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社会化海量数据采集爬虫框架搭建 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...ang.StringUtils;
public class HttpCrawler {
public static void main(String[] args) {
String content = null ;
try {
HttpClient httpClient = new HttpClient();
//1、网络请求
GetMethod method = new Get...
初窥InnoDB的Memcached插件 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...----+
| cache_policies |
| config_options |
| containers |
+---------------------------+
cache_policies定义了缓存策略,包含如下选择:
innodb_only:只使用InnoDB作为数据存储。
cache-only:只使用传统的Memcached引擎作为...
SensorUtil 传感器工具扩展:在后台和屏幕关闭时保持传感器工作 · App Inv...
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
TCPClient TCP客户端扩展:连接TCP服务器进行文本消息通信 · App Inventor 2 中文网
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
WakeLock 扩展:保持设备唤醒扩展,防止系统休眠和电池优化 · App Inventor 2 中文网
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
搭建高可用mongodb集群(三)—— 深入副本集内部机制 - 大数据 & AI - 清...
...这么描述:
We use a consensus protocol to pick a primary. Exact details will be spared here but that basic process is:
get maxLocalOpOrdinal from each server.
if a majority of servers are not up (from this server’s POV), remain in Secondary mode and stop.
if the last op time se...
数据挖掘——分词入门 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...分词:
public class TestPositiveMatch {
public static void main(String[] args) {
String str = "我爱这个中华人民共和国大家庭";
List normalDict = new ArrayList();
normalDict.add("");
normalDict.add("爱");
normalDict.add("中华...
What's the equivalent of use-commit-times for git?
... no longer modified (Git 2.2.2+, January 2015): "git checkout - how can I maintain timestamps when switching branches?".)
The long answer was:
I think you're much better off just using multiple repositories instead, if this is something common.
Messing with timestamps is not going to work in gen...
AI2 SideBar Extension
...d functions can be triggered by a button. With larger apps, however, the available space quickly decreases and the layout becomes confusing. A side bar can help here. There are a number of implementations, but I haven't found a sufficiently extensive one and developed one myself. Almost all proper...
MongoDB数据导出导入工具:mongoexport,mongoimport - 大数据 & AI - 清泛...
... line
-k [ --slaveOk ] arg (=1) use secondaries for export if available, default true
参数说明:
-h: 指明数据库宿主机的IP
-u: 指明数据库的用户名
-p: 指明数据库的密码
-d: 指明数据库的名字
-c: 指明collection的名字
-f: 指明要导出那些...
