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How to create index on JSON field in Postgres?
In PostgreSQL 9.3 Beta 2 (?), how do I create an index on a JSON field? I tried it using the -> operator used for hstore but got the following error:
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How can I load storyboard programmatically from class?
My problem is that I was looking for way to use both storyboard and xib . But I can't find proper way to load and show storyboard programmatically. Project was started developing with xib, and now it's very hard to nest all xib files in storyboard. So I was looking a way to do it in code, like wi...
How to use ternary operator in razor (specifically on HTML attributes)?
With the WebForms view engine, I'll commonly use the ternary operator for very simple conditionals, especially within HTML attributes. For example:
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The term “Context” in programming? [closed]
I have been programming for some months now and a frequently used word is "context" in classes. Like ServletContext (Java), Activity (Android), Service (Java, Android), NSManagedContext (Objective-C, iOS).
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How to fix org.hibernate.LazyInitializationException - could not initialize proxy - no Session
I get the following exception:
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Getting the current Fragment instance in the viewpager
...ded with each of the 3 tabs on ViewPager . I have a menu option. As shown in the onOptionsItemSelected() , by selecting an option, I need to update the fragment that is currently visible. To update that I have to call a method which is in the fragment class. Can someone please suggest how to call ...
Which Java Collection should I use?
In this question How can I efficiently select a Standard Library container in C++11? is a handy flow chart to use when choosing C++ collections.
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Infinite Recursion with Jackson JSON and Hibernate JPA issue
When trying to convert a JPA object that has a bi-directional association into JSON, I keep getting
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How might I find the largest number contained in a JavaScript array?
I have a simple JavaScript Array object containing a few numbers.
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Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...enchAdvisor {
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3 private static final String PERSPECTIVE_ID = " cn.blogjava.youxia.rcp_start.perspective " ;
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5 public WorkbenchWindowAdvisor createWorkbenchWindowAdvisor(IWorkbenchWindowConfigurer configurer) {
6 return new ApplicationWorkbenchWindo...