Search found 169 matches

by jiataifeng
12 Apr 2019 02:25
Forum: Profession职业
Topic: Use of scaling parameters
Replies: 0
Views: 27

Use of scaling parameters

scaling.png
scaling.png (74.8 KiB) Viewed 27 times
by jiataifeng
09 Apr 2019 04:29
Forum: Profession职业
Topic: jdk
Replies: 0
Views: 28

jdk

1.安装JDK,or download open jdk and upzip it to a folder; 2.安装完成后,右击“我的电脑”,点击“属性”; 3.选择“高级”选项卡,点击“环境变量”; 4.在“系统变量”中,设置3项属性,JAVA_HOME,PATH,CLASSPATH(大小写无所谓),若已存在则点击“编辑”,不存在则点击“新建”; 5.JAVA_HOME指明JDK安装路径,就是刚才安装时所选择的路径D:\java\jdk1.5.0_08,此路径下包括lib,bin,jre等文件夹(此变量最好设置,因为以后运行tomcat,eclipse等都需要依*此变量); Path使得系...
by jiataifeng
04 Apr 2019 22:52
Forum: Profession职业
Topic: NTFS Hard Links, Junctions and Symbolic Links
Replies: 0
Views: 40

NTFS Hard Links, Junctions and Symbolic Links

hard link: to have a local file stored in two or more different local folders and doesn't take extra space. Junction: to have a local folder stored in two or more different local folders and doesn't take extra space. Symbolic Links: to locally or remotely points to another file system object which e...
by jiataifeng
02 Apr 2019 01:33
Forum: Profession职业
Topic: Acronis True Image
Replies: 0
Views: 32

Acronis True Image

tib
back up and restore.
by jiataifeng
28 Mar 2019 23:57
Forum: Profession职业
Topic: qualified_only
Replies: 0
Views: 33

qualified_only

Global variable list (GVL): {attribute 'qualified_only'} VAR_GLOBAL nVar : INT; END_VAR Within a POU, for example MAIN, the global variable nVar can only be addressed using the prefix GVL: GVL.nVar := 5; The following incomplete call of the variables would generate an error: nVar := 5; remove the at...