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Difference between char* and const char*?
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char* is a mutable pointer to a mutable character/string.
const char* is a mutable pointer to an immutable character/string. You cannot change the contents of the location(s) this pointer points to. Also, compilers are required to...
How to print a date in a regular format?
This is my code:
22 Answers
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Applicatives compose, monads don't
What does the above statement mean? And when is one preferable to other?
5 Answers
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RabbitMQ and relationship between channel and connection
... represents a real TCP connection to the message broker, whereas a Channel is a virtual connection (AMQP connection) inside it. This way you can use as many (virtual) connections as you want inside your application without overloading the broker with TCP connections.
You can use one Channel for ever...
Pass props to parent component in React.js
Is there not a simple way to pass a child's props to its parent using events, in React.js?
7 Answers
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Obfuscated C Code Contest 2006. Please explain sykes2.c
How does this C program work?
4 Answers
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How to count the number of occurrences of an element in a List
I have an ArrayList , a Collection class of Java, as follows:
22 Answers
22
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How do MySQL indexes work?
...d the topic (that's a full table scan).
On the other hand, an index has a list of keywords, so you'd consult the index and see that storage is mentioned on pages 113-120,231 and 354. Then you could flip to those pages directly, without searching (that's a search with an index, somewhat faster).
Of ...
What is the purpose of fork()?
..., I have seen code using fork() . Why do we need to use fork() and what is its purpose?
15 Answers
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Difference between Service, Async Task & Thread?
What is the difference between Service, Async Task & Thread. If i am not wrong all of them are used to do some stuff in background. So, how to decide which to use and when?
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