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How do I use the new computeIfAbsent function?
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edited Oct 9 '13 at 18:17
answered Oct 9 '13 at 18:12
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what exactly is device pixel ratio?
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Short answer
The device pixel ratio is the ratio between physical pixels and logical pixels. ...
I forgot the password I entered during postgres installation
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13 Answers
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What are the best practices to follow when declaring an array in Javascript?
...rray(5); // an array pre-sized to 5 elements long
var b = new Array(5, 10); // an array with two elements in it
Note that there's no way with new Array() to create an array with just one pre-specified number element in it!
Using [] is actually more efficient, and safer too! It's possible to ...
How do I clear this setInterval inside a function?
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answered May 24 '10 at 23:50
GuffaGuffa
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Is object empty? [duplicate]
...th: 0, custom_property: []}), // true
isEmpty("Hello"), // false
isEmpty([1,2,3]), // false
isEmpty({test: 1}), // false
isEmpty({length: 3, custom_property: [1,2,3]}) // false
If you only need to handle ECMAScript5 browsers, you can use Object.getOwnPropertyNames instead of the hasOwnProperty lo...
What is the __DynamicallyInvokable attribute for?
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140
It is undocumented, but it looks like one of the optimizations in .NET 4.5. It appears to be ...
Overriding Binding in Guice
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149
This might not be the answer you're looking for, but if you're writing unit tests, you probabl...
MySQL 'create schema' and 'create database' - Is there any difference
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The documentation of MySQL says :
CREATE DATABASE creates a database
with the given nam...