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Can I call a constructor from another constructor (do constructor chaining) in C++?
...or: SomeType(string const &s) { /*...*/ } SomeType(char const *pc) : SomeType(string(pc)) { /*...*/ }
– Cyrille Ka
Sep 14 '15 at 18:14
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Compile Views in ASP.NET MVC
...ler won't, such as missing/incorrect views and actions. R# will slow your PC down a bit (I find it fine on a large-ish project with 4GB ram and a hyperthreaded CPU) but I easily make back the time I spend waiting for it, and I end up doing fewer operations on my code as R# provides higher level ope...
Bash empty array expansion with `set -u`
...
$ bash --version | head -n 1
GNU bash, version 4.4.19(1)-release (x86_64-pc-linux-gnu)
$ set -u
$ arr=()
$ echo "foo: '${arr[@]}'"
foo: ''
There is a conditional you can use inline to achieve what you want in older versions: Use ${arr[@]+"${arr[@]}"} instead of "${arr[@]}".
$ function args...
Windows下 C++网络延时检测 - C/C++ - 清泛网 - 专注C/C++及内核技术
...毫秒数ms，负数表示ping不通
当然，以上的方法只是模拟dos的ping命令，只针对ip是否可ping通、延时多少。如果还要检测服务器指定端口是否正常服务，这就类似telnet命令了。
解决方案参考：《mfc telnet 端口，代码实现、不调...
Does the default constructor initialize built-in types?
... // Uses value-initialization feature instead
assert(c.x == 0);
C *pc = new C(); // Does not use default constructor for `C()` part
// Uses value-initialization feature instead
assert(pc->x == 0);
The behavior of () initializer is different in some respects between C++9...
Convert UTC/GMT time to local time
...ing a C# application for a web-service client. This will run on Windows XP PC's.
11 Answers
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Why should I use core.autocrlf=true in Git?
...this scenario) are converted to CRLF line endings on checkout to a Windows PC. All files are converted back to LF line endings on commit from a Windows PC. The way to get in trouble is to checkout initially to a Windows PC with the wrong core.autocrlf setting (which is entirely too easy to do).
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What does a type followed by _t (underscore-t) represent?
...tforms -- so whose int are you conforming to? (Although, these days, most PC-centric development treats it as 32 bits, much stuff for non-PC development still treat int's as 16 bits).
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imp...
Which version of C# am I using
...bly.ImageRuntimeVersion does not tell you the right version number - on my PC, .NET 4.6 RC is installed but Assembly.ImageRuntimeVersion reports v4.0.30319
– Matt
Jul 14 '15 at 10:55
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如何查看Oracle用户的SQL执行历史记录？ - 数据库(内核) - 清泛网 - 专注C/...
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--开启附加日志
alter database add supplemental log data;
--模拟DML操作
conn p_chenming/...
SQL> select * from test2;
SQL> insert into test2 values(7,77);
SQL> commit;
conn / as sysdba
--切归档
SQL> alter system switch logfile;
SQL> select name,dest_id,thread#,sequen...