how to use define

During program debugging, we often need to output some debugging information. After the debugging is completed, we no longer need to use it. So how can I quickly switch between the debugging and publishing statuses? We usually use pre-compilation

Node. JS has been very popular recently, not only the open-source community is very concerned about it, but Microsoft has even provided official support for it to make node. JS can also run on Windows, Which is node. the further popularity of JS

Habit of creating NSIs scripts: Create an include directory to save the files used for installation ,. the NSI file is placed in the parent directory of include, and a resource is created in the include directory to save some resource file

Use Microsoft Visual C ++ to detect and isolate memory leaks Introduction The ability to dynamically allocate and release memory is one of the important features of the C/C ++ programming language, but Sun Tzu, a Chinese philosopher, pointed out

Document directory Offer-answer In Part 1 of our sip primer, I covered the SIP Foundation layers starting from the message structure and ending with the SIP transactions. we saw how phone registrations and proxies cocould work using these

MASM macro usage SummaryIntroductionMASM (macro volume ER) is an assembly tool provided by Microsoft. Although it has been around for some years, it still exists in newer tools such as vc.net. Many compilation textbooks take this as an object and

Reposted from cnbeta1. Info: the modifier site_name returns information about a specific page.2. Similarly, clicking "similar webpage" after a common search can link to the page results that Google considers similar.3. If you only want to search for

I. c ++ compilation Mode GenerallyProgram. Cpp file and. h file. The. cpp file is called the C ++ source file, which contains C ++Source codeThe. h file is called the C ++ header file, which also contains the C ++ source.Code. The C ++ language

# Redis configuration file example # By default redis does not run as a daemon. Use 'yes' if you need it.# Note that redis will write a PID file in/var/run/redis. PID when daemonized.Daemonize No # When run as a daemon, redis write a PID file in/

HTTP response status code # Define http_status_continue 100 OK to continue with request. # define http_status_switch_protocols 101 server has switchedprotocols in Upgrade header. # define http_status_ OK 200 request complete. # define http_status_

# Pragma is used. Although both C and C ++ have standards, almost every Compiler (in a broad sense, including connectors) extends some C/C ++ keywords. The rational application of these keywords can sometimes make our work very convenient. The #

12. toolof genflags This tool will output insn-flags, in which functions produced bygenemit will be declared, And a series have _ * Macros containing the conditionaltemplate of define_insn and define_expand patterns.   233Int 234Main (INT argc, char

Problems between tchar and STD: String I often use the STD: string class of the standard template library (STL) in C ++ programs, but encountered a problem when using Unicode. When using regular C-style strings, I can use

For Windows Shell extension programming, drag-and-drop is a relatively simple one. You can find many articles about this technique on the Internet. Most of them are implemented by coledroptarget of MFC. I think it is good to use coledroptarget, but

  Defined in lwip1.3.0/src/include/LWIP/err. h. Data Type: typedef s8_t err_t   # Define err_ OK 0/* No error, everything is OK */# Define err_mem-1/* Memory output error */# Define err_buf-2/* buffer Error */# Define err_rte-3/* routing problem */ #

Posted on

These days, in order to sort out the driver knowledge that ldd3 learned some time ago, I went to look at the USB driver. I don't know, but I was shocked. There are a lot of syntaxes in it, which I found to be great at using. It's not like writing

1. Introduction The interaction between Linux network programs and the kernel is implemented through IOCTL. IOCTL interacts with the network protocol stack to obtain information about network interfaces, the ing properties of NIC devices, and the

Why is there only one "Enum" at the beginning of the C language enumeration without an enumeration name? What is the role of this?Report |A313785 | category: C/C ++ | 66 views/* Prism54_hostapd IOCTL () cmd: */Enum {prism2_set_encryption = 6,

Errno. H --  Query Checking the error code errno is an important way to debug the program. When the linuc c api function is abnormal, The errno variable (including Errno. h) assign an integer. Different values indicate different meanings. You can