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How can I find the length of a number?
...
I've been using this functionality in node.js, this is my fastest implementation so far:
var nLength = function(n) {
return (Math.log(Math.abs(n)+1) * 0.43429448190325176 | 0) + 1;
}
It should handle positive and negative integers (also in exponential form) ...
How to determine equality for two JavaScript objects?
...lable in the browser.
Note: Previously this answer recommended Underscore.js, but lodash has done a better job of getting bugs fixed and addressing issues with consistency.
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.gitignore file, where should I put it in my xcode project?
... file, that will manage all of your git repositories.
git config --global core.excludesfile ~/.gitignore_global
This alternative is particularly interesting for ignored files that are non-project related, such as IDE related files and so on.
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Why does typeof array with objects return “object” and not “array”? [duplicate]
...a = {1:1, 2:2, 3:3,'key':'experiment'};
Array.isArray(a)
returns false
JSON returns an Object ... could return an Associative Array ... but it is not like that
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Animate element to auto height with jQuery
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@Daniel, where is your JS code? Post that bit, and also parts of the HTML that show the elements you refer to.
– David Tang
Feb 15 '11 at 12:56
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Check for array not empty: any?
...ts empty.
The method empty? comes from the Array class
http://ruby-doc.org/core-2.0.0/Array.html#method-i-empty-3F
It's used to check if the array contains something or not. This includes things that evaluate to false, such as nil and false.
>> a = []
=> []
>> a.empty?
=> true
>...
jQuery - setting the selected value of a select control via its text description
...).text() == text1;
}).prop('selected', true);
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<select>
<option value="0">One</option>
<option value="1">Two</option>
</select>
jQuery versions ...
Cannot install node modules that require compilation on Windows 7 x64/VS2012
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Update v3:
https://www.npmjs.com/package/windows-build-tools
npm install --global windows-build-tools
downloads and installs Visual C++ Build Tools 2015, provided free of charge by Microsoft. These tools are required to compile popular native mod...
How to verify that a specific method was not called using Mockito?
...atic transient void verifyNoMoreInteractions(Object mocks[])
{
MOCKITO_CORE.verifyNoMoreInteractions(mocks);
}
public static transient void verifyZeroInteractions(Object mocks[])
{
MOCKITO_CORE.verifyNoMoreInteractions(mocks);
}
so we can use any one of them on mock object or array of moc...
How to drop a database with Mongoose?
I'm preparing a database creation script in Node.js and Mongoose.
How can I check if the database already exists, and if so, drop (delete) it using Mongoose?
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