directive

How to disable a warning in Delphi about "return value ... might be undefined"?

I have a function that gives me the following warning: [DCC Warning] filename.pas(6939): W1035 Return value of function 'function' might be undefined The function, however, is clean, small, and does have a known, expected, return value. The first statement in the function is: Result := ''; and there is no local variable or parameter...

c# Pre-processor directive scope

Im looking to use: #define and #if to allow me to simulate potentially absent hardware during unit tests. What are the rules for useing the #define statements? i.e. what is its default scope? can I change the scope of the directive? ...

Can specific Delphi hints be disabled?

In Delphi, you can use compiler directives to disable specific warnings, such as {$WARN USE_BEFORE_DEF OFF} But when I tried to do that with a specific hint, whose underscore_style_name I got out of the helpfile, the compiler said it doesn't know what {$HINT} is. So is there any way to do this? ...

Delphi and pointermath (possible bug in the documentation)

I was browsing the Delphi 2009 language guide. And found something strange. In the list of directives (not compiler directives) I found pointermath. RAD-Studio Reference Delphi Reference Delphi Language Guide Fundamental Syntactic Elements Fundamental Syntactic Elements [Directives] I know it...

How would you do the equivalent of preprocessor directives in Python?

Is there a way to do the following preprocessor directives in Python? #if DEBUG < do some code > #else < do some other code > #endif ...

How to include a file depending on a request attribute using the include directive

I would like to include a file depending on a request attribute value. ${theme} -> themeA To sum up. I would like something like this: <%@ include file="../themes/${theme}/jsp/content/welcome.jsp"%> Any easy workaround? ...

documentation of gnu assembler directives

I'm trying to learn mips assembly at the moment. To that end, I wrote a very simple c program... int main(){} ...and compiled it on a mips machine with the -S option to gcc to generate assembly code. Here is what the beginning of the main function looks like: .ent main main: .frame $fp,8,$31 .mask 0x40000000,-8 .f...

Conditional compilation based on a compiler directive in Delphi 2009

Is there a way in Delphi 2009 to have a section of code conditionally compiled based on a compiler directive. Specifically, I'd like to have code in place that is only included if the range-check compiler directive is turned on. Something like this: {$ifdef RANGECHECKINGISON} [do range checking code here] {$endif} ...

Visual C++: How to embed and display a compile time message in code?

Is there a way to embed a message in code that is displayed during compile-time when that piece of code is being compiled? The messages are diagnostic in nature and should not modify or abort the compile process. (Disclaimer: I know the answer to this question. I didn't find it asked on Stack Overflow and I think it would be an useful a...

Register directive for controls in App_Code with no namespace

I know that if I created a custom control, say MyLabel in App_Code .. namespace MyNamespace { public class MyLabel : Label { .. } } To access this control in my page, I would use this directive .. <%@ Register tagPrefix="foo" Namespace="MyNamespace" %> If I did not provide a namespace (MyNamespace), how do I write the Register d...

SSI escape HTML output

When i use SSI directive is there any way to escape variable with HTML entities? <META HTTP-EQUIV="Refresh" CONTENT="10; URL="/index.shtml?r=<!--#echo var="HTTP_REFERER" -->"> Thx in advice! ...

"rela.dyn", is it a must in linker directives?

Is rela.dyn section required in all linker directives even if you just want a static library to be linked? I do not want dynamic relocation of libraries(dynamic linker or run-time loader)? Should I still have a rela.dyn part in my linker directive? ...

C++ #define preprocessor

I need to know that does the #define directive in C++ declares global label? By global I mean visible in every file? I'm using Visual Studio 2008, (guess if that matters) ...

What is meant by the Passenger-enabled Nginx error 'rack_env directive is duplicate'?

When we try to start Nginx, we see this error that prevents Nginx from starting. The error exactly is: "rack_env" directive is duplicate We have set rails_env and rack_env... does this conflict in some way? Any ideas what is meant by it? We can't find any meaningful documentation in the Nginx Passenger User guide nor in the source nor...

How to use a c-type array as an ivar?

I need a good old-fashioned 2-dimensional array of integers in my program, but no matter how I try to declare it as an ivar, and then use @property/@synthesize, I get one compiler complaint or another. I declare int spotLocations[10] [10] as an ivar. That much works, but then the @property/@synthesize process never passes must...

Typedef inside/outside anonymous namespace?

In a .cpp file, is there any difference/preference either way? // file scope outside any namespace using X::SomeClass; typedef SomeClass::Buffer MyBuf; v/s namespace { // anonymous using X::SomeClass; typedef SomeClass::Buffer MyBuf; } ...

ASP.NET - Placement of @ Register directive

In the past I have always placed my <%@ Register ... %> directive(s) at the top of my .aspx pages just below the @ Page directive. I recently found out that I can place this register directive ANYWHERE in the .aspx page and still have it function correctly. We are wondering if there is any problem people can foresee with placing these ...

PHP log will not ignore repeated errors with ignore_repeated_errors = On

The title says it all. Although I have instructed php to only log an error once - i see the error over and over again in my log file. Any ideas why this directive would get ignored? I've restarted apache, etc. ...

Option Compare Text in Classic ASP

This should be a TOTAL no-brainer, but I haven't really written any classic ASP code in like 10 years and just cannot remember how to do this, and can't find it on google. All I'm looking to do is to set a Classic ASP page to use Option Compare Text, but I cannot remember the syntax for this. I've tried all of the following, as the fir...

Apache directives: Action broken

I have the following Apache directives to process every *.xml file on the web server: AddHandler ae_xslt .xml Action ae_xslt test.php DirectoryIndex index.xml index.php index.html The problem is that I get an internal server error (500). When I look in the Apache error logs I get the following error: Htaccess: Action takes ...