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MongoDB.Driver.MongoConnectionException: Unable to connect to the prim...
...I create a new connection.When I try to connect,the exception happened.
If slaveOk of this connection setting is true.
Stack:
MongoDB.Driver.MongoConnectionException: Unable to connect to any slaveOk
member of the replica set: Too many threads are already waiting for a
connection.. ---> Mon...
推荐引擎easyrec半天学习分享 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...var json = eval(transport);
var items = json.recommendeditems.item;
if( "undefined" == typeof(items.length) ) {
items = new Array(items);
}
if (items.length>0) {
$("#recommendation").html("<div class='headline'>Other users also viewed...</div>");
for (x=0;x<5 && x <items.le...
Python Charts库(Highcharts API的封装) - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...入目录下的chart目录,拷贝下图这些文件替换
1.If you want to plot a single series, you can use the name argument:
charts.plot(data, name='My list')
show = 'inline',如果没有这个选项,会开启一个网页展示图表
2.If you want to plot multiple serie...
PHPCMS V9不能上传图片的原因与解决方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...stem','up_path'));
3、修改/phpcms/libs/classes/form.class.php，将
if($allowupload) $str .= "filebrowserUploadUrl : '".APP_PATH."index.php?m=attachment&c=attachments&a=upload&module=".$module."&catid=".$catid."&d
改为：
if($allowupload) $str .= "filebrowserUploadUrl : '".UP_PATH."inde...
今天开始应该使用 5 个JavaScript调试技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...中加入强制断点。
需要断点条件吗？只需将它包装它在IF子句中：
if (somethingHappens) {
debugger;
}
只需记住在上线前移除。
2. 当节点变化时断开
有时DOM像有了自己的想法。当不可思议的变化发生时很难找到问题的根源。
...
闲扯Nginx的accept_mutex配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...() and select(), this is called thundering herd problem. This is a problem if you have a lot of workers as in Apache (hundreds and more), but this insensible if you have just several workers as nginx usually has. Therefore turning accept_mutex off is as scheduling incoming connection by OS via selec...
Linux日志切分工具：Logrotate - 更多技术 - 清泛网 - 专注C/C++及内核技术
...：
#!/bin/sh
/usr/sbin/logrotate /etc/logrotate.conf
EXITVALUE=$?
if [ $EXITVALUE != 0 ]; then
/usr/bin/logger -t logrotate "ALERT exited abnormally with [$EXITVALUE]"
fi
exit 0
实际运行时，Logrotate会调用配置文件「/etc/logrotate.conf」：
# see "man logrotate" for...
PHP中的错误处理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...：ob_start + error_get_last
<?php
ob_start(function($buffer) {
if ($error = error_get_last()) {
return var_export($error, true);
}
return $buffer;
});
// Fatal error: Call to undefined function undefined_function()
undefined_function();
?>
第二种：regist...
svn强制设定commit时写一定长度的日志 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...log "%REPOS%" -t "%TXN%" | findstr ".............................." > nul
if %errorlevel% gtr 0 goto err
exit 0
:err
echo that logmessage contains at least 30 alphanumeric characters. Commit aborted! 1>&2
exit 1
想修改限制长度只需要增加或减少".............................."中...
NSIS脚本编程(持续更新) - 更多技术 - 清泛网 - 专注C/C++及内核技术
...】取消安装' \
"是" "否" "取消"
NSIS编程if逻辑：
首先需要包含这个文件：!include logiclib.nsh
Pop $0 ;获取messagebox的返回值，分别是1,2,3
${If} $0 == 1
KillProcDLL::KillProc "xxx.exe"
${Elseif} $0 == 3
Abort ;退出安装
${En...