unspsc values

JavaScript checks original values, reference values, attributes, and javascript In JavaScript, we often see code like this: the comparison between variables and null (this usage is very problematic) is used to determine whether a variable is given a reasonable value. For example: Var Controller = {process: function (items) {if (items! = Null) {// difficult to write items. sort (); items. forEach (function (

Previous WordsThe data types of JavaScript can be divided into two types: primitive type (basic type or simple type) and reference type.Primitive type: undefined,null,boolean,number,string five kinds;Reference type: object,array,function;Corresponding to this, their values are referred to as primitive values and complex values, respectively.Attribute Original val

function values and simple valuesDo not assign bindings Let's take a look at this simple function: Let 1What does "X" mean? "X" means:1: Receive some values from the input domain2: We can first use the name "X" to represent the value so that it is referenced later.It is called "binding" by name,and this "x" is the "determined value" of the input value.If we calculate this function with 5 as the input

Page pass-through is a problem that will be faced in the early days of the study, such as page pass value, store object value, Ajax, class, model, form, etc. But generally speaking, it is simpler to use Querystring,session,cookies,application,server.transfer. In the interview, often encounter such problems, in fact, we will be more familiar with several of these methods, because the project is often used.　　However, it is often difficult to fully answer the method of page passing in ASP. QueryStr

Easyui-textbox and Easyui-validatebox set values and get values The table is defined as follows: The input uses Easyui's "Easyui-textbox" 1 How to set values: 1//Use form selector: The code appears to have an exception of 2//$ ("Input[name= ' Snumber ')"). TextBox (' SetValue ', ' 22012 '); 3//Use form selector: Code has no exception but cannot set value 4

Research on the null values of datetime type in SqlServer and the null values of DateTime in c # In SqlServer2000: The default value is 1900-01-0100:00:00, in C #, the null value of DateTime is the minimum value of 0001-01-0100:00:00. For database insertion, the date value updated to NULL is somewhat less as expected. Ratio Study on the null values of datetime ty

In ECMAScript, a variable can have two types of values, the original value and the reference value.Raw values and reference valuesIn ECMAScript, a variable can have two types of values, the original value and the reference value. Original value Simple data segments stored in stacks (stack), that is, their

Originally wanted to talk about the software operation, and later found that there are several important indicators did not say, simply after all said in the Operation bar, otherwise the results will be found a large number of "unknown".The first is the mysterious two values in the space statistics: P Values and Z values. To say these two

Errors that are easy to encounter when setting variables as default values in Python. default values in python Think about the following code snippet: def foo(numbers=[]): numbers.append(9) print numbers Here, we define a list (empty by default), add 9 to it and print it out. >>> foo()[9]>>> foo(numbers=[1,2])[1, 2, 9]>>> foo(numbers=[1,2,3])[1, 2, 3, 9] Does it look okay? But when we do not enter the num

Get x, Y coordinate values, and database related field values in DbchartGenerally want to get dbchart x, y coordinate values are very simple, here simply say, double-click Dbchart, Pop-up dialog box, select Tools tab, add Cursor tool, and then check the cursor tool, Find the Cursor tool event (Cursor tool event total two) one is onchange () the other is Onsnapcha

This article mainly introduces jQuery's values and values for html elements. It provides a detailed analysis of jQuery's techniques for obtaining and assigning common html elements, which is very simple and practical, for more information about jQuery's value and value assignment methods for html elements, see the following example. We will share this with you for your reference. The details are as follows:

will work.The attribute value is gray, which is grey, and the middle of the attribute and value is colon.Second, the color valueThe color is defined by a hexadecimal symbol, which consists of red, green, and blue values (RGB). The minimum value for each color is 0 (16 binary: #00). The maximum value is 255 (16 binary: #FF).Decimal uses 0 to 9 to indicate that the largest is 9;Hexadecimal uses 0 to F to represent, the largest is F, for 15, and for let

Maybe you are working on ASP. in the ne program, when the dataset master-slave table is nested, this constraint cannot be enabled when filtering the master table, because not all values have the corresponding parent values. First of all, we need to understand the meaning of this sentence. First, the meaning of this sentence is that the data in the sub-table is not the value associated with each value in th

About the return values of functions in Shell, shell return values#! /Bin/shSum (){Echo $($1 + $2 ))Return $($1-$2 ))}Sum $1 $2C =$ (sum $1 $2)Echo $?Echo $ cRun the command:./bashTest 11 1.The running result is:12 -- result of sum $1 $210 -- echo $? Because the return value is 10.12 -- echo $ c result, the value is 12, so c will not be attached with the return value, echo $ c calls the sum function, so pri

What are the values of null and non-null when creating a table in mysql? What are the values of null and non-null when creating a table in mysql? Mysql, I usually try not to use null. if your 0 and n mysql create a table with null values and non-null values, what should I do? What are the

This article mainly introduces three common methods for transferring values from PHP to different pages, as well as relevant information about the issue of transferring values between php and html, for more information about how to transfer data between different pages in project development, see the following three common methods. I have been in contact with PHP for a few months. This article summarizes t