loops

问题 ---- my text file from which i have to search for the keywords [name of the file --- test] <cat -Evt file> centos is my bro$ red hat is my course$ ubuntu is my OS$ fqdn is stupid $ $ $ $ tom outsmart jerry$ red hat is my boy$ jerry is samall ------ keyword file is [word.txt] <cat -Evt file > red hat$ we$ hello$ bye$ Compensation ----- my code while read "p"; do paste -d',' <(echo -n "$p" ) <(echo "searchall") <( grep -i "$p" test | wc -l) <(grep -i -A 1 -B 1 "$p" test ) done <word.txt ---- my

问题 ---- my text file from which i have to search for the keywords [name of the file --- test] <cat -Evt file> centos is my bro$ red hat is my course$ ubuntu is my OS$ fqdn is stupid $ $ $ $ tom outsmart jerry$ red hat is my boy$ jerry is samall ------ keyword file is [word.txt] <cat -Evt file > red hat$ we$ hello$ bye$ Compensation ----- my code while read "p"; do paste -d',' <(echo -n "$p" ) <(echo "searchall") <( grep -i "$p" test | wc -l) <(grep -i -A 1 -B 1 "$p" test ) done <word.txt ---- my

问题 I am a very beginner in python and I want to repeat this code. But I dont't really know how to do this without "goto". I tried to learn about loops for hours but still no sucess. Any ideas ? import requests addr = input() vendor = requests.get('http://api.macvendors.com/' + addr).text print(addr, vendor) 回答1: Create a function repeat and add your code in it. Then use while True for infinite call or for i in range(6) for 6 times call`: import requests def repeat(): addr = input() vendor =

问题 If I have a vector: let mut v = vec![0, 1, 2, 3, 4, 5]; And I iterate through it: for &item in v.iter() {} Would &item here be a reference or a value? It seems like it would be a reference from the & part, but reading the details seem to show it's a value??? 回答1: Do iterators return a reference to items or the value of the items in Rust? There's no general answer to this question. An iterator can return either. You can find the type of the items by looking up the associated type Iterator:

来源： https://stackoverflow.com/questions/60444161/pygame-clock-and-event-loops

来源： https://stackoverflow.com/questions/60444161/pygame-clock-and-event-loops

来源： https://stackoverflow.com/questions/64326617/how-can-i-repeat-a-transformation-of-some-xml-using-xslt

来源： https://stackoverflow.com/questions/64326617/how-can-i-repeat-a-transformation-of-some-xml-using-xslt

来源： https://stackoverflow.com/questions/64326617/how-can-i-repeat-a-transformation-of-some-xml-using-xslt

来源： https://stackoverflow.com/questions/64782532/create-a-2d-array-with-2-columns-from-a-dataframe-and-loop-for-value