大约有 40,000 项符合查询结果(耗时:0.0411秒) [XML]

https://stackoverflow.com/ques... 

Why is reading lines from stdin much slower in C++ than Python?

...s to the top of your main, you should see much better performance: std::ios_base::sync_with_stdio(false); Normally, when an input stream is buffered, instead of reading one character at a time, the stream will be read in larger chunks. This reduces the number of system calls, which are typically r...
https://stackoverflow.com/ques... 

Python 3.x rounding behavior

...l.Decimal('3.5').quantize(decimal.Decimal('1'), rounding=decimal.ROUND_HALF_UP) >>> Decimal('4') >>> decimal.Decimal('2.5').quantize(decimal.Decimal('1'), rounding=decimal.ROUND_HALF_EVEN) >>> Decimal('2') >>> decimal.Decimal('3.5').quantize(decimal...
https://stackoverflow.com/ques... 

How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on

... Whats the pros/cons to using .rspec or spec_helper.rb? @shamaoke @christoph – Ian Vaughan May 21 '13 at 10:31 2 ...
https://stackoverflow.com/ques... 

Select all text inside EditText when it gets focus

... You can also add an OnClick Method to the editText after _editText.setSelectAllOnFocus(true); and in that: _editText.clearFocus(); _editText.requestFocus(); As soon as you click the editText the whole text is selected. ...
https://stackoverflow.com/ques... 

ng-model for `` (with directive DEMO)

...ng it the Angular way and not the plain JS way? – AFP_555 Mar 21 '17 at 0:40 ...
https://stackoverflow.com/ques... 

Understanding NSRunLoop

.../Conceptual/Multithreading/RunLoopManagement/RunLoopManagement.html#//apple_ref/doc/uid/10000057i-CH16-SW1 share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Struggling with NSNumberFormatter in Swift for currency

...string(from: price) // "$123.44" formatter.locale = Locale(identifier: "es_CL") formatter.string(from: price) // $123" formatter.locale = Locale(identifier: "es_ES") formatter.string(from: price) // "123,44 €" Here's the old example on how to use it on Swift 2. let price = 123.436 let form...
https://stackoverflow.com/ques... 

What does “The APR based Apache Tomcat Native library was not found” mean?

... On RHEL Linux just issue: yum install tomcat-native.x86_64 /Note:depending on Your architecture 64bit or 32bit package may have different extension/ That is all. After that You will find in the log file next informational message: INFO: APR capabilities: IPv6 [true], sendfile...
https://stackoverflow.com/ques... 

How to export data as CSV format from SQL Server using sqlcmd?

...low commas inside the data? Do we have to surround every column with '""'+ ___ +'""'? – Ahmed Apr 1 '15 at 0:41 2 ...
https://stackoverflow.com/ques... 

ThreadStatic v.s. ThreadLocal: is generic better than attribute?

...low is the simple demonstration: public static ThreadLocal<int> _threadlocal = new ThreadLocal<int>(() => { return Thread.CurrentThread.ManagedThreadId; }); public static void Main() { new Thread(() => { ...