Here we will look at conditional and looping statements. Conditionals Conditional statements allow us to change the way our program behaves based on the input it receives, the contents of variables, or any of a number of other factors. The most common and useful conditional for us to use in...
Loops allow a chunk of code to be executed as long as a control condition is valid (true) or for specific number of iterations. In Delphi, you manage loops either by using a while, a repeat, or a for statement.doi:10.1007/978-1-4842-6112-5_3John Kouraklis...
1、Boolean logic is especially useful for formulating clear conditional statements.布尔逻辑对你规划条件语句的结构特别有用。 2、Then we explored Scala's enhancements to looping constructs and conditional expressions.然后,我们探索了Scala增强的循环结构和条件表达式。 3、Adding, removing, or changing the ...
The looping statements we reviewed above are used when you do not know or cannot anticipate the number of times a condition needs to be checked in order to execute a statement. If you know with certainty how many times you want to execute a statement, you can use another form of loops t...
Then add-body is used to add labels and go statements that branch to the labels as needed. This is the same technique that is used to compile conditionals in chapter 23; see the function comp - if on page 787. Here is the code: (defloop when (l test exps) (loop-unless l '(not...
(There is a PivotSelect method in 2003, but these types of statements failed.) It looks like PivotSelect is the VBA version of clicking, for example, a single subtotal in a pivot table and thereby selecting them all. I figured out the syntax by turning on the Macro Recorder and doing ...
Programmers often forget to remove some debugging statements and this creates defects in the final program, and After removing a debugging statement, these programmers often discover that they need that same statement to debug some different problem at a later time. Hence they are constantly inserting...
Best practice to handle the paging and performance in SQL Stored procedure Best Practice: Use of semi-colon to terminate statements; Best practices in writing queries for huge dataset Best way to delete 311 million records from SQL Server 2017 Best way to Delete million records from billion recor...
Alternative to using multiple REPLACE statements AlwaysUseDefaultCodePage: Can I change the default to True? An error occurred during local report processing. (Microsoft.ReportViewer.WinForms) An error occurred in the requested FTP operation. Detailed error description: The password was not allowed ...
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