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Is std::unique_ptr required to know the full definition of T?

...brary require that they be instantiated with complete types. However shared_ptr and unique_ptr are partial exceptions. Some, but not all of their members can be instantiated with incomplete types. The motivation for this is to support idioms such as pimpl using smart pointers, and without risking un...
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What would cause an algorithm to have O(log n) complexity?

...o have that log2 16 = 4. Hmmm... what about 128? 128 / 2 = 64 64 / 2 = 32 32 / 2 = 16 16 / 2 = 8 8 / 2 = 4 4 / 2 = 2 2 / 2 = 1 This took seven steps, and log2 128 = 7. Is this a coincidence? Nope! There's a good reason for this. Suppose that we divide a number n by 2 i times. Then...
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JavaScript listener, “keypress” doesn't detect backspace?

...anovKris Ivanov 9,55211 gold badge2020 silver badges3232 bronze badges 3 ...
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What's the difference between ES6 Map and WeakMap?

...e: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap): Keys of WeakMaps are of the type Object only. Primitive data types as keys are not allowed (e.g. a Symbol can't be a WeakMap key). Nor can a string, number, or boolean be used as a WeakMap key. A M...
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Create Generic method constraining T to an Enum

...axstack 2 .locals init ([0] !!T temp, [1] !!T return_value, [2] class [mscorlib]System.Collections.IEnumerator enumerator, [3] class [mscorlib]System.IDisposable disposer) // if(string.IsNullOrEmpty(strValue)) return defaultValue; ld...
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What's the _ underscore representative of in Swift References?

... Chad Nouis 6,17611 gold badge2323 silver badges2727 bronze badges answered Jun 26 '14 at 22:07 Aaron HeAaron He ...
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Unsupported major.minor version 52.0 [duplicate]

...b16/jdk-8u51-linux-x64.tar.gz" # tar xzf jdk-8u51-linux-x64.tar.gz For 32 bit # cd /opt/ # wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u51-b16/jdk-8u...
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Why is my git repository so big?

...k for me – adam.wulf Apr 2 '12 at 4:32 3 @vonbrand if you hard link to a file and delete the orig...
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In Scala how do I remove duplicates from a list?

... file name? – ozone Dec 14 '12 at 0:32 4 @ozone Interesting question. Maybe the easiest way is to...
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What do all of Scala's symbolic operators mean?

...c) = 2? – Mike Stay Mar 7 '14 at 14:32 3 @MikeStay No, I did mean val ex(c) = 2. ...