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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
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Standard C Preprocessor
$ cat xx.c
#define VARIABLE 3
#define PASTER(x,y) x ## _ ## y
#define EVALUATOR(x,y) PASTER(x,y)
#define NAME(fun) EVALUATOR(fun, VARIABLE)
extern void NAME(mine)(char *x);
$ gcc -E xx.c
# 1 "xx.c"
# ...
What parameters should I use in a Google Maps URL to go to a lat-lon?
...uld like to produce a url for Google Maps that goes to a specific latitude and longitude. Now, I generate a url such as this:
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Why is there no xrange function in Python3?
Recently I started using Python3 and it's lack of xrange hurts.
6 Answers
6
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Is an entity body allowed for an HTTP DELETE request?
... TRACE requests only, all other request types are unrestricted (section 9, and 9.8 specifically)
For responses, this has been defined:
whether a message-body is included depends on both request method and response status (section 4.3)
a message-body is explicitly forbidden in responses to HEAD r...
Your project contains error(s), please fix it before running it
I am developing a simple Android application. But when I run Eclipse, it shows the following error:
26 Answers
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How slow are .NET exceptions?
I don't want a discussion about when to and not to throw exceptions. I wish to resolve a simple issue. 99% of the time the argument for not throwing exceptions revolves around them being slow while the other side claims (with benchmark test) that the speed is not the issue. I've read numerous blogs,...
Windows batch: formatted date into variable
...g your variable namespace.
If you need UTC instead of local time, the command is more or less the same:
for /f %%x in ('wmic path win32_utctime get /format:list ^| findstr "="') do set %%x
set today=%Year%-%Month%-%Day%
s...
PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
I have an application that deals with clients from all over the world, and, naturally, I want everything going into my databases to be UTF-8 encoded.
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What is the purpose of the “Prefer 32-bit” setting in Visual Studio and how does it actually work?
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Microsoft has a blog entry What AnyCPU Really Means As Of .NET 4.5 and Visual Studio 11:
In .NET 4.5 and Visual Studio 11 the cheese has been moved. The
default for most .NET projects is again AnyCPU, but there is more than
one meaning to AnyCPU now. There is an additional sub-type o...
How do I “un-revert” a reverted Git commit?
Given a change that has been committed using commit , and then reverted using revert , what is the best way to then undo that revert?
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