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Are Mutexes needed in javascript?

I have seen this link: Implementing Mutual Exclusion in JavaScript . On the other hand, I have read that there are no threads in javascript, but what exactly does that mean? ...
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When can I use a forward declaration?

I am looking for the definition of when I am allowed to do forward declaration of a class in another class's header file: 1...
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Can someone explain the dollar sign in Javascript?

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Sort array of objects by single key with date value

I have an array of objects with several key value pairs, and I need to sort them based on 'updated_at': 19 Answers ...
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Use of Finalize/Dispose method in C#

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How to overload __init__ method based on argument type?

Let's say I have a class that has a member called data which is a list. 10 Answers 1...
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What is the difference between YAML and JSON?

What are the differences between YAML and JSON, specifically considering the following things? 13 Answers ...
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Maximum Java heap size of a 32-bit JVM on a 64-bit OS

The question is not about the maximum heap size on a 32-bit OS, given that 32-bit OSes have a maximum addressable memory size of 4GB, and that the JVM's max heap size depends on how much contiguous free memory can be reserved. ...
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Storing images in SQL Server?

I have made a small demo site and on it I am storing images within a image column on the sql server. A few questions I have are... ...
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How do you set a default value for a MySQL Datetime column?

How do you set a default value for a MySQL Datetime column? 25 Answers 25 ...