大约有 10,158 项符合查询结果（耗时：0.0452秒） [XML]
What are OLTP and OLAP. What is the difference between them?
Actually what do they mean? All articles I find about them don't give me an idea, or my knowledge is too insufficient to understand it.
...
Proper use of errors
I'm using TypeScript for a reasonably large project, and am wondering what the standard is for the use of Error s. For example, say I hand an index out of bounds exception in Java:
...
Temporarily switch working copy to a specific Git commit
How to switch to specific Git commit without losing all the commits made after it ?
3 Answers
...
What is the difference between memmove and memcpy?
What is the difference between memmove and memcpy ? Which one do you usually use and how?
9 Answers
...
Linux find file names with given string
I'm on Ubuntu, and I'd like to find all files in the current directory and subdirectories whose name contains the string "John". I know that grep can match the content in the files, but I have no idea how to use it with file names. Any help would be appreciated.
...
Pandas every nth row
Dataframe.resample() works only with timeseries data. I cannot find a way of getting every nth row from non-timeseries data. What is the best method?
...
How to split strings across multiple lines in CMake?
I usually have a policy in my project, to never create lines in text files that exceed a line length of 80, so they are easily editable in all kinds of editors (you know the deal). But with CMake I get the problem that I do not know how to split a simple string into multiple lines to avoid one huge ...
How do I setup a SSL certificate for an express.js server?
Before, in an older version of express, I could do this:
3 Answers
3
...
What columns generally make good indexes?
As a follow up to " What are indexes and how can I use them to optimise queries in my database? " where I am attempting to learn about indexes, what columns are good index candidates? Specifically for an MS SQL database?
...
The shortest possible output from git log containing author and date
How can I show a git log output with (at least) this information:
13 Answers
13
...