The Art of Changing | Confessions of a Pragmatic Intellectual's Mind on The Constant in Life, Change!
I facilitated a session to simulate planning, development, feedback and iteration in an Agile fashion. I used a simulation called XP Game. This game originated based on the concepts introduced in eXtreme Programming book by Kent Beck. It provides a visual and interactive way to understand the values of XP, and to a wider extent…
If you are a good leader, want to be, or think you are, you need to think about your approachability all the time. If you are good at it, you want to make it better, if you are better, you want to become number one. There is always somewhere you can push your approachability skills…
It happened on a Saturday morning at 8:30, in Financial district of Toronto on the first day of October. It was nice to see new faces and the old mates. It was a rejuvenation of the old habits and learning new techniques on coaching. At the core, as always, it lived the same great spirit of…
These are the notes from the facilitation workshop / course held by Sue Johnson. My Aphorism You need to show the same audacity for not facilitating a session having no or negative value, as opposing a team’s decision contradicting Agile values. Great Facilitation Skills Having made them write it down => great facilitation skill for helping…
First level cacheSecond level cacheQuery Cache Note that the query cache does not cache the state of the actual entities in the result set; it caches only identifier values and results of value type. So the query cache should always be used in conjunction with the second-level cache. Let me reiterate that Hibernate is *not*…
Impedance Mismatch problem: O/R issuesSQL: does not work well with large clustersGoogle: BigtableAmazon: Dynamo=> NoSQLOrigin: a Twitter hashtag to advertise a single meeting #nosql non-relational open-source cluster-friendly schema-less when you are getting a price from a row, you are utilizing schema, but when you don’t have schema there is no guarantee data is there 21st…
Key / Valye (HashMap)Tabular (BigTable)Document Oriented no Joinsno Complex Transactionsno SQL databasse -> databasetable -> collectionrow -> document JSON style document (BSON on the mongoDB servers) no predefined schematable has schemacollection does not have schema we do not need to pre-create the collection, first insertion will create the collection _id : timestamp+machine id+process id+counter db.posts.find$gt…
you can use the model items like ${modelitem} but you had to put the modelitm in the model prior to that, something like model.put(modelitem, “this is modelitem”) Rule of thumb when you need to manipulate data in your MVC application:Try looking into the referenceData method in your controller, this is the main method grabbing data…
JBoss implementaiton of security is JBossSX. It both supports declarative J2EE (JEE) and role-based security model. Default implementation for declarative security model is JAAS. Declarative: you declare the security roles and permissions using a standard XML message, rather than embedding in your code. Secure access to EJBs and web components using ejb-jar.xml and web.xml deployment…
Java Authentication and Authorization Service, or JAAS, pronounced “Jazz” Configuration files for JAAS *.login.conf (e.g. form login) *.policy (which identity grant which permission) LoginModule (interface) LoginContext (Class) Kick off authentication process by creating a subject (if no subject passed to it will create a new one) Subject e.g. user, resource, system, … Principal Face of…