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MongoDB与内存 - 大数据 & AI - 清泛网 - 专注C++内核技术
...是限制使用Swap：
shell> sysctl vm.swappiness=0
查看内存情况最常用的是free命令：
shell> free -m
total used free shared buffers cached
Mem: 32101 29377 2723 0 239 25880
-/+ buffers/cache: 32...
What are the differences between Chosen and Select2?
...d to <select> elements - it just didn't feel well thought out the hoops I would have to jump through.
I have settled on using selectize.js which just adds the new <option>...</option> element to the form's DOM - and that is sane. It does also use LESS - but I would bypass that and...
test a file upload using rspec - rails
...dFile that's good enough to use it. Provided your rails app setup is fine. PS: I'm on Rails 4 and ruby 2.1
– Vishnu Narang
Oct 2 '14 at 7:38
...
.bashrc at ssh login
... code like below
# If not running interactively, don't do anything
[ -z "$PS1" ] && return
so If you want to change environment for ssh non-login shell.
you should add code above that line.
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Dynamically set local variable [duplicate]
...modules, class definitions, instances) are usually done by dictionary lookups (as Sven points out in the comments there are exceptions, for example classes that define __slots__). Function locals can be optimised for speed because the compiler (usually) knows all the names in advance, so there isn't...
Case preserving substitute in Vim
...match(0), 0 ,1) == toupper(strpart(submatch(0), 0, 1)) ? "GOOD" : "good"/
ps. i'm guessing keepcase.vim encapsulates some similar logic :)
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Windows: How to specify multiline command on command prompt?
...e Why should it? PowerShell is completely separate! The equivalent key for PS is `.
– WhatIsHeDoing
Nov 14 '17 at 13:42
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【教学】AppInventor2人工智能应用：Personal Image Classifier (PIC) Tool...
...erimental-link-color)]《實戰AI資料導向式學習》，只有您自己最清楚「怎樣才是夠好的資料」，請[color=var(--fs-experimental-link-color)]直接下載 .aia來玩吧 （感謝CAVEDU 2019 實習生陳俊霖同學），本範例已經針對 CAVEDU AI 車情境的路牌訓練...
Bash script to set up a temporary SSH tunnel
...lished before placing itself in the background. You can grep the output of ps to get the PID. For example you can use
...
ssh -Cfo ExitOnForwardFailure=yes -NL 9999:localhost:5900 $REMOTE_HOST
PID=$(pgrep -f 'NL 9999:')
[ "$PID" ] || exit 1
...
and be pretty sure you're getting the desired PID
...
MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升
...是限制使用Swap：
shell> sysctl vm.swappiness=0
查看内存情况最常用的是free命令：
shell> free -m
total used free shared buffers cached
Mem: 32101 29377 2723 0 239 25880
-/+ buffers/cache: 32...