getch undefined while compiling for the second time
2018年4月29日 · Once upon a time, if you called a function which the compiler had never heard of, like this: #include <stdio.h> int main() { int x = foo(); printf("%d\n", foo); }
c# - Array of string pairs - Stack Overflow
2014年1月7日 · You can use list/array Tuple Class. Example. List<Tuple<string, string>> data = new List<Tuple<string, string>>{ new Tuple<string, string>("Hello", "World"), new ...
python - Map Reduce on timestamps - Stack Overflow
2012年4月11日 · You could do min/max on the dates like described here for numbers and just add a counter for the messages. The result would be a list of threads with the number of …
Extracting values of elements in a list of dictionaries
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sql - dplyr vs dbplyr filtering with white space - Stack Overflow
2021年8月31日 · This is partly related to my previous question.If I filter a dataframe using dplyr based on unique ids with trailing white space from ids with no trailing white space, dplyr will …
Printing tibble character variable appears with quotation marks
2021年8月30日 · When I read in a file I couldn't work out why two similar character variables were printing differently using tibble - one with quotation marks and the other one without. After a bit …
Redirect after login in custom login page WP - Stack Overflow
2016年11月10日 · first sorry for my english . i have a problem of redirect an user when he is connected , i make that on a custom login page (modal)
bash - skip over a pattern in sed - Stack Overflow
2020年3月12日 · I wrote a correctly working sed script which replaces multiple spaces with single space between tokens (it skips lines with # or //) : #!/bin/sed -f /.*#/ !{ /\/\//n ...
Check whether the string has a valid word - Stack Overflow
2015年1月1日 · I want to distinguish the output responses between valid and invalid ones. I tried checking the string with words,alphanumerics,etc..., but both the valid and invalid had these …
java - How whether a string is randomly generated or plausibly an ...
Unfortunately, you cannot implement a grammar that identifies valid English words without a dictionary. The English language just cannot be modeled that way.