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How to list all installed packages and their versions in Python?

...ossibilities? (y or n) ANSI audiodev markupbase AptUrl audioop markupsafe ArgImagePlugin avahi marshal BaseHTTPServer axi math Bastion base64 md5 BdfFontF...
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How to ignore all hidden directories/files recursively in a git repository?

...orce-add some files that are necessary after this. eg. the .htaccess file. Based on your requirements of course. – dakdad Nov 5 '11 at 16:20 3 ...
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How to get a Docker container's IP address from the host

...r inspect <container id>. For example: CID=$(docker run -d -p 4321 base nc -lk 4321); docker inspect $CID share | improve this answer | follow | ...
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How to validate an Email in PHP?

...1\\x23-\\x5B\\x5D-\\x7F]|(?:\\x5C[\\x00-\\x7F]))*\\x22)))*@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-+[a-z0-9]+)*\\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-+[a-z0-9]+)*)|(?:\\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\\]]){7,})(?:[a-f0-9]{...
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Echo a blank (empty) line to the console from a Windows batch file [duplicate]

...ommended for outputting a blank line from cmd.exe. All recommendations are based on variations of the echo command. echo. While this will work in many if not most situations, it should be avoided because it is slower than its alternatives and actually can fail (see here, here, and here). Specif...
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What's the difference between libev and libevent?

...4 compared to 136 for libevent), allowing extra event types such as timers based on wallclock vs. monotonic time, inter-thread interruptions, prepare and check watchers to embed other event loops or to be embedded and so on. The extra component problem is "solved" by not having them at all, so libe...
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What is the difference between DSA and RSA?

...me of which encrypt (e.g. RSA-OAEP). But we gave every algorithms in group based crypto a different name, calling one of the encryption algorithms ElGamal encryption and calling one of the signature algorithms DSA. – CodesInChaos Oct 23 '13 at 12:40 ...
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How to debug heap corruption errors?

...is function call in my callstack dump (after memory corruption crash) : wow64!Wow64NotifyDebugger , what I can I do ? I still don't know what is going wrong in my application – Guillaume07 Dec 23 '11 at 10:56 ...
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Most efficient way to create a zero filled JavaScript array?

...rays - with 1M elements - you can perform test HERE Conclusions solution based on new Array(n)+for (N) is fastest solution for small arrays and big arrays (except Chrome but still very fast there) and it is recommended as fast cross-browser solution solution based on new Float32Array(n) (I) return...
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Can you make valid Makefiles without tab characters?

... However, since I didn't feel like doing that, I ended up using a solution based on this one. Line 1: target:\ , Line 2: [four-space indentation] followed by ;command – L S Aug 9 '16 at 19:48 ...