大约有 23,000 项符合查询结果(耗时:0.0376秒) [XML]

https://stackoverflow.com/ques... 

Decimal separator comma (',') with numberDecimal inputType in EditText

... != null) { try { doubleValue = Double.parseDouble(s.toString().replace(',', '.')); } catch (NumberFormatException e) { //Error } } //Do something with doubleValue } s...
https://stackoverflow.com/ques... 

Determine the number of lines within a text file

... Small note: because String is a reference type the array would be the size of the number of lines x the size of a pointer, but you're correct that it still needs to store the text, each line as a single String object. – Mik...
https://stackoverflow.com/ques... 

Named capturing groups in JavaScript regex?

...y valuable. For example, if you want to use a regex to parse a date from a string, you could write a flexible function that takes the value and the regex. As long as the regex has named captures for the year, month and date you could run through an array of regular expressions with minimal code. ...
https://stackoverflow.com/ques... 

What is the difference between sigaction and signal?

... And that's it. Anything else is not guaranteed to be portable. That's so stringent that most people ignore those rules — but the resulting code is dodgy. – Jonathan Leffler Oct 27 '16 at 16:14 ...
https://stackoverflow.com/ques... 

Artificially create a connection timeout error

...o use a different port that is blocked. So you can always use <your-own-ip>:<blocked-port>. – James Selvakumar Aug 14 '14 at 3:58 9 ...
https://stackoverflow.com/ques... 

Procedure expects parameter which was not supplied

...SqlParameter AddParameter<T>(this SqlParameterCollection parameters, string parameterName, T value) where T : class { return value == null ? parameters.AddWithValue(parameterName, DBNull.Value) : parameters.AddWithValue(parameterName, value); } Matt Hamilton has a good post here that lis...
https://stackoverflow.com/ques... 

RegEx to make sure that the string contains at least one lower case char, upper case char, digit and

What is the regex to make sure that a given string contains at least one character from each of the following categories. ...
https://stackoverflow.com/ques... 

IISExpress returns a 503 error from remote machines

... If you are too lazy to add every hostname/ipaddress combination use a * instead of "your-machine-name" – StarQuake Oct 6 '14 at 10:45 6 ...
https://stackoverflow.com/ques... 

Thin web server: `start_tcp_server': no acceptor (RuntimeError) after git branch checkout

...s 33240 s003 S+ 0:15.05 /Users/Arta/.rbenv/versions/1.9.2-p290/bin/ruby script/rails s -p 3000 kill it, and run anew: $ kill -9 33240 $ rails s share | improve this answer | ...
https://stackoverflow.com/ques... 

How to convert a Binary String to a base 10 integer in Java

I have an array of Strings that represent Binary numbers (without leading zeroes) that I want to convert to their corresponding base 10 numbers. Consider: ...