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multiprocessing: sharing a large read-only object between processes?
...lution 1
To make best use of a large structure with lots of workers, do this.
Write each worker as a "filter" – reads intermediate results from stdin, does work, writes intermediate results on stdout.
Connect all the workers as a pipeline:
process1 <source | process2 | process3 | ... | proc...
Array extension to remove object by value
...
As of Swift 2, this can be achieved with a protocol extension method.
removeObject() is defined as a method on all types conforming
to RangeReplaceableCollectionType (in particular on Array) if
the elements of the collection are Equatable:
e...
How to declare a global variable in JavaScript?
... should be avoided) always declare them explicitly:
window.globalVar = "This is global!";
While it is possible to define a global variable by just omitting var (assuming there is no local variable of the same name), doing so generates an implicit global, which is a bad thing to do and would gener...
Difference between map and collect in Ruby?
I have Googled this and got patchy / contradictory opinions - is there actually any difference between doing a map and doing a collect on an array in Ruby/Rails?
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What is a wrapper class?
What is a wrapper class?
How are such classes useful?
17 Answers
17
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How to mount a host directory in a Docker container
...ost directory into a Docker container so that any updates done on the host is reflected into the Docker containers.
25 Answ...
How do I get the full path to a Perl script that is executing?
...to determine the full path and filename of the script during execution. I discovered that depending on how you call the script $0 varies and sometimes contains the fullpath+filename and sometimes just filename . Because the working directory can vary as well I can't think of a way to reliably g...
count vs length vs size in a collection
...collection.
Size() tends to refer to the size of the collection, often this can be different from the length in cases like vectors (or strings), there may be 10 characters in a string, but storage is reserved for 20. It also may refer to number of elements - check source/documentation.
Capacity()...
Asynchronous Process inside a javascript for loop [duplicate]
...oop index variable i will be at its last value for all the callbacks.
This is because the for loop does not wait for an asynchronous operation to complete before continuing on to the next iteration of the loop and because the async callbacks are called some time in the future. Thus, the loop com...
Export database schema into SQL file
Is it possible in MS SQL Server 2008 to export database structure into a T-SQL file?
4 Answers
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