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When is std::weak_ptr useful?
...typically use shared_ptr and the "owned" use a weak_ptr to its parent, and convert it temporarily to shared_ptr when it needs access to its parent.
Store a weak ptr :
weak_ptr<Parent> parentWeakPtr_ = parentSharedPtr; // automatic conversion to weak from shared
then use it when needed
sha...
JAX-RS — How to return JSON and HTTP status code together?
...y("Entity not found for UUID: " + uuid).build();
}
String json = //convert entity to json
return Response.ok(json, MediaType.APPLICATION_JSON).build();
}
Take a look at the Response class.
Note that you should always specify a content type, especially if you are passing multiple con...
Compare given date with today
...e can be added to date before compare. This is still faster than trying to convert two date time strings in mm/dd/yyyy format to date and then comparing it. It always worry me when developers have dates in multiple time zone in their system. I think it is better to store dates in your system, always...
Why does Iterable not provide stream() and parallelStream() methods?
...
it into a stream. It turns out it is in there, you just need to first
convert the iterator to a spliterator and then convert the spliterator
to a stream. So this brings me to revisit the whether we should have
these hanging off one of Iterable/Iterator directly or both.
My suggestion i...
Xml serialization - Hide null values
...is I can ignore creating the nodes with null values:
public static string ConvertToXML<T>(T objectToConvert)
{
XmlDocument doc = new XmlDocument();
XmlNode root = doc.CreateNode(XmlNodeType.Element, objectToConvert.GetType().Name, string.Empty);
doc.AppendChild(roo...
How to select/get drop down option in Selenium 2
I am converting my selenium 1 code to selenium 2 and can't find any easy way to select a label in a drop down menu or get the selected value of a drop down. Do you know how to do that in Selenium 2?
...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
Makefile经典教程（入门必备）Linux_Shell_Classic_tutorialMakefile 教程 入门makefile很重要 什么是makefile？或许很多Winodws的程序员都不知道这个东西，因为那些Windows的IDE都为你做了这个工作，但我觉得要作
makefile。makefile带来的好处...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
Makefile经典教程（入门必备）Linux_Shell_Classic_tutorialMakefile 教程 入门makefile很重要 什么是makefile？或许很多Winodws的程序员都不知道这个东西，因为那些Windows的IDE都为你做了这个工作，但我觉得要作
makefile。makefile带来的好处...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
Makefile经典教程（入门必备）Linux_Shell_Classic_tutorialMakefile 教程 入门makefile很重要 什么是makefile？或许很多Winodws的程序员都不知道这个东西，因为那些Windows的IDE都为你做了这个工作，但我觉得要作
makefile。makefile带来的好处...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
Makefile经典教程（入门必备）Linux_Shell_Classic_tutorialMakefile 教程 入门makefile很重要 什么是makefile？或许很多Winodws的程序员都不知道这个东西，因为那些Windows的IDE都为你做了这个工作，但我觉得要作
makefile。makefile带来的好处...