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Ruby's ||= (or equals) in JavaScript?
...om a = a || b.
For reference:
http://www.rubyinside.com/what-rubys-double-pipe-or-equals-really-does-5488.html
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How to find SQL Server running port?
...Memory network library (if the client is on the same machine) or the Named Pipes network library.
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...ffling/sorting all data to reducers. With foldLeft this is not the case.
pipe.groupBy('product) {
_.reduce('price -> 'total){ (sum: Double, price: Double) => sum + price }
// reduce is .mapReduceMap in disguise
}
pipe.groupBy('product) {
_.foldLeft('price -> 'total)(0.0){ (sum: ...
How to create a bash script to check the SSH connection?
... An even more concise form of #1: ssh -q user@downhost exit | echo $? pipe the connection result into echo
– philn5d
Nov 30 '18 at 21:22
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How do I display a text file content in CMD?
I want to display the content of a text file in a CMD window. In addition, I want to see the new lines that added to file, like tail -f command in Unix.
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Adding Only Untracked Files
One of the commands I find incredibly useful in Git is git add -u to throw everything but untracked files into the index. Is there an inverse of that? In the last few months, I've often found myself in a position where I've interactively added some updates to the index and I want to add all of the...
创业第一年 太特么累了 - 资讯 - 清泛网 - 专注C/C++及内核技术
...。。。现在回头看看，不管你怎么选，都会遇到各种让你无法想象又哭笑不得巨坑。
技术不是问题，它特么是个大难题。说技术不是问题的，要不就是技术控，本人牛掰，要不不差钱，请得起牛人。咱这样钱不多、牛人少的团...
How to sort a file, based on its numerical values for a field?
Example file.txt :
8 Answers
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How do I run a batch script from within a batch script?
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Is there a way to pipe all errors from each of these scripts back to the main script's output?
– gunslingor
Aug 23 '19 at 12:07
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Find (and kill) process locking port 3000 on Mac
How do I find (and kill) processes that listen to/use my tcp ports? I'm on mac os x.
31 Answers
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