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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...E(mine)(char *x);
$ gcc -E xx.c
# 1 "xx.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "xx.c"
extern void mine_3(char *x);
$
Two levels of indirection
In a comment to another answer, Cade Roux asked why this needs two levels of indirection. The flippant answer is because that's ho...
Is gcc std::unordered_map implementation slow? If so - why?
...rote a benchmark to figure out, how much slower our concurrent hash map is compared with std::unordered_map .
3 Answers
...
What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?
...gs along the way. ASP.NET is no longer treated as an external plugin. It's completely blended and integrated in IIS. In this mode, ASP.NET HttpModules basically have nearly as much power as an ISAPI filter would have had and ASP.NET HttpHandlers can have nearly equivalent capability as an ISAPI exte...
What exactly is Hot Module Replacement in Webpack?
...r may not require user interaction in this process (you decide).
From the compiler (webpack) view
In addition to the normal assets, the compiler needs to emit the "Update" to allow updating from a previous version to this version. The "Update" contains two parts:
the update manifest (json)
one o...
Which parts of Real World Haskell are now obsolete or considered bad practice?
... provides additional insight, but be aware, some sections aren't really newcomer friendly.
General remarks
Read the comments. They usually contain information whether the given paragraph/section is still relevant and/or working.
Read the documentation of the libraries/functions you want to use. E...
Differences between MySQL and SQL Server [closed]
... in the way SQL Server and MySQL implement the SQL syntax.
Here's a nice Comparison of Different SQL Implementations.
For example, take a look at the top-n section. In MySQL:
SELECT age
FROM person
ORDER BY age ASC
LIMIT 1 OFFSET 2
In SQL Server (T-SQL):
SELECT TOP 3 WITH TIES *
FROM person
...
horizontal scrollbar on top and bottom of table
... Did you get it to work? For more on jQuery, see api.jquery.com/scrollLeft (Of course, you can do it without jQuery by attaching onscroll handlers directly.) For graceful degradation for users with no JS, you can add the dummy div to the DOM by JS.
– StanleyH
...
What is the difference between window, screen, and document in Javascript?
...
The comment from @Mandy confuses window with viewport. A window is the JavaScript object for the browser tab or <iframe> (or deprecated <frame>). The viewport is the rectangle of the rendered document seen within the ...
Can IntelliJ IDEA encapsulate all of the functionality of WebStorm and PHPStorm through plugins? [cl
...ghter products, but is not available in IntelliJ IDEA Ultimate, you are welcome to report it and we'll consider adding it.
While PHP, Python and Ruby IDEA plug-ins are built from the same source code as used in PhpStorm, PyCharm and RubyMine, product release cycles are not synchronized. It means tha...