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Tag: values

XML – We can make elements into optional elements or mandatory elements based on any other elements in XSD

In XSD, I have an element x with value (a,b)

There is another element y

Yes There is no way to use XSD, so that I can make y mandatory when the value of x is b, and optional if the valu

October 21, 2021By Simo XML according to, Any, Elements, enforcement, Optional, Other, us, values, XML, XSDLeave a Comment

Regular expression – how to match two values, not depending on their corresponding position in the string

I am looking for the best way to match two values ​​at the same time.

If both values ​​are in the string, I want to get a true value, But I don’t know the order in which they appear in the st

October 18, 2021By Simo Regexp corresponding, Dependent, expressions, How to match, position, regular, two, valuesLeave a Comment

[C #] Simple and fast to convert various numeric words to numbers (String to int)

I believe that when you are writing programs, you must have a lot of opportunities to convert numeric strings into int or float type values, but the numeric characters may not be very clean, someti

October 4, 2021By Simo C# C #, FAST, int, numbers, simple, string, transfer, values, various, will, wordsLeave a Comment

C # function returns a method of multiple values

Sometimes we need a function to return multiple values. On the Internet, it is mostly implemented with out. I personally like to use the tuple method.

Tuple is a tuple, which supports up to 7

October 4, 2021By Simo C# C #, functions, methods, multiple, return, valuesLeave a Comment

Inheritance – How to use multiple parent configuration functions with VAL in subclasses

Suppose I have a class Parent, which has four fields A, B, C, and D, so that C and D are optionally passed or initialized using the default implementation:

open class Parent(val a: A, v

October 3, 2021By Simo Software Design classes, constructs, functions, How, Inheritment, medium general, mix, multiple, parents, subclasses, use, valuesLeave a Comment

How to name an output column in the SQLite VALUES clause?

If I run this query in sqlite3(3.17.0)

select T.* from (values ​​(1 ),(2),(3),(4),(5)) as T; I get the following output, where there is no name of the first column of T.

———-
1
2

September 22, 2021By Simo Sqlite clause, Column, How, middle, Name, Output, SQLITE, valuesLeave a Comment

Retrieve the PHP array keys and values ​​from the PostgreSQL function parameters for database updates

I am trying to send a set of key-value pairs to a postgresql function as a parameter. The structure of the array is as follows –

array( 10) {
[“OWNER”]=> string(3) “ERP”
[“SOURCE”]=> strin

September 21, 2021By Simo Postgresql Arrays, database, function, keys, Medium, parameters, PHP, PostgreSQL, procedures, retrieval, Update, valuesLeave a Comment
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