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This article is available at blog.scrum.org , here I just quote my favorite points and give my comment at the end of this post. Ken Schwaber and Jeff Sutherland, the creators of Scrum delivered a webinar on their latest update to the Scrum Guide .  The update was a simple one, adding the 5 values of Scrum to the Guide: These values sound easy? Well, there are many misunderstandings and common problems when applying these values. Here are some example: Value Misunderstanding Getting the value right Commitment Committing to something that you don’t understand because you are told to by your boss. Committing yourself to the team and Sprint Goal. Focus Focusing on keeping the customer happy Being focused on the sprint and its goal. Openness Telling everyone everything about all your work Highlighting when you have challenges and problems that are stopping you from success Respect Thinking you are helping the team by being a hero Helping people t

So far, Primefaces has used image sprites for displaying the sort icons. This leads to a problem if we want to make a different style for these icons; for example, I would make the icon "arrow up" more blurry at the first time the table loading because I want to highlight the icon "arrow down". I found a way that I can replace these icons with Font Awesome icons. We will use "CSS Pseudo-classes" to achieve it. The hardest thing here is that we should handle displaying icons in different cases. There is a case both "arrow up" and "arrow down" showing and other case is only one of these icons is shown. .ui-sortable-column-icon.ui-icon.ui-icon-carat-2-n-s { background-image: none; margin-left: 5px; font-size: 1.1666em; position: relative; } .ui-sortable-column-icon.ui-icon.ui-icon-carat-2-n-s:not(.ui-icon-triangle-1-s)::before { content: "\f106"; font-family: "FontAwesome"; position:

"Names are everywhere in software". "The hardest thing about choosing good names is that it requires good descriptive skills"[1] . In my previous post, I emphasized that we should take care our code , so now let's start with naming. Issue Original code Revised code Reveals nothing int d; //elapsed time in days int elapsedTimeInDays; Difficult to understand public List<Cell> getThem() public List<Cell> getFlaggedCells() Specific to programmers accountList accounts Number-series public void copyChars( char a1[], char a2[]) public void copyChars( char source[], char destination[]) Noise words (indistinguishable) customerInfo vs customer; accountData vs account customer, account //distinguish names in such a way that the reader knows what the differences offer

Have you ever thought that we won't need to code anymore because programs might be generated from specification? The answer can be yes or no; there is still arguing about it. The programming language is more and more closed to the requirements. The starting is from a very low level as Assembly to a very high level like Python. However, it doesn't make much sense when saying that we will eliminate coding. For me, we currently still need to express our ideas in exact words that tells the machine what we want. Otherwise, I hope in the future the machine is intelligent enough to understand our requirements directly from our words. ;) Take a look at the famous quote of Robert C.Martin about what I mentioned above: "Remember that code is really the language in which we ultimately express the requirements. We may create languages that are closer to the requirements. We may create tools that help us parse and assemble those requirements into formal structures. But we wi

There are various components have been promoted to PrimeFaces from Extensions project. TimeLine InputNumber KeyFilter ImportEnum ImportConstants Knob Source: PrimeFaces team blog

I have a service to get some data but the result can be different basing on where the implementation is. Technically, I have two or more concrete implementation of an interface and I am able to switch using these concrete classes at run-time. That means I have a place to configure it without re-deploying the application. In order to overcome this issue, I use Service Locator design pattern and here I only care about two advantages below: Encapsulating the specific implementation, we just declare the name and don't care about the implementation of the service. Changing the implementation at run-time. Client : an object that invokes the services via Service Locator Business services : services that is used by Client.

I have not yet had a chance to attend this event but I just watched it on Youtube  as usual. :) Google Assistant You might be very familiar to Google Now if you're Android fan. I saw that Google Assistant is like an upgrade to Google Now. It looks smarter because we are able to make a conversation with Google rather than just saying "Ok Google" and getting the tasks done as Google Now. That means Google Assistant can understand our personal words in our contexts. For example: I : Who is Google CEO? Google : Sundar Pichai I : Show me his awards  => Here I don't need to say "Show me Sundar Pichai awards", because I don't know to pronounce his name correctly. :) I am thinking about that we can compare Google Assistant to Siri of Apple. Google Home At Google I/O 2015 last year, Sundar mentioned about working on a exciting project with Internet of Things and I think Google Home is a result. Working with Google Assistant, Google ho