大约有 47,000 项符合查询结果(耗时:0.0382秒) [XML]

https://stackoverflow.com/ques... 

In Python, how do you convert a `datetime` object to seconds?

... Python now warns me: "TypeError: can't subtract offset-naive and offset-aware datetimes" What's the best solution to fix that? – Aaron Ash Apr 13 '13 at 0:47 ...
https://stackoverflow.com/ques... 

Legality of COW std::string implementation in C++11

... whole point of doing the copying is that such references or iterators are now being obtained, so copying is necessary. But it may still be that C++11 disallows COW implementations. – Cheers and hth. - Alf Dec 18 '14 at 3:57 ...
https://stackoverflow.com/ques... 

How to determine SSL cert expiration date from a PEM encoded certificate?

... If you just want to know whether the certificate has expired (or will do so within the next N seconds), the -checkend <seconds> option to openssl x509 will tell you: if openssl x509 -checkend 86400 -noout -in file.pem then echo "Certific...
https://stackoverflow.com/ques... 

Why is a combiner needed for reduce method that converts type in java 8

...s processed by its own thread in the sequential fashion I described above. Now, if we have N threads, we have N intermediate results. These need to be reduced down to one result. Since each intermediate result is of type T, and we have several, we can use the same accumulator function to reduce thos...
https://stackoverflow.com/ques... 

UINavigationBar custom back button without title

...evious view controller). The newly pushed view controller back button will now show whatever you put for initWithTitle, which in this case is an empty string. share | improve this answer |...
https://stackoverflow.com/ques... 

Accept function as parameter in PHP

...nswer, but wanted to find some documentation to link to first, and didn't know what it was called exactly. Ah well, now I'll know for when I need to do this as well. Thanks. – Rob Apr 23 '10 at 17:01 ...
https://stackoverflow.com/ques... 

What does “pending” mean for request in Chrome Developer Window?

...solution I found: player[0].setAttribute('src','video.webm?dummy=' + Date.now()); You just add a dummy query string to the end of each url. This forces Chrome to download the file again. Another example with popcorn player (using jquery) : url = $(this).find('.url_song').attr('url'); pop = Popc...
https://stackoverflow.com/ques... 

Convert list to array in Java [duplicate]

...; list.size(); i++) array[i] = list.get(i); Update: It is recommended now to use list.toArray(new Foo[0]);, not list.toArray(new Foo[list.size()]);. From JetBrains Intellij Idea inspection: There are two styles to convert a collection to an array: either using a pre-sized array (like c.t...
https://stackoverflow.com/ques... 

Save icon: Still a floppy disk? [closed]

...once people start forgetting what they look like (or never knew). The icon nowadays represents the concept of saving more than it represents floppy disks anyway. share | improve this answer ...
https://stackoverflow.com/ques... 

Read url to string in few lines of java code

... Now that some time has passed since the original answer was accepted, there's a better approach: String out = new Scanner(new URL("http://www.google.com").openStream(), "UTF-8").useDelimiter("\\A").next(); If you want a s...