceived heretics.
Let's put Dijkstra's paper into context to shed a little light on the subject.
When ...
Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive
...Panel open IIS manager -> on Left side select "Application Pools" -> Now on middle part your project listing display then select your project e.g. "MvcApplication1" -> from right side select "set Application Pool Defaults" -> Now change .Net Framework Version from V2.0 to V4.0
This one...
Optional Methods in Java Interface
...fiableList, and
ModifiableMap. What was previously a simple hierarchy is now a messy
heterarchy. Also, you need a new Iterator interface for use with
unmodifiable Collections, that does not contain the remove operation.
Now can you do away with UnsupportedOperationException? Unfortunately
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How to add new item to hash
I'm new to Ruby and don't know how to add new item to already existing hash. For example, first I construct hash:
7 Answers...
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('...
Remove Identity from a column in a table
...'MyTable2', 'MyIndex2', etc.
Remove the IDENTITY specification.
You should now have two "identical"-ish tables, one full, the other empty with no IDENTITY.
Run ALTER TABLE [Original] SWITCH TO [Original2]
Now your original table will be empty and the new one will have the data. You have switched th...