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What is the most efficient way to deep clone an object in JavaScript?
...e(JSON.stringify(object))
const a = {
string: 'string',
number: 123,
bool: false,
nul: null,
date: new Date(), // stringified
undef: undefined, // lost
inf: Infinity, // forced to 'null'
re: /.*/, // lost
}
console.log(a);
console.log(typeof a.date); // Date obje...
What Git branching models work for you?
...s necessary or not?!)": not always necessary, but it help keeping trace of functional dependencies (stackoverflow.com/questions/881092/…) and semantic conflicts (stackoverflow.com/questions/2514502/…)
– VonC
Apr 12 '10 at 13:39
...
How to handle initializing and rendering subviews in Backbone.js?
...ers:</div>
<div id="phone_numbers">
<div>#1: 123-456-7890</div>
<div>#2: 456-789-0123</div>
</div>
</div>
Hopefully it's pretty obvious how the HTML matches up with the diagram.
The ParentView holds 2 child views, InfoView a...
Create code first, many to many, with additional fields in association table
...g will fetch the comments automatically behind the scenes.
Edit
Just for fun a few examples more how to add entities and relationships and how to delete them in this model:
1) Create one member and two comments of this member:
var member1 = new Member { FirstName = "Pete" };
var comment1 = new C...
What is a NullPointerException, and how do I fix it?
...e following is 2 minutes read to understand this amazing language feature.
https://jfeatures.com/blog/NullPointerException
In java 14 following is sample NullPointerException Exception message:
in thread "main" java.lang.NullPointerException: Cannot invoke "java.util.List.size()" because "list" is ...
htaccess redirect to https://www
...
To first force HTTPS, you must check the correct environment variable %{HTTPS} off, but your rule above then prepends the www. Since you have a second rule to enforce www., don't use it in the first rule.
RewriteEngine On
RewriteCond %{HTT...
var functionName = function() {} vs function functionName() {}
...
The difference is that functionOne is a function expression and so only defined when that line is reached, whereas functionTwo is a function declaration and is defined as soon as its surrounding function or script is executed (due to hoisting).
...
What is Type-safe?
...
On the down side, with type safe languages, when you have a string like "123" and you want to operate on it like an int, you have to write more code to convert the string to an int, or when you have an
Find MongoDB records where array field is not empty
...d only happen if pictures is a sub-doc, not an array. e.g. pictures: {'2': 123}
– JohnnyHK
Aug 24 '15 at 19:46
5
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Quickly find whether a value is present in a C array?
... != theArray+SIZE;
}
If the compiler doesn't already apply it, then this function will do so for sure. On the other hand, it might make it harder on the optimizer to unroll the loop, so you will have to verify that in the generated assembly code...
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