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What does `m_` variable prefix mean?
I often see m_ prefix used for variables ( m_World , m_Sprites ,...) in tutorials, examples and other code mainly related to game development.
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What is a daemon thread in Java?
Can anybody tell me what daemon threads are in Java ?
26 Answers
26
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C++, variable declaration in 'if' expression
What's going on here?
8 Answers
8
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How do I replace a character at a particular index in JavaScript?
I have a string, let's say Hello world and I need to replace the char at index 3. How can I replace a char by specifying a index?
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Specifying column name in a “references” migration
I want to make a migration in Rails, referencing another table. Usually, I would do something like:
6 Answers
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How to wait for a keypress in R?
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As someone already wrote in a comment, you don't have to use the cat before readline(). Simply write:
readline(prompt="Press [enter] to continue")
If you don't want to assign it to a variable and don't want a return printed in the console, wrap th...
Is Zookeeper a must for Kafka?
In Kafka, I would like to use only a single broker, single topic and a single partition having one producer and multiple consumers (each consumer getting its own copy of data from the broker). Given this, I do not want the overhead of using Zookeeper; Can I not just use the broker only? Why is a Zoo...
Storing time-series data, relational or non?
I am creating a system which polls devices for data on varying metrics such as CPU utilisation, disk utilisation, temperature etc. at (probably) 5 minute intervals using SNMP. The ultimate goal is to provide visualisations to a user of the system in the form of time-series graphs.
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How do you divide each element in a list by an int?
I just want to divide each element in a list by an int.
7 Answers
7
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Store a closure as a variable in Swift
In Objective-C, you can define a block's input and output, store one of those blocks that's passed in to a method, then use that block later:
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