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搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
... will be spared here but that basic process is:
get maxLocalOpOrdinal from each server.
if a majority of servers are not up (from this server’s POV), remain in Secondary mode and stop.
if the last op time seems very old, stop and await human intervention.
else, using a consensus pro...
bash/fish command to print absolute path to a file
...
I would like to add that realpath comes from coreutils package, which also contains tools such as who, touch or cat. It's quite standar set of GNU tools, so you can be quite sure that this is installed on almost any linux based machine.That said, you are right: the...
Access Control Request Headers, is added to header in AJAX request with jQuery
I would like to add a custom header to an AJAX POST request from jQuery.
6 Answers
6
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Replace whole line containing a string using Sed
...nd I couldn't get it to work
I didn't realize some of my issues are coming from unescaped slashes
So here is the solution I came up with which I think should work for most cases:
function escape_slashes {
sed 's/\//\\\//g'
}
function change_line {
local OLD_LINE_PATTERN=$1; shift
lo...
Can you overload controller methods in ASP.NET MVC?
...Customer(string str)" will be invoked.
The above answer i have taken from this codeproject article --> MVC Action overloading
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Android equivalent of NSUserDefaults in iOS
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Is there a way to access this SharedPreferences from jni code?
– IgorGanapolsky
Apr 12 '16 at 16:16
2
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How do I import global modules in Node? I get “Error: Cannot find module ”?
...Lion. It all seems to work ok, but I can't seem to import anything modules from my global modules folder. I get the error,
...
How can I view all the git repositories on my machine?
...
ORIGINAL ANSWER:
This works pretty well from Windows Powershell:
Get-ChildItem . -Attributes Directory+Hidden -ErrorAction SilentlyContinue -Include ".git" -Recurse
EDIT #1: -Filter is twice as fast as -Include. Here is that solution:
Get-ChildItem . -Attribu...
How to test equality of Swift enums with associated values
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Swift 4.1+
As @jedwidz has helpfully pointed out, from Swift 4.1 (due to SE-0185, Swift also supports synthesizing Equatable and Hashable for enums with associated values.
So if you're on Swift 4.1 or newer, the following will automatically synthesize the necessary methods ...
Disable output buffering
...
From Magnus Lycka answer on a mailing list:
You can skip buffering for a whole
python process using "python -u"
(or#!/usr/bin/env python -u etc) or by
setting the environment variable
PYTHONUNBUFFERED.
You could also replace...