as mentioned in the question: randomly generate a random number of 0100 (including 0100), guess three times, if the third guess is wrong, regenerate the random number of 0100. what is the probability of guessing correctly ...
introduced two packages, kafka-clients and spring-kafka, version 0.11.0.0 and 1.3.8 respectively. Some posts on the Internet that integrate spring with kafka do not mention how to add user authentication, that is, security.protocol and sasl.mechanism as...
use a proxy on the command line in windows. Http_proxy and https_proxy are written as follows: 1, with quotation marks set http_proxy="socks5: 127.0.0.1:13569" set https_proxy="socks5: 127.0.0.1:13569" 2, no quotation mark...
see the lazy singleton, saying that it is used to delay the generation of objects, however, 1. What specific scenes did he use it in? 2. What are the benefits of delaying the generation of objects? also ask friends to give us some advice ...
r = requests.get ( http: github.com )r.url https: github.com r.status_code200r.history is requests.get ( http: github.com )) equivalent to browsing http: github.com if it uses Baidu statistics or Google statistics, will record this tra...
needs to match all values, including integers, decimals, and scientific counts. For example, + 100 ", " 5e2 ", "-123 ", "3.1416 " and "- 1E-16 " all represent numeric values. I don t know how to write regular expressions. ...