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How to Deep clone in javascript
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It really depends what you would like to clone. Is this a truly JSON object or just any object in JavaScript? If you would like to do any clone, it might get you into some trouble. Which trouble? I will explain it below, but first, a code example which clones ...
How to get enum value by string or int
...nt;
MyEnum myEnum = (MyEnum)Enum.Parse(typeof(MyEnum), myString);
I think it will also be faster.
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What is the function __construct used for?
...arameters on object construction then you need one.
An example could go like this:
class Database {
protected $userName;
protected $password;
protected $dbName;
public function __construct ( $UserName, $Password, $DbName ) {
$this->userName = $UserName;
$this->password = $Pa...
How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
...are performing a bitwise logical operation on an integer (which, for all I know, may be stored as two's complement or something like that...)
Two's complement explains how to represent a number in binary. I think I was right.
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How to set time delay in javascript
...a piece of js in my website to switch images but need a delay when you click the image a second time. The delay should be 1000ms. So you would click the img.jpg then the img_onclick.jpg would appear. You would then click the img_onclick.jpg image there should then be a delay of 1000ms before the img...
How do you push a tag to a remote repository using Git?
...s is sane because:
you should only push annotated tags to the remote, and keep lightweight tags for local development to avoid tag clashes. See also: What is the difference between an annotated and unannotated tag?
it won't push annotated tags on unrelated branches
It is for those reasons that --t...
How to check if a string contains only digits in Java [duplicate]
...ring class there is a method called matches, how to use this method to check if my string is having only digits using regular expression. I tried with below examples, but both of them returned me false as result.
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What's the canonical way to check for type in Python?
What is the best way to check whether a given object is of a given type? How about checking whether the object inherits from a given type?
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What is Lazy Loading?
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It's called lazy loading because, like a lazy person, you are putting off doing something you don't want to. The opposite is Eager Loading, where you load something right away, long before you need it.
If you are curious why people might use lazy loading, con...
What's the difference between a file descriptor and file pointer?
I want to know the difference between a file descriptor and file pointer.
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