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Can C++ code be valid in both C++03 and C++11 but do different things?
Is it possible for C++ code to conform to both the C++03 standard and the C++11 standard, but do different things depending on under which standard it is being compiled?
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How should I escape strings in JSON?
When creating JSON data manually, how should I escape string fields? Should I use something like Apache Commons Lang's StringEscapeUtilities.escapeHtml , StringEscapeUtilities.escapeXml , or should I use java.net.URLEncoder ?
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rails - Devise - Handling - devise_error_messages
in my user edit page, there is a line as follows:
21 Answers
21
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What is a Manifest in Scala and when do you need it?
Since Scala 2.7.2 there is something called Manifest which is a workaround for Java's type erasure. But how does Manifest work exactly and why / when do you need to use it?
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Parsing a comma-delimited std::string [duplicate]
If I have a std::string containing a comma-separated list of numbers, what's the simplest way to parse out the numbers and put them in an integer array?
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Preferred Github workflow for updating a pull request after code review
...nge to an Open Source project on Github, and received code review comments from one of the core team members.
2 Answers
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
... say the answer depends on the rounding mode when converting the double to float. float has 24 binary bits of precision, and double has 53. In binary, 0.1 is:
0.1₁₀ = 0.0001100110011001100110011001100110011001100110011…₂
^ ^ ^ ^
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Get the distance between two geo points
...h checks the nearest place where a user is. I can easily get the location of the user and I have already a list of places with latitude and longitude.
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C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...对象：
如果容器是vector、string或deque，则使用erase-remove_if习惯用法。
如果容器是list，则使用list::remove_if。
如果容器是一个标准关联容器，则使用remove_copy_if和swap，或者写一个循环遍历容器的元素，记住当把迭代器传给erase时...
How to split text without spaces into list of words?
...o real-world data. Here is a 20-line algorithm that exploits relative word frequency to give accurate results for real-word text.
(If you want an answer to your original question which does not use word frequency, you need to refine what exactly is meant by "longest word": is it better to have a 20...