The U.S. Chamber Foundation’s Corporate Citizenship Center and IBM today issued a new report that explores how efforts by businesses to be a positive force in communities – commonly referred to as corporate social responsibility (CSR) – influences public perception of those companies.

[Image: From a project called “Slice” by HANNAH, as featured in FABRICATE 2020.] The Bartlett School of Architecture recently put out two new books, freely available for download, FABRICATE 2020 and Design Transactions. Check them both out, as each is filled with incredibly interesting and innovative work. Purely in the interests of time—by all means, … Continue reading "Building Digital with Timber, Mud, and Ice"

IBM today announced a new all-flash, high-performance data and file management solution for enterprise clients running exabyte-scale big data analytics, cognitive and AI applications. The combined flash and storage software solution has been certified with the Hortonworks Data Platform (HDP) to provide clients with more choice in selecting the right platform for their big data analytics on data processing engines like Hadoop and Spark.

Reconnaissant que les entreprises mettent du temps à adopter l'intelligence artificielle, en partie à cause de la complexité croissante des données, IBM (NYSE : IBM) dévoile aujourd'hui de nouvelles innovations qui optimisent son approche Watson Anywhere pour mettre à l'échelle l'intelligence artificielle sur tous les types de cloud, et de permettre à une multitude de clients de tirer parti de la stratégie pour intégrer l'intelligence artificielle à leurs données, où qu'elles se trouvent.

IBM (NYSE: IBM) and Tennis Australia today announced new and expanded data driven experiences that will enhance Australian Open 2015 for fans on site and around the world. IBM SlamTracker has been redesigned with new point-by-point data visualisations, commentary and statistics that include player and ball movement data for the first time ever at the Australian Open. IBM CrowdTracker, new for 2015, will provide fans with live match, venue and social information via ausopen.com and the official Australian Open apps.

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Hyro Limited group company, Synergy Plus Pty Ltd (“Synergy”) has been named winner of the award for “Leadership in Optimizing IT Infrastructure” in the annual IBM Beacon Awards competition, honoring IBM Business Partners for their ingenuity, innovation, customer satisfaction and outstanding achievements in providing business solutions.

UPDATE: Both workshops filled very quickly. I only do these about once a year; apologies for the imbalance. I have set up a system so people who are potentially interested in future small-class lighting workshops can receive advance notice. More info here.

__________
I'll be teaching two, full-day lighting workshops in the suburban Baltimore/DC area on December 6 and 7.

They are two separate one-day events. These are small-group workshops, with a maximum class size of 12 people each day. These are shooting workshops, and you'll be behind (and/or in front of!) a camera for most of the day.

Assuming you arrive at this class with a basic understanding of f/stops and shutter speeds, you will leave with a strong foundation in the fundamentals of off-camera lighting. You will be comfortable using single and multiple lights both alone and/or balanced with a mix of ambient lighting.

All lighting gear will be provided. We will also provide lunch.

You will need to bring a camera that is adjustable in manual mode and has a hot shoe connection for a flash, a lens that covers normal and/or portrait range, one or two fully charged batteries and an empty storage card. Maybe a notebook and pen if you like.

That's it. Just show up ready to learn and to have fun. Leave the rest to me.


Details

Dates:
December 6 and 7, 2019

Time:
9:30am - 5:30pm

Price:
$259

Location:
Sandy Spring Friends Lyceum
17715 Meeting House Road
Sandy Spring, MD 20860


Note; These are the only small-class lighting workshops I'll be teaching in the US this year. In the past, these have tended to fill very quickly. So if this is something you'd like to do, I'd suggest signing up sooner rather than later.


Sign-Up Links

Friday, December 6 [FRIDAY'S CLASS HAS BEEN FILLED]

Saturday, December 7 [SATURDAY'S CLASS HAS BEEN FILLED]

  

 My kindle has arrived BRAND NEW!!! My old one was sent away... to the depths of despair, and I am pleasantly disappointed in the ending of my book.  I'm sitting here ready for the football game to start and I can smell the pizza my husband thought would be a "great idea" to make.  I haven't had the time to exercise in almost a week. Although my eating is still on key, I feel bloated... fatter if possible.  I've done the math, and in order for me to swim the five miles I plan on in October, I have to do the following ASAP.

Mondays - Swim minimum 80 laps
Tuesdays - Strength training , Swim 80 laps
Wednesdays - OFF
Thursdays - Strength training, swim 80 laps
Fridays - Swim 80 laps
Saturdays - OFF
Sundays - Strength training, swim 80 laps

WOE IS ME! In order for my school schedule to not co-inside with my work-out schedule I will have to plan in advance.  I am currently taking 4 classes this semester, all of which are history classes.  That can only mean one thing:  mass amounts of reading and papers at the same....time.....

Advancement toward my goal at this point in time is vital, I must use my young age to my advantage and endure no social life as well as sleep... who needs either anyways?

Crap.... haha...... keep me strong friends... I'm going to need it, as well as my gym membership I so am looking forward to getting by the end of this month.  I miss swimming.

xoxo

Mornings go best when I’m ready to go before anyone else gets out of bed. I need to save my knees for my commute and cannot take the stairs at work. (Having discovered how much this helps, I am now reconsidering all the previous times in my life when my knee issue flared up.) I … Continue reading Things I learned in 4 months of full time employment

Hey.  I was going to write this all yesterday but then I didn’t because yesterday was very not good.  Nothing really bad happened but I fell into a full meltdown of depression and I basically just cried and curled up … Continue reading →

As any Common Lisp coder knows, a REPL is an incredibly useful tool. It can be used not just for development, but for running all sorts of tasks. Personally, I don't bother making my Lisp tools into executable scripts and just run them directly from SLIME. As such, any operation that requires leaving the REPL is quite inconvenient. For me, one such operation was viewing image files, for example in conjunction with my match-client:match tool. So lately I've been researching various methods to incorporate this functionality into the normal REPL workflow. Below, I present 3 methods that can be used to achieve this.

Open in external program

This one's easy. When you want to view a file, launch an external process with your favorite image viewer. On Windows a shell command consisting of the image filename would launch the associated application, on Linux it's necessary to provide the name of the image viewer.

(defvar *image-app* nil) ;; set it to '("eog") or something

(defun view-file-native (file)
  (let ((ns (uiop:native-namestring file)))
    (uiop:launch-program (if *image-app*
                             (append *image-app* (list ns))
                             (uiop:escape-shell-token ns)))))

Note that uiop:launch-program is used instead of uiop:run-program. The difference is that launch- is non-blocking - you can continue to work in your REPL while the image is displayed, whereas run- will not return until you close the image viewer.

Also note that when the first argument to run/launch-program is a string, it is not escaped, so I have to do it manually. And if the first argument is a list, it must be a program and a list of its arguments, so merely using (list ns) wouldn’t work on Windows.

Inline image in REPL

The disadvantage of the previous method is that the external program might steal focus, appear on top of your REPL and disrupt your workflow. And it's well known that Emacs can do everything, including viewing images, so why not use that?

In fact, SLIME has a plugin specifically for displaying images in REPL, slime-media. However it’s difficult to find any information on how to use it. Eventually I figured out that SWANK (SLIME’s CL backend) needs to send an event :write-image with appropriate arguments and slime-media's handler will display it right in the REPL. The easiest way is to just send the file path. The second argument is the resulting image's string value. If you copy-paste (sorry, "kill-yank") it in the repl, it would act just like if you typed this string.

(swank::send-to-emacs '(:write-image "/path/to/test.png" "test"))

You can even send raw image data using this method. I don't have anything on hand to generate raw image data so here's some code that reads from a file, converts it to a base64 string and sends it over SWANK.

(with-open-file (in "/path/to/test.png" :direction :input  :element-type '(unsigned-byte 8))
                (let* ((arr (make-array (file-length in) :element-type '(unsigned-byte 8)))
                       (b64 (progn (read-sequence arr in) (cl-base64:usb8-array-to-base64-string arr))))
                  (swank::send-to-emacs `(:write-image ((:data ,b64 :type swank-io-package::png)) "12345"))))

Note that the first argument to :write-image must be a list with a single element, which is itself a plist containing :data and :type keys. :data must be a base64-encoded raw image data. :type must be a symbol in swank-io-package. It’s not exactly convenient, so if you’re going to use this functionality a helper function/macro might be necessary.

Image in a SLIME popup buffer

Inline images are not always convenient. They can’t be resized, and will take up as much space as is necessary to display them. Meanwhile EMACS itself has a built-in image viewer (image-mode) which can fit images to width or height of a buffer. And SLIME has a concept of a “popup buffer” which is for example used by macroexpander (C-c C-m) to display the result of a macro expansion in a separate window.

Interestingly, slime-media.el defines an event :popup-buffer but it seems impossible to trigger it from SWANK. It is however a useful code reference for how to create the popup buffer in ELisp. This time we won’t bother with “events” and just straight up execute some ELisp code using swank::eval-in-emacs. However by default, this feature is disabled on Emacs-side, so you’ll have to set Emacs variable slime-enable-evaluate-in-emacs to t in order for this method to work.

Also Emacs must be compiled with ImageMagick for the resizing functionality to work.

Anyway, the code to view file in the popup buffer looks like this:

(defun view-file-slime (file &key (bufname "*image-viewer*"))
  (let ((ns (namestring file)))
    (swank::eval-in-emacs
     `(progn
        (slime-with-popup-buffer (,bufname :connection t :package t)
          (insert-image (create-image ,ns))
          (image-mode)
          (setf buffer-file-name ,ns)
          (not-modified)
          (image-toggle-display-image))
        ;; try to resize the image after the buffer is displayed
        (with-current-buffer ,bufname (image-toggle-display-image))))))
    ))

Arriving to this solution has required reading image-mode’s source code to understand what exactly makes image-mode behave just like if the image file was opened in Emacs via C-x C-f. First off, image-mode can be a major and a minor mode - and the minor mode is not nearly as useful. slime-with-popup-buffer has a :mode keyword argument but it would cause image-mode to be set before the image is inserted, and it will be a minor mode in this case! Therefore (image-mode) must be called after insert-image.

Next, the buffer must satisfy several conditions in order to get image data from the filename and not from the buffer itself. Technically it shouldn’t be necessary, but I couldn’t get auto resizing to work when data-p is true. So I set buffer-file-name to image’s filename and set not-modified flag on.

Next, image-toggle-display-image is called to possibly resize the image according to image-mode settings. It's called outside of slime-with-popup-buffer for the following reason: the buffer might not yet be visible and have any specific dimensions assigned to it, and therefore resizing will do nothing.

Here’s an example of how calling this function looks in Emacs.

The position of the popup buffer depends on whether the original Emacs window is wide enough or not. I think it looks better when it’s divided vertically. Use M-x image-transform-fit-to-height or M-x image-transform-fit-to-width to set up the auto-resizing method (it gets remembered for future images). Unfortunately there’s no way to fit both height and width, at least with vanilla Emacs. I prefer fit-to-width because in case the image is too tall, it is possible to scroll the image vertically with M-PgDn and M-PgUp from the other buffer. Unlike other image-mode buffers, this buffer supports a shortcut q to close itself, as well as various SLIME shortcuts, for example C-c C-z to return to the REPL.

That's it for now, hope you enjoyed this overview and if you happen to know a better way to display images in Emacs, I would be interested to hear about it.

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