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显示交换空间(虚拟内存)的使用情况
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posted @ 2017-12-02 17:59
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posted @ 2017-12-02 17:58
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Difference between exit() and sys.exit() in Python - Stack Overflow https://stackoverflow.com/questions/6501121/difference-between-exit-and-sys-exit-i
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posted @ 2017-12-02 16:50
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setuid setgid sticky
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posted @ 2017-12-02 11:41
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r w x 2^3=9 文件类型 - d l c b 所有者、组、其他用户 1+3^3=10 u g o a=all c 字符设备文件 ,该文件类型表示以字节流形式处理数据的设备,入终端或调制解调器 b 块设备文件,该文件类型表示以数据块方式处理数据的设备,入硬盘驱动或者光盘驱动 0=000 1=0
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posted @ 2017-12-02 11:13
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符号链接的文件属性相同,真正的权限属性由符号链接所指向的实际文件决定。
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posted @ 2017-12-02 11:09
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posted @ 2017-12-02 11:00
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[root@hadoop2 etc]# cat issueCentOS release 6.8 (Final)Kernel \r on an \m [root@hadoop2 etc]# cat hosts.allow ## hosts.allow This file contains access
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posted @ 2017-12-02 10:56
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Connected to pydev debugger (build 172.4343.24)pydev debugger: warning: trying to add breakpoint to file that does not exist: /usr/local/hadoop/spark-
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posted @ 2017-12-01 15:35
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Apache Hadoop 2.9.0 – YARN Commands http://hadoop.apache.org/docs/stable/hadoop-yarn/hadoop-yarn-site/YarnCommands.html
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posted @ 2017-12-01 14:28
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To verify Hadoop releases using GPG http://hadoop.apache.org/releases.html To verify Hadoop releases using GPG: To perform a quick check using SHA-256
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posted @ 2017-12-01 14:16
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https://spark.apache.org/docs/latest/cluster-overview.html
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posted @ 2017-12-01 13:41
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https://leetcode.cn/problems/QC3q1f/ https://zh.wikipedia.org/wiki/Trie 应用 trie树常用于搜索提示。如当输入一个网址,可以自动搜索出可能的选择。当没有完全匹配的搜索结果,可以返回前缀最相似的可能。[4] 实现方式 trie树
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posted @ 2017-12-01 12:13
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Searching Algorithms - GeeksforGeeks https://www.geeksforgeeks.org/searching-algorithms/ 搜索 复制
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posted @ 2017-12-01 10:58
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mongodb/mongo-spark: The MongoDB Spark Connector https://github.com/mongodb/mongo-spark ./sbt check 报错后 控制台提示没有权限 ps -aux | grep mongo; 杀死需要权限认证的mongo
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posted @ 2017-12-01 09:41
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9. 类 — Python 3.11.3 文档 https://docs.python.org/zh-cn/3/tutorial/classes.html class DerivedClassName(modname.BaseClassName): 派生类定义的执行过程与基类相同。 当构造类对象时,
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posted @ 2017-12-01 08:24
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posted @ 2017-12-01 08:13
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posted @ 2017-12-01 08:07
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http://www.scala-lang.org/blog/2017/11/28/view-based-collections.html
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posted @ 2017-11-30 23:24
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http://rosslawley.co.uk/introducing-a-new=mongodb-spark-connector/
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posted @ 2017-11-30 23:02
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https://docs.oracle.com/javase/8/docs/technotes/tools/windows/jdkfiles.html Java Platform, Standard Edition Tools ReferenceContents Previous Next 3 JD
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posted @ 2017-11-30 22:23
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Core Java Web Page http://horstmann.com/corejava.html [ inheritance ] super Using the Keyword super (The Java™ Tutorials > Learning the Java Language
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posted @ 2017-11-30 20:23
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https://docs.oracle.com/javase/7/docs/technotes/tools/windows/javac.html\ javac - Java programming language compiler javac - Java programming language
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posted @ 2017-11-30 19:32
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passive aggressive(pa)和average perceptron(ap)
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posted @ 2017-11-30 15:53
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merge two dicts Python 3.6.4 >>> x={'a':1,'b':2}>>> y={'b':3,'c':4}>>> z={**x,**y}>>> z{'a': 1, 'b': 3, 'c': 4}>>> z={**y,**x}>>> z{'b': 2, 'c': 4, 'a
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posted @ 2017-11-30 14:15
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http://arrow.apache.org/blog/
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posted @ 2017-11-30 12:37
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Serialization and deserialization are bottlenecks in parallel and distributed computing, especially in machine learning applications with large object
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posted @ 2017-11-30 12:03
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这样就可以在pom中依赖引用了: Introduction to the Standard Directory Layout Having a common directory layout would allow for users familiar with one Maven project
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posted @ 2017-11-30 07:38
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posted @ 2017-11-29 20:47
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posted @ 2017-11-29 18:56
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如果您是网站管理员点击这里查看详情 client: 211.161.60.12, server: d171d61, time: 2017-11-29 15:17:22 [80001]
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posted @ 2017-11-29 15:21
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https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-2.1.1-linux-x86_64.tar.bz2
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posted @ 2017-11-29 14:06
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https://databricks.com/blog/2014/08/14/mining-graph-data-with-spark-at-alibaba-taobao.html
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posted @ 2017-11-29 12:15
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gg shift+v shift+g =
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posted @ 2017-11-28 17:43
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posted @ 2017-11-28 16:01
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通过进程号进入工作目录 使用pwdx命令,这是最简单的方法,提供进程号,该命令就可以返回进程的工作目录。 pwdx 1312813128: /home/image/tianyi_to_biz pwdx 13128 | awk '{print $2}'/home/image/tianyi_to_biz
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posted @ 2017-11-28 07:48
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posted @ 2017-11-28 04:03
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Maven 仓库 | 菜鸟教程 https://www.runoob.com/maven/maven-repositories.html mvn jar 包 加入时间戳 实践:<version>${maven.build.timestamp}-SNAPSHOT</version><maven.bui
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posted @ 2017-11-28 00:32
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http://mvnrepository.com/artifact/org.mongodb/mongo-java-driver/3.5.0
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posted @ 2017-11-27 23:53
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http://www.360doc7.net/wxarticlenew/541275971.html 一、程序的组成部分 Linux下程序大都是由以下几部分组成: 二进制文件:也就是可以运行的程序文件 库文件:就是通常我们见到的lib目录下的文件 配置文件:这个不必多说,都知道 帮助文档:通常是我们
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posted @ 2017-11-26 23:04
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