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What are some better ways to avoid the do-while(0); hack in C++?
...(RET(computation_result), ENSURE_SUCCESS(computation_result, return_code), etc.).
C++ offers extra tools over C:
The cleanup block functionality can be implemented as RAII, meaning you no longer need the entire cleanup block and enabling client code to add early return statements.
You throw whene...
ASP.NET “special” tags
...e;
}
</script>
This is used to include additional members (methods etc.) to the class generated from the ASP.NET markup. These have only ever been provided "primarily to preserve backward compatibility with older ASP technology" and are not recommended for use.
...
Does Java have something like C#'s ref and out keywords?
...ould be expanded on some. You can only pass primitives (int, short, char, etc.) as value. And no, there is no out.
– Corey Sunwold
May 10 '10 at 21:26
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Why isn't Python very good for functional programming? [closed]
...tic currying, make point-free style overly verbose, don't have lazy lists, etc. So, if iterators instead of lazy lists makes Python a bad functional language, having neither must make CaML a terrible functional language?
– abarnert
Nov 13 '14 at 1:23
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Java Programming - Where should SQL statements be stored? [closed]
...ia for UI queries, well-defined queries (reporting / service interaction / etc...) should all be in HQL.
– ChssPly76
Nov 2 '09 at 22:29
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sh...
How to intercept touches events on a MKMapView or UIWebView objects?
...map view, and then use the gestureRecognizer's touchesBegan, touchesMoved, etc. to your fancy.
How to detect any tap inside an MKMapView (sans tricks)
WildcardGestureRecognizer * tapInterceptor = [[WildcardGestureRecognizer alloc] init];
tapInterceptor.touchesBeganCallback = ^(NSSet * touches, UIE...
初窥InnoDB的Memcached插件 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...ell> bin/mysqld_safe --user=mysql &
shell> cp support-files/mysql.server /etc/init.d/mysql.server
MySQL安装完毕后，在插件目录我们能看到innodb_engine.so和libmemcached.so：
mysql> SELECT @@plugin_dir;
+------------------------------+
| @@plugin_dir |
+--------...
How to remove from a map while iterating it?
...call, or to swap it to a preincrement "because that's just a style thing", etc.
– Dewi Morgan
Jan 29 '15 at 23:11
4
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Using member variable in lambda capture list inside a member function
...robably gets optimized out. Shorter and better is: auto& tmp = grid; etc.
– Tom Swirly
Aug 10 '15 at 17:49
4
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What is the difference between NULL, '\0' and 0?
... 64 64 64 Most Unix and Unix-like systems (Solaris, Linux, etc.)
ILP64 16 64 64 64 64 HAL
SILP64 64 64 64 64 64 ?
Edit:
Added more on the character literal.
#include <stdio.h>
int main(void) {
printf("%d", sizeof('\0'));
...