大约有 42,000 项符合查询结果(耗时:0.0532秒) [XML]
To switch from vertical split to horizontal split fast in Vim
How can you switch your current windows from horizontal split to vertical split and vice versa in Vim?
8 Answers
...
Differences between hard real-time, soft real-time, and firm real-time?
..., and the examples provided for hard and soft real-time systems make sense to me. But, there is no real explanation or example of a firm real-time system. According to the link above:
...
Physical vs. logical / soft delete of database record?
...record (i.e. setting a flag stating that the record is deleted) as opposed to actually or physically deleting the record?
2...
When would anyone use a union? Is it a remnant from the C-only days?
...++ text I go through introduces them (sometimes in passing), but they tend to give very few practical examples of why or where to use them. When would unions be useful in a modern (or even legacy) case? My only two guesses would be programming microprocessors when you have very limited space to work...
Limitations of Intel Assembly Syntax Compared to AT&T [closed]
To me, Intel syntax is much easier to read. If I go traipsing through assembly forest concentrating only on Intel syntax, will I miss anything? Is there any reason I would want to switch to AT&T (outside of being able to read others' AT&T assembly)? My first clue is that gdb uses AT&T by default.
...
How to update Ruby to 1.9.x on Mac?
I have created a new user account on my mac and I am trying to update to the current version of ruby on it (1.9.2) from the snow leopard default of 1.8.7. Can somebody point me to tutorial or explain the best method to update Ruby on my mac from 1.8 to 1.9.2? Thanks
...
How to enable PHP's openssl extension to install Composer?
I am trying to install Laravel in WAMP setup. I am getting a warning message for not enabling openssl which I had already done in WAMP.
...
How to pull request a wiki page on GitHub?
...en for editing. Then I forked the project, edited it on "my end" and tried to do a pull request. It turns out, the wiki isn't in the project, and there isn't a way to commit changes to it.
...
Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
I am wondering if anyone can give a "best practices" response to using blank HTML form actions to post back to the current page.
...
Convert columns to string in Pandas
...
One way to convert to string is to use astype:
total_rows['ColumnID'] = total_rows['ColumnID'].astype(str)
However, perhaps you are looking for the to_json function, which will convert keys to valid json (and therefore your keys t...
