what is tripwire

When you start the game, you must be reminded to reduce the draw call and, of course, unity is no exception, open the Stats in the game window and see the numbers of draw calls and batched. But what exactly is Draw call? Is the effect coming from the CPU? or GPU? Let Unityin once tell you.First, let's define

What is LinuxThe same set of operating systems cannot be run on a platform of different architectures.Refer to the HARDWARE function function and modify your operating system program code, the revised operating system will be able to run on another hardware platform. This is the software migration .Linux is an open-sou

What the hell is this?Presumably everyone has played sports lottery, lottery, and even 6 wo tread (understand the line), in a random way to List 6 (or 7, or 8) of the set of numbers, the participants can be based on the number of bookings have been matched, matching the correct 3 what kind of reward, match all right is

What is the difference between main () and _ tmain ()? What is the difference between main_tmain? People who have used C know that every C program has a main (), but sometimes it is found that the main function is not int main (),

method we have introduced to use and describe more devices and objects, and there is nothing special about it. B. What is Lun? Lun ID is not equal to a device, but a number. It does not represent any physical attribute. In our actual environment, the Lun we encounter may be a disk space or a tape drive, or media chang

What is dependency and what is abstraction 1. About dependency and coupling: from a small country to a harmonious society In Lao Tzu's "little country and few people" theory, I proposed an ideal social state: neighboring countries look at each other, and the people are dead and busy. This

What is the relationship between utf8 and unicode encoding? What is the difference? UTF8 = Unicode Transformation Format -- 8 bit It is a Unicode transfer format. Converts a Unicode file to a BYTE Transfer Stream. UTF8 Stream Conversion Program: Input: unsigned integer c-th

prevent inconsistent data. Database at design time, the primary key plays a very important role.The primary key guarantees that the record is unique and the primary key domain is not empty, and the database management system automatically generates a unique index for the primary key, so the primary key is also a special index.2. There can be multiple unique inde

What is a shell? What does bash do? What's the matter?The shell is the interface between you (the user) and Linux (or, more accurately, you and the Linux kernel). Each command you enter at the prompt is interpreted by the shell before being passed to the Linux kernel.The she

gateway, to explain the general knowledge for your instance: -------------------------------------Invincible Separator--------------------------------- Simulate dual-NIC: To learn how the dual network adapter, route table, and gateway are going, it is best to have a dual network adapter environment. For this reason, a simple VPN is used to simulate it. VPN basics:In a private network, the port number ca

There is no doubt that the Linux kernel needs to manage all the hardware devices connected to the computer. If you want to manage these devices, you need to communicate with them first, there are generally two scenarios for this functionality:1. Polling (polling) allows the kernel to periodically query the status of the device, and then make the corresponding processing;2. Interrupt (interrupt) allows the hardware to signal to the kernel when needed (

What is a data warehouse, and what is the difference between a databaseDataWarehouseis a subject-oriented (Subject oriented), integrated (integrate), A relatively stable (non-volatile), data collection that reflects historical changes (timeVariant) to support management decisions. (1) topic-oriented: Index data in the

distinguish: compile-time and run-time.ID obj = someinstance;if ([obj Iskindofclass:someclass]) {SomeClass *classspecifiedinstance = (SomeClass *) obj;}(2) Dynamic bindingDynamic binding is seemingly more difficult to remember, but in fact it is very simple, just remember the keyword @selector/sel. First look at "functions", for some other static language, such as C + +, generally at the time of compiling

What is the difference between single quotes and double quotes of strings in PHP? What is the difference between delimiters and double quotation marks? (1) What is the difference between single quotes and double quotes? 1. you c

the role of BIOS :The BIOS can be a cornerstone of computer startup and operation. The computer failures and BIOS settings that we often see are closely related. For example, your BIOS simply does not recognize some new hardware or is not fully supported for the current operating system. In this case, the issue can only be resolved if the BIOS is reset or the BIOS is