#Code Snippet

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Code snippet is a programming term for a small region of re-usable source code, machine code, or text.

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Question Scott Beeson · Feb 8, 2016

Variable scope in .mac routine?

Given the following code:

start
    set tstVar = "Green"
    do TestIt()
 
TestIt() {
    write tstVar
}

I get <UNDEFINED>start+4^DeploymentTool *tstVar
 

I also tried setting the variable outside the start method but that doesn't work either.  I realize I could pass tstVar to the TestIt() routine but I'm trying to create a couple variables that will be reused repeatedly so that doesn't really work.

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Question Scott Beeson · Jan 21, 2016

[SOLVED (KIND OF)] Missing something obvious trying to do a lookup in a method

So calling this lookup manually from the console works as expected:

PHR>set key = "WMMC_IMM"
PHR>w ##class(Ens.Util.FunctionSet).Lookup("BlockFeed",key)
1

However, calling it from a method with some concatination to build the key is giving me problems:

ClassMethod canSendToState(iParticipant As %String, iFeed As %String) As %Boolean
{
    set k = iParticipant _ "_" _ iFeed
    w "Looking up " _ k,!
    set x = ..Lookup("BlockFeed",k,"not found")
    w "x = " _ x,!
}
PHR>w ##class("Custom.MHC.Common.Functions").canSendToState("WMMC","IMM")
Looking up WMMC_IMM
x = not found
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Article Brendan Bannon · Nov 9, 2015 1m read

Cache SQL Storage Mapping

The attached zip file contains a bunch of examples of Cache SQL Storage mappings that I have done over the years.

If you have existing globals and want to expose them via Objects or SQL you need to setup Cache SQL Storage mapping.  If you do not see an example that helps with your case send me an example and I can help you out.

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Article Daniel Kutac · Nov 9, 2015 3m read

Tipy a Triky s Caché

Tip dvacátý šestý: objekty a concurrency 2 - swizzling

Když tento seriál před několika lety začínal, byl jeho první díl věnován zajištění izolace instance objektů pro exkluzivní přístup a popisu příslušných API funkcí. Nedávno se mi ale stalo, že mě tento díl dostihl. Jeden ze zákazníků začal mít problémy v aplikaci, přestože důsledně používal exkluzivní zámky pro editování instancí svých objektů.

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