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Most efficient way to convert an HTMLCollection to an Array
...ion);
But note per @JussiR's comment, that unlike the "verbose" form, it does create an empty, unused, and indeed unusable array instance in the process. What compilers do about this is outside the programmer's ken.
Edit
Since ECMAScript 2015 (ES 6) there is also Array.from:
var arr = Array.fr...
Regular Expression for alphanumeric and underscores
...r expressions, and probably a lot of other languages as well.
Breaking it down:
^ : start of string
[ : beginning of character group
a-z : any lowercase letter
A-Z : any uppercase letter
0-9 : any digit
_ : underscore
] : end of character group
* : zero or more of the given characters
$ : end of s...
JPA: unidirectional many-to-one and cascading delete
...the parent to the child (not just the opposite).
You'll therefore need to do this:
Either, change the unidirectional @ManyToOne relationship to a bi-directional @ManyToOne, or a unidirectional @OneToMany. You can then cascade REMOVE operations so that EntityManager.remove will remove the parent a...
How to close TCP and UDP ports via windows command line
Does somebody knows how to close a TCP or UDP socket for a single connection via windows command line?
17 Answers
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OwinStartup not firing
...ithout requiring these direct references of the Microsoft.Owin stuff? How do we specifically provoke Katana to call Startup.Configuration(IAppBuilder)?
– Jason Kleban
Jan 13 '15 at 16:17
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What is data oriented design?
...ryone can greatly benefit from mixing in data oriented design with OOP. He doesn't show any code samples, however.
4 Answer...
What's the Hi/Lo algorithm?
... make parent/child relationships and have the keys all in place before you do any inserts, which makes batching them simpler.
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Merge branch with trunk
Using TortoiseSVN, I need to take changes I've done in a branch and then merge them with trunk.
4 Answers
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How to use PHP OPCache?
...leased and it features a new code caching module called OPCache, but there doesn't appear to be any documentation for it.
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Why does one hot encoding improve machine learning performance?
...curacy, compared to using the original matrix itself as training data. How does this performance increase happen?
3 Answer...