
What are the differences between if-else and else-if?
2017年4月13日 · If, else and else if are all constructs to help 'branch' code. Basically, you employ them whenever you want to make a decision.
SQL "IF", "BEGIN", "END", "END IF"? - Stack Overflow
2012年1月10日 · Not a SQL person at all. Have the following code a consultant wrote. First, it makes sure only an elementary school has been chosen - then, after the BEGIN, if the …
java - && (AND) and || (OR) in IF statements - Stack Overflow
All the answers here are great but, just to illustrate where this comes from, for questions like this it's good to go to the source: the Java Language Specification.
html - if then statement in html5 - Stack Overflow
2013年7月3日 · Attach an "onchange" event to your select element with a function which checks which option is the selected value and if it is the "Other" option, change a hidden text box from …
SQL Server IF NOT EXISTS Usage? - Stack Overflow
2009年7月24日 · Ok, so my schema is this: Table: Timesheet_Hours Columns: Timesheet_Id (PK, int) Staff_Id (int) BookedHours (int) Posted_Flag (boolean) This is an extremely simplified …
If two cells match, return value from third - Stack Overflow
2014年10月15日 · Here's a simple explanation of what I'm having trouble with. Column A: List of 2300 order numbers Column B: Email Address associated with an order number Column C: …
RegEx for matching "A-Z, a-z, 0-9, _" and "." - Stack Overflow
2019年5月14日 · ^[A-Za-z0-9_.]+$ From beginning until the end of the string, match one or more of these characters. Edit: Note that ^ and $ match the beginning and the end of a line.
Power BI, IF statement with multiple OR and AND statements
2019年8月22日 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about …
Check whether a cell contains a substring - Stack Overflow
2013年9月4日 · Is there an in-built function to check if a cell contains a given character/substring? It would mean you can apply textual functions like Left/Right/Mid on a conditional basis without …
An "and" operator for an "if" statement in Bash - Stack Overflow
I'm trying to create a simple Bash script to check if the website is down and for some reason the "and" operator doesn't work: