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Client Docs. The Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets (No Excuses!) By Joel Spolsky Wednesday, October 08, 2003 Ever wonder about that mysterious Content-Type tag?

The Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets (No Excuses!)

You know, the one you're supposed to put in HTML and you never quite know what it should be? Did you ever get an email from your friends in Bulgaria with the subject line "???? ?????? I've been dismayed to discover just how many software developers aren't really completely up to speed on the mysterious world of character sets, encodings, Unicode, all that stuff. But it won't. So I have an announcement to make: if you are a programmer working in 2003 and you don't know the basics of characters, character sets, encodings, and Unicode, and I catch you, I'm going to punish you by making you peel onions for 6 months in a submarine. And one more thing: In this article I'll fill you in on exactly what every working programmer should know. A Historical Perspective The easiest way to understand this stuff is to go chronologically.

And all was good, assuming you were an English speaker. Unicode Hello Encodings. Submit Service Ticket.

Wikis

Web Services. IF Function. Returns one value if a condition you specify evaluates to TRUE and another value if it evaluates to FALSE.

IF Function

Use IF to conduct conditional tests on values and formulas. Syntax IF(logical_test,value_if_true,value_if_false) Logical_test is any value or expression that can be evaluated to TRUE or FALSE. For example, A10=100 is a logical expression; if the value in cell A10 is equal to 100, the expression evaluates to TRUE. Value_if_true is the value that is returned if logical_test is TRUE.

Value_if_false is the value that is returned if logical_test is FALSE. Remarks Up to seven IF functions can be nested as value_if_true and value_if_false arguments to construct more elaborate tests. Example 1 The example may be easier to understand if you copy it to a blank worksheet. How to copy an example Create a blank workbook or worksheet.

Note Do not select the row or column headers. Selecting an example from Help Press CTRL+C. Example 2 Example 3 Example 4. LOOKUP function. This article describes the formula syntax and usage of the LOOKUP function (function: A prewritten formula that takes a value or values, performs an operation, and returns a value or values.

LOOKUP function

Use functions to simplify and shorten formulas on a worksheet, especially those that perform lengthy or complex calculations.) in Microsoft Office Excel. Description The LOOKUP function returns a value either from a one-row or one-column range (range: Two or more cells on a sheet. The cells in a range can be adjacent or nonadjacent.) or from an array (array: Used to build single formulas that produce multiple results or that operate on a group of arguments that are arranged in rows and columns. An array range shares a common formula; an array constant is a group of constants used as an argument.). Notes You can also use the LOOKUP function as an alternative to the IF function for elaborate tests or tests that exceed the limit for nesting of functions. Syntax lookup_value Required. Remote. Global FTP. Parature. Certify. Integrations Backlog.