publicclassTestEfficiency{publicstaticvoidmain(String[]args){longstartTime,endTime;// if-else performance teststartTime=System.nanoTime();for(inti=0;i<1000000;i++){intvalue=i%10;if(value==0){continue;}elseif(value==1){continue;}elseif(value==2){continue;}// ... more conditionselseif(...
https://stackoverflow.com/questions/33646781/java-performance-string-indexofchar-vs-string-indexofsingle-string 2. 考虑使用阿里 p3c 插件 该插件和 SonarLint 不冲突,可同时使用。 3. switch 必须有 default [阿里手册] 在一个 switch 块内,都必须包含一个 default 语句并且放在最后,即使空代码。 原因:1....
省略thenif a then end --> if a end 省略dowhile a do end -- while a end 省略infor k,v in pairs(t) do end --> for k,v pairs(t) end 支持switchswitch a case 1,3,5,7,9 print(1) case 2,4,6,8 print(2) case 0 print(0) default print(nil) end ...
void createFile(String name,boolean temp){ if(temp){ new File("./temp"+name); }else{ new File(name); } } 好的: void createFile(String name){ new File(name); } void createTempFile(String name){ new File("./temp"+name); } ...
While the automated retry behavior helps to improve resiliency and usability for the most applications, it might come at odds when doing performance benchmarks, especially when measuring latency. The client-observed latency will spike if the experiment hits the server throttle and causes the client ...
If your extension uses the API in an unintended fashion or does not follow expected housekeeping protocols, you may find it an uphill battle with a rat's nest of if/else condition handling and fixing one bug only leading to creating another one....
If you have 300 threads running and 8 cores to run them on, you have to divide the time up so each one gets its share, with each core running for a short period of time and then moving onto the next thread. This is done through a “context switch,” making the CPU switch from ...
if (resultCode == JobScheduler.ResultSuccess) { Log.Info("Message", "Job Schedule!"); } else { Log.Info("Message", "Job shceduling failed"); } } public void CancelJob() { scheduler.Cancel(123); }` AttendancePage.cspublic partial class AttendancePage : ContentPage { MainActivity main...
</If> <Else> Service type="magnus-internal/php" fn="set-variable" error="404" </Else> Troubleshooting FastCGI Plug-in Fastcgistub is a process manager that manages the lifecycle of the FastCGI application processes. Fastcgistub logs its messages into aFastcgistub.logfile under Web Server's ...
if (o.getClass() == C.class) { … // code with in-lined calls -- much faster } else { … // code without in-lined calls } } An Example System: the HotSpot Java Compiler HotSpot is Sun's principal JVM and JIT compiler for desktop and server systems. It was first released in ...