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Overriding id on create in ActiveRecord
...sts an extra database query because it will work all the time. This is an error that might not show up in your development environment, but can quietly corrupt your production database all the while saying it is working.
sh...
Find the extension of a filename in Ruby
...odoDave nothing works for multi-period suffixes, except an heuristic (thus error prone) database of extensions.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Oct 24 '14 at 14:10
...
Inspecting standard container (std::map) contents with gdb
...o a bit frustrating that commands like "plist foo std::string" give syntax errors. It appears that the value_type can't contain any punctuation.
– Bklyn
Jan 9 '09 at 21:49
2
...
Where is PHP.ini in Mac OS X Lion? Thought it was in /usr/local/php5/lib
...default settings when no php.ini was present. Notably short_tags was Off, error_reporting, log_errors, and some minor settings differed. You will want to compare your output of php -i before and after creating your php.ini.
– spoulson
Jan 28 '13 at 4:55
...
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...