大约有 3,300 项符合查询结果(耗时:0.0211秒) [XML]

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Why does InetAddress.isReachable return false, when I can ping the IP address?

...0) as root, it should return true. you need proper authorizations for the raw socket, which is used by ICMP (the protocol used by ping) InetAddress.getByName is as reliable as ping, but you need proper permissions on the process to have it running properly. ...
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How to upgrade Git to latest version on macOS?

...all Homebrew if you didn’t have $ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" Or update if you already have $ brew update && brew upgrade Install Git with Homebrew $ brew install git Symbolic link $ brew link --force git Quit terminal ...
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A Regex that will never be matched by anything

... interest): r'a\bc', looking for a word-boundary immediately surrounded by letters on both sides (variant: nonword characters on both sides). – Alex Martelli Dec 4 '09 at 15:17 1 ...
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How can I embed a YouTube video on GitHub wiki pages?

... Markdown does not officially support video embeddings but you can embed raw HTML in it. I tested out with GitHub Pages and it works flawlessly. Go to the Video page on YouTube and click on the Share Button Choose Embed Copy and Paste the HTML snippet in your markdown The snippet looks like: ...
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When should TaskCompletionSource be used?

...personally have several issues with the NetworkStream class and prefer the raw Socket. Being that I also love the async/await pattern, I made an extension class SocketExtender which creates several extension methods for Socket. All of these methods make use of TaskCompletionSource<T> to wrap ...
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In Perl, how can I read an entire file into a string?

...spew. Path::Tiny gives even more convenience methods such as slurp, slurp_raw, slurp_utf8 as well as their spew counterparts. share | improve this answer | follow ...
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What is the lifecycle of an AngularJS Controller?

... template is loaded... the docs say the opposite, but they are refering to raw template: "HTML STRING" when it's a template file it gets loaded async like. – user3338098 Apr 9 '15 at 15:12 ...
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Docker how to change repository name or rename image?

...the end of it and gives an error claiming it couldn't find it. The first 3 letters works much better. (i.e. docker tag d583c3ac45fd myname/server:latest doesn't work whereas docker tag d58 myname/server:latest works.) – John Hamilton Sep 26 '17 at 13:04 ...
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Explode PHP string by new line

... This pattern would match every letter for me, because it results in success even if nothing is present. "?" means 0 or one time, so it is possible for it to match even if both \r and \n are not present. You say "fixed" but I don't see that. I used /(\r|\n)...
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What text editor is available in Heroku bash shell? [closed]

... dyno, just run mkdir /app/nano curl https://github.com/Ehryk/heroku-nano/raw/master/heroku-nano-2.5.1/nano.tar.gz --location --silent | tar xz -C /app/nano export PATH=$PATH:/app/nano This will download a copy of nano from this plugin and put it in your PATH. ...