In Win8.1 JavaScript UWP apps we supported multiple windows using MSApp DOM APIs. In Win10 we use window.open and window and a new MSApp API getViewId and the previous MSApp APIs are gone:
We use window.open and window for creating new windows, but then to interact with WinRT APIs we add the MSApp.getViewId API. It takes a window object as a parameter and returns a viewId number
that can be used with the various Windows.UI.ViewManagement.ApplicationViewSwitcher APIs.
Delaying Visibility
Views in WinRT normally start hidden and the end developer uses something like TryShowAsStandaloneAsync
to display the view once it is fully prepared. In the web world, window.open shows a window immediately and the end user can watch as content is loaded and rendered. To have your new windows act
like views in WinRT and not display immediately we have added a window.open option. For example let newWindow = window.open("https://example.com", null, "msHideView=yes");
Primary Window Differences
The primary window that is initially opened by the OS acts differently than the secondary windows that it opens:
Primary
Secondary
window.open
Allowed
Disallowed
window.close
Close app
Close window
Navigation restrictions
ACUR only
No restrictions
The restriction on secondary windows such that they cannot open secondary windows could change in the future depending on feedback.
Same Origin Communication Restrictions
Lastly, there is a very difficult technical issue preventing us from properly supporting synchronous, same-origin, cross-window, script calls. That is, when you open a window that's same origin,
script in one window is allowed to directly call functions in the other window and some of these calls will fail. postMessage calls work just fine and is the recommended way to do things if
that's possible for you. Otherwise we continue to work on improving this.
This 30 day mission will help our researchers learn how isolation and close quarters affect individual and group behavior. This study at our Johnson Space Center prepares us for long duration
space missions, like a trip to an asteroid or even to Mars.
The Human Research Exploration Analog (HERA) that the crew members will be living in is one compact, science-making house. But
unlike in a normal house, these inhabitants won’t go outside for 30 days. Their communication with the rest of planet Earth will also be very limited, and they won’t have any access to
internet. So no checking social media kids!
The only people they will talk with regularly are mission control and each other.
The crew member selection process is based on a number of criteria, including the same criteria for astronaut selection.
What will they be doing?
Because this mission simulates a 715-day journey to a Near-Earth asteroid, the four crew members will complete activities similar to what would happen during an outbound transit, on location at
the asteroid, and the return transit phases of a mission (just in a bit of an accelerated timeframe). This simulation means that even when communicating with mission control, there will be a
delay on all communications ranging from 1 to 10 minutes each way. The crew will also perform virtual spacewalk missions once they reach their destination, where they will inspect the asteroid
and collect samples from it.
A few other details:
The crew follows a timeline that is similar to one used for the ISS crew.
They work 16 hours a day, Monday through Friday. This includes time for daily planning, conferences, meals and exercises.
They will be growing and taking care of plants and brine shrimp, which they will analyze and document.
But beware! While we do all we can to avoid crises during missions, crews need to be able to respond in the event of an emergency. The HERA crew will conduct a couple of emergency scenario
simulations, including one that will require them to maneuver through a debris field during the Earth-bound phase of the mission.
Throughout the mission, researchers will gather information about cohabitation, teamwork, team cohesion, mood, performance and overall well-being. The crew members will be tracked by numerous
devices that each capture different types of data.
Past HERA crew members wore a sensor that recorded heart rate, distance, motion and sound intensity. When crew members were
working together, the sensor would also record their proximity as well, helping investigators learn about team cohesion.
Researchers also learned about how crew members react to stress by recording and analyzing verbal interactions and by analyzing “markers” in blood and saliva samples.
In total, this mission will include 19 individual investigations across key human research elements. From psychological to physiological experiments, the crew members will help prepare us for
future missions.
This 30 day mission will help our researchers learn how isolation and close quarters affect individual and group behavior. This study at our Johnson Space Center prepares us for long duration
space missions, like a trip to an asteroid or even to Mars.
The Human Research Exploration Analog (HERA) that the crew members will be living in is one compact, science-making house. But
unlike in a normal house, these inhabitants won’t go outside for 30 days. Their communication with the rest of planet Earth will also be very limited, and they won’t have any access to
internet. So no checking social media kids!
The only people they will talk with regularly are mission control and each other.
The crew member selection process is based on a number of criteria, including the same criteria for astronaut selection.
What will they be doing?
Because this mission simulates a 715-day journey to a Near-Earth asteroid, the four crew members will complete activities similar to what would happen during an outbound transit, on location at
the asteroid, and the return transit phases of a mission (just in a bit of an accelerated timeframe). This simulation means that even when communicating with mission control, there will be a
delay on all communications ranging from 1 to 10 minutes each way. The crew will also perform virtual spacewalk missions once they reach their destination, where they will inspect the asteroid
and collect samples from it.
A few other details:
The crew follows a timeline that is similar to one used for the ISS crew.
They work 16 hours a day, Monday through Friday. This includes time for daily planning, conferences, meals and exercises.
They will be growing and taking care of plants and brine shrimp, which they will analyze and document.
But beware! While we do all we can to avoid crises during missions, crews need to be able to respond in the event of an emergency. The HERA crew will conduct a couple of emergency scenario
simulations, including one that will require them to maneuver through a debris field during the Earth-bound phase of the mission.
Throughout the mission, researchers will gather information about cohabitation, teamwork, team cohesion, mood, performance and overall well-being. The crew members will be tracked by numerous
devices that each capture different types of data.
Past HERA crew members wore a sensor that recorded heart rate, distance, motion and sound intensity. When crew members were
working together, the sensor would also record their proximity as well, helping investigators learn about team cohesion.
Researchers also learned about how crew members react to stress by recording and analyzing verbal interactions and by analyzing “markers” in blood and saliva samples.
In total, this mission will include 19 individual investigations across key human research elements. From psychological to physiological experiments, the crew members will help prepare us for
future missions.
The Wall Street Journal was first to report that The Federal Communications Commission will propose new open Internet rules this Thursday that will allow content companies to pay Internet service
providers “for special access to consumers.” Under the new rules, service providers may not block or discriminate against specific websites, but they can charge certain sites or services for
preferential traffic treatment if the ISPs’ discrimination is “commercially reasonable.” Bye-bye, Net Neutrality, and the internet as we know it.
My second completed app for the Windows Store was Words with Hints a companion
to Words with Friends or other Scrabble like games that gives you *ahem* hints. You provide your tiles and optionally letters placed in a line on the board and Words with Hints gives you word
options.
I wrote this the first time by building a regular expression to check against my dictionary of words which made for a slow app on the Surface. In subsequent release of the app I now spawn four
web workers (one for each of the Surface's cores) each with its own fourth of my dictionary. Each fourth of the dictionary is a trie which makes
it easy for me to discard whole chunks of possible combinations of Scrabble letters as I walk the tree of possibilities.
The dictionaries are large and takes a noticeable amount of time to load on the Surface. The best performing mechanism I found to load them is as JavaScript source files that simply define
their portion of the dictionary on the global object and synchronously (only on the worker so not blocking the UI thread). Putting them into .js files means they take advantage of bytecode caching making them load faster. However because the data is mostly strings
and not code there is a dramatic size increase when the app is installed. The total size of the four dictionary .js files is about 44Mb. The bytecode cache for the dictionary files is about
double that 88Mb meaning the dictionary plus the bytecode cache is 132Mb.
To handle the bother of postMessage communication and web workers this was the first app in which I used my promise MessagePort project which I'll discuss more in the future.
This is the first app in which I used the Microsoft Ad SDK. It was difficult to find the install for the SDK and
difficult to use their website, but once setup, the Ad SDK was easy to import into VS and easy to use in my app.
What It All Means: All Your Communications are Belong to U.S. In sum, if you use encryption they’ll keep your data forever. If you use Tor, they’ll keep your data for at least five years. If an
American talks with someone outside the US, they’ll keep your data for five years. If you’re talking to your attorney, you don’t have any sense of privacy. And the NSA can hand over you
information to the FBI for evidence of any crime, not just terrorism. All without a warrant or even a specific FISA order.
Not sure if this is saying all Tor data is collected or saying if someone uses Tor then start collecting that someone’s communication.
Elaborating on a previous brief post on the topic of Web Worker
initialization race conditions, there's two important points to avoid a race condition when setting up a Worker:
The parent starts the communication posting to the worker.
The worker sets up its message handler in its first synchronous block of execution.
For example the following has no race becaues the spec guarentees that messages posted to a worker during its first synchronous block of execution will be queued and handled after that block. So
the worker gets a chance to setup its onmessage handler. No race:
'parent.js': var worker = new Worker(); worker.postMessage("initialize");
'worker.js': onmessage = function(e) { // ... }
The following has a race because there's no guarentee that the parent's onmessage handler is setup before the worker executes postMessage. Race (violates 1):
'parent.js': var worker = new Worker(); worker.onmessage = function(e) { // ... };
'worker.js': postMessage("initialize");
The following has a race because the worker has no onmessage handler set in its first synchronous execution block and so the parent's postMessage may be sent before the worker sets its onmessage
handler. Race (violates 2):
'parent.js': var worker = new Worker(); worker.postMessage("initialize");
2011 Apr 6, 3:52Humorous quote from the doc: "While we readily agree that the naming of IPv6 address parts is not the most pressing concern the Internet is facing today, a common nomenclature is important for
efficient communication."humortechnicalipv6namedocumentationietfrfc
2010 May 10, 8:59Iggy Pop interviews Shepard Fairey, including his Obama HOPE poster and AP lawsuit:
"... but the American public is generally pretty superficial, so an image like that just allows them to project whatever limited idea they have onto it. Obviously, not everyone is like that—I
actually think there were a lot of people who were bummed by the image because they felt it was shallow propaganda."
"If I spend time conceiving and making a piece of art and somebody else sees that it has market value and replicates it in order to steal part of my market, then that’s not cool. But the way I make
art—the way a lot of people make art—is as an extension of language and communication, where references are incredibly important. It’s about making a work that is inspired by something preexisting
but changes it to have a new value and meaning that doesn’t in any way take away from the original—and, in fact, might provide the original with a second life or a new audience." artlegallawipshepard-faireyobeyinterview
2009 Dec 7, 5:15"Yahoo isn’t happy that a detailed menu of the spying services it provides law enforcement agencies has leaked onto the web." ... "Cryptome also published lawful data-interception guides for Cox
Communications, SBC, Cingular, Nextel, GTE and other telecoms and service providers. But of all those companies, it appears to be Yahoo’s lawyers alone who have issued a DMCA takedown notice to
Cryptome demanding the document be removed."privacysecuritycopyrightyahoodmcainternetwebsurveillance
2009 Dec 2, 3:00"These are tough questions, but the horrific problems of the "Victorian Internet" suggest that government overreach isn't the only thing to fear. In 1876, laissez-faire "freedom for all" meant (in
practice) the freedom for Henry Nash Smith to read your telegrams if he didn't like who you supported for President. It meant freedom for Associated Press to block criticism of Western Union, and
even to put potential critics and competitors out of business. And it meant freedom for a scoundrel to hijack the system at his leisure."net-neutralityinternetgovernmentpoliticscommunicationtelegraphtechnical
2009 Dec 1, 9:40Wow: 'The fact that federal, state, and local law enforcement can obtain communications "metadata"—URLs of sites visited, e-mail message headers, numbers dialed, GPS locations, etc.—without any real
oversight or reporting requirements should be shocking, but it isn't. The courts ruled in 2005 that law enforcement doesn't need to show probable cause to obtain your physical location via the cell
phone grid. All of the aforementioned metadata can be accessed with an easy-to-obtain pen register/trap & trace order. But given the volume of requests, it's hard to imagine that the courts are
involved in all of these.'privacysecuritygpsphonecellphonegovernmentpolitics
2009 Oct 13, 5:08Paper investigating chicken soup as a "remedy for symptomatic upper respiratory tract infections." Under methods is the recipe they used: "Traditional chicken soup was prepared according to a family
recipe, which will be referred to as “Grandma’s soup” (C. Fleischer; personal communication; 1970). This recipe is as follows..."souphumorsciencemedicinechickenpaper
2009 Jul 20, 11:40"My interactive media project this semester is about the augmentation of the classic communication medium business card... what came to my mind pretty quickly was Augmented Reality." Ever since I saw
those AR things you print out I've wished they were based completely off of QR codes that would tell the client app where to download the 3D scene to project.3dbusiness-cardqrcodeqraugmented-realityresearchtechnicalvideo
2009 Jun 12, 9:02"Because linking to sources and resources is the key gesture to being a citizen of the Web and not just a product on the Web...If, on the other hand, you want to embrace the traits that make blogs,
Twitter, and so many other online communication tools a vital part of the daily life of your readers, your news site shouldn't feel like an endpoint in the conversation. It should feel like the
beginning."via:sambrookjournalismnewsinternetwebarticlelink
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