大约有 42,000 项符合查询结果(耗时:0.0496秒) [XML]

https://stackoverflow.com/ques... 

Is C++ context-free or context-sensitive?

...enoting "Recursively enumerable" by "Turing complete"), and has since been unable to recognize this mistake. Here is a reference for the proper set inclusion relationship involved here: en.wikipedia.org/wiki/Chomsky_hierarchy – pnkfelix Jan 31 '13 at 10:56 ...
https://stackoverflow.com/ques... 

Why is processing a sorted array faster than processing an unsorted array?

...tency: gcc optimization flag -O3 makes code slower than -O2) VC++ 2010 is unable to generate conditional moves for this branch even under /Ox. Intel C++ Compiler (ICC) 11 does something miraculous. It interchanges the two loops, thereby hoisting the unpredictable branch to the outer loop. So not o...
https://stackoverflow.com/ques... 

How is Node.js inherently faster when it still relies on Threads internally?

... poor performance. If there are too few threads, then the CPU is idle, but unable to accept more requests, create too many threads, and you will waste kernel memory, and in the case of a Java environment, you'll also be wasting main heap memory. Now, for Java, wasting heap is the first, best, way to...
https://stackoverflow.com/ques... 

Why is “while ( !feof (file) )” always wrong?

... @WilliamPursell, reaching the eof isn't necessarily an error, but being unable to do an input operation because of eof is one. And it is impossible in C to detect reliably the eof without having made an input operation fails. – AProgrammer Sep 29 '12 at 15:1...
https://stackoverflow.com/ques... 

What is memory fragmentation?

...nt use of memory, because we should have been able to store D, but we were unable to. And we can't move C to make room, because very likely some variables in our program are pointing at C, and we can't automatically find and change all of these values. How do you know it's a problem? Well, the bigg...
https://stackoverflow.com/ques... 

Java's Virtual Machine and CLR

...rick. The JVM has no notion of which classes have type-arguments, and it's unable to perform parametric specializations at runtime. From a practical perspective, that means you can't overload Java methods on generic types. You can't have two different methods, with the same name, differing only on ...
https://www.fun123.cn/referenc... 

App Inventor 2 SQLite 拓展:超流行兼容主流SQL语法的迷你本地数据库引擎...

...用程序私有存储的路径。 此方法可用于在应用程序首次运行时初始化数据库。只需将完整格式的 SQLite 数据库文件上传到应用程序的资产中,此函数就会将其复制到位。 注意:如果您导入的数据库尚未包含完整格式的“android_m...
https://stackoverflow.com/ques... 

What is a magic number, and why is it bad? [closed]

...tely baffled; very puzzled. baffled: totally bewilder or perplex. puzzled: unable to understand; perplexed. understand: perceive the intended meaning of (words, a language, or speaker). meaning: what is meant by a word, text, concept, or action. meant: intend to convey, indicate, or refer to (a par...
https://stackoverflow.com/ques... 

Text size and different android screen sizes

...h will handle text size for difference resolution devices. But I am always unable to get the desired result. So I have found one solution which I am using from my last 4-5 projects and its working fine. As per my suggestion, you have to place the text size for each resolution devices, which is bit t...
https://stackoverflow.com/ques... 

Hiding the scroll bar on an HTML page

... div with overflow hidden. Detect when the user attempts to scroll, but is unable to because we've disabled the browsers ability to scroll with overflow: hidden.. and instead move the content up using JavaScript when this occurs. Thereby creating our own scrolling without the browsers default scroll...