commandlinefu.com is the place to record those command-line gems that you return to again and again.
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Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):
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It's not my code, but I found it useful to know how many open connections per request I have on a machine to debug connections without opening another http connection for it.
You can also decide to sort things out differently then the way it appears in here.
If we have a csv like structure:
And we wish to find all numbers that are bigger then 1 (or find a number that is bigger then 1 regardless of the structure), including numbers that start with 1 such as 10 and above.