El Capitan – Update Lion 10.7 to a newer operating system: how can I avoid potential dangers?

I am running a Macbook Pro with macOS 10.7 Lion. I have already checked it and it can be updated to the latest version of macOS (Mojave). However, I want to keep everything I can running (such as applications), and I don't particularly care which operating system I upgrade to. What should I keep in mind before updating and should I consider not updating to the latest version of macOS in order to keep certain applications running in the same way?

If I upgrade the game store with an apk to a newer version, will the store automatically update when there is an even newer version available?

The Play Store application on my phone takes longer to get the latest version than other phones, so I updated it with a version of the latest stable version. I wonder, since I've updated Play Store with an apk now, will you get updates for even newer versions? As for example, if I was previously in 10.1 and updated to 10.2 with an apk, will it be updated only when the 10.3 download is available for my particular device model (or in other words, when other phones of the same model will receive the version? 10.3, will I get it too?)

The class has been compiled by a newer version of the Java environment

I tried the solutions provided in the answers section for this question, but still, nothing solved my problem.

I edited my JAVA_HOME and PATH variables in the .bashrc file.

java -version sample:

OpenJDK version "11.0.2" 2019-01-15 LTS OpenJDK Runtime Environment

Zulu11.29 + 3-CA (compilation 11.0.2 + 7-LTS) OpenJDK 64-bit server VM

Zulu11.29 + 3-CA (compilation 11.0.2 + 7-LTS, mixed mode)

javac --version sample:

javac 11.0.1

what java sample:

/ home / local / prasanth-8508 / jdk11 / jdk / bin / java

what javac sample:

/ home / local / prasanth-8508 / jdk11 / jdk / bin / javac

What could be the problem here?

How do I import data from the database to a new host running a newer version of MySQL without ssh access?

My current host for an old website only has MySQL 5.0
(serverVersion = 10.2.12-MariaDB-log).

I want to move this website to a host that has MySQL 5.5 or 5.6 or 5.7 (depending on the server that I move to).

But the only instructions I can find to update the database data from 5.0 to 5.6 / 5.7 are run from the command line, requiring ssh access that I do not have.
For example, these are the best and clearest instructions I have found, but I can not use them because, like AFAIK, I do not have ssh, nor do I fully understand the references ([he?] make. (for example, he says --no faults "for simplicity" but even if I had ssh, I do not know if I should also use that flag or others.)

I usually use MySQL Workbench to connect to remote databases, but when I connect to that old host through MySQL Workbench, a message appears saying [Workbench] It is not compatible with 5.0.
So, for that host, I used MySQL Workbench anyway to do a backup (which probably means that the backup is not good), or I use the host's web tool (it's not my preference, but obviously it's best).
I have also installed HeidiSQL recently because it seems to be compatible with 5.0 (anyway I do not give a warning / error message). So I started making backups and minor data changes on that host using HeidiSQL.

The only reason I have continued to use the host running MySQL 5.0 is because I have not yet found instructions on how to migrate data for websites on that server, either through the online database tool of a vendor. hosting, MySQL Workbench or HeidiSQL.
All I see is to perform data updates step by step through the command line and / or to update the database server.

I need a way to update the data from 5.0 to 5.6 or 5.0 to 5.7, probably in 1 step, using a gui database connection tool or some other independent method.
I will not have access to any mySQL server other than the server I am migrating to (5.0), and the server I am migrating to (5.5 or 5.6 or 5.7).

Does anyone know how to do this?


  • In general, I choose "Export" from the graphical user interface to export and I choose all the tables, when I make a backup of the database. I suppose this is the same as a "database dump" that I see referenced everywhere.
    Is this correct? If not, how do I generate an appropriate dump file?
  • What export "settings" should I use when the goal is to update and migrate?
  • I also see some references to the user table. Should I make any other export to transfer and update my database completely to a new server with a newer version?

BASH Script to find some of the newer files and remove it

I have some backup files for the database and I would like to create a bash script that returns some different names of the newer files in the current directory. For example:

/ home / user / foo /

I want the output of the script to be like this:

/ home / user / foo /

I have read a reference from here and I have been able to achieve the previous output with this example command:

#! / bin / bash
find . -name "a_ *" -print0 | xargs -r -0 ls -t | head -1
find . -name "b_ *" -print0 | xargs -r -0 ls -t | head -1
find . -name "c_ *" -print0 | xargs -r -0 ls -t | head -1

I just changed the name pattern for the different file names of backups, but how do I delete all the files except the file printed in the previous output?

macports: a port requests an earlier version of Clang. Will a newer one work?

I'm trying to install neovim.

When I run sudo port install neovim, proceed to install the clang-3.7. But nevertheless, port rdeps neovim it does not show clang-3.7 as a dependency.

So, does this mean that neither neovim nor any of its dependencies require the use of Clang-3.7? If so, then what is causing the installation of clang-3.7?

I have clang-4.0 and clang-5.0 installed. Will these work?

Are there newer models that still fit my Canon XTi underwater housing?

I want to upgrade my Canon XTi with a new Canon model that fits my DX400D Sea and Sea underwater case.

I would like a "newer" Canon model that …

  1. It has the same button layout on the back and the top should be the same as the XTi
  2. It has "live preview", so I can frame the image with LCD instead of the small view finder.
  3. It has video recording
  4. It allows me to continue using my old CANON EFS 18-55 and a TOKINA lens 10-17 DX AT-X.

Underwater housing sea and sea DX400D

Upgrade a rooted Android phone from 4.4 to a newer version

I have a Sony Xperia Z2 rooted with Android 4.4.4

Is it possible to update the phone to a new version of Android and still have root rights?

netbeans – NetworkServerControl has been compiled by a newer version of Java Runtime

I'm using Netbeans to develop a Java application using JavaFX too.

When developing the application, I took the wrong decision to update my environment and went from Java8 to Java 11 and from Derby 10.14 to Derby 10.15. The result was that I understood that JavaFX support in the new environment was too complex for me and I upgraded my environment to Java8 and Derby 10.14.

Now, however, when I try to start the Java DB server, the following error appears: "java.lang.UnsupportedClassVersionError: org / apache / derby / drda / NetworkServerControl has been compiled by a newer version of the Java Runtime (class file version 53.0), this version of Java Runtime only recognizes versions of class files up to 52.0 "

I have searched in google, stackoverflow, etc. Without any result.
Sure, I understand that this is a problem of different versions, but how can I bring the NetworkServerControl to the version I'm using? Obviously, I do not want to update to Java9.

magento 2.0.7 – Some modules use code versions newer or older than the database. First update the module code, then run & # 39; setup: upgrade & # 39;

The code base of the module does not match the DB schema and data.
Magento_Theme scheme: 2.0.1 -> 2.0.0
Magento_Theme data: 2.0.1 -> 2.0.0
Magento client schema: 2.0.9 -> 2.0.6
Magento client data: 2.0.9 -> 2.0.6
Diagram of Magento_Cms: 2.0.1 -> 2.0.0
Data of Magento_Cms: 2.0.1 -> 2.0.0
Magento registration scheme: 2.1.3 -> 2.0.3
Magento catalog data: 2.1.3 -> 2.0.3
Magento_Search scheme: 2.0.4 -> 2.0.1
Magento_Search data: 2.0.4 -> 2.0.1
Schematic of Magento_Quote: 2.0.3 -> 2.0.2
Data of the Magento appointment: 2.0.3 -> 2.0.2
Schema Magento_Msrp: 2.1.3 -> 2.0.0
Magento_Msrp data: 2.1.3 -> 2.0.0
Magento_Bundle scheme: 2.0.2 -> 2.0.1
Magento_Bundle data: 2.0.2 -> 2.0.1
Downloadable Magento schema: 2.0.1 -> 2.0.0
Magento_Downloadable data: 2.0.1 -> 2.0.0
Magento sales scheme: 2.0.3 -> 2.0.1
Magento sales data: 2.0.3 -> 2.0.1
Diagram Magento_CatalogInventory: 2.0.1 -> 2.0.0
Magento_CatalogInventory data: 2.0.1 -> 2.0.0
Schematic of Magento_GroupedProduct: 2.0.1 -> 2.0.0
Magento_GroupedProduct data: 2.0.1 -> 2.0.0
Magento integration scheme: 2.2.0 -> 2.0.1
Magento integration data: 2.2.0 -> 2.0.1
Schema Magento_CatalogRule: 2.0.1 -> 2.0.0
Data of Magento_CatalogRule: 2.0.1 -> 2.0.0
Schema Magento_SalesRule: 2.0.1 -> 2.0.0
Magento_SalesRule data: 2.0.1 -> 2.0.0
Schema Magento_Swatches: 2.0.1 -> 2.0.0
Magento_Swatches data: 2.0.1 -> 2.0.0
Schema Magento_GiftMessage: 2.0.1 -> 2.0.0
Magento_GiftMessage data: 2.0.1 -> 2.0.0
Some modules use code versions that are newer or older than the database. First update the module code, then run & # 39; setup: upgrade & # 39 ;.