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...
the scroll bar style of the default element-ui table is like this, is there any other scroll bar style? How to modify it? ...
phenomenon is described in the title, the code is as follows: <el-form-item label="" prop="first_channel_code"> <el-input type="number" v-model.number="ruleForm.first_channel_code">< el-input&...
how can I modify the checkbox event that cannot be bound? the link contains all the current code link description the following is the related code, ask the boss for help checkbox_complete function listen_checkbox_complete(){ $( .task-...
1. Singleton Retrofit: public class NetWork { private static Retrofit retrofit; **Retrofit* public static Retrofit getRetrofit(){ if(retrofit==null){ Retrofit.Builder builder = new Retrofit.Builder(); Retrfit ...
is there anything wrong with me to configure routing like this? Why does clicking on page1 page2 not change the sub-route but jump the whole page? ...