in the shell script, I have the following variables to hold the url information: how do I get product_patch_20190218162130_sign.pkg? Search the awk tutorials on the Internet, learn awk fundamentals and write the following sentence: echo $urlfile |...
for example grep 20180906834424 test.log | awk {print $2} the above code will produce a result. How can I use this result as a parameter of grep to re-search the test.log file? grep 20180906834424 test.log | awk {print $2} | xargs grep PATT...
how to insert a line of code in a specified code block with commands such as sed , awk , and so on. suppose you have a file hello.php , with the following contents: piplin package, modify the app Providers AppServiceProvider.php file, and add...
A local test server is built using node+express, but only the internal network can access the tested interface, but not the external network. How to solve this problem? ...
let obj = {a:2,b:4} console.log(obj.__proto__) console.dir(Object.getPrototypeOf(obj)) node{}Object.prototype...
I see that the official document only says that web-view requires a basic library of at least 1.6.4, so how much is the basic library needed for web-view to open official account articles? Do you need to be compatible? ...
the word document generated by Freemaker is actually a xml file. How to convert this xml file into a standard word document when using POI to convert word to Html, it is found that the word generated by Freemaker cannot be converted because the conver...
problem description recently I want to use vue to implement background ion background link description this effect npm install three in the vue component import * as THREE from " three " found good to attract other js <script src="js ren...