大约有 40,000 项符合查询结果(耗时:0.0596秒) [XML]

https://stackoverflow.com/ques... 

No module named pkg_resources

...he above isn't working for you. Explanation This error message is caused by a missing/broken Python setuptools package. Per Matt M.'s comment and setuptools issue #581, the bootstrap script referred to below is no longer the recommended installation method. The bootstrap script instructions will ...
https://stackoverflow.com/ques... 

Why sizeof int is wrong, while sizeof(int) is right?

... From C99 Standard 6.5.3.4.2 The sizeof operator yields the size (in bytes) of its operand, which may be an expression or the parenthesized name of a type. In your case int is neither expression nor parenthesized name. ...
https://stackoverflow.com/ques... 

Launch an app on OS X with command line

...apps or here for Carbon apps. You could also probably do something kludgey by passing parameters in using environment variables. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Detecting WPF Validation Errors

... controls which need to be checked? My only thought of how to use this is by calling IsValid for each control that needs to be validated. Edit: It seems like you are validating the sender which I expect to be the save button. That doesn't seem to be right to me. – Nicholas M...
https://stackoverflow.com/ques... 

How to get time difference in minutes in PHP

... Subtract the past most one from the future most one and divide by 60. Times are done in Unix format so they're just a big number showing the number of seconds from January 1, 1970, 00:00:00 GMT share |...
https://stackoverflow.com/ques... 

When to use a “has_many :through” relation in Rails?

... I also have to write user.groups << group? Or is everything handled by this association? – LuckyLuke Jul 22 '12 at 15:09 ...
https://stackoverflow.com/ques... 

Python json.loads shows ValueError: Extra data

... []. The original file I was using all_guests.json had 6 records separated by newline. I deleted 5 records, (which I already checked to be bookended by brackets) and saved the file under a new name. Then the loads statement worked. Error was raise ValueError(errmsg("Extra data", s, end, len(s))...
https://stackoverflow.com/ques... 

How do you send a HEAD HTTP request in Python 2?

... works, but nowadays you should just use the requests library as mentioned by other answers below. Use httplib. >>> import httplib >>> conn = httplib.HTTPConnection("www.google.com") >>> conn.request("HEAD", "/index.html") >>> res = conn.getresponse() >>...
https://stackoverflow.com/ques... 

See what has been installed via MacPorts

... imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
https://stackoverflow.com/ques... 

What is the best way to tell if a character is a letter or number in Java without using regexes?

...char c = 255, which in printable version is ├ and considered as a letter by Character.isLetter(c). This function I think is what most developers are looking for: private static boolean isLetterOrDigit(char c) { return (c >= 'a' && c <= 'z') || (c >= 'A' && ...