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How to replace spaces in file names using a bash script
...supplied string.
The relevant syntax is ${parameter/pattern/string}. See: https://www.gnu.org/software/bash/manual/html_node/Shell-Parameter-Expansion.html or http://wiki.bash-hackers.org/syntax/pe .
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NGINX to reverse proxy websockets AND enable SSL (wss://)?
...ry libs for building NGINX
Get the nginx_tcp_proxy_module from GitHub here https://github.com/yaoweibin/nginx_tcp_proxy_module and remember the folder where you placed it (make sure it is not zipped)
Build Your New NGINX
Again, assumes CentOS:
cd /usr/local/
wget 'http://nginx.org/download/nginx-1...
Can you explain the concept of streams?
...I think that the question refers to the abstract concept of Streaming. See https://en.wikipedia.org/wiki/Live_streaming
So let's move on.
Video is not the only resource that can be streamed. Audio can be streamed too. So we are talking about Streaming media now. See https://en.wikipedia.org/wiki...
How to enumerate an enum with String type?
...
This post is relevant here https://www.swift-studies.com/blog/2014/6/10/enumerating-enums-in-swift
Essentially the proposed solution is
enum ProductCategory : String {
case Washers = "washers", Dryers = "dryers", Toasters = "toasters"
stat...
How to center text vertically with a large font-awesome icon?
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a flexbox option - font awesome 4.7 and below
FA 4.x Hosted URL - https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css
div {
display: inline-flex; /* make element size relative to content */
align-items: center; /* vertical alignment of items */
line-...
Embedding JavaScript engine into .NET [closed]
...t:
The project has been entirely rewritten and is now hosted on Github at https://github.com/sebastienros/jint
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How to calculate time elapsed in bash script?
...{a[@]}"
The use of long number of seconds is valid and documented here:
https://www.gnu.org/software/coreutils/manual/html_node/Examples-of-date.html#Examples-of-date
Busybox date
A tool used in smaller devices (a very small executable to install): Busybox.
Either make a link to busybox call...
What is a non-capturing group in regular expressions?
... with an example.
Consider the following text:
http://stackoverflow.com/
https://stackoverflow.com/questions/tagged/regex
Now, if I apply the regex below over it...
(https?|ftp)://([^/\r\n]+)(/[^\r\n]*)?
... I would get the following result:
Match "http://stackoverflow.com/"
Group 1: "h...
How does the compilation/linking process work?
...
This topic is discussed at CProgramming.com:
https://www.cprogramming.com/compilingandlinking.html
Here is what the author there wrote:
Compiling isn't quite the same as creating an executable file!
Instead, creating an executable is a multistage process divided into
t...
Heap vs Binary Search Tree (BST)
...n rebalancing and rotation operations.
See also
Similar question on CS: https://cs.stackexchange.com/questions/27860/whats-the-difference-between-a-binary-search-tree-and-a-binary-heap
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