大约有 47,000 项符合查询结果(耗时:0.0617秒) [XML]

https://stackoverflow.com/ques... 

How can I write a regex which matches non greedy? [duplicate]

...o a trick you can do to work around this: Since \s means "any whitespace", and "\S" means "any non-whitespace", [\s\S] will match ANY character (like ".", but including new line)! Similarly, you could use [\d\D], or [\w\W]. This can be quite a handy little "hack", and it certainly a very useful tric...
https://stackoverflow.com/ques... 

Pandas DataFrame Groupby two columns and get counts

I have a pandas dataframe in the following format: 6 Answers 6 ...
https://stackoverflow.com/ques... 

How Do I Fetch All Old Items on an RSS Feed?

I've been experimenting with writing my own RSS reader. I can handle the "parse XML" bit. The thing I'm getting stuck on is "How do I fetch older posts?" ...
https://stackoverflow.com/ques... 

How to call Android contacts list?

I'm making an Android app, and need to call the phone's contact list. I need to call the contacts list function, pick a contact, then return to my app with the contact's name. Here's the code I got on the internet, but it doesnt work. ...
https://stackoverflow.com/ques... 

How to generate a random integer number from within a range

... All the answers so far are mathematically wrong. Returning rand() % N does not uniformly give a number in the range [0, N) unless N divides the length of the interval into which rand() returns (i.e. is a power of 2). Furthermore, one has no idea whether the moduli of rand() are indep...
https://stackoverflow.com/ques... 

Exception messages in English?

...Message to a file. However, they are written in the culture of the client. And Turkish errors don't mean a lot to me. 16 An...
https://stackoverflow.com/ques... 

'Operation is not valid due to the current state of the object' error during postback

... I didn't apply paging on my gridview and it extends to more than 600 records (with checkbox, buttons, etc.) and the value of 2001 didn't work. You may increase the value, say 10000 and test. <appSettings> <add key="aspnet:MaxHttpCollectionKeys" value="...
https://stackoverflow.com/ques... 

Sending Email in Android using JavaMail API without using the default/built-in app

I am trying to create a mail sending application in Android. 25 Answers 25 ...
https://stackoverflow.com/ques... 

When should I use nil and NULL in Objective-C?

... technically, they are exactly equal, you can send messages to both nil and to NULL. Idiomatically though nil is usually used to represent an object – cobbal Oct 14 '09 at 5:43 ...
https://stackoverflow.com/ques... 

Unescape HTML entities in Javascript?

...of a div reduces the XSS vulnerability, but it is still problematic in IE9 and Firefox. function htmlDecode(input){ var e = document.createElement('textarea'); e.innerHTML = input; // handle case of empty input return e.childNodes.length === 0 ? "" : e.childNodes[0].nodeValue; } htmlDecode...