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Develop #34

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merged 3 commits into from Jul 13, 2011
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Develop #34

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4dbcce8
added myself to the readme.markdown file
designfrontier Jul 12, 2011
f0598e5
Changed the this scope to the local scope in the makeEggs() method in…
designfrontier Jul 13, 2011
11c1d3b
missed one instance of this that needed to be replaced by local
designfrontier Jul 13, 2011
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32 changes: 16 additions & 16 deletions cfml100mins.markdown
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Expand Up @@ -909,44 +909,44 @@ ColdFusion did not have a way of referring to nothingness until version 9. ColdF

If you have three eggs, eat three eggs, then you might think you have *nothing* , but in terms of eggs you have "0". Zero is something, it's a number, and it's *not nothing*.

A large percentage of the errors you encounter while writing CFML code will involve a variable not existing. You thought something was there, you tried to do something to it, and you can't do something to nothing so CFML creates an error. Lets rewrite our ```makeeggs``` method to illustrate "NULL" :
A large percentage of the errors you encounter while writing CFML code will involve a variable not existing. You thought something was there, you tried to do something to it, and you can't do something to nothing so CFML creates an error. Lets rewrite our ```makeEggs``` method to illustrate "NULL" :

#### Tag

```cfm
<cffunction name="makeeggs" returnType="component">
<cffunction name="makeEggs" returnType="component">
<cfargument name="quantity" type="numeric">
<cfif (IsNull(arguments.quantity)) />
<cfset this.makeEggs = "How am I supposed to make nothingness number of eggs?" />
<cfset local.makeEggs = "How am I supposed to make nothingness number of eggs?" />
<cfelse>
<cfset this.makeEggs = "Making your #arguments.quantity# eggs!" />
<cfset this.yourEggs = ArrayNew(1) />
<cfset local.makeEggs = "Making your #arguments.quantity# eggs!" />
<cfset local.yourEggs = ArrayNew(1) />

<cfloop condition="#ArrayLen(this.yourEggs)# LT #arguments.quantity#">
<cfset ArrayAppend(this.yourEggs, "Making an Egg.") />
<cfloop condition="#ArrayLen(local.yourEggs)# LT #arguments.quantity#">
<cfset ArrayAppend(local.yourEggs, "Making an Egg.") />
</cfloop>
</cfif>
<cfreturn this />
<cfreturn local />
</cffunction>
```

#### Syntax

```cfm
public component function makeeggs (numeric quantity){
public component function makeEggs (numeric quantity){
if (IsNull (arguments.quantity)) {
this.makeEggs = "How am I supposed to make nothingness number of
local.makeEggs = "How am I supposed to make nothingness number of
eggs?";
} else {
this.makeEggs = "Making your #arguments.quantity# eggs!";
this.yourEggs = ArrayNew (1);
while (ArrayLen (this.yourEggs) < arguments.quantity)
ArrayAppend (this.yourEggs, "Making an Egg.");
local.makeEggs = "Making your #arguments.quantity# eggs!";
local.yourEggs = ArrayNew (1);
while (ArrayLen (local.yourEggs) < arguments.quantity)
ArrayAppend (local.yourEggs, "Making an Egg.");
}
return this;
return local;
}
```

Reload the file, call ```frank.makeeggs(3)``` then try ```frank.makeeggs()```.
Reload the file, call ```frank.makeEggs(3)``` then try ```frank.makeEggs()```.

**TODO: Conclusion**
2 changes: 2 additions & 0 deletions readme.markdown
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Expand Up @@ -22,6 +22,8 @@ Daniel Short (@danshort on twitter) * [http://www.dansshorts.com](http://www.dan

Craig Kaminsky (@craigkaminsky on twitter) * [http://craigkaminsky.me](http://craigkaminsky.me)

Daniel Sellers (@daniel_sellers on twitter) * [http://designfrontier.net](http://designfrontier.net)

## Git Workflow for Contributors

This project uses the excellent [Git Workflow series](http://www.silverwareconsulting.com/index.cfm/Git-Workflow) by [Bob Silverburg](https://github.com/bobsilverberg/) for contributions.
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