let message = await sequlize.models.chat_message.find({ where: { type: voice , them: video , phone: 17660590622 }, raw: true }) for (let index = 0; index < message.length; indexPP) { const element = message[index]; ...
description: Stream passes in a set of numbers and then processes the output of other types is equivalent to the following code: method List<Foo> fooList = new ArrayList<>(); for (Integer i: Arrays.asList(1, 2, 3)) { fooList.add...
problem description I try to read the following json into a Map < String, List < String > >, map value whose key is condName,map is condValue now convert List < Condition > to Map < String, List < Condition > > by combining stream with Collect...
for example, the following code stream will be consumed after use, but I want to operate this stream, many times. My following code is obtained again through fs, but Io is too frequent . const stream = await ctx.getFileStream(); const fs = requi...
set of Stream stream operations using Java8 List<String> fruitList=Stream .of("apple","banana","coconut","Damson","Filbert","Lemon") .collect(Collectors....
I d like to ask you guys a few questions about tcp communication. premise: under the structure of BBUBERS website, now I have implemented a ES search on another server, which is currently provided to the original website through an interface. (c...
@ XStreamAlias (value= "{xxx,xxx} ") as above, my xml may pass two different node names, but when I convert them to an object, I want to assign them to one field. Can I write more than one value in the above comment alias, and if so, what format should...
List<Student> finalList=new ArrayList<>(); list1.stream().forEach(z->{ list2.stream().filter(j->Objects.equals(z.getId(), j.getId())).findFirst().ifPresent(i->{ i.setName(z.getName()); i.setAge(z.getAge()); finalList.add(...
I have an object List, such as List < Main >, a property in Main is a Sub object, and an attribute id in Sub. I want to sort by Main.Sub.id. What should I do? list < Main > .stream (). Sorted (Comparator.comparing (Main::getSub)) cannot be sorted by ...
public class LazyStreams { private static int length(final String name) { System.out.println("getting length for " + name); return name.length(); } private static String toUpper(final String name ) { System.o...
originally uses stream_socket_pair to communicate between parent and child processes. In multiple processes, one child process message is forwarded to other child processes through the parent process (similar to qq ), but this encounters a problem: ...
error details are shown below: the running environment of the program in which the error occurs: the program opens multiple processes listening to the same port, while endless loop 1us calls stream_select to accept client connections + read ...
want to measure the signal transmission time from the phone to the wifi, check the Android API and find no relevant information. main idea: Android receives information from the router; then read the time when the message was sent and the time it ...
the first time to write a project in vue, using the vux component library, now want to implement a style introduced on the left and right how to modify the original style? quote the component library like this, but I don t know how to change the st...
<el-checkbox style="width: 100%;height: 45px" v-for="(element,index) in formThead" :key="index" :label="element.value" @change="test1()"> <el-slider v-model=&...
problem description pip failure (pip install pyOpenSSL is normal after pip install pyOpenSSL==16.0.0) pip-V or pip list will report an error pip uninstall pyOpenSSL will also report an error the content of the error report is as follows: Tracebac...
wrote a very simple module, and then another module reference, error module is not defined 1, this is the directory structure: 2: 3, this is a reported error Administrator@WIN10-20181106R MINGW64 ~ Desktop test $ node Demo.js C: Users Admini...