Caché

Hello Cache Developers!  The purpose for this post is to outline a coding challenge that I have encountered when trying to use shortcuts (i.e. CTRL+G) within a ZEN application.   Allow me to provide a summarized background:

Our application has a ZEN page (call it the PPL page) with a tablepane that displays a list of records.   This page also has an iFrame (#1)

Last answer 5 September 2019
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Hello, has anyone tried to use Caché as a reverse proxy ?

We are trying to embed a dashboard server (Plotly Dash in this case, but it could be anything which runs on its application server) inside our application which is written in Caché.  
The dashboard/report server runs locally (for example, or inside a LAN) on port 8080, and has no authentication features, so we have to implement them on a different layer, and we'd like to use Caché for it.

Last answer 5 September 2019 Last comment 4 September 2019
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Hi,

somehow my installation on win10 canceled during finish. "Installation of Caché finished" showed up for 20 minutes and canceled with an error I didn't saved.

Every file and service was installed but never registered as successfull installation. Now I try to reinstall it but the installer shows me everytime "Another installation is already in progress. Please finish the second installation first".

The unfinished installation is broken. I can't startup Caché from launcher. So I deleted everything in c:/intersystems

Things I already tried:

Last answer 27 August 2019 Last comment 28 August 2019
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Hi Community!

Sometimes I meet a method which accepts 10+ parameters.

And often I need only the 8th parameter  to  pass. And I call the method something like:

do ##class(Some.Feature).Method(,,,,,,,"flag")

And I don't like this method when I call it like this cause, you know, often I just miss the number of commas and raise some other flag I wanted.

How do you avoid this situations? 

If you meet such a code, how do you call it and sure that you didn't miss the number of ","?

What is a good number of parameters in a method and f you need to pass more parameters in a method what do you do?

Last answer 5 May 2019 Last comment 27 August 2019
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I am trying out Atelier.  I have installed it and managed to get it to connect to a cache instance to test it.  I have created a local project and I am trying to copy the server files to it using the "Copy to Project" item on the popup menus.  I can copy both classes and routines to the project without issue, but when I try to copy the CSP files, I get the following message:

com.intersystems.atelier.utils.CheckedExceptionWrapper: Input length = 1

Last answer 27 August 2019 Last comment 9 August 2019
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Hello everyone!

Does anyone know of a library that can be used to create Mock objects for Objectscript classes?

Right now, my team has been building mock objects by hand to help circumvent dependencies when writing and executing unit tests, but I always wondered if someone had ever created a Mock library like Mockito to help quicken the process. 

Thanks!

Last answer 10 October 2017 Last comment 26 August 2019
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HI,

I have been using evaluation version of Cache 2017.2, it was working fine and I was using Cache studio, SMP  & Cache Terminal/console till yesterday.

Today, cache was in shutdown status, then I restarted.  But, Cache terminal is not working and showing as Access Denied while otherthings like studio and SMP is working as expected. I checked all security level services on SMP, all are fine and enabled.

Can anyone help me to diagnose the problem and make it working.

Thanks.

Last answer 26 August 2019 Last comment 1 November 2018
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Hi,

    I am trying to create a new report on Trakcare. I created a class file and corresponding crystal report . It works fine and data is populating when I try to run on crystal environment. But when I make a setup on Trakcare and click on print option, I am getting an error on print history " VB error in tkCrystalJob] Error number[-2147417848] Method '~' of object '~' failed [at line 421]". If I click on print preview option its going to empty browser. Inorder to setup new report, already made set up on report manager and menu manager.

Last answer 21 August 2019
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Hi

I am trying to upload a file to a ftp site using following code.
Problem is file is getting upload but there is no data. Can you plz advise where I am getting lost.
Also my files are with big data, 2+ GB, as far as know this ftp upload will not effect on my cache.dat size. Plz correct if my understanding is not correct.

Last answer 20 August 2019 Last comment 14 August 2019
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Hi Developers!

InterSystems IRIS stores everything in globals and if we use ObjectScript classes to persist data class documents globals it uses in storage. But if you use globals for calculations, temporary storages, for special indexes or for some other purposes - how do you document it?

Possible options which come to my mind:

1. Macro

#define Array ^MyGlobal

usage:

s $$$Array(1)=1

2. Class parameter

Parameter Array ="^MyGlobal";

Usage:

Last answer 20 August 2019 Last comment 18 August 2019
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I have a list property that I query from the database to get the values contained in that list using $LISTFROMSTRING() when the list is returned the list values contain a rectangle like character similar to when you copy past something to the Terminal and it has a preceding space .The problem is I need to compare those values to other values and they do not match because of this value I have tried to use $EXTRACT(value,*W) and *P but this is not striping the preceding character how do I get rid of this character any ideas please. 

Last answer 15 August 2019 Last comment 15 August 2019
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Hello All,

I need some help:

 I would like to create Web Application using our ZEN with Cache DB so please guide me.

1.What is difference between zen page and zen application.

2.what is the difference between Client Method and server Method then where to use it.

Thanks.

Last answer 12 August 2019 Last comment 14 August 2019
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Hi

Is there any way to control what control sequence is sent to a device when a   "write #" is executed?

I have an application that establishes a banner at the top of the terminal window and when we do a   "write #" the banner disappears.  I need to be able to recreate the banner line as part of the screen clear.

Thanks

Jenna

Last answer 13 August 2019 Last comment 12 August 2019
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Hi,

I am trying to use the  LogicialToDate method in the %Library.FilemanDate class.  In the class documentation it talks about the parameter STRICTDATA (see below).  I would like to set the STRICTDATA to a 1 but I am not sure how to do that when using this method because the method does not reference this as a parameter to be passed into it.  (see below).

How do I set the parameter?

Thanks

parameter STRICTDATA = 0;

Last answer 12 August 2019 Last comment 12 August 2019
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Hey Guys,

I got stuck with this for 2 days, please help me

Actually my logic is when I enter the input on the text field in browser, the entered input to be print on the next page but I am getting "Undefined". How to i do it.

Below is my code:

 

 

Last answer 10 August 2019 Last comment 10 August 2019
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Just wondering if anyone knows if there is a way to get daily emails or alerts about changes to a cache database.  I know that all of that information is contained within the journal files, just wondering if there is a way to bundle it up each day and send it off for auditing, etc.

Any solution where a plain-text/readable format of changes to the cache database could be sent or stored for review would solve the issue.

 

Thanks!

Last answer 8 August 2019
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Hello,

There is a problem connecting clients through ODBC.

"ERROR [08S01] [Cache ODBC][State : 08S01][Native Code 459]
Connection via cconnect failed: 
TCP connect() failed - exception satisfied select().
Reason: (10061, 0x274d) No connection could be made because the target machine actively refused it."

Error sometimes occurs. In cconsole.log there are only messages about high CPU usage.

ODBC and Cache version Cache for Windows (x86-64) 2013.1.4 (Build 801).

Any suggestions?

Last answer 8 August 2019 Last comment 8 June 2019
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Hi,

I have a method that has multiple parameters and is normally used from other classes in ObjectScript. Most of the parameters have default values. Withing the server code that's perfect. In some areas I can call myMethod(,,"sometext") or myMethod(tVariab) and thats fine... I use it as it's required in each place.

But now I want to expose it as a REST service so I need to buld a kind of wrapper., another method in a REST dispatcher class that will receive the parameters in a JSON object and will call the server method already implemented. Something like:

Last answer 7 August 2019 Last comment 7 August 2019
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