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Mike Bushong07/09/14
1394 views
0 replies

Is the Enterprise Datacenter a Dying Breed?

There is no question that many of our applications will move to the cloud. Pure economics will drive that. But at the same time there will continue to be resistance for a long time to come to move certain applications and data into the cloud.

Abby Fichtner07/08/14
4014 views
0 replies

Why "Hacker?"

As a self-taught programmer, the most inspirational book for me in my early years, what really made me want to be a coder and never look back, was Steven Levy’s Hackers: Heroes of the Computer Revolution.

Lukas Eder07/08/14
1118 views
0 replies

PostgreSQL’s Table-Valued Functions

Table-valued functions are an awesome thing. Many databases support them in one way or another and so does PostgreSQL. In PostgreSQL, (almost) everything is a table.

Mike Bushong07/08/14
3061 views
0 replies

Explicitly-defined failure domains in the datacenter

While the bulk of the networking industry’s focus is on CapEx and automation, the two major trends driving changes in these areas will have a potentially greater impact on that which matters most: availability.

Ariya Hidayat07/08/14
5449 views
0 replies

Extracting Parts of Git Repository and Keeping the History

For maintenance purposes, it is often beneficial to separate projects into their own projects. Furthermore, the commit history for the extracted project should not be lost. With Git, this can be achieved using git-subtree.

Alec Noller07/07/14
5951 views
1 replies

The Achilles' Heel of NoSQL

NoSQL is big business, but according to John A De Goes, it has a fatal flaw in its lack of analytics tooling. Given that SQL is working to incorporate some of the advantages of NoSQL, what will happen as the divide between the two becomes narrower?

Erich Styger07/07/14
2360 views
0 replies

Snake Game on the FRDM-KL25Z with Nokia 5110 Display

So I have another nice usage for my boards and the joystick shields :-). I need to admit that I’m not very good at the game. My daughter reached level 4 in the first attempt, while my max level is 2, maybe it is just the age ;-)

Jeremy Likness07/07/14
4448 views
0 replies

Video: Quick Tip for Debugging AngularJS Applications

In this video I'll show you how to quickly determine where the source code bound to a function in the UI is so you can set a breakpoint to step into the code directly.

Peter Zaitsev07/07/14
1426 views
0 replies

Failover with the MySQL Utilities, Part 1: mysqlrpladmin

MySQL Utilities are a set of tools provided by Oracle to perform many kinds of administrative tasks. When GTID-replication is enabled, 2 tools can be used for slave promotion: mysqlrpladmin and mysqlfailover. We will review mysqlrpladmin (version 1.4.3) in this post.

Mike Bushong07/07/14
1009 views
0 replies

Network cost and complexity: As simple as changing the y-intercept?

Architects and operators should ask this question to see what kinds of answers come back. An honest answer should lead to follow-on questions.

Peter Zaitsev07/06/14
1091 views
0 replies

Getting to Know TokuDB for MySQL

If you haven’t tried TokuDB yet, here’s an opportunity to do so. This first post looks into giving a bit of context about how TokuDB fits into MySQL, and the next one, to be published in the following days, will document my experience in installing it with Percona Server.

Alec Noller07/06/14
2651 views
0 replies

The Best of the Week (June 27): SQL Zone

Make sure you didn't miss anything with this list of the Best of the Week in the SQL Zone. This week's best include Hibernate and UUID identifiers, the dangers of SQL joins interacting with aggregate functions, the meaning of the %util number from iostat, and more.

Alec Noller07/05/14
4968 views
0 replies

PostgreSQL & Active Record: Two SQL Injection Vulnerabilities

If you're working with Active Record and PostgreSQL, you may want to be aware of a pair of SQL injection vulnerabilities publicized by Rafael Mendonça França. According to his mailing list email, the vulnerabilities affect PostgreSQL versions above 2.0, and rely on unconventional data types found in Postgres.

Paul Underwood07/04/14
7299 views
0 replies

Dynamically Create CSS Classes With SASS

One of my favourite features of SASS is the ability to use loops to dynamically create your CSS classes. A good example of this is when you want to make a set of classes to use for changing the text colours and background colours of elements you would normally have to write CSS like this.

Chris Odell07/04/14
5005 views
0 replies

De-registering a WordPress Custom Taxonomy

You know how to register a custom taxonomy and how to register terms for that taxonomy. However what do you do if you want to de-register a taxonomy?