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node.js equivalent of python's if __name__ == '__main__' [duplicate]
...();
}
EDIT: If you use this code in a browser, you will get a "Reference error" since "require" is not defined. To prevent this, use:
if (typeof require !== 'undefined' && require.main === module) {
fnName();
}
...
Correct use of transactions in SQL Server
...ON to instruct Sql Server to automatically rollback transaction in case of error. If ommited or set to OFF one needs to test @@ERROR after each statement or use TRY ... CATCH rollback block.
share
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...
Why are my balls disappearing? [closed]
...
Your error comes from this line initially:
var direction1 = Math.atan2(ball1.velocitY, ball1.velocityX);
You have ball1.velocitY (which is undefined) instead of ball1.velocityY. So Math.atan2 is giving you NaN, and that NaN val...
Is there a way to make GHC provide the type class constraints of typed holes?
...vious in GHCi. With your example,
> show _
<interactive>:7:6: error:
• Found hole: _h :: ()
Or perhaps ‘_h’ is mis-spelled, or not in scope
• In the first argument of ‘show’, namely ‘_h’
In the expression: show _h
In an equation for ‘it’: it...
__declspec(dllexport) 导出符号解决链接失败问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...态库，而lib静态库无需任何申明，宏全部替换成空即可。error LNK2019: 无法解析的外部符号 "public: __thiscall CBtt::CBtt(void)" (??0CBtt@@QAE@XZ)，该符号在函数 "protected: __thiscall COwnerView::COwnerView(void)" (??0COwnerView@@IAE@XZ) 中被引用
error LNK2019:...
PHP 错误记录和聚合的平台Sentry实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...vel = implode('|', array(
'debug',
'info',
'warning',
'error',
'fatal',
));
$client = new Raven_Client($dsn, $options);
while (($line = fgets(STDIN)) !== false) {
if (!preg_match("/{$pattern_content}/", $line, $match)) {
continue;
}
list($lin...
解决：Failed to load JavaHL Library（windows及mac） - 更多技术 - 清泛...
...vaHL Library（windows及mac）Failed to load JavaHL Library.These are the errors that were encountered:no libsvnjavahl-1 in java.library.pathno sv...Failed to load JavaHL Library.
These are the errors that were encountered:
no libsvnjavahl-1 in java.library.path
no svnjavahl-1 in java.library.pa...
Linux C/C++进程单实例互斥代码分享 - C/C++ - 清泛网 - 专注C/C++及内核技术
..., O_RDWR | O_TRUNC);
}
}
if (fd < 0) {
printf("Open file failed, error : %s", strerror(errno));
exit(1);
}
// 将该文件锁定,锁定后的文件将不能够再次锁定
struct flock fl;
fl.l_type = F_WRLCK; // 写文件锁定
fl.l_start = 0;
fl.l_whence = SEEK_SET;
fl...
Intel SMID指令集编译错误: inlining failed in call to always_inline \'x...
...always_inline 'xxx': target specific option mismatch xxxintel_smid_compile_error最近在使用CPU指令集优化代码的时候，编译出错，报错如下： usr lib64 gcc x86_64-suse-linux 7 include avx2intrin h:252:1: error: inlining failed in call to always_i 最近在使用CPU指令集优...
Add only non-whitespace changes
...
This gives me problems with patch does not apply and error while searching for... Any ideas?
– DTI-Matt
Jul 27 '15 at 14:17
18
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