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What exactly is Hot Module Replacement in Webpack?
...s quite long so here is a GIF image that explains the concept without much words.
Here it is at work – notice that the timer doesn’t reset to 0 as it would after a page reload, and css changes auto refresh too.
Webpack helps to acheive HMR. You can find docs here
It helps to achieve the followi...
Difference between a “coroutine” and a “thread”?
...mer and programming language determine when to switch coroutines; in other words, tasks are cooperatively multitasked by pausing and resuming functions at set points, typically (but not necessarily) within a single thread.
Long answer: In contrast to threads, which are pre-emptively scheduled by th...
What's the difference between EscapeUriString and EscapeDataString?
...the query string without regard for escaping:
http://example.org/?key=two words
Uri.EscapeUriString will (correctly) escape the space for you:
http://example.org/?key=two%20words
You decide to manually edit the query string even further:
http://example.org/?parameter=father&son
How...
What does it mean to hydrate an object?
...ooked into it.
As best as I can tell, I don't think this project used the word "hydrate" in a very generic sense. I see its use in the title as an approximate synonym for "serialization". As explained above, this usage isn't entirely accurate:
See: http://en.wikipedia.org/wiki/Serialization
tr...
Why is lock(this) {…} bad?
...k involves cache-flush CPU operations and is somewhat expensive. In other words: do not lock and update each individual integer. :)
– Zan Lynx
Oct 31 '08 at 0:12
...
What are the main performance differences between varchar and nvarchar SQL Server data types?
...
Usually when people start their answer with the word "Always" then you should ignore everything that comes after that. (Notice I started that statement out with the word "usually" :)
– Brandon Moore
May 4 '12 at 20:07
...
Best practice for Django project working directory structure
...
When using setup.py, add scripts keyword argument: github.com/elvard/django-start-template/blob/master/project/… I like tmp because it suggests "something temporary" which can be removed anytime. Toplevel locale dir isn't necessary, you can place it anywhere...
How to configure MongoDB Java driver MongoOptions for production use?
...onnections eventually even if the actual query throughput is low (in order words you will see the "conn" statistic in mongostat rise until it hits this number per app server).
There is no need to set this higher than 100 in most cases but this setting is one of those "test it and see" things. Do n...
Why is it necessary to set the prototype constructor?
...ed it was correctly wired up.
Of course, with ES2015 (aka ES6)'s class keyword, most of the time we would have used it, we don't have to anymore, because it's handled for us when we do
class Student extends Person {
}
¹ "...if you're subclassing something that uses it (like Promise or Array) ...
How to return a string value from a Bash function
...control variable in a for loop has the nameref attribute, the list
of words can be a list of shell variables, and a name reference will be⋅
established for each word in the list, in turn, when the loop is executed.
Array variables cannot be given the -n attribute. However, nameref ...