idioms

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Does a function like this already exist? (Or, what's a better name for this function?)

I\'ve written code with the following pattern several times recently, and was wondering if there was a shorter way to write it.[详细]

2023-04-06 14:42 分类：问答
copy-and-swap idiom, with inheritance

I read interesting things about the copy-and-swap idiom. My question is concerning the implementation of the swap method when inheriting from another class.[详细]

2023-04-06 12:57 分类：问答
Android: Is there an idiom for Iterating through a SparseArray

I\'m using a list of unique int ids against a list of user names as a fast lookup t开发者_JAVA百科able and decided to use the sparseArray but I would like to be able print to log the entire list from[详细]

2023-04-02 05:04 分类：问答
Cannot override method and cannot access field while using idiom "Providing a default interface implementation"

Here is code: IDefaultInterface.aj: public interface IDefaultInterface { public void m1(); static aspect Impl{[详细]

2023-03-29 21:14 分类：问答
How to write this in idiomatic awk?

The following program prints out the name of the file, the number of rows, and the number of rows that begin with // in the case that more than one fifth of the开发者_如何学Go rows begin that way.[详细]

2023-03-29 05:38 分类：问答
Looking for idiomatic way to regex-process a text file in Ruby

I\'m looking for idiomatic wa开发者_如何学JAVAy to regex-process a text file in Ruby, and here\'s the best thing I\'ve been able to come up with so far.It removes all \" chars:[详细]

2023-03-27 13:42 分类：问答
Scala: Detecting a Straight in a 5-card Poker hand using pattern matching

For those who don\'t know what a 5-card Poker Straight开发者_C百科 is: http://en.wikipedia.org/wiki/List_of_poker_hands#Straight[详细]

2023-03-26 12:29 分类：问答
Better to return None or throw an exception when fetching URL?

I have a Scala helper method that currently tries to fetch a URL and return an Option[String] with the HTML of that webpage.[详细]

2023-03-23 22:48 分类：问答
C++ Is using auto_ptr references as out variables idiomatic?

Suppose I want to write factory method that is supposed to allocate heterogeneous objects on the heap and return them to the caller. I am thinking of designing the API like this:[详细]

2023-03-20 11:30 分类：问答
Lightweight wrapper - is this a common problem and if yes, what is its name?

I have to use a library that makes database calls which are not thread-safe. Also I occa开发者_StackOverflow中文版sionally have to load larger amounts of data in a background thread.[详细]

2023-03-19 13:25 分类：问答