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Tag: why

Why is the heartbeat necessary?

Almost all online game servers have a heartbeat package (HeartBeat or Ping) design. In the recent development of mobile game servers, the heartbeat package is also used. Thinking about thinking, is

October 2, 2021By Simo Monitoring bag, Heartbeat, must, whyLeave a Comment

Performance – Why `pickle.dump” chickle.Load`ipc is so slow, is there a quick substitute?

I am using python subprocess for IPC. Now, let us assume that I have to use subprocess.Popen to spawn other processes, so I cannot use multiprocessing.Pipe for communication. First, I thought Is to

October 2, 2021By Simo Performance alternative, Chickle, Chickle.Load, dump, FAST, IPC, load, performance, Pickle, Pickle.dump, presence, slow, whether, whyLeave a Comment

Performance – When I use a thread, why will my Perl script slowly decompress the file?

So I run perl 5.10 on core 2 duo macbook pro compiled with thread support: usethreads = define, useithreads = define. I have a simple script to read 4 gzip files , Each file contains 750,000 lines.

October 2, 2021By Simo Performance decompression, file, my, Perform, perl, Script, slow, thread, time, use, why, willLeave a Comment

Performance – Idata.frame: Why is wrong “Is.Data.frame (DF) is not TRUE”?

I use a large data frame called exp( file here) in R. In order to improve performance, I suggest that I view the idata.frame() function from plyr. But I think I’m wrong

My original phone is s

October 2, 2021By Simo Performance data, df, frame, Idata, Idata.frame, is.data.frame, not, performance, true, why, wrongLeave a Comment

Performance – Excel 2003: Why do you have a link to other spreadsheets for so long?

My Excel application creates links to other Excel files. It takes about 1 second to create a link to a cell, but I have hundreds of cells to link, so it’s very Slow.
There is no difference in spee

October 2, 2021By Simo Performance creation, electronic, excel, link, long, need, Other, performance, pointing, table, whyLeave a Comment

Performance – Why is all refreshed [F5], then enter and press Enter from the address bar?

I have benchmarked my application, and I found one thing that surprised me. I hope it is clear why the two are different things. < /p> Press in the address bar, and then enter within 1.5 to 3 secon

October 2, 2021By Simo Performance Address, and press, Bar, Different, Enter, F5, performance, Refresh, then, whyLeave a Comment

WCF SOA: CRUD Data Access Service … Why is this trouble (or our design is wrong)?

There is a data access service in our SOA WCF system. This service is responsible for performing CRUD (create, update, delete) operations on “system-wide” database tables, and is also for querying

October 1, 2021By Simo Micro Services Access, CRUD, data, design, error, or, service, SOA, Trouble, WCF, We, whyLeave a Comment

Why is my Protobuf message (in Python) ignore zero value?

I have been working on implementing IPC’s protobufs for the project. For some reason, the value of 0 is not set/serialized. For the context, the .proto file contains the following message:

sy

October 1, 2021By Simo Micro Services ignoring, Message, my, Protobuf, python, why, zero valueLeave a Comment

ASP.NET-MVC – Why does 2 constructor in Default AccountController provided by MVC?

This is the default AccountController.cs generated by the framework.

public class AccountController: Controller
{
public IFormsAuthentication FormsAuth {get; private set; }
public IMembersh

September 29, 2021By Simo Asp AccountController, ASP, ASP.NET, construction, default, function, MVC, Provision, whyLeave a Comment

Why SCANF must use the address of the operator

As the title says, I always want to know why scanf must take the address of the operator (&). Because C has only “pass-by-value” parameters, to pass a’variable’ to put a value, you must pass its

September 29, 2021By Simo C & C++ Address, adopt, must, operator, scanf, whyLeave a Comment

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