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Ayende Rahien07/21/14
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Introducing inefficiencies into RavenDB, on purpose

The administrators on the server noted the high I/O and that a single thread was constantly busy and decided that this is likely a hung thread. The long term fix was to actually make sure that we abort the operation after a while, report to the remote server that we scanned up to a point, and had nothing to show for it, and go back to the replication loop.

Mark Needham07/21/14
2165 views
0 replies

R: ggplot: Problem automatically picking scale for difftime object

I thought it’d be interesting to create some visualisations around the times that people RSVP ‘yes’ to the various Neo4j events that we run in London. I tried to use ggplot to create a bar chart of the data. Unfortunately that resulted in this error:

Johanna Rothman07/21/14
3365 views
0 replies

What is Your Minimum Agile Reading List?

I have created a Minimum Reading List for an Agile Transition. Note the emphasis on minimum. I could have added many more books to this list. But the problem I see is that people don’t read anything. They think they do agile if they say they do agile.

Alec Noller07/20/14
2402 views
0 replies

The Best of the Week (July 11): 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 a look at Realm, a memory-efficient mobile database, a renewed focus on Java and SQL, the similarities between databases and humvees, and more.

Jim Bird07/18/14
6503 views
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Trust instead of Threats

According to Dr. Gary McGraw’s ground breaking work on software security, up to half of security mistakes are made in design rather than in coding. For the last 10 years we’ve been told that we are supposed to do this through threat modeling. What else can we do to include security in application design?

Alexey Kutuzov07/18/14
6840 views
0 replies

Docker using private registry

There is an easy way to define Docker container using Dockerfile. The other way to do it is private Docker registry. I will install now MongoDB in a Docker container w/o Dockerfile

Mike Bushong07/18/14
4922 views
0 replies

Open Compute, Open Switch API and Open Network Install Environment

Much has been published about the Open Compute Project. Initiated by Facebook, it has become an industry effort focused on standardization of many parts and components in the datacenter. It’s not a huge innovative leap, but it’s a significant convenience.

Peter Zaitsev07/18/14
1114 views
0 replies

Managing Shards of MySQL Databases with MySQL Fabric

This is the fourth post in our MySQL Fabric series. In case you’re joining us now, we started with an introductory post, and then discussed High Availability (HA) using MySQL Fabric. Today we will talk about how MySQL Fabric can help you scale out MySQL databases with sharding.

Gil Fink07/18/14
4922 views
0 replies

Quick Tip: AngularJS Controller Destructor

One of the things you might need to do is to clean up resources when a controller in AngularJS is being deactivated. The following code example shows how to use the $destroy event to remove an event handler that was registered in some pubsubService:

Sony Arouje07/18/14
1693 views
0 replies

Compile SQLite for WinRT with FTS4 unicode61 Support

I was experimenting with the FTS3/FTS4 feature of SQlite in a WinRT app. The default tokenizer ‘simple’ wont tokenize special character like $, @, etc. The solution is to use ‘unicode61’ tokenizer. Unfortunately the SQLite installer for WinRT8.1 comes without unicode61 tokenizer.

Robert Diana07/18/14
3260 views
0 replies

Geek Reading July 17, 2014

These items are a combination of tech business news, development news and programming tools and techniques.

Alec Noller07/17/14
3774 views
0 replies

The Best of DZone: July 9 - 16

If you missed anything on DZone this week, now's your chance to catch up! This week's best include reasons not to switch to Java 8 (yet), Raspberry Pi's new release, the Dockerized future, the downsides of Google Play Services 5.0, the good, bad, and ugly of JSON, and more.

Kristina Chodorow07/17/14
4598 views
0 replies

Sharing Programming

I’m going to be volunteer teaching AP computer science this fall at a NYC high school! Aside from actually prepping them for the AP exam, I’ve been thinking about how to share the programming culture I love with the students. Off the top of my head, I’d like to tell them about:

Lukas Eder07/17/14
2463 views
0 replies

Logon Triggers: The Oracle Database Magic Bullet

Imagine you want to collect detailed usage statistics to tune your Oracle database, e.g. if you want to have A-Rows and A-Time values in your execution plans. It's simple enough, but of course, you hardly ever have the required privileges. So how can we get those advanced statistics? Easy: by using a logon trigger.

Alec Noller07/17/14
3963 views
0 replies

Realm: A Memory-Efficient Mobile Database

If you're a mobile developer looking for a database that won't crush devices more thoroughly than Play Services 5.0, SQLite isn't the only option anymore. Now there's Realm, currently available for iOS (and Android, soon).