syntax - What does %>% function mean in R? - Stack Overflow
Nov 25, 2014 · I have seen the use of %>% (percent greater than percent) function in some packages like dplyr and rvest. What does it mean? Is it a way to write closure blocks in R?
What's the difference between __PRETTY_FUNCTION__, …
Dec 29, 2023 · The documentation says: constexpr const char* function_name () const noexcept; 6 Returns: If this object represents a position in the body of a function, returns an …
How do function pointers in C work? - Stack Overflow
May 8, 2009 · 356 Function pointers in C can be used to perform object-oriented programming in C. For example, the following lines is written in C: String s1 = newString(); s1->set(s1, "hello"); …
Understanding .get () method in Python - Stack Overflow
To understand what is going on, let's take one letter (repeated more than once) in the sentence string and follow what happens when it goes through the loop. Remember that we start off with …
How do I check if a Sql server string is null or empty
Plus one for the first answer (5 years later) to use both NULLIF() and coalesce to an empty string if company.OfferText is null. However, the 2nd NULLIF() call here serves no purpose, as if that …
Using "If cell contains #N/A" as a formula condition.
Jan 7, 2014 · I need help on my Excel sheet. How can I declare the following IF condition properly? if A1 = "n/a" then C1 = B1 else if A1 != "n/a" or has value(int) then C1 = A1*B1
现在有哪些模型支持MCP？ - 知乎
MCP 和 LLMs 没有直接关系，只要模型具备一定的指令遵循能力，就可以使用 MCP，这也是 MCP 区别于 Function Call 的地方，就是为了更通用。 MCP 虽然是 Anthropic 提出来的，但完 …
What is the proper way to comment functions in Python?
Dec 14, 2019 · The docstring for a function or method should summarize its behavior and document its arguments, return value (s), side effects, exceptions raised, and restrictions on …
Excel: Searching for multiple terms in a cell - Stack Overflow
Feb 11, 2013 · 3 In addition to the answer of @teylyn, I would like to add that you can put the string of multiple search terms inside a SINGLE cell (as opposed to using a different cell for …
损失函数｜交叉熵损失函数
1.3 Cross Entropy Loss Function（交叉熵损失函数） 1.3.1 表达式 (1) 二分类 在二分的情况下，模型最后需要预测的结果只有两种情况，对于每个类别我们的预测得到的概率为 和 ，此时表达 …