大约有 16,380 项符合查询结果（耗时：0.0347秒） [XML]
Scala Doubles, and Precision
Is there a function that can truncate or round a Double? At one point in my code I would like a number like: 1.23456789 to be rounded to 1.23
...
python numpy ValueError: operands could not be broadcast together with shapes
In numpy, I have two "arrays", X is (m,n) and y is a vector (n,1)
6 Answers
6
...
How to set the maximum memory usage for JVM?
I want to limit the maximum memory used by the JVM. Note, this is not just the heap, I want to limit the total memory used by this process.
...
How to revert a merge commit that's already pushed to remote branch?
git revert <commit_hash> alone won't work. -m must be specified, and I'm pretty confused about it.
16 Answers
...
How to configure socket connect timeout
...he Client tries to connect to a disconnected IP address, there is a long timeout over 15 seconds... How can we reduce this timeout? What is the method to configure it?
...
How do I set cell value to Date and apply default Excel date format?
I've been using Apache POI for some time to read existing Excel 2003 files programmatically. Now I have a new requirement to create entire .xls files in-memory (still using Apache POI) and then write them to a file at the end. The only problem standing in my way is the handling of cells with dates.
...
Avoiding an ambiguous match exception
I am invoking a static method Parse on a type via reflection because I do not know the type of the object at compile-time (I do know, however, it has a Parse method, taking a string).
...
Find unmerged Git branches?
I have a Git repository with many branches, some of them already merged and some not. Since the number of branches is quite large, how can I determine which branches have not yet been merged? I would like to avoid having to do an "octopus" merge and re-merging branches that have already been merged....
Very simple log4j2 XML configuration file using Console and File appender
I'd like a very simple XML configuration file with a console and a file appender using log4j2.
4 Answers
...
LINQ order by null column where order is ascending and nulls should be last
I'm trying to sort a list of products by their price.
10 Answers
10
...