写 LINQ 的时候，别习惯性 .ToList() 了。停下来想一想：“我真需要它能增删吗？” 这两行代码看起来差不多，作用也都是立刻执行查询，并把结果存下来。但它们其实有本质区别，适用的场景也不一样。 别急着抄代码，先搞清楚该用哪个，才能写出又快又稳的程序。 用 .ToList()：如果你拿到结果后，还想增删元素（比如 Add、Remove、Insert）。 用 .ToArray()：如果你只是 ...

We report a case of a 54-year-old woman with saline-based breast implants who presented to the ear, nose and throat neck lump clinic with a 2-week history of bilateral neck lumps. She was found to ...

Cincinnati Bengals defensive end Shemar Stewart is coming off a forgetful rookie season. Becoming a quality pass rusher in ...

Support vector regression can predict numeric values effectively, and this article shows how to implement and train a kernel SVR model in C# using stochastic sub-gradient descent.

Many bacteria secrete enzymes and toxins in the environment or into host target cells that can either be eukaryotes (animals as plants) or other bacteria. Bacterial cells are surrounded by a complex ...

In an unprecedented move to consolidate political momentum, the Republican Party will hold its first-ever national convention ahead of the midterm elections. Announcing the decision on his social ...

The interface provides four individually galvanically isolated LIN channels through a single PCIe card. FPGA-based Kvaser LIN-IP technology enables communication up to 20kbaud with 1µs timestamp ...