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New Release! MySQL Connector/Arduino 1.1

The newest release of the MySQL Connector/Arduino library release-1.1 alpha is available for download. This new version represents a major step forward for the library in ease of use. Here are just a few of the important changes in this release.

  • Added to Library Manager : yes, you can download and install the library from the Arduino IDE now. Just open the Library Manager and search for "MySQL".
  • More Example Sketches : there are many more example sketches of how to use the new library from basic connections to complex queries and more! 
  • Redesigned Classes : the library has been redesigned with new classes making it much easier to use a wider variety of shields and modules. Now, you pass in the Client class for your shield and so long as it adheres to the Ethernet.Client primitive, you can use any library to initiate …
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An update on default_password_lifetime

With MySQL 5.7, our goal is to be secure by default. This means that without having to change configuration settings or perform any additional steps, your fresh installation should be safe for production use.

As part of this security initiative, MySQL 5.7 shipped with a new feature where user accounts will be disabled if the password has not been changed in a number of days.…

How to write SQL query?

We have discussed about the conceptual data model, logical data model, normalization and denormalization techniques and we discussed about installing and running up with MySQL community server.  What will be next? Once we build the data model and decided the database server, the next process will be start developing the physical database. What is needed to develop physical database? We need a common language to communicate with both the developer and database server. Here, comes the structure query language. So in this post we are going to see about the …

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Making Apache Spark Four Times Faster

This is a followup to my previous post Apache Spark with Air ontime performance data.

To recap an interesting point in that post: when using 48 cores with the server, the result was worse than with 12 cores. I wanted to understand the reason is was true, so I started digging. My primary suspicion was that Java (I never trust Java) was not good dealing with 100GB of memory.

There are few links pointing to the potential issues with a huge HEAP:

http://stackoverflow.com/questions/214362/java-very-large-heap-sizes

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Log Buffer #457: A Carnival of the Vanities for DBAs

This Log Buffer Edition begins with some great blog posts from Oracle, goes through SQL Server and then ends with MySQL.

Oracle:

  • Ruby-oci8 is a ruby interface for an Oracle Database.
  • Another python graph – one wait event.
  • This article compares FBL and HDL – two of the commonly used data loading tools in Fusion HCM to highlight key differences and similarities.
  • Better Data Modeling: Customizing Oracle …
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The Architecture of Schemaless, Uber Engineering’s Trip Datastore Using MySQL

How Uber’s infrastructure works with Schemaless, the datastore using MySQL that’s kept Uber Engineering scaling since October 2014. This is part two of a three-part series on Schemaless; part one is on designing Schemaless.

In Project Mezzanine:

The post The Architecture of Schemaless, Uber Engineering’s Trip Datastore Using MySQL appeared first on Uber Engineering Blog.

How to install MySQL server on windows?

Last week I got an assignment where I need to install MySQL server on client’s machine, after checking the system requirements, I came to know that, the machine contains the 64 bit windows operating system. So I thought to download MySQL community server for windows 64 bit operating system, but I found that the website provides only 32 bit installer for windows, and for 64 bit operating system, the website provides the zip file for download. My client needs to manage the MySQL products by himself; he was expecting software where he can manage all MySQL products at one place, so we need MySQL installer in that machine. So I decided to install MySQL server on windows machine using MySQL installer web community. In this post, let me go through the step by step guide to install MySQL server on windows machine.
After reading this completely you can answer the following question:

  • How and where to get MySQL community edition? …
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Laravel after login redirect back to previous url

If you are working on laravel and you want to do like How to redirect back to previous url After login after login user you can redirect his previous page as he was before you can do this i would like to give you two example first example is using intended and second one is using session but

Restricting Connections to Secure Transport

MySQL 5.7 makes secure connections easier with streamlined key generation for both MySQL Community and MySQL Enterprise, improves security by expanding support for TLSv1.1 and TLSv1.2, and helps administrators assess whether clients are connecting securely or not with new visibility into connection types.  Extending this emphasis on secure connections, MySQL Server 5.7 introduces a new server-side configuration option allowing MySQL administrators the ability to restrict connections …

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OpenSSH CVE-2016-0777: Details and Mitigation

Earlier today advisories were sent out regarding OpenSSH versions 5.4 through 7.1., informing users about a security bug in the software. In essence, the advisory instructed people to add the  

UseRoaming no

 option to their ssh_config file, with a promise for further information to be made available shortly.

 

Add undocumented "UseRoaming no" to ssh_config or use "-oUseRoaming=no" to prevent upcoming #openssh client bug CVE-2016-0777. More later.

— markus (@msfriedl) January 14, 2016

The post on the security issue at OpenBSD Journal can be seen here: http://undeadly.org/cgi?action=article&sid=20160114142733

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