大约有 40,000 项符合查询结果(耗时:0.0525秒) [XML]

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How was the first compiler written?

I heard about the chicken and the egg and bootstrapping. I have a few questions. 6 Answers ...
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What does “@” mean in Windows batch scripts

... JoeyJoey 304k7575 gold badges627627 silver badges640640 bronze badges add...
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Doctrine and composite unique keys

I want to do composite unique key in doctrine. Those are my fields: 3 Answers 3 ...
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Why is it wrong to use std::auto_ptr with standard containers?

...logically independent. std::auto_ptr does not fulfill this requirement. Take for example this code: class X { }; std::vector<std::auto_ptr<X> > vecX; vecX.push_back(new X); std::auto_ptr<X> pX = vecX[0]; // vecX[0] is assigned NULL. To overcome this limitation, you should us...
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How to load program reading stdin and taking parameters in gdb?

... If you were doing it from a shell you'd do it like this: % gdb myprogram gdb> run params ... < input.txt This seems to work within emacs too. share | improve this...
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How to read multiple text files into a single RDD?

...s from a hdfs location and perform mapping on it in an iteration using spark. 10 Answers ...
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Understanding ibeacon distancing

...pt of how distancing with ibeacon (beacon/ Bluetooth-lowenergy/BLE) can work. Is there any true documentation on how far exactly an ibeacon can measure. Lets say I am 300 feet away...is it possible for an ibeacon to detect this? ...
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SQLite add Primary Key

...eate a table based on a SELECT statement. Now this table has no primary key but I would like to add one. 11 Answers ...
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Likelihood of collision using most significant bits of a UUID in Java

...f I'm using Long uuid = UUID.randomUUID().getMostSignificantBits() how likely is it to get a collision. It cuts off the least significant bits, so there is a possibility that you run into a collision, right? ...
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How to set selected item of Spinner by value, not by position?

... edited Jan 4 '18 at 12:43 Kunwar Ajeet Singh Rajput 39544 silver badges1212 bronze badges answered Nov 19 '10 at 18:18 ...