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Type: Posts; User: starzen

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  1. Replies
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    Re: REST API in windows DF2021

    calling a REST API is very simple

    you are calling a URL using HTTP with a verb (GET, POST, PUT, ..)

    you may be sending some data in a specific type (need to set the content type properly)
    ...
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    Re: DataFlex accessing .NET

    current vstudio looks a bit different but you should be able to easily follow this

    here are some things about this

    while this works it can be a lot of work. you have to write interfaces for...
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    Re: DataFlex accessing .NET

    had to find way back to 2016

    http://salzlechner.com/dev/2016/02/26/interfacing-dataflex-net-and-com-interop/
  4. Re: OnHttpRequest quick response for long running process (asynchronous)

    you have to do it as a separate background process and let the webapp session finish.

    Either spawn a separate process using runprogram or shellexecute or for a more sophisticated system you can...
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    Re: programs folder

    make sure to always specify where to create files when creating files. often the working directory can be the programs folder and then files without path will be created there
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    Re: Updating running DataFlex applications

    in general i wouldnt replace running programs like that. only in an emergency. thats why we are using local copies

    Even on a RD server every user has their own copy of the exes
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    Re: Updating running DataFlex applications

    works on standalone also. just tested to make sure. compiled and ran a program, renamed the exe while running and then renamed it back

    if you try to copy a file over first then rename will not...
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    Re: Updating running DataFlex applications

    we use an automated system in some installations

    each workstation has its own copies of the EXE.
    each program has a version number compiled in and the current version numbers are on the network...
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    Re: Am I the first webapp of the pool?

    thats why i mentioned that this could happen 10 times in one day if for some reason the webapp or webapp server is restarted or it could not happen at all for weeks or months

    not completely sure...
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    Re: Am I the first webapp of the pool?

    to be honest i would be interested what you need this for.

    depending on several things this could happen multiple times a day or not at all for weeks or months.
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    Re: Am I the first webapp of the pool?

    Sture

    you can use shared memory or a semaphore or any other IPC mechanism.
    We use that for example for a login program for multiple programs.

    but i would probably make sure that there isnt a...
  12. Re: URL specifies View to load and data for a form field

    originally my reply had some info in it

    this is whats normally called routing. DFs implementation is a bit more unclear to other languages

    if you look at the following url


    ...
  13. Re: URL specifies View to load and data for a form field

    realize you want to pass in info for a new record. in that case i guess UrlParameter would be a good choice
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    Re: List of servers in SQL Server

    look at MSSQLDRV.PKG specifically EnumerateServers

    i have not used this because we are using our own DLL but this should do the trick
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    Re: List of servers in SQL Server

    make sure your SQL Browse service is running
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    Re: Sql encrypted connection

    in df apps we store the connection string encrypted in a config file. the app reads and decrypts

    on AWS we store the conenction string encrypted in the parameter store.
  17. Re: How do I Copy/Paste a PDF file in Windows 19.1

    have not tried this you you can share your local drives on RDP and then should be able to access them from the RDP session via UNC
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    Re: Implementing Starzen szLibXL

    have to check if i finished this one yet. i remember working on it
  19. Thread: Creating

    by starzen
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    Re: Creating

    i am guessing it cause a field changed state for some reason. the save happens on navigation
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    Re: Implementing Starzen szLibXL

    Gleidson

    we received your email. i tried to respond but my email was not delivered

    the site is up and running here.
  21. Thread: Creating

    by starzen
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    385

    Re: Creating

    something is setting a changed state on the DD
  22. Thread: Creating

    by starzen
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    14
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    385

    Re: Creating

    looks like a row change is causing the save

    possibly because you have some change in the DD and the row is changing?
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    Re: WebApp and SignalR - Future?

    You may be thinking about Blazor WebAssembly which is not even released yet. It will have its place especially for disconnected apps by allowing to run client side code but it doesnt mean all your...
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    Re: Redefining function return Warning

    the issue is not within classes

    the issue is that the return type for all calls will be modified

    for example we had a function returning an integer. later a function was defined with the same...
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    Re: Redefining function return Warning

    thats what it used to do and it creates a big issue with data integrity.

    it should really learn how to handle full method signatures like that

    namespaces would be another way to work around...
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