SQL Developer 4.0 extensions not loading - oracle-sqldeveloper

I've recently downloaded the new SQL Developer 4.0 tool, and moved my usually used extensions to it. But while after i started the software my extensions weren't there ! not loaded at all and no log about them when i activated debug logging mode !
Any body has an idea on how to load extensions in 4.0 version ?

As noted in the early adopter release announcement:
All 3rd party extensions are currently disabled – our framework has
changed such that they will need to be updated to be compatible with
the new version
The extension developers will need to update their extensions; if there is not already a new version available you'll need to contact them directly to ask for this to be done, it's not something Oracle has control over really. This and this might also be of interest. As mentioned in the release notes, issues with the early-adopter version should be reported on the SQL Developer forum.

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Installing older version of AnyLogic or downgrading AnyLogic

The newest AnyLogic version is not supported by my current AnyLogic license. The license only supports up to 8.3.3. However, I do wish to install AnyLogic on another computer and activate it with my license. However, surprisingly I could not find downloads of earlier AnyLogic versions. Does anyone know if and where I can find these earlier versions, and whether I perhaps can downgrade a newer AnyLogic version?
https://www.anylogic.com/files/anylogic-professional-8.3.3.exe
For any version, just put the version you want and you will likely be able to download it
if using mac:
https://www.anylogic.com/files/anylogic-professional-8.3.3.dmg
In addition to Felipe's answer, you can always ask
support#anylogic.com
if you need very old versions. I believe that AL7.x is not available online anymore but they happily send the installers if you need them.

Using Copy Local for ESRI References?

I have recently updated to ArcGIS 10.4 and I have to update some code written for ArcGIS 10.2. The code must be run on a 10.2 machine so I thought if I make all the ESRI references 'Copy Local' it would run (with 10.4 compilation) on a 10.2 machine.
Can I use 10.4 code on a 10.2 machine with Copy Local set?
No you can't
Unfortunately ArcObjects is only forward compatible (not backward).
You can find this in the Documentation under "compatibility across newer versions of ArcGIS".
Add-ins targeting previous versions of ArcGIS will automatically load in newer releases, there is no need to rebuild or reinstall them. For example, ArcGIS 10.4 will automatically discover and load add-ins from the 10.3 well-known folder location. Add-ins are not backward compatible; for example, and add-in targeting ArcGIS 10.4 will not load in 10.3.
It's possible to develop targeting 10.2 and use your code in 10.4.
However subtle changes between ESRI SDK versions can cause hard to find issues. (for example field names on joined tables are different between some versions of the SDK)
When I need to support multiple versions, I compile against the lowest version, and test it on a virtual machine with the newer version (remote debugger).
This might not be the answer you're looking for, but I hope it helps to solve your problem.

Plugins for APEX 3.2

Are there any plugins for Application Express 3.2? Every plugin I can find requires APEX 4.0 at a minumum.
I was specifically interested in a plugin that would allow multiple file uploads such as this one
Per company policy, I am not able to upgrade to a higher version of APEX.
The APEX plug-in architecture was introduced in version 4.0. Prior to that, plug-ins were not available in APEX.

Does DotNetNuke 6 support Ajax Control Toolkit?

Does anybody have successfully working module in DNN 6 with the Ajax Control Toolkit?
My modules stopped working when we migrated from DNN 5.x to to 6.x.
Modules compile without errors but I am getting client side script error:
'AjaxControlToolkit requires ASP.NET Ajax 4.0 scripts. Ensure the correct version of the scripts are referenced. If you are using an ASP.NET ScriptManager, switch to the ToolkitScriptManager in AjaxControlToolkit.dll'
Seems like this is conflict with Telerik's controls, according to information that I have found. But I didn't find any info how to fix it.
You should be able to use older versions of the ASP.NET AJAX Control Toolkit, but once they start requiring the ToolkitScriptManager, you're out of luck with DNN (though you'll be out of luck with any version of DNN, since there's not a way to override the type of ScriptManager it uses.
Starting with DNN 6, they use Telerik's RadScriptManager. Previously, you could modify the core code to switch out for the ToolkitScriptManager, but now switching out might cause other issues.
It could work together, but you'll need do some modifications to the core of DNN.
Here the list of things to do:
Check that you're using latest version of .Net 4.0 binaries of AjaxControlToolkit (I was able to let it work for DNN 6.0.1 with Telerik 2011.01.519 and ACT September 2011 v4.1.50927)
Check that in your web.config you have assembly binding redirects for System.Web.Extensions and System.Web.Extensions.Design to the version 4.0
Take DNN source package, find Library\Framework\AJAX.cs, locate method AddScriptManager, instantiation of RadScriptManager in it, for the version 6.0.1 look into line 54. Add one more property initializer:
EnableScriptCombine = false. Compile it (in Release configuration, of course), take DotNetNuke.dll and drop into your DNN installation.
You should be done.
Credits goes to Telerik support, despite it's stated there that it should work out of the box starting from 2010.1.625. Not sure, did I get them wrong, or they just reintroduced this bug.
P.S. DNN support promises to release version 6.1.0 in November with updated Telerik controls, which should fix this issue, at least on their opinion.
Just checked with nuke 6.1 and the last version of jaxcontroltoolkit - still the same error.
It looks like it's not supported anymore. Sad:(

Migrate Enterprise Library 4.1 to 5.0

We are using enterprise library 4.1 and smart client software factory 2008 to our application.
how we can upgrade enterprise library 5.0 and SCSF 2010 to our application.presently we are using visual studio 2008.
To upgrade what are the thing needs to be taken care.
Early help would be appreciated.
In terms of Enterprise Library, the best case scenario would be to replace the 4.1 assembly references with 5.0 assembly references and change the configuration (to use 5.0 references instead of 4.1 references). However, you could also hit some issues.
You should read the Microsoft Enterprise Library 5.0 Migration Guide for a full description. The Breaking Changes document could also help you determine if you may run in to migration issues.
For the Smart Client Software Factory the approach appears the same: change the references and configuration to use the new dlls. The Web Client Software Factory 2010 Documentation download has a section on Migrating to Visual Studio 2010.
Install the 5.0 package.
remove all the previous refreneces and add the newer ones generated.
You can refer the dlls by copying it to some folders or directly from the location where you have installed (C:\programfiles\Microsoftenterpriselibrary5.0)
I faced the below issues while migrating
Configuration errors in web.config files - some of my references in the web.config files were refering to the older version(2.0.0.0)(i upgraded from 2.0 to 5.0) and the publictokenkey="null"
so i pushed all the dlls to the gac and added the publicktokenkey from the c:\windows\assembly. which solved the issue
And another issue was regarding the microsoft.practices.enterpriselibrary.caching.cryptography- it was displaying soem weird error.- solution-the bin folder was having the old dlls and when tried to
clean the solution the dll reference was still there. SO i deleted all those from the folder and rebuild again.
IT was initially having the logicacmg.enterpriselibraryextensions.logging which caused some issues- i used the microsoft.practices.enterpriselibrary.logging.configuration.rollingflatfiletracelistenerdata which could solve the issue.
Hope some one might get some inputs with this post