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What is (functional) reactive programming?
... article on functional reactive programming . The descriptions are quite abstract.
18 Answers
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Will code in a Finally statement fire if I return a value in a Try block?
...riend and say that he was using a return statement inside of a try-finally block. Does the code in the Finally section still fire even though the rest of the try block doesn't?
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Why use apparently meaningless do-while and if-else statements in macros?
In many C/C++ macros I'm seeing the code of the macro wrapped in what seems like a meaningless do while loop. Here are examples.
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Is there a better way to express nested namespaces in C++ within the header
...from C++ to Java and C# and think the usage of namespaces/packages is much better there (well structured). Then I came back to C++ and tried to use namespaces the same way but the required syntax is horrible within the header file.
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How to search for a string in text files?
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The reason why you always got True has already been given, so I'll just offer another suggestion:
If your file is not too large, you can read it into a string, and just use that (easier and often faster than reading and checking line per line):
with open('example.txt') ...
正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...出来。如果要精确地查找hi这个单词的话，我们应该使用\bhi\b。
\b是正则表达式规定的一个特殊代码（好吧，某些人叫它元字符，metacharacter），代表着单词的开头或结尾，也就是单词的分界处。虽然通常英文的单词是由空格，...
Difference between numpy.array shape (R, 1) and (R,)
In numpy , some of the operations return in shape (R, 1) but some return (R,) . This will make matrix multiplication more tedious since explicit reshape is required. For example, given a matrix M , if we want to do numpy.dot(M[:,0], numpy.ones((1, R))) where R is the number of rows (of co...
How to read a text file into a list or an array with Python
...d the lines of a text file into a list or array in python. I just need to be able to individually access any item in the list or array after it is created.
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Can a Windows batch file determine its own file name?
Can a Windows batch file determine its own file name?
6 Answers
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How does Java handle integer underflows and overflows and how would you check for it?
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If it overflows, it goes back to the minimum value and continues from there. If it underflows, it goes back to the maximum value and continues from there.
You can check that beforehand as follows:
public static boolean willAdditionOverflow(int left...