大约有 15,630 项符合查询结果（耗时：0.0217秒） [XML]
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...
Linux Shell中 if else及大于、小于、等于逻辑表达式写法 - C/C++ - 清泛网...
....tgz"
cd /data/nginx/logs
if [ -f "$FILE" ];then
echo "OK"
else
echo "error $FILE" > error.log
mail -s "$FILE backup fail" test@tsingfun.com <error.log
fi
2、清除相关文件，并按时间段记录日志
#!/bin/sh
# 清除相关文件，并按时间段记录日志
#
DIR=/data/img_c...
__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...
Curses library not found. Please install appropriate package - 更多...
... Could NOT find Curses (missing: CURSES_LIBRARY CURSES_INCLUDE_PATH)CMake Error at cmake readli...CentOS安装MySql报错：
-- Could NOT find Curses (missing: CURSES_LIBRARY CURSES_INCLUDE_PATH)
CMake Error at cmake/readline.cmake:85 (MESSAGE): Curses library not found. Please install appro...
错误解决:Xcode not set up properly. You may need to confirm the licens...
...greement by running /usr/bin/xcodebuild错误描述及解决方法1、:-1: error: Xcode not set up properly. You may need to confirm the license agreement by runni...错误描述及解决方法
1、:-1: error: Xcode not set up properly. You may need to confirm the license agreement by running /usr/...
OS X10.9 环境下部署 QT5.3.1 常见的编译问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...测试，编译报如下错误：
错误描述及解决方法
1、:-1: error: Xcode not set up properly. You may need to confirm the license agreement by running /usr/bin/xcodebuild.
1
2
Xcode -> Preferences -> Locations - > Command Line Tools
#设置好xcode...
Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 爬虫/数据库 - 清...
...ibd记录的点在什么位置。开始执行 import tablespace，报错 ERROR 1030 (HY000): Got error -1 from storage engine。找到mysql的错误日志，InnoDB: Error: tablespace id in file ‘.\test\weibo_qq0.ibd’ is 112, but in the InnoDB InnoDB: data dictionary it is 1. 因为 weibo_qq0 之...
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...