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Are members of a C++ struct initialized to 0 by default?

... constructors struct Snapshot { int x; double y; Snapshot():x(0),y(0) { } // other ctors / functions... }; Will initialize both x and y to 0. Note that you can use x(), y() to initialize them disregarding of their type: That's then value initialization, and usually yields a proper...
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SVG fill color transparency / alpha?

...nal attribute; fill-opacity: This attribute takes a decimal number between 0.0 and 1.0, inclusive; where 0.0 is completely transparent. For example: <rect ... fill="#044B94" fill-opacity="0.4"/> Additionally you have the following: stroke-opacity attribute for the stroke opacity for the ...
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Draw in Canvas by finger, Android

... +200 Start By going through the Fingerpaint demo in the sdk sample. Another Sample: public class MainActivity extends Activity { D...
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Is “argv[0] = name-of-executable” an accepted standard or just a common convention?

When passing argument to main() in a C or C++ application, will argv[0] always be the name of the executable? Or is this just a common convention and not guaranteed to be true 100% of the time? ...
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comparing 2 strings alphabetically for sorting purposes

... | edited Dec 10 '14 at 18:15 answered Apr 17 '12 at 20:05 ...
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Simplest way to detect a mobile device in PHP

...opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i',$useragent)||preg_match('/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|...
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Is there a splice method for strings?

... 10 Answers 10 Active ...
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Editing dictionary values in a foreach loop

... double percent = colStates[key] / TotalCount; if (percent < 0.05) { OtherCount += colStates[key]; colStates[key] = 0; } } Or... Creating a list of modifications List<string> keysToNuke = new List<string>(); foreach(string key in colStates.Keys) ...
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What's “requestCode” used for on PendingIntent?

... answered Feb 3 '14 at 12:04 Minhaj ArfinMinhaj Arfin 83188 silver badges88 bronze badges ...
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How to connect to my http://localhost web server from Android Emulator

...ct it to my localhost web server page at http://localhost or http://127.0.0.1 ? 11 Answers ...