大约有 30,000 项符合查询结果(耗时:0.0446秒) [XML]

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Write a function that returns the longest palindrome in a given string

I thought of a solution but it runs in O(n^2) time 22 Answers 22 ...
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Is there a “standard” format for command line/shell help text?

...ngSteely Wing 11.8k44 gold badges4747 silver badges5050 bronze badges add a comment  |  ...
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How do I clear/delete the current line in terminal?

If I'm using terminal and typing in a line of text for a command, is there a hotkey or any way to clear/delete that line? 1...
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Why number 9 in kill -9 command in unix? [closed]

... The events can vary from user requests to illegal memory access errors. Some signals, such as the interrupt signal, indicate that a user has asked the program to do something that is not in the usual flow of control. There are several types of Signals we can use - to get a fu...
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Scala list concatenation, ::: vs ++

Is there any difference between ::: and ++ for concatenating lists in Scala? 4 Answers ...
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How to watch for array changes?

... eventName).toLowerCase(); if (!(eventName in _handlers)) throw new Error("Invalid event name."); if (typeof handler !== "function") throw new Error("Invalid handler."); _handlers[eventName].push(handler); } }); Object.defineProperty(_self, "removeEventListener", { ...
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What’s the best way to check if a file exists in C++? (cross platform)

... | edited May 28 '12 at 7:05 lnafziger 25.5k88 gold badges5858 silver badges9898 bronze badges answered ...
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Is volatile expensive?

After reading The JSR-133 Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad ...
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Android and XMPP: Currently available solutions [closed]

...ompatibility reasons: stackoverflow.com/questions/23506658/begginer-asmack-error – realjin Aug 3 '14 at 13:02 ...
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Open URL in same window and in same tab

... answered Dec 10 '11 at 5:05 vdbuildervdbuilder 9,14222 gold badges2121 silver badges2929 bronze badges ...