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编译错误 error: ISO C++ forbids declaration of ‘xxx’ with no type [-...
...般可以采用#ifndef或前置声明解决该问题。
可能的情况3：
error: ISO C++ forbids declaration of ‘typeof’ with no type [-fpermissive]
typeof关键字是GNU C拓展，编译选项需要加 -std=gnu99 （或-std=gnu++11 对应C++11标准）才能被识别。类似于c...
Code Golf - π day
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In dc: 88 and 93 93 94 96 102 105 129 138 141 chars
Just in case, I am using OpenBSD and some supposedly non-portable extensions at this point.
93 chars. This is based on same formula as FORTRAN solution (slightly different results than t...
How do I declare a 2d array in C++ using new?
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edited Feb 15 '18 at 22:33
AAEM
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answered Jun 1 ...
Is Meyers' implementation of the Singleton pattern thread safe?
...sual Studio: supported since Visual Studio 2015
GCC: supported since GCC 4.3
Thanks to @Mankarse and @olen_gam for their comments.
In C++03, this code wasn't thread safe. There is an article by Meyers called "C++ and the Perils of Double-Checked Locking" which discusses thread safe implementati...
Python: try statement in a single line
...annoys me)
– Brant
Mar 26 '10 at 16:36
@Brant, Okay, that situation is a bit different than checking if a variable is ...
What's the best way to refactor a method that has too many (6+) parameters?
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23 Answers
23
Active
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How to generate the “create table” sql statement for an existing table in postgreSQL
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374
pg_dump -t 'schema-name.table-name' --schema-only database-name
More info - in the manual.
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Best way to get application folder path
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543
AppDomain.CurrentDomain.BaseDirectory is probably the most useful for accessing files whose loca...
Why does this code using random strings print “hello world”?
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answered Mar 3 '13 at 4:40
FThompsonFThompson
26.3k1111 gold badges5151 silver badges8585 bronze badges
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How to create a zip archive with PowerShell?
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edited Aug 2 '18 at 12:53
Andrew Diamond
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answer...