what is microsoft contact number

In the Nginx reverse proxy mode, the page loading is incomplete or the 502 bad gateway appears directly. There are many cases of 502 bad Gateway, most of which are related to the setting of the Nginx timeout problem. The following is a discussion of a situation that is relatively rare but has to be noted. Presence Environment Nginx work in reverse proxy mode,

When surfing the internet, we often see the word "Port" and often use the port number. For example, if "21" is added after the FTP address, "21" indicates the port number. So what does port mean? How can I view the port number? Does a port become the door to malicious cybera

Michael brand raised the following question in the April 2014 puzzle of using your head is permitted quenti: In the recently popular mini game 2048, what is the maximum number you can get? Here, we will briefly describe the rules of the game. The game is played on a 4x4 Boa

There are a lot of key=>value form of value pairs, such as: XXXX=GT;AAAAAAA, the value once established will not change, the number of words will reach millions later, and often access to, concurrency is not high, but to ensure that the data integrity. What is the best way to save? Reply content: There are a lot o

What is the optimal number of text boxes on a single page of the App ?, App text box count [1]. The number of optimal text boxes on each page varies with mobile phone screens of different sizes. [1.1] for iPhone 4 screen size, when the resolution is 640x960px, the maximum

When I installed SQL Server 2000 on a win2003 machine, a window popped up asking me to enter the serial number... The SQL statement has already integrated the serial number. The default value is M4FMF-7FBWJ-QW39C-4HDXR-MWHMD When you click "OK", the system prompts that the serial number

Test System Window 2003 Server, IIS 6.0, ASP.net 3.5 SP1 Dual 1.8 Dual Core, 2G memory, 14G virtual memory. To explore the maximum number of concurrent IIS, make a few assumptions. 1. Assume that the maximum concurrent number is the current number of connections. This means that the maximum connection

What if the number of VLANs is insufficient?-The Q-in-Q Technology of beacon network makes VLAN configuration more flexible (18:38:03) In the IP data network architecture, when using a vswitch as the access device and using a LAN as the access methodAn important issue is the isolation between users, b

Tags: Red understanding Ali 0.00 Add space from dump data typeThe number type of Oracle is composed of up to three parts, and these three sections are the highest bit representation bits, data parts, and sign bits. Where negative numbers contain sign bits, positive numbers do not include sign bits. In addition, the value 0 is more special, it contains only one nu

In SQL statements, when the number of conditions is very large, what better way to replace the where...in conditional clauses? When the Where condition in the SQL statement is where ID in (1,2,3,4,8,11,23,56,89,110,...), that is, when the

I mean, what is a connection? If a process connects to mysql and mysql assigns a process to connect to PHP, is this a connection? For example, the maximum number of connections in mysql is 50, does it mean that there are 50 waiters in the restaurant mysql, right? If you use

Mysql uses the bigint field to store the 10-digit mobile phone number, which is truncated. How can I store a mobile phone number in the BIGINT field every time. No matter what the 11-digit number is, only 4294967295 and echopow (4

What is the limit of the number of accesses per second that a single PHP process processes What is the limit of the number of accesses per second that a single PHP process can handle? What