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Token bucket!
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"Employee of the Quarter" (not)
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Geek-o-Terica 17: Accuracy vs. Precision, The Time Drift Chronicles
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Some Interesting Tech I’ve Been Involved With Lately
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The Interesting Difference Between "Exception" and "RuntimeException" (Java)
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Top 10
How to get ALL of the documents: db.search() vs. db.AllDocuments vs. AllDocuments view
Mon, Oct 25th 2010 394
Geek-O-Terica 15: Easy conversion of Notes documents to MIME format (Part 1)
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"Employee of the Quarter" (not)
Fri, Dec 27th 2013 166
Token bucket!
Sun, Jun 8th 2014 166
Geek-O-Terica 16: Easy conversion of Notes documents to MIME format (Part 2)
Mon, Apr 4th 2011 162
Some Interesting Tech I’ve Been Involved With Lately
Sat, Apr 20th 2013 146
Using Fiddler to monitor HTTP traffic in Domino Java agents
Mon, Mar 14th 2011 135
Geek-o-Terica 14: How Using "LimitEntries" Can Mess Up Db Replication (Unintended Side-Effects)
Wed, Jan 16th 2013 132
Geek-o-Terica 17: Accuracy vs. Precision, The Time Drift Chronicles
Mon, Sep 9th 2013 132
The Interesting Difference Between "Exception" and "RuntimeException" (Java)
Sat, Feb 2nd 2013 114


Two-Headed Beast redux
Bob Balaban    

Greetings, Geeks!

Just a quickie to let you know that my friend and colleague, Chuck Connell, has posted some very cool enhancements to my original 2-headed beast samples on his downloads page. LOTS of other very interesting stuff there too, so go check it out.

My write-up on Two-Headed Beast is here.

(Need expert application development architecture/coding help? Contact me at: bbalaban, gmail.com)
Follow me on Twitter @LooseleafLLC
This article ©Copyright 2010 by Looseleaf Software LLC, all rights reserved. You may link to this page, but may not copy without prior approval.

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http://www.bobzblog.com/tuxedoguy.nsf/dx/two-headed-beast-redux
Jun 04, 2010
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Recent Blog Posts
166


Token bucket!
Sun, Jun 8th 2014 11:10a   Bob Balaban
Greetings, geeks! I came across this problem on a project I'm doing: given a RESTful API on a web application server, how do you "throttle" calls so that a given authenticated user can only make a certain number of calls (N) per time interval (W), where both N and W are configurable. The solution I came up with is basically a “Token Bucket” with a sliding time window. What surprised me when I got something working was how easy it really was to implement. The context in whi [read] Keywords: application applications java server twitter
166


"Employee of the Quarter" (not)
Fri, Dec 27th 2013 2:20p   Bob Balaban
Greetings, geeks! This one is not a technical topic, so feel free to move on. In my work email today, I received a shotgun message announcing the current "Employee of the Quarter". The lucky designee receives preferential parking (near the building entrance) for 3 months. There was a long-ish description of how great the EotQ is, and why they were selected for this honor. Not to take away from someone who is obviously (from the email description) a very hard worker, get-it-done typ [read] Keywords: email twitter
132


Geek-o-Terica 17: Accuracy vs. Precision, The Time Drift Chronicles
Mon, Sep 9th 2013 5:20a   Bob Balaban
Greetings, geeks! Ever need a software timer to see how long it took to do something? This is a common task, right? And the basic technique is simple: capture the current time, do your thing, preferably for a while so that you average out a large number of operations to eliminate random perturbations, capture the current time again, and report on the difference between the two times. Sounds easy, right? But there are complications. Such as: What is the relative granularity of the time span you a [read] Keywords: applications java laptop network server twitter vm
146


Some Interesting Tech I’ve Been Involved With Lately
Sat, Apr 20th 2013 8:00p   Bob Balaban
Greetings, geeks! Some of you have been wondering what I've been up to lately. No, not a stealth-mode startup, not a new API for Notes/Domino, nothing like that. In fact, I'm at about the 6-month mark in a whole new (to me) tech area: storage and storage management. It's one of those things that's a whole lot more complicated than you'd ever think, until you start to dig into it. Me, I thought a "disk" started and ended with that box on the end of a USB cable that you plug into a la [read] Keywords: domino notes laptop twitter
114


The Interesting Difference Between "Exception" and "RuntimeException" (Java)
Sat, Feb 2nd 2013 6:30p   Bob Balaban
Greetings Geeks! I hope everyone who attended Lotusphere IBMConnect '13 had a good time and has returned home safely. I didn't attend (again, I stopped going after the first 17), but I've been hearing that it was pretty good. I learned something new about certain types of exceptions in Java programming the other day. Here's the context: I had an Enum class with a few items in it I had a String that came from outside the program that I wanted to convert into an enum'ed constant Thi [read] Keywords: lotusphere application java twitter
132


Geek-o-Terica 14: How Using "LimitEntries" Can Mess Up Db Replication (Unintended Side-Effects)
Wed, Jan 16th 2013 12:12p   Bob Balaban
Greetings, Geeks! This one is going to get uber-geeky real fast, so hang onto your gaming consoles. We need a little background, but I'll keep it brief. Most of you probably know that whenever a document is saved (written to disk in the NSF), 2 list items automatically get updated: $UpdatedBy is a list of the names of the people who modified (and, initially, created) the document. The $Revisions item is a list of date/time values indicating the times at which the updates occurred. So, t [read] Keywords: lotus notes ods application database development properties twitter




96


"Reflections on Reflecting Light" - Java program
Wed, May 9th 2012 6:10p   Bob Balaban
Greetings Geeks! Today it is my very great pleasure to introduce to you a new guest blogger: my son David. He has graciously allowed me to prevail upon him to write about his recent science fair project, titled "Reflections on Reflecteing Light". That may sound innocuous, but to quote one of my favorite movies, "That's no ordinary rabbit!". David took this project through our local high school's science fair, was invited to the regional fair, and then to the Massachusetts state science [read] Keywords: blogger email java
107


Happy 5th? Yeah, 5th
Tue, Apr 10th 2012 8:40p   Bob Balaban
Greetings Geeks! So. March 30, 2007 was my first blog entry. Evidently I missed my own 5th Blanniversary! :-( Better late than never, I suppose. In theory, anyway :-) I know I don't post here often, but I do hope that when I do post, it's worth reading. For some people, anyway. I'll quote from a nice person who commented on that first post: "energetic,funny,cute--that's what I feel about you from your special explanation about "In Theory".I think you must be very content while wr [read] Keywords: lotus notes xpages application development twitter
98


"Programming Domino With Java" - Final Flush
Mon, Jan 2nd 2012 3:10a   Bob Balaban
Happy New Year, Geeks! Here's the 7th (and final) installment of the book. Thanks again for all the positive feedback. The first installment can be found here The 2nd installment is here The 3rd is here The 4th is here The 5th is here and the 6th is here All of the book content (as is all of the content on this blog) is Copyright 1998 and 2011 by Looseleaf Software, Inc. You may not reproduce or distribute the book's content without permission from me. Some Caveats and ex [read] Keywords: domino ibm lotus notes R5 application development java twitter
101


"Programming Domino With Java" - Sixth Sip
Tue, Dec 6th 2011 10:30a   Bob Balaban
Greetings, Geeks! Here's the 6th installment of the book. Thanks again for all the positive feedback. The first installment can be found here The 2nd installment is here The 3rd is here The 4th is here The 5th is here All of the book content (as is all of the content on this blog) is Copyright 1998 and 2011 by Looseleaf Software, Inc. You may not reproduce or distribute the book's content without permission from me. Some Caveats and explanations: - This book is now 12 ye [read] Keywords: domino ibm lotus lsx notes R5 application development interface java microsoft twitter




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