大约有 40,000 项符合查询结果(耗时:0.1096秒) [XML]

https://stackoverflow.com/ques... 

How to send email via Django?

...self an email! The above article mentioned by miku was perfect. Note the small typo correction in the comments of the article. (And I just used my regular computer/localhost. I had not set anything else up before hand.) – user984003 Oct 24 '12 at 16:11 ...
https://stackoverflow.com/ques... 

Executing JavaScript without a browser?

...n on the topic, but if you want direct links, here they are: You can install Rhino as others have pointed out. This post shows an easy way to get it up and running and how to alias a command to invoke it easily If you're on a Mac, you can use JavaScriptCore, which invokes WebKit's JavaScript engin...
https://stackoverflow.com/ques... 

Why is unsigned integer overflow defined behavior but signed integer overflow isn't?

...to implement with the integer representation it used. C implementations usually used the same representation used by the CPU - so the overflow behavior followed from the integer representation used by the CPU. In practice, it is only the representations for signed values that may differ according to...
https://stackoverflow.com/ques... 

submitting a GET form with query string params and hidden params disappear

...the question mark and the parameters, and then cross one's fingers to hope all browsers would leave that URL as it (and validate that the server understands it too). But I'd never rely on that. By the way: it's not different for non-hidden form fields. For POST the action URL could hold a query stri...
https://stackoverflow.com/ques... 

Why is creating a new process more expensive on Windows than Linux?

...eerden: NT has been designed for multi-user from day one, so this is not really a reason. However, you are right about that process creation plays a less important role on NT than on Unix as NT, in contrast to Unix, favors multithreading over multiprocessing. Rob, it is true that fork is relatively...
https://stackoverflow.com/ques... 

live output from subprocess command

... file descriptor (in POSIX at least). (Side note: PIPE and STDOUT are actually ints internally, but are "impossible" descriptors, -1 and -2.) A stream—really, any object with a fileno method. Popen will find the descriptor for that stream, using stream.fileno(), and then proceed as for an int va...
https://stackoverflow.com/ques... 

When should you branch?

... Jan 20 '10 at 11:09 Daniel VassalloDaniel Vassallo 301k6666 gold badges475475 silver badges424424 bronze badges ...
https://stackoverflow.com/ques... 

Should I Dispose() DataSet and DataTable?

... both implement IDisposable, so, by conventional best practices, I should call their Dispose() methods. 10 Answers ...
https://stackoverflow.com/ques... 

How to sum up elements of a C++ vector?

What are the good ways of finding the sum of all the elements in a std::vector ? 11 Answers ...
https://stackoverflow.com/ques... 

How to display Base64 images in HTML?

...es - its a data URI for a red dot image (source: en.wikipedia.org/wiki/Data_URI_scheme). I am just pointing out that there is no apparent issue in what you are doing except perhaps actual base64 data. Use the given decoder and save decoded binary data as an jpeg file and try to open it. If it does n...