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Must JDBC Resultsets and Statements be closed separately although the Connection is closed afterward
...he connection. If you don't close the ResultSet (cursor) it will throw an error like Maximum open cursors exceeded.
I think you may encounter with the same problem with other databases you use.
Here is tutorial Close ResultSet when finished:
Close ResultSet when finished
Close ResultSe...
How do I make an http request using cookies on Android?
... "goto=/portal/dt&" +
"gotoOnFail=/portal/dt?error=true");
List <NameValuePair> nvps = new ArrayList <NameValuePair>();
nvps.add(new BasicNameValuePair("IDToken1", "username"));
nvps.add(new BasicNameValuePair("IDToken2", "password")...
libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术
...p_server(int port);
// client端socket流程:socket(),connect()，返回连接的sockfd
int create_io_channel(const char *ipaddr, int port);
2. 搭建TCP Server
下面以伪代码方式给出，错误处理省略
int main(int argc, char *argv[])
{
// 初始化
…
// event...
Python - List of unique dictionaries
...
Get the error TypeError: unorderable types: dict() > dict() when doing this in Python 3.5.
– Guillochon
Sep 16 '16 at 23:39
...
Bash script to calculate time elapsed
... to execute the number in the ENDTIME as a command. You should also see an error like 1370306857: command not found. Instead use the arithmetic expansion:
echo "It takes $(($ENDTIME - $STARTTIME)) seconds to complete this task..."
You could also save the commands in a separate script, commands.sh...
搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...前几篇文章。
任意登陆一个机器，比如登陆192.168.0.136，连接mongodb
#设置第一个分片副本集
/data/mongodbtest/mongodb-linux-x86_64-2.4.8/bin/mongo 127.0.0.1:22001
#使用admin数据库
use admin
#定义副本集配置
config = { _id:"shard1", members:[
...
当ORACLE 11G 遇到 JUNIPER 防火墙 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...110.102的1521端口
配置
Tnsnames.ora 文件
使用PL/SQL 连接本机的IP地址 登陆查询一切正常。
由此判断 问题不是出在跨网段等问题，当使用端口映射的时候，本机就相当于一台防火墙了。 自此认为问题还是处在防火墙上...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...一个方法是UpdateNotify方法。该方法想Excel发出一个通知，提示有新数据需要更新，这是Excel就会调用RefreshData方法，从中读取到更新后的数据。需要注意的是调用UpdateNofity方法必须要在Excel主线程中进行。
三 实例：RTD实时行情
...
How to extract public key using OpenSSL?
...TGGQxXMpwh4ObjLl3Qh
bfwxlBbh2N4471TyrErv04lbNecGaQqYxGrY8Ot3l2V2fXCzghAQg26Hc4dR2wyA
PPgWq78db+gU3QsePeo2Ki5sonkcyQQQlCkL35Asbv8khvk90gist4kijPnVBCuv
cwIDAQAB
-----END PUBLIC KEY-----
However AWS will NOT accept this file.
You have to strip off the -----BEGIN PUBLIC KEY----- and -----END PUBLIC ...
Install shows error in console: INSTALL FAILED CONFLICTING PROVIDER
...use library in two project with the same provider name it could cause this error
– Mohammed Subhi Sheikh Quroush
Nov 19 '14 at 19:00
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