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"# If 0/# if 1... # endif" function, 1. Let's talk about the role of "# if 0/# if 1... # endif" first. You have mentioned a little bit above, but you have not mentioned any key points. We know that the C standard does not provide single-line style

1. Let's talk about the role of "# If 0/# If 1... # endif" first. You have mentioned a little bit above, but you have not mentioned any key points. We know that the C standard does not provide single-line style annotations such as "//" in C ++, but

This article mainly introduces Verilog if (0), if (1) to Verilog syntax correction function. Verilog syntax is too simple, has always been our criticism of the place, want to achieve a function sometimes you have to knock on a large section of the

1. "# If 0/# If 1... # endif ", we know, the C standard does not provide single-line style annotations such as "//" in C ++, but only provides block annotation functions such, we usually use it to write descriptive comments (comments) in the Code

I. The role of "#if 0/#if 1 ... #endif" 1 code is defined in a number of debug version codes, this time the code is completely ignored by the compiler. If you want code to take effect, just change #if 0 to #if 1. 2 #if 0 There is also an important

Today, when I was reading a program, I found a lot # If 1 ...... # Endif # If 0 ...... # Endif It is a bit inexplicable because it has never been used. Search for answers online. Finally, I understand that it is used to annotate the

Transferred from: http://www.cppblog.com/Joe/archive/2011/05/24/147036.aspx When commenting out chunks of code, using "#if 0" is better than using "/**/", because a comment with "/**/" to block the commented out code has nested "/**/", which leads

I've seen both of them. Reply content:There's no difference in efficiency. －－－－－－－－－－－－－－ if (1== $user) In programming, if you forget a =, the program will error if ($user ==1) If you forget a =, you may never find it. is to use programming

When you comment out large chunks of code, use the"#if 0"than using"/**/"Better, because with"/**/"Comment on a larger paragraph to prevent the commented out code from having nested"/**/", this causes the commented out area of the code to be not the

Note: Over time, IE9 and above have fixed the bug (unless it is set to compatibility mode), which has already been pointed out in the original reply of the Szeto. There are many ways to detect IE, it is not necessary to use this kind of kinky

When you comment out a large piece of code, it is better to use "# If 0" than to use, because the comments with "/**/" larger segments should prevent nested "/**/" in the commented-out code "/**/", this will cause the commented-out code area to be

When comment out a large partCode"# If 0" is better, because the comments with "/**/" larger segments should prevent nested "/**/" in the commented-out code "/**/", this will cause the commented-out code area to be out of the scope you want. This is

although Mr. Situ's blog shows that the world's shortest IE has been determined for a long time, he hasn't been very careful about the principles, today, my colleague (also a member of the Program , not the front-end) asked this question again. So

What is the effect of this sentence? The condition is always false, used to skip some code snippets, to skip the code between #if 0 and #endif at compile time, which causes #if 0---#endif之间的语句不会被编译, which is a precompiled statement. When commenting

Place the following text in the Nutch_home\bin directory, name Nutch.bat, set the following Java_home and Nutch_home, and then run%nutch_home%\bin\nutch on the command line @echo off set java_heap_max= "-xmx512m" if not "%1" = = "" Goto INIT

windows-Customizing the program appearanceSummary: Describes the operations of common application appearance propertiesModify the appearance of an application window1. Modify before the window is createdYou need to do this in the CMainFrame::P

What is an ORDER by injectionThe content discussed in this article refers to the controllable position order by after the clause, the following order parameter can be controlled"select * from goods order by $_GET[‘order‘]"Simple injection judgmentIn

ObjectiveRecently in the case of some loopholes box background project Summary, in the box multi-phase project, found that the injection class of loopholes accounted for relatively large. The order by injection type of vulnerability also accounted

1:bool sqlinjection \‘"%df '%DF "and 1=1and 1=2' and ' 1 ' = ' 1' and ' 1 ' = ' 2"and" 1 "=" 1"and" 1 "=" 2) and (1=1) and (1=2') and (' 1 ' = ' 1') and (' 1 ' = ' 2% ' and 1=1 and '% ' = '% ' and 1=2 and '% ' = ' x% ') and 1=1 and ('% ' = '

This instance is used by the client to download files from the server: ServerCodeImplementation: # Include # Include # Include # Include # Include # Include # Include # Include # Include # Include # Define fd_server_port 8088/* set port */#