buff[1024]; vsprintf (Buff, "a=%d,b=%d,c=%d\n", AP); Formats the value of the variable list to output to the buffer printf ("%s\n", buff); vfprintf (stdout, "a=%d,b=%d,c=%d\n", AP); Print the value of the variable parameter list to the standard output //variable parameters The address of the type int is vsscanf ("10,30,40", "%d,%d,%d", AP); The value of the formatted string, in turn, is entered into the variable parameter variable (buff, vsnprintf, "a=
Popular usage: Each digit of the binary represents a state.
001,010,100 This means three states.
You can combine various states by or | operations.
001|010=011
001|010|100=111
A state can be removed by the operation of the .
111001=110
You can define a combination of such macros as a function parameter
#defineP10x001L//001
#defineP20x002L//010
#defineP30x004L//100
Voidfunc (long) {}
Func (p1| P2);
You can tell if a bit is 1.
Since 001 and XXX have
Anonymous sources close to Microsoft said today that Office 2013 for Windows RT Edition will be available later this year or early next year with arm tablets, which is the first time Microsoft has faced flat-panel publishing office. However, this version has been decided to cancel a number of functions, including macros, Third-party add-ins, and VBA support are discarded, and the reason for this decision is not to affect the battery endurance and reli
From:http://blog.chinaunix.net/uid-675476-id-2076827.html
In SAS macros, strings are enclosed in double quotation marks, but if a string contains special characters such as double quotes or a percent semicolon, a single quotation mark is used to escape the special characters in the string. Like what:%let test = ' A ' is the first character! ';
However, if the string contains single quotes, the above method is invalidated. So more generally, SAS provi
Templates and macrosSome days ago, when the Forum was hitting a storm, someone came up with the conclusion that the template is essentially a macro. As a result, you have had a good debate. I originally wanted to join the debate, but I thought everyone's remarks had covered my ideas, so I did it.Although I did not participate in the discussion, the question "What is the relationship between templates and Macros?" is always on my mind. Every time I rel
advantage of macro functions, compared to regular function calls, is that they will be expanded in place prior to compilation, helping to improve the performance of the code (is it a bit of a feeling of inline functions?). )。 Because macros do not consider data types, it is dangerous to use macros, which needs to be taken into account. In addition, the macro is a simple substitution, the macro function mus
Speaking of macros, I'm afraid everyone can say something: A preprocessing without a semicolon (is it true ?). What then?Well ......Okay, let's start from here.The most common macro may be # include, followed by # define and .......Let's classify the macro's usage:
1. # include is mainly used to include referenced files, so far its position can be replaced by no one;
2. comment out the code. For example:# If 0.......# Endif;This mechanism is currently
The main function of macros is to simplify code writing and to simplify some areas where repeated code is needed to get code that looks more elegant. However, it is not easy to use macros well. Poor macros can easily cause disastrous consequences. This article will introduce some practical techniques for comparing macros.First is the most commonly used techniques
Author: Kevin Lynx Source: C ++ blog
From: http://www.kuqin.com/language/20080319/4797.html
Many C ++ books advise us that C language macros are the first of all evil, but things are not as bad as we think, just like Goto. MacroA major role is to automatically generate code for us. If the template can generate various types of code (type replacement) for us ),In fact, macros can generate new Code (replaceme
Tn059: Using mfc mbcs/Unicode conversion macros
The following technical note has not been updated since it was first defined ded in the online documentation. as a result, some procedures and topics might be out of date or incorrect. for the latest information, it is recommended that you search for the topic of interest in the online documentation index.
This note describes how to use the macros for MBCS/Un
The first part: MacroWhy use macros? because a function call must transfer the execution order of the program to an address in memory of the function, the program content of the function is executed and then returned to the place before the function is transferred. This transfer operation requires the site to be saved and the address of the memory to be executed before it is transferred to the site, back to the scene, and continue with the original sa
Correct use of IOS macros (define) and constants (const)In iOS development, macro definitions are often used, or some data types are modified with const, and often developers do not know how to use them correctly, resulting in the confusion of macros and const decorations in the project.Can you distinguish between the following? Do you know when to use it?#define Hscoder @"Hansha haha"nsstring *hscoder = @
This article mainly introduces the simple use of Zabbix macros and monitors Redis related metrics through custom scripting.Zabbix monitoring Redis requires a custom script to monitor, and scripts on the network are not very useful for having multiple Redis instances on a single machine. the next monitoring script is modified so that it can accept incoming port parameters. Principle: Filter out information for info output via Redis Client connection co
In editing macros macro: An action or a set of actions that you can use to automate tasks. You can record macros in the Visual Basic for Applications programming language. , you should familiarize yourself with the Visual Basic Editor (Visual Basic Editor: An environment that writes new Visual basic for Applications code and procedures, and edits existing code and procedures.) The Visual Basic Editor includ
Lecture Notes: Macros
Lisp functions take Lisp values as input and return Lisp values. they are executed at run-time. lisp macros take Lisp code as input, and return Lisp code. they are executed at compiler pre-processor time, just like in C. the resultant code gets executed at run-time. almost all the errors that result from using macros can be traced to a misun
The macro is actually in our Word or Excel, often encounter a word, perhaps a lot of friends, do not understand it, but its usefulness is really very powerful. Next, interested users can learn how to create a macro in Word with a small weave.
Word
You can use the macro recorder to record a series of actions to create Macros macro: An action or a set of actions that you can perform to automate tasks. You can record
Reproduced in http://blog.csdn.net/aobai219/article/details/6092292
#if
#ifdef
#if defined
In GNU C, a macro can accept a variable number of arguments, just like a function, such as:#define PR_DEBUG (Fmt,arg ...)/PRINTK (Kern_debug fmt,# #arg)passing variable parameter tables with variable-parameter macros (variadic macros)You may be familiar with the use of variable parameter tables in functions such a
Today, I mentioned the code comments in vs in a video from instructor Niu. There are a lot of comments on the Internet. I have also done this before, that is, how to follow the steps in a machine-like manner. I have never thought about more, so I have to repeat Baidu again this time. The connection address. The procedure is detailed.Two comments about vs: the code for template modification and the macro project for template modification. In my opinion, the first method is relatively rigid. From
I 've been procrastinating, playing with Lisp, but I can't solve this problem after all. In this case, I started to shake my mind.
The author first complained and compared the differences between lisp macros and other languages. Formally speaking, the so-called standard macros are the same as class libraries such as c and java, it is the stuff that has been completed and verified in advance and encapsulated
Document directory
Visual Studio 2010 and SharePoint templates
Attach event to list
Inter-boundary Communication
Access client and offline mode
Concurrency consequences
Notes
Conclusion
One challenge facing Access Services is to ensure that the logic behind various objects is portable between Access itself and the Access web database hosted by the SharePoint website. Use macros to implement logic in Access. Specifically, Access Services mea
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