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Constructor initialization-list evaluation order
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280
It depends on the order of member variable declaration in the class. So a_ will be the first one...
MySQL select with CONCAT condition
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answered Apr 20 '11 at 18:02
mdmamdma
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arrow operator (->) in function heading
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220
In C++11, there are two syntaxes for function declaration:
return-type identifier ( arg...
View all TODO items in Visual Studio using GhostDoc
I'm also using GhostDoc in Visual Studio 2008. How do I view all to-do items and if that's a function already in Visual Studio or in GhostDoc (the documentation tool that I use)?
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StringBuilder vs String concatenation in toString() in Java
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answered Oct 7 '09 at 15:51
Michael BorgwardtMichael Borgwardt
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What exactly is Python's file.flush() doing?
...is a good thing, you should make both calls as instructed.
Addendum in 2018.
Note that disks with cache mechanisms is now much more common than back in 2013, so now there are even more levels of caching and buffers involved. I assume these buffers will be handled by the sync/flush calls as well,...
SELECT * WHERE NOT EXISTS
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160
You didn't join the table in your query.
Your original query will always return nothing unless ...
Can't find the PostgreSQL client library (libpq)
I'm trying to install PostgreSQL for Rails on Mac OS X 10.6. First I tried the MacPorts install but that didn't go well so I did the one-click DMG install. That seemed to work.
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Using C++ library in C code
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answered Oct 13 '08 at 23:33
Greg HewgillGreg Hewgill
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MQTT报文多个数据的提取 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...t;GQ-YIWANG-HUI-WD",
"value": 35.02,
"type": 16,
"quality": 1,
"timestamp": 1772423665
},
{
&nbs...