大约有 12,080 项符合查询结果(耗时:0.0278秒) [XML]

https://stackoverflow.com/ques... 

How to avoid isset() and empty()

I have several older applications that throw a lot of "xyz is undefined" and "undefined offset" messages when running on the E_NOTICE error level, because the existence of variables is not explicitly checked using isset() and consorts. ...
https://stackoverflow.com/ques... 

How to add a custom right-click menu to a webpage?

...a2pro 4,22533 gold badges1818 silver badges4444 bronze badges answered Feb 5 '11 at 19:59 Radek BenkelRadek Benkel 7,54422 gold ba...
https://stackoverflow.com/ques... 

Difference between a “coroutine” and a “thread”?

...9 21.9k2626 gold badges8585 silver badges120120 bronze badges answered Dec 20 '09 at 3:10 Alex MartelliAlex Martelli 724k148148 go...
https://stackoverflow.com/ques... 

Disadvantages of Test Driven Development? [closed]

...that every system can be treated this way. Not all systems can be generalized and simplified for unit testing and if you try to force the nature of unit testing on such systems you can easily end up spending much more time correcting you unit tests than actually testing real results. ...
https://stackoverflow.com/ques... 

How to create a memory leak in Java?

... server eventually borks. If lucky you get a clue with ClassCastException z.x.y.Abc cannot be cast to z.x.y.Abc – earcam Jun 27 '11 at 16:55 7 ...
https://stackoverflow.com/ques... 

Efficiency of purely functional programming

...stem that is purely functional (and has strict evaluation semantics, not lazy) to one that can mutate data, an algorithm written for the impure Lisp that runs in O(n) can be translated to an algorithm in the pure Lisp that runs in O(n log n) time (based on work by Ben-Amram and Galil [1992] about si...
https://stackoverflow.com/ques... 

Why are mutable structs “evil”?

...rig 14.4k1111 gold badges5252 silver badges6767 bronze badges answered Jan 13 '09 at 23:42 trampstertrampster 7,49744 gold badges3...
https://stackoverflow.com/ques... 

Why aren't python nested functions called closures?

... 58.1k1717 gold badges114114 silver badges124124 bronze badges 2 ...
https://stackoverflow.com/ques... 

What is the maximum length of a URL in different browsers?

...erver configured with a very large LimitRequestLine and LimitRequestFieldSize. Browser Address bar document.location or anchor tag ------------------------------------------ Chrome 32779 >64k Android 8192 >64k Firefox ...
https://stackoverflow.com/ques... 

Why is a combiner needed for reduce method that converts type in java 8

... 343k4444 gold badges592592 silver badges662662 bronze badges 8 ...