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Invalid date format specification in gemspec
...update --system
Edit: You can also try (as suggested by ZeissS)
gem install rubygems-update
update_rubygems
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How do I check if a variable exists in a list in BASH
...
Matvey is right, but you should quote $x and consider any kind of "spaces" (e.g. new line) with
[[ $list =~ (^|[[:space:]])"$x"($|[[:space:]]) ]] && echo 'yes' || echo 'no'
so, i.e.
# list_include_item "10 11 12" "2"
function list_include_item ...
Automating “enter” keypresses for bash script generating ssh keys
... is shorter, and should ssh-keygen ever add a question, that will automatically be answered in too. :)
– zrajm
Apr 24 '15 at 11:08
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What is your most productive shortcut with Vim?
I've heard a lot about Vim , both pros and cons.
It really seems you should be (as a developer) faster with Vim than with any other editor.
I'm using Vim to do some basic stuff and I'm at best 10 times less productive with Vim.
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'git add --patch' to include new files?
..., it would show up as one giant hunk that couldn't be split (because it is all new!). So, then I needed to edit the hunk into smaller bits. If you're not familiar with that, checkout this reference to get started.
Update - Hunk editing info
I wanted to update this in case the above reference goes...
The term “Context” in programming? [closed]
...roviding your PIN number at the ATM). Either way, it's information that usually helps to get stuff done.
Now let's say you take your $100 and buy a plane ticket to fly somewhere warm while your mouth heals.
You arrive at a nice sunny destination, but your bag doesn't make it. It's lost somewhere i...
Way to get all alphabetic chars in an array in PHP?
Is there a way to get all alphabetic chars (A-Z) in an array in PHP so I can loop through them and display them?
14 Answers...
Linux环境离线安装docker&docker-compose - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...cho "停止所有容器服务"
docker stop $(docker ps -a -q)
echo "删除所有容器"
docker rm $(docker ps -a -q)
echo "删除docker所有镜像"
docker rmi -f $(docker images -q)
echo '停止docker服...
How to save a git commit message from windows cmd?
...you are in command mode
type in :wq
Press Return
An alternative that stdcall in the comments mentions is:
Press Escape
Press shift+Z shift+Z (capital Z twice).
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30条爆笑的程序员梗 PHP是最好的语言 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...醉还来屏下眠;酒醉酒醒日复日，得自娱自乐才行。1.问答Q：你是怎么区分一个内向的程序员...程序人员写程序,又将程序换酒钱;酒醒只在屏前坐,酒醉还来屏下眠;酒醉酒醒日复日，得自娱自乐才行。
1.问答
Q：你是怎么区分一个...