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Why does Hibernate require no argument constructor?
...wInstance(). The method getDeclaredConstructors has been in the reflection API since JDK 1.1. It's terrifying that the JPA spec designers neglected this.
– drrob
May 22 '17 at 10:41
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SparseArray vs HashMap
...e based on objects not on primitive so it wont work within the Collections API
– Rod_Algonquin
Aug 29 '14 at 3:00
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Python, Unicode, and the Windows console
...ll now accept all Unicode characters. Internally, it uses the same Unicode API as the win-unicode-console package mentioned below. print(unicode_string) should just work now.
I get a UnicodeEncodeError: 'charmap' codec can't encode character... error.
The error means that Unicode character...
How to throw a C++ exception
... MWE on GitHub, where a backtrace would look something like this:
Library API: Exception caught in function 'api_function'
Backtrace:
~/Git/mwe-cpp-exception/src/detail/Library.cpp:17 : library_function failed
~/Git/mwe-cpp-exception/src/detail/Library.cpp:13 : could not open file "nonexistent.txt"...
How can I be notified when an element is added to the page?
...ctical guide to using MutationObserver(): davidwalsh.name/mutationobserver-api
– gfullam
Feb 19 '16 at 19:26
4
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Is a Java string really immutable?
...ng is immutable* but this only means you cannot change it using its public API.
What you are doing here is circumventing the normal API, using reflection. The same way, you can change the values of enums, change the lookup table used in Integer autoboxing etc.
Now, the reason s1 and s2 change val...
getViewTypeCount and getItemViewType methods of ArrayAdapter
...you don't implement these two methods intuitively according to the Android API Doc, then you might get into the problem I mentioned about.
Summarized Guideline for the implementation:
To implement multiple types of Views for ListView's rows we have to essentially implement, getItemViewType() and g...
What is null in Java?
...e = reader.readLine()) != null) {
process(line);
}
One can design the API so that the termination condition doesn't depend on readLine() returning null, but one can see that this design has the benefit of making things concise. Note that there is no problem with empty lines, because an empty li...
(13: Permission denied) while connecting to upstream:[nginx]
...
if "502 Bad Gateway" error throws on centos api url for api gateway proxy pass on nginx , run following command to solve the issue
sudo setsebool -P httpd_can_network_connect 1
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System.MissingMethodException: Method not found?
...work for the project can also fix the error. I was upgrading an MVC4 / Web API 1 project targeting .NET 4.5. After upgrading all the MVC, Web API, and Entity Framework dependencies, I ran into the same error; changing the target framework to .NET 4.5.1 made the error go away.
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