大约有 47,000 项符合查询结果（耗时：0.0593秒） [XML]
Determine installed PowerShell version
How can I determine what version of PowerShell is installed on a computer, and indeed if it is installed at all?
19 Answers...
What is the rationale for fread/fwrite taking size and count as arguments?
We had a discussion here at work regarding why fread and fwrite take a size per member and count and return the number of members read/written rather than just taking a buffer and size. The only use for it we could come up with is if you want to read/write an array of structs which aren't evenly div...
Regex lookahead, lookbehind and atomic groups
...hat I can use them for.
Does somebody have examples so I can try to understand how they work?
3 Answers
...
Using python map and other functional tools
This is quite n00bish, but I'm trying to learn/understand functional programming in python. The following code:
9 Answers
...
Making heatmap from pandas DataFrame
I have a dataframe generated from Python's Pandas package. How can I generate heatmap using DataFrame from pandas package.
...
Change date of git tag (or GitHub Release based on it)
...Go back in time to the commit representing the tag
Delete the tag (locally and remotely)
This will turn your "Release" on GitHub into a Draft that you can later delete.
Re-add the same-named tag using a magic invocation that sets its date to the date of the commit.
Push the new tags with fixed da...
Drop rows with all zeros in pandas data frame
I can use pandas dropna() functionality to remove rows with some or all columns set as NA 's. Is there an equivalent function for dropping rows with all columns having value 0?
...
Exit single-user mode
Currently, my database is in Single User mode. When I try to expand me database, I get an error:
18 Answers
...
Flexbox and Internet Explorer 11 (display:flex in ?)
I am planning to move away from "floaty" layouts and use CSS flexbox for future projects. I was delighted to see that all major browsers in their current versions seem to support (in one way or another) flexbox.
...
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
I have some code and when it executes, it throws a IndexOutOfRangeException , saying,
4 Answers
...