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My third completed Windows Store app is Percent Clock which displays portions of a time span like the time of the day or time until your next birthday, as a percentage. This was a small project I had previously started as a webpage and converted and finished as an HTML JavaScript Windows Store app.
The only somewhat interesting aspect of this app is that its the first app for which I tried charging. I picked the minimum amount for price 1.49 USD as it is a simple app and unsurprisingly it has sold very poorly. I'm considering releasing new instances of the app for specific scenarios:
The Windows Runtime API Windows.Foundation.Collections.PropertySet class is a nice string name to object value map that has a changed event that fires when the contents of the map is modified. Be careful with this event because it fires synchronously from the thread on which the PropertySet was modified. If modified from the UI thread, the UI thread will then wait as it synchronously dispatches the changed event to all listeners which could lead to performance issues or especially from the UI thread deadlock. For instance, deadlock if you have two threads both trying to tell each other about changed events for different PropertySets.
If you want to represent a value larger than 32bits in an enum in MSVC++ you can use C++0x style syntax to tell the compiler exactly what kind of integral type to store the enum values. Unfortunately by default an enum is always 32bits, and additionally while you can specify constants larger than 32bits for the enum values, they are silently truncated to 32bits.
For instance the following doesn't compile because Lorem::a and Lorem::b have the same value of '1':
enum Lorem {
a = 0x1,
b = 0x100000001
} val;
switch (val) {
case Lorem::a:
break;
case Lorem::b:
break;
}
Unfortunately it is not an error to have b's constant truncated, and the previous without the switch statement does compile just fine:
enum Lorem {
a = 0x1,
b = 0x100000001
} val;
But you can explicitly specify that the enum should be represented by a 64bit value and get expected compiling behavior with the following:
enum Lorem : UINT64 {
a = 0x1,
b = 0x100000001
} val;
switch (val) {
case Lorem::a:
break;
case Lorem::b:
break;
}
My first app for Windows 8 was Shout Text. You type into Shout Text, and your text is scaled up as large as possible while still fitting on the screen, as you type. It is the closest thing to a Hello World app as you'll find on the Windows Store that doesn't contain that phrase (by default) and I approached it as the simplest app I could make to learn about Windows modern app development and Windows Store app submission.
I rely on WinJS's default layout to use CSS transforms to scale up the user's text as they type. And they are typing into a simple content editable div.
The app was too simple for me to even consider using ads or charging for it which I learned more about in future apps.
The first interesting issue I ran into was that copying from and then pasting into the content editable div resulted in duplicates of the containing div with copied CSS appearing recursively inside of the content editable div. To fix this I had to catch the paste operation and remove the HTML data from the clipboard to ensure only the plain text data is pasted:
function onPaste() {
var text;
if (window.clipboardData) {
text = window.clipboardData.getData("Text").toString();
window.clipboardData.clearData("Html");
window.clipboardData.setData("Text", util.normalizeContentEditableText(text));
}
}
shoutText.addEventListener("beforepaste", function () { return false; }, false);
shoutText.addEventListener("paste", onPaste, false);I additionally found an issue in IE in which applying a CSS transform to a content editable div that has focus doesn't move the screen position of the user input caret - the text is scaled up or down but the caret remains the same size and in the same place on the screen. To fix this I made the following hack to reapply the current cursor position and text selection which resets the screen position of the user input caret.
function resetCaret() {
setTimeout(function () {
var cursorPos = document.selection.createRange().duplicate();
cursorPos.select();
}, 200);
}
shoutText.attachEvent("onresize", function () { resetCaret(); }, true);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.
This might be the strangest release of classic Chicago label Trax yet! The clue’s in the title - it’s Daft Punk brassified. We get four classics by the world’s most famous Gallic robot duo: “Harder, Better, Faster, Stronger” gets turned into a 1940s Dick Tracy-style riff-off with every form of trumpet imaginable, “Around The World” mixes wind instruments with that famous vocal mantra, “Da Funk” features plenty of sassy brass and “One More Time” wraps things up on a swingin’, jazzy high.
Thoughts I have instead of smart thoughts.
Owl Turd is rapidly becoming one of my favourite webcomics.
This may have been a Serial Experiments Lain episode synopsis.
To decide what Gob’s bad impression of a chicken might be, Arnett consulted on set in 2003 with series executive producers Mitch Hurwitz and James Vallely. They all tried out different versions for each other. “Jimmy started doing a little bit, then Mitch got up and did some, and then I began trying things,” remembers Arnett. “Picture three grown men hopping around, working out what it would be … They were pitching this really taunting dance, but I wanted to give it this very sharp, almost roosterlike, chest-sticking-out mannerism, like a real macho bravado dance.” And how did clapping get introduced to the move? “Because I wanted it to be only sort of threatening.”
This is essentially an AV exploit against Super Mario World that results in running the end game code. Watch the video. “…there’s a glitch that’s been known for a while, where Yoshi can end up in the “I have an item in my mouth” state, but not actually have an item in his mouth. When he spits out this nothingness, the game crashes. …That address did not contain code, and so the system crashed. But wait a second. What if, by some sheer coincidence, that address did contain code? The specific address dropped him in somewhere amongst various data for the game’s internal random number generator, and the random number generator can be manipulated in a TAS. Could the game be coerced into running arbitrary code?…”
Not The Onion subreddit is for real stories that sound like The Onion articles. This is a compilation of those stories into a page that looks like The Onion.
How To Screen Capture on the Microsoft Surface RT - Surface Geeks Surface Geeks
tl;dr: hold windows logo on the surface (not keyboard) and press volume down button on the surface
def nextServerCallback(self, data):
parsed_data = json.loads(data)
# Chunk was wrong!
if not parsed_data['success']:
# Defend against timing attacks
remaining_time = self.expectedRemainingTime()
self.log_info('Going to wait %s seconds before responding' %
remaining_time)
reactor.callLater(remaining_time, self.sendResult, False)
return
self.checkNext()
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