BUNotes BUNotesAI

A brief example of protocols and records in Clojure

reference: http://bit.ly/2HffFcv

shell脚本实现使用find和xargs删除隐藏的全部git子目录

我常用的几个

in:file

language:clojure

user:foxlog

org:google

合并多个文件到一个csvn文件。

跳过第一行即可.

ojdbc 不同版本

ojdbc14 jdk 1.4 1.5

http://www.oracle.com/technetwork/apps-tech/jdbc-10201-088211.html

ojdbc6 兼容 jdk1.6

http://www.oracle.com/technetwork/apps-tech/jdbc-112010-090769.html

ojdbc7 兼容 jdk1.7 jdk1.8

使用 UE 打开 class 文件，第一行内容： 00000000h: CA FE BA BE 00 00 00 32 00 A9 07 00 02 01 00 37 ; 漱壕...2.?....7 前四个字节为固定的 CA FE BA BE ，接下来的四个字节为次版本号（0000）和主版本号（0032）。

33：JDK1.7
32：JDK1.6
31：JDK1.5 
30：JDK1.4

see here:https://www.java.com/en/download/faq/java_6.xml

核心: 要安装1.6的版本必须首先卸载掉所有的新版本.

Where can I get the latest version of Java 6?

We highly recommend downloading and installing the latest Java version. The latest release for Java contains many new features, performance enhancements, and bug fixes to improve the running of Java applets or applications.

Java SE 6 End of Public Updates NoticeOracle no longer posts updates of Java SE 6 to its public download sites. All Java 6 releases up to and including 6u45 have been moved to the Java Archive on the Oracle Technology Network, where they will remain available but not receive further updates. Oracle recommends that users migrate to the latest Java version in order to continue receiving public updates and security enhancements.

reference: http://bit.ly/2qcnXYS IBM jdk/jre download page: https://ibm.co/2IBPfPc see official site: http://www-01.ibm.com/support/docview.wss?uid=isg3T1022693 1.查看os系统版本信息

-bash-4.3# whoami
root
-bash-4.3# oslevel -r
6100-02

mosh --ssh="ssh -p 2222" figrindan

	:dependencies [[org.clojure/clojure "1.8.0"]
	[org.jxls/jxls "2.4.2"]
	[org.jxls/jxls-poi "1.0.13" :exclusions [org.jxls/jxls]]])

	(import [org.jxls.util JxlsHelper])
	(import [org.jxls.common Context])

	(require '(clojure.java [io :as io]))

	;; http://jxls.sourceforge.net/xls/object_collection_template.xls