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What is the difference between concurrent programming and parallel programming?
...shed/2013-04-05-concurrent-and-parallel-programming.html
Concurrent = Two queues and one coffee machine.
Parallel = Two queues and two coffee machines.
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Detect permission of camera in iOS
...(for: mediaType, completionHandler: { (granted) in
DispatchQueue.main.async {
if granted {
completion?(.justAuthorized)
} else {
completion?(.justDenied)
}
}
...
scheduleAtFixedRate vs scheduleWithFixedDelay
...our executor are already busy doing something, and your task gets put in a queue of things to do. (NOTE you need to confirm this by either looking at said queue or looking at what the executor threads are doing). How you control this depends on what type of executor you have. You may want to make a ...
Practical uses of different data structures [closed]
...nd syntax parsing, many virtual machines like JVM are stack oriented.
Queues - Transport and operations research where various entities are
stored and held to be processed later ie the queue performs the
function of a buffer.
Priority queues - process scheduling in the kernel
Tree...
How to form tuple column from two columns in Pandas
...need to get my head around lambda functions.
– elksie5000
Apr 16 '13 at 9:34
Did this work on your data? If so, can yo...
When to use Hadoop, HBase, Hive and Pig?
...
I worked on Lambda architecture processing Real time and Batch loads.
Real time processing is needed where fast decisions need to be taken in case of Fire alarm send by sensor or fraud detection in case of banking transactions.
Batch processing is needed to summarize data which ca...
Check if a temporary table exists and delete if it exists before creating a temporary table
...th 'GO' , it will consider the part of the script up to 'GO' as one single batch and will execute before getting into the query after 'GO'.
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foll...
Get a random item from a JavaScript array [duplicate]
...herefore it does not have enough jQuery.
– programmer5000
Feb 22 '17 at 14:47
1
This is not a pro...
Should I put the Google Analytics JS in the or at the end of ?
...com/analytics.js
Initializes a global ga function (called the ga() command queue) that allows you to schedule commands to be run once the analytics.js library is loaded and ready to go.
Adds a command to the ga() command queue to create a new tracker object for the property specified via the 'UA-XXX...
Which Java Collection should I use?
...er words I agree with you that in most cases the answer is no. Things like queues and dequeues where you are constantly adding and removing things from the ends of the list area good use-case for LinkedList.
– Tim B
Mar 23 '14 at 11:04
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