02 2013 档案
摘要："Content is king"."Well-Marked-Up content is king".:declaration is the doctype for HTML5.tags:: defines a line break; : creates a horizental line; : bold (); : italic(); : subscript;comments: Browsers automatically add an empty line before and after a paragraph.:preserves as it i
阅读全文
摘要：print 1 / 3, 5 / 2, -7 / 3 # print out float numbers with at most 15 digits;print 1 // 3, 5 // 2, -7 // 3 # print out integers => 0 , 2, -2;print "Let's talk about %s" % my_name # format print, variable my_name = 'Wade';print "." * 10 # print out 10 .sfat_cat = &qu
阅读全文
摘要：Hold super key to navigate things;C-o: open file;C-A-F1~F6: open tty1~tty6; C-A-F7: open X;export PATH=${PATH}:/home/wade/binset path variable.Alt+HOME: open home folder; Ctrl + N: open new folder.in folder: select a file and Alt+ENTER to see propertyAlt+Ctrl+t : open terminaldict command to look up
阅读全文
摘要：The UNIX operating system is made up of three parts; the kernel, the shell and the programs.Everything in UNIX is either a file or a process.A process is an executing program identified by a unique PID (process identifier).A file is a collection of data. They are created by users using text editors,
阅读全文
摘要：On a Mac, plugged in drives appear as subdirectories in the special 'Volumes' directory.cd ~ and cd achieve the same thing: go to home directory (/Users/whatever)ls -l (L): list, the long version. ls -a: list all file(include hidden one).Space view next page, b view previous page，q to quit.
阅读全文
摘要：the main method is a recipe.every java class is a reference type.in java, a String cannot stradle from one line to another.in Java 7, you can write:amountInAccount = amountInAccount + 1_000_000.00
阅读全文
摘要：All great ideas are simple. (Leo Tolstoy)能在购物环境中降低信息处理能力的东西都能刺激消费者的购买欲（注意力分散的人更容易向诱惑屈服）记录一天的决定有助于增强意志力Those who cannot remember the past are condemned to repeat it.(old George Santayana)阿拉伯谚语：所有发生过一次的事，可能永远不会再发生；但所有发生过两次的事，肯定还会发生第三次你的心在哪，你的财宝就在哪儿。（牧羊少年奇幻之旅）生活对追随自己天命的人很慷慨。（牧羊少年奇幻之旅）Researchers have s
阅读全文
摘要：M-x latex-mode (enter).C-c {: inserts opening and closing braces; C-c } jump to the ending }.M-x tex-validate-buffer: verify you got the right parentheses, $, or dollar signs; M-x goto-line: check an error.quotation mark: left(``)， right('') eg. ``This is a quotation' in latex mode'&
阅读全文
摘要：Federated search:is aninformation retrievaltechnology that allows the simultaneous search of multiple searchable resources.Federated search came about to meet the need of searching multiple content sources with one query.Cohort:A cohortis a group of people who share a common characteristic or experi
阅读全文
摘要：503 - Service unavailable:The Web server (running the Web site) is currently unable to handle the HTTP request due to a temporary overloading or maintenance of the server.403 Forbidden:the server can be reached, but the server declined to allow the requested access.
阅读全文