大约有 40,000 项符合查询结果(耗时:0.0563秒) [XML]

https://stackoverflow.com/ques... 

Strip spaces/tabs/newlines - python

...are regarded as a single separator, and the result will contain no empty strings at the start or end if the string has leading or trailing whitespace. Demo: >>> myString.split() ['I', 'want', 'to', 'Remove', 'all', 'white', 'spaces,', 'new', 'lines', 'and', 'tabs'] Use str.join on ...
https://stackoverflow.com/ques... 

The tilde operator in Python

...o so before supplying an __invert__ method to your class. (Note that byte-strings [ex: '\xff'] do not support this operator, even though it is meaningful to invert all the bits of a byte-string.) share | ...
https://stackoverflow.com/ques... 

Why doesn't await on Task.WhenAll throw an AggregateException?

...on and throws the underlying exception. By leveraging await, you avoid the extra work to handle the AggregateException type used by Task.Result, Task.Wait, and other Wait methods defined in the Task class. That’s another reason to use await instead of the underlying Task methods.... ...
https://stackoverflow.com/ques... 

Java 8 stream reverse order

...g the Collector.of() factory method. The complete code is this: Deque<String> output = input.collect(Collector.of( ArrayDeque::new, (deq, t) -> deq.addFirst(t), (d1, d2) -> { d2.addAll(d1); return d2; })); The result is a Deque instead of a List, but that ...
https://stackoverflow.com/ques... 

z-index not working with fixed positioning

... @marflar My pleasure. Btw, take a look at your fiddle. there is an extra tag </body> and an extra tag </html> in the end. – Michel Ayres Mar 26 '14 at 18:52 2 ...
https://stackoverflow.com/ques... 

Java 8 Iterable.forEach() vs foreach loop

...c.join(mSession, join)); is not intended as a shortcut for writing for (String join : joins) { mIrc.join(mSession, join); } and should certainly not be used in this way. Instead it is intended as a shortcut (although it is not exactly the same) for writing joins.forEach(new Consumer<T&g...
https://stackoverflow.com/ques... 

Databinding an enum property to a ComboBox in WPF

...ption = GetDescription(enumValue) }).ToArray(); } private string GetDescription(object enumValue) { var descriptionAttribute = EnumType .GetField(enumValue.ToString()) .GetCustomAttributes(typeof (DescriptionAttribute), false) .FirstOrDefault() as D...
https://stackoverflow.com/ques... 

partial string formatting

Is it possible to do partial string formatting with the advanced string formatting methods, similar to the string template safe_substitute() function? ...
https://stackoverflow.com/ques... 

OwinStartup not firing

...e Attach to w3wp.exe process Touch the web.config file Request a webpage Extra tip Maybe doing this will flush a cache: In web.config add the optimizeCompilations attribute with a false value <compilation debug="true" ... optimizeCompilations="false"> Run site Undo the change in web.con...
https://stackoverflow.com/ques... 

Why do we need virtual functions in C++?

... virtual modifier on/off to see what happens //virtual std::string Says() { return "?"; } }; class Dog: public Animal { public: std::string Says() { return "Woof"; } }; void test() { Dog* d = new Dog(); Animal* a = d; // refer to Dog instance with Animal pointer ...