what is sony s number

" indicates that the first 64 is the network ID, and the remaining 64-bit (128-64 = 64) is the host ID. IPv6 provides a "massive" address space. With it, all connected devices can have a "global" (even "whole solar system" and "whole galaxy ") A unique address. NAT is no longer needed. Although IPv6 is good, IPv4 is still the mainstream, and a large number of network applications use IPv4. I don't know how

Do I need to enable DHCP for the community or village network? The following is a technical analysis on personal opinions. My personal suggestion is to enable DHCP, but some people ask why China Telecom and China Unicom do not enable DHCP? When DHCP is enabled, you can see that the boot speed is faster. I think there are more benefits that cannot be seen. DHCP principle: When the host changes from the down

even damage to the hardware, for the players need to avoid the penny wise and foolish. 　　Triangular instructions on the motherboard and CPU to prevent access errors Do not often save machine friends in the installation of what may be the problem? The following I will introduce you to some easy to ignore the details to see if your host has to optimize the place. CPU heatsink and radiator fan

To prevent others from peeking at Foxmail, an access password is usually set for the Foxmail account. What should I do if I accidentally lose this password? The following system home introduces some methods to address the urgent needs: 1. rename or delete the account. STG File In fact, you can easily enter the account that forgets the password and browse your pre

Hdu 1847 Good Luck in CET-4 Everybody! What is the bash game ?? I am not very clear, water ~Good Luck in CET-4 Everybody!Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission (s): 5901 Accepted Submission (s): 3811Problem Description CET4 is coming soon. Are you reviewing it hard? Maybe even the short term ACM has no time to practice.

If you call the database using a single-state mode, the method has a return result set, and the database connection object I know that the connection object is destroyed at the time of destruction, ask how to release the returned result set, I know can be assigned to the array in the method and then return the array, release the result set, but sometimes need to return the result set instead of the array, p

model What do we need to take into account? Different versions of V1, V2; The method accepts the validation of the parameters (the idea of the validator may fetch some common methods into the base class basevalidate); Exceptions that may occur during the entire API call The better the code encapsulation, the more abstract, the better the Code reusability @ RESTFul API Based on resource, adding and deleting is based on the change of resource

can use JS to write a full native applicationsuch as the introduction of the small program (September 16), which is also a leading ' anti-H5 program ', one sentence summary is: Inside can be with js+ homemade UI scheme to write a similar to the native application, but this app is not published in the App Store, but published to theLike the above technologies are constantly in the impact of hybrid mode (of course, native will also have an impact), but are highly respected JS (say a lot of front-

Found that many people are learning python, but there is no clear explanation of what can be done, wondering what is currently being developed with Python? The instructor of traction training tells you what Python can do for a job?Python is a computer programming language, also known as glue language, can be used in a mixed compilation of C/c++/java and other lan

Question: For multiple groups of data, each group calculates the N number containing '123' (cannot be disconnected), for example, 1: 666, 2: 1666,14: 666. Question: I didn't think about the AC automatic solution, but I didn't know the digital DP. Here there is a digital tree similar to the digital DP, but it is different from the digital DP. Digital tree: Splits

$line [1] = Intval ($line [1]); What does this mean by writing this? Create short variable name$DOCUMENT _root = $_server[' document_root ');?> Bob ' s Auto PartsCustomer Orders Read in the entire file.Each order becomes a element in the arrayers = File ("$DOCUMENT _root/. /orders/orders.txt ");Count the number of orders in the array_of_orders = count (ers);if (_of_orders = = 0) {echo "No orders pendin

open the settings window. We can see the shared life (H) of the current disk, and the number of users accessing the shared disk is limited, there is also the "share this folder (s)" option at the top. We will remove the check box in front of this option, and then click "OK" at the bottom to save the settings to disable disk sharing. What is the meaning of the character icon on the Win10 disk? How can

What if I call a database in single-state mode? If you call a database in single-state mode, the returned result set and database connection object are included in the method. I know that the connection object is destroyed during Structure Analysis. could you tell me how to release the returned result set? I know that

Many people are switching from C ++ to C #, but I learned C ++ from C. I used vs to build a C ++ project for the first time, but I was bored as soon as I first saw it. I don't know what's going on, I cannot understand the relation

websites, in order to go to the next step. If the customer does not even access your website, you cannot perform the next step. There are many promotion methods, and enterprises should learn some effective methods. 2. what do I see for users? If a user comes to your website and does not show anything to the user, the user will definitely leave. The content of an enterprise website is mainly enterprise info

Since there is no use of experience, here are a few questions that you would like experienced brothers to share under the experience of using: For developers, using TLS and SSL is just a different configuration? Does OpenSSL implement both protocols at the same time? Using TLS or SSL, is it not all HTTPS when accessing the call? How big is the difference in time between using and not using HTTPS? If you do the configuration on the proxy server and you hang N tomcat behind, will the bo

Ask Zend_Cache how to deal with the problem of recently Studying PHP Cache database data. zend nbsp; framework has been used for a long time, which contains the Zend_Cache Cache class and can be used directly. now it is a bit of a problem. A user table needs to be cached. the main code is as follows: $ memcache = Zend_R. how can I handle Zend_Cache? Recently I have been studying the issue of PHP Cache dat

Now the company wants me to develop a mobile website, and the front-end wants me to write? What technologies do I need ?? Or the framework ?? Could you tell me that the company wants me to develop a mobile website? What technologies do I need ?? Or the framework ?? Please let us know Reply content: Now the company

Mysql string truncation mysql nbsp; 4-character string truncation nbsp; UTF-8 encoding nbsp; nbsp; the effect of string truncation is the same now nbsp; it refers to intercepting several digits nbsp; regardless of Chinese and English, what I achieve mysql intercepts string Mysql intercepts a string with 4 characters UTF-8 encoded The effect of string truncation is to intercept a few characters regar

natural disasters, their losses will be several times or even dozens of times the loss of rainstorm disasters in Beijing 7-21. 650) This. width = 650; "src =" http://images.enet.com.cn/2013/0516/99/6738556.jpg "alt =" multi rainy season approaching, company IT equipment should pay attention to what? "Title =" What should I pay attention to when the rainy season