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What is the iBeacon Bluetooth Profile

...rst AD structure 01 # Flags AD type 1A # Flags value 0x1A = 000011010 bit 0 (OFF) LE Limited Discoverable Mode bit 1 (ON) LE General Discoverable Mode bit 2 (OFF) BR/EDR Not Supported bit 3 (ON) Simultaneous LE and BR/EDR to Same Device Capable (controller) bit 4 (ON) Simultaneous L...
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Revert to a commit by a SHA hash in Git? [duplicate]

... CB BaileyCB Bailey 610k9090 gold badges596596 silver badges628628 bronze badges ...
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PHP parse/syntax errors; and how to solve them

... error on your machine. But posting the very same file online does not exhibit it anymore. Which can only mean one of two things: You are looking at the wrong file! Or your code contained invisible stray Unicode (see above). You can easily find out: Just copy your code back from the web form into ...
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Why is address zero used for the null pointer?

... Minix 16 bit compiler used 0xFFFF for NULL. – Joshua May 3 '10 at 18:12 3 ...
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How do you prevent IDisposable from spreading to all your classes?

...nalize(this); and maybe cleanup the virtual void Dispose(bool disposing) a bit. share | improve this answer | follow | ...
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ggplot2 keep unused levels barplot

...owLowRepImageUploadWarning: true, reputationToPostImages: 10, bindNavPrevention: true, postfix: "", imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
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Failed binder transaction when putting an bitmap dynamically in a widget

...o, w, h, true); return photo; } Choose newHeight to be small enough (~100 for every square it should take on the screen) and use it for your widget, and your problem will be solved :) share | i...
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What's so bad about Template Haskell?

... TH is also outright dangerous: Code that runs at compile-time can do arbitrary IO, including launching missiles or stealing your credit card. You don't want to have to look through every cabal package you ever download in search for TH exploits. TH can access "module-private" functions and defin...
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Difference between & and && in Java? [duplicate]

... & is bitwise. && is logical. & evaluates both sides of the operation. && evaluates the left side of the operation, if it's true, it continues and evaluates the right side. ...
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What are the differences between struct and class in C++?

...ween a class and a struct. A struct simply feels like an open pile of bits with very little in the way of encapsulation or functionality. A class feels like a living and responsible member of society with intelligent services, a strong encapsulation barrier, and a well defined inte...