# XMLHttpRequest The XMLHttpRequest.readyState property returns the state an XMLHttpRequest client is in. An XHR client exists in one of the following states: Value State Description 0 UNSENT Client has been created. open() not called yet. 1 OPENED open() has been...

转载：Forget NodeJS! Build native TypeScript applications with Deno 🦖 | Technorage Have you heard of Deno? If not you should check it out. Deno is a modern JavaScript/TypeScript runtime & scripting environment. Deno is what NodeJS should have been according to Ryan Dahl who created NodeJS....

repost: A Simple Makefile Tutorial Makefiles are a simple way to organize code compilation. This tutorial does not even scratch the surface of what is possible using make, but is intended as a starters guide so that you can quickly and easily create your own makefiles for small to medium-sized...

repost: The C compilation process - Codeforwin In the series of C tutorial we learned some basic of C programming language, configured C compiler and learned to compile and execute C program. Since the compilation and execution of first C program, I must answer few questions before moving ahead....

转载：Build a Web Crawler in Go One of the basic tests I use to try out a new programming language is building a web crawler. I stole the idea from my colleague Mike Lewis and I love it because it uses all the principles necessary in internet engineering: A web crawler needs to parse semi-structured...

# go package 1> package 可以和目录名不一致 2> main func 必须在 main package 里 3> gopath 可以有多个，例如 D:\study\go;C:\Users\11435\Desktop\practice\go , go 会按照 gopath 查找...

读取文件的每一行到 mysql 的 memo 栏位 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107package mainimport...

转载: ORACLE-BASE - SQL/XML (SQLX) : Generating XML using SQL The example code in this article assumes you have access to the SCOTT schema. # The Past In Oracle 9i Release 1 it was necessary to use several database object types to create complex XML documents using...

转载: ORACLE-BASE - XMLTABLE : Convert XML Data into Rows and Columns using SQL # Tag-Based XML This example uses tag-based XML, where each data element for an employee is surrounded by its own start and end tag. First we create a table to hold our XML document and populate it with a document...

# xlrd xlrd 读取 excel, 使用 xlrd 读取 excel 数据需要注意的类型. Sample Type symbol Type number Python value Converted value XL_CELL_EMPTY 0 empty string ‘’ None abc XL_CELL_TEXT 1 a Unicode string 123 XL_CELL_TEXT 1 a Unicode string 123.0 XL_CELL_TEXT 1 a Unicode...