大约有 42,000 项符合查询结果(耗时:0.1163秒) [XML]

https://stackoverflow.com/ques... 

How do I remove the file suffix and path portion from a path string in Bash?

... Here's how to do it with the # and % operators in Bash. $ x="/foo/fizzbuzz.bar" $ y=${x%.bar} $ echo ${y##*/} fizzbuzz ${x%.bar} could also be ${x%.*} to remove everything after a dot or ${x%%.*} to remove everything after the first dot. Example: $ x=...
https://stackoverflow.com/ques... 

Is there a .NET equivalent to Apache Hadoop? [closed]

So, I've been looking at Hadoop with keen interest, and to be honest I'm fascinated, things don't get much cooler. 15 Ans...
https://stackoverflow.com/ques... 

What is the email subject length limit?

...e RFC 2822, section 2.1.1 to start. There are two limits that this standard places on the number of characters in a line. Each line of characters MUST be no more than 998 characters, and SHOULD be no more than 78 characters, excluding the CRLF. As the RFC states later, you can work a...
https://stackoverflow.com/ques... 

Why should I use 'li' instead of 'div'?

...or semantic correctness. HTML has the ability to express lists of things, and it helps the Google robot, screen readers, and all manner of users who don't care solely about the presentation of the site understand your content better. ...
https://stackoverflow.com/ques... 

Git pull without checkout?

I'm used to running git pull and other commands from within a branch I'm working on. But I have set up a development server that several people work on, so I don't want to have to switch branches when I do it. If I want to update an existing branch on the dev server from the github repository we a...
https://stackoverflow.com/ques... 

Chaining multiple filter() in Django, is this a bug?

... The way I understand it is that they are subtly different by design (and I am certainly open for correction): filter(A, B) will first filter according to A and then subfilter according to B, while filter(A).filter(B) will return a row that ma...
https://stackoverflow.com/ques... 

Disable autocomplete via CSS

... You can use a generated id and name everytime, which is different, so the browser cannot remember this text-field and will fail to suggest some values. This is at least the cross browser safe alternative, but I would recommend to go with the answer f...
https://stackoverflow.com/ques... 

How do I iterate over a range of numbers defined by variables in Bash?

... seq involves the execution of an external command which usually slows things down. This may not matter but it becomes important if you're writing a script to handle lots of data. – paxdiablo Oct 4 '08 at 1:45 ...
https://stackoverflow.com/ques... 

Difference in make_shared and normal shared_ptr in C++

Many google and stackoverflow posts are there on this, but I am not able to understand why make_shared is more efficient than directly using shared_ptr . ...
https://stackoverflow.com/ques... 

Saving an Object (Data persistence)

... You could use the pickle module in the standard library. Here's an elementary application of it to your example: import pickle class Company(object): def __init__(self, name, value): self.name = name self.value = value with open('company_data....