require ’socket‘ require ’luasql.mysql' 上述返回结果都是正常 但是执行 env = luasql.mysql(),报错: stdin:1: attempt to index a nil value (global 'luasql')stack traceback: stdin:1: in main chunk [C]: in ? 解决方法: luasql= require ‘luasql.mysql' env = luasql.mysql()或env =…
Lua: getting started http://www.lua.org/start.html#learning Building from source Lua is very easy to build and install. Just download it and follow theinstructions in the package. Here is a simple terminal session that downloads the current release o…
在ITPUB 论坛上看到的一个帖子,很不错.根据论坛的帖子重做整理了一下. 原文链接如下: alter index rebuild online引发的血案 http://www.itpub.net/thread-1445427-1-1.html 一. 官网说明 在MOS 上的一篇文章讲到了rebuild online 和offline的区别: Index Rebuild Is Hanging Or Taking Too Long [ID 272762.1] Symptoms:========= …
ASP.Net MVC 中配置Route的时候可以设置一个默认的Route. 比如我要在输入http://localhost的时候默认进入http://localhost/home/index.可以在Global.asax中这么配置: routes.MapRoute( "Default", // Route name "{controller}/{action}/{id}", // URL with parameters new { controller = &qu…
来源于: Partitioned Indexes: Global, Local, Prefixed and Non-Prefixed (文档 ID 69374.1) APPLIES TO: Oracle Database - Enterprise Edition - Version 8.0.3.0 and later Information in this document applies to any platform. PURPOSE To differentiate between typ…
现象:lostack启动正常,logstack收集输入redis数据,输出到elasticsearch写入失败 提示:去建索引 的时候elasticsearch返回404 [2019-11-12T11:37:29,009][WARN ][logstash.outputs.elasticsearch][main] Could not index event to Elasticsearch. {:status=>404, :action=>["index", {:_id=&g…
1.简介 该软件包可以安装和更新lua的第三方模块. 2.下载地址 请在 http://luarocks.org/releases/ 页面选择需要的软件包. wget http://luarocks.org/releases/luarocks-2.1.0.tar.gz 3.安装 tar -zxvf luarocks-2.1.0.tar.gz cd luarocks-2.1.0 ./configure --prefix=/usr/local/luarocks make build make ins…
深度学习框架 Torch 7 问题笔记 1. 尝试第一个 CNN 的 torch版本, 代码如下: -- We now have 5 steps left to do in training our first torch neural network -- 1. Load and normalize data -- 2. Define Neural Network -- 3. Define Loss function -- 4. Train network on training data -…
Introduction From a running C program, you can call a Lua script. The C program can pass arguments to the Lua script, and the Lua script can pass back a return. The Lua script can serve to initialize the C program, or the Lua script can install a cal…
Summary on deep learning framework --- Torch7 2018-07-22 21:30:28 1. 尝试第一个 CNN 的 torch版本, 代码如下: -- We now have 5 steps left to do in training our first torch neural network -- 1. Load and normalize data -- 2. Define Neural Network -- 3. Define Loss…
Programming in LuaCopyright ® 2005, Translation Team, www.luachina.net Programming in LuaProgramming in Lua作者:Roberto Ierusalimschy翻译:www.luachina.netSimple is beautifulCopyright ® 2005, Translation Team, www.luachina.net Programming in Luai版权声明 <Pro…
class Array Arrays are ordered, integer-indexed collections of any object. Array indexing starts at 0, as in C or Java. A negative index is assumed to be relative to the end of the array—that is, an index of -1 indicates the last element of the array…
[1]lua语言中完整的三目运算符 完整三目运算符形式:(a and {b} or {c})[1] [2]分析原因 大部分C或C++程序员经常会用到三目运算符(三元运算符),形如 a ? b : c; 的逻辑,即a为真,表达式值为b,否则表达式值为c. 这样的逻辑在写lua的时候也常常需要用到,于是有人发明了形如 a and b or c 这种写法,下面来先来分析一下这个表达式的问题: Lua语言中的逻辑操作符有and.or和not.所有的逻辑操作符将 false 或 nil 视为假,而将除此之…