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How can I convert this foreach code to Parallel.ForEach?
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Iterations takes place sequentially, one by one
foreach loop is run from a single Thread.
foreach loop is defined in every framework of .NET
Execution of slow processes can be slower, as they're run serially
Process 2 can't start until 1 is done. Process 3 can't start until 2 &...
How do you clear a slice in Go?
... Interesting. Is there any other way to remove all elements from the underlying array of the slice while leaving the underlying capacity unchanged?
– Chris Weber
Jun 6 '13 at 21:07
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Is “Java Concurrency In Practice” still valid? [closed]
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Yes, it's still valid in my mind. There isn't big change in this area from 6 to 7. Fork-join is a new feature, which is very suitable for divide-and-conquer type of problems. But all the existing stuff inside the book, such as synchronization, volatile, servlet, are still very valid.
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Python JSON serialize a Decimal object
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Works in python3
– SeanFromIT
Jun 7 '18 at 16:10
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Escape regex special characters in a Python string
...sions.
In the substitution pattern, you need to escape \ to distinguish it from a
backslash that precedes a substitution group, e.g. \1, hence r'\\\1'. To write
that as a plain string, you'd need '\\\\\\1' — and nobody wants that.
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Java, How do I get current index/key in “for each” loop [duplicate]
...rect answer semantically, for each loop can iterate through streaming data from a remote database which is being updated while you're iterating through its contents (if the used iterator actually does that) in which case there's no way of knowing the current index. Index is just a view to the data, ...
Temporarily disable some plugins using pathogen in vim.
...the g:pathogen_disabled variable, before starting pathogen.
So an example from my own vimrc
" To disable a plugin, add it's bundle name to the following list
let g:pathogen_disabled = []
" for some reason the csscolor plugin is very slow when run on the terminal
" but not in GVim, so disable it i...
Docker can't connect to docker daemon
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Linux
To run docker daemon on Linux (from CLI), run:
$ sudo service docker start # Ubuntu/Debian
Note: Skip the $ character when copy and pasting.
On RedHat/CentOS, run: sudo systemctl start docker.
To initialize the "base" filesystem, run:
$ sudo service ...
What does Bump Version stand for?
... helps avoid two people bumping the version unaware of each other. 1. bump from -SNAPSHOT to a release (with same version number). 2. commit 3. bump to next version number and place -SNAPSHOT back. 4. commit 5. push
– akauppi
Dec 27 '16 at 12:41
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What is a word boundary in regex?
...haracter.
Word characters are alpha-numeric; a minus sign is not.
Taken from Regex Tutorial.
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