Today, my colleague sent me an access file and opened it and jumped out of a form. I want to see some properties of this form. I didn't expect the file to be automatically closed after I pressed the design view button. # % $ *@! # ^ ?, Challenge me!
Open the file again and clickToolsMenu>StartupIn general, the form started when the access file is opened is set here, but there is nothing in the main here. I originally wanted to cancel the form opening here.
Let's take a look at the other one
Objective:In the work, many small partners will be in the PCH file definition some common macros, but also afraid to write these simple macro waste of time, and sometimes forget how to define what to do? I am also in the work of the same. So here to share some common macro definitions, like the small partners can be used directly in the project (continuous update)!For the convenience of everyone, please cli
Solo windLinks: C Language Macro definitions (1)1, why should there be a macro definition?A particular value in the code needs to participate in the operation, and the value in many places, when it is necessary to modify the value, you want to change only one place to achieve the full update of the value, even if a value is used only once, when the changes will be faced with the search to read a large numbe
The following is a look at the use of this Assembly pseudo-directive (ARM GNU)-----Its own translation of the ambiguous view of the original English languageInstructions:. macro/. EndmGrammar:The macro name. MACRO [Formal parameters]........Macro definition Statement......... EndmDescribe:With the.
Author: panzhutingThis article describes the characteristics, implementation concepts, and principles of network security emergency response from the perspectives of "looking at emergency response", "Three Views", and "Three Views of emergency response. The article first introduces the unique position and complexity of emergency response in network security, while the macro, medium, and micro aspects of the "three view theory" correspond to the three
Many experts like to use the "macro" command to improve office work efficiency. However, when using macros in Microsoft Office programs, the macro security warning is always displayed, especially when creating a resume table, macros are often used, which makes users feel a lot of trouble each time they open them. If we set the macro security level to "low", we ca
Usage of "#" and "#" in macro
I. general usage
We use # to convert the macro parameter into a string, and # to combine the two macro parameters.
Usage:
# Include # Include Using namespace std;
# Define STR (s) # s
# Define CONS (a, B) int (a ## e ## B) int main ()
{
Printf (STR (vck); // output string "vck"
Printf ("% d/n", CONS (2000); // 2e3 output:
Return 0;
}
First on the source code:The file is portmacro.h, derived from the underlying code in the dynasty project (Nvic Interrupt control section)1 #definePortnvic_int_ctrl_reg (* (volatile uint32_t *) 0xe000ed04ul)2 #definePortnvic_pendsvset_bit (1UL 3 4 5 voidVportyield (void )6 {7 /*Set a PENDSV to request a context switch.*/8Portnvic_int_ctrl_reg =Portnvic_pendsvset_bit;9 Ten /*barriers is normally not required but does ensure the code is completely One within the specified behaviour for the
The difference between a macro and a function:1, the macro does is simple string substitution, is not limited by the type, and the function is the parameter's pass, is limited by the parameter type.2. The macro-body replacement macro name is completed before compiling, and the call to the function parameter is to pass
macro tracking for debuggingThe ANSI standard specifies five predefined macro names:_ Line _ (two underscores), corresponding to % d_ File _ corresponds to % s_ Date _ corresponds to % s_ Time _ corresponds to % s_ Stdc _
Usage of "#" and "#" in macro:Use # To convert macro parameters into a string, and use # to combine two
Label: Ar use SP data on code BS amp ef
Container_of Macro Analysis// The macro is located in include/Linux/kernel. h.
1. Define the format
/**
* Container_of-cast a member of a structure out to the Containing Structure
*
* @ PTR: the pointer to the member.
* @ Type: the type of the container struct this is embedded in.
* @ Member: the name of the member within the struct.
*
*/
# Defin
named initcall. init, and analyze the kernel initialization function.How does do_initcballs () Use macro definition _ define_initcall (Level, FN) and its phaseTo initialize some parts of the kernel in sequence.1. Analysis _ define_initcall (Level, FN) macro definition1) The macro is defined in inlclude/Linux/init. h:# DEFINE _ define_initcall (Level, FN )/Static
Network Source: http://blog.chinaunix.net/uid-14022540-id-2849095.html
usage of "#" and "# # " in macros
I. GENERAL usageWe use # to turn the macro parameter into a string , and use # # to fit the two macro parameters together . #include #define CONS (A, b) ((int) (a# #e # #b)) #define STR (s) #s int main () {printf ( %s\n " ,str (ABC)); printf ( %d\n ", CONS (2 , 3
Http://blog.163.com/wshyao@126/blog/static/1070451420081018103237836/
# Connector and # Connector
# The Concatenation symbol is composed of two pound signs. Its function is to connect two substrings (tokens) in the macro definition with parameters to form a new substring. But it cannot be the first or last substring. The so-called token refers to the minimum syntax unit that the compiler can recognize. The specific definition has a detailed explanatio
Https://www.jianshu.com/p/7c20b299ee63Traditionally, we've been calling this thing a variable in makefile, which is essentially a macro, just a string substitution. How can we call it a macro?Name of the macroMakefile macros can contain characters, numbers, and underscores. One thing to note is that a macro is a macro,
turn on macro command function
In PowerPoint 2013, for example, the operations of other versions are slightly different.
Click menu: file → options → custom ribbon → main tab, tick "development tools". or find "macros" directly in all commands and add them to the custom menu.
Click the "Development tool" menu, you can see the "Macros" icon in the common toolbar "code"
Enable Macros and enter the appropriate VBA code
Proced
When writing a Graph template class, in order to enable the user to customize the type of distance, such as int or double or even other high-precision rational number encapsulation class,I defined the type of distance as template parameter t_dist and used library functions in the standard librarySTD :: numeric_limits t_dist : : Max ()To define the maximum distanceTemplateTypeName t_dist>ConstTypeNameTopologicalgrapht_dist: :DistanceTopologicalgrapht_dist: :max_distance= (STD::numeric_limitst
We all know that using macros is not only convenient, but also can improve development efficiency. Here's a summary of some of the common macros in the iOS development process that will continue to be added.
Objective-c
Whether the string is empty #define KSTRINGISEMPTY (str) ([str iskindofclass:[nsnull class]] | | |-str = NIL | | [STR length]
1. Define macro for Dimension class
DimensMacros.h
//status bar height
#define Status_bar_h
1. Recognizing
The variable length parameter is a special parameter form of the C language, such as the following function declaration:
int printf (const char *format, ...);
Such a declaration indicates that the printf function can append any number of arguments, any type of argument, except for the first argument type, which is a const char*.
The implementation of printf, for a rough example.
Assuming that Lastarg is the last named parameter of a variable-length parameter function (for example
Turn from: http://blog.csdn.net/norains/article/details/5935279
//=====================================================================TITLE:STM32F10X_XX macro-defined selectionAUTHOR:NorainsDATE:Tuesday 12-october-2010Environment:KEIL MDK 4.0Redcow Board//=====================================================================
If you use Stm32f10x_stdperiph_lib, you will find that there is a section of code in the Stm32f10x.h file about
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