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Spring Boot JPA - configuring auto reconnect
...ction is inactive for more than 8 hours it is automatically closed and the error above will happen. So, your solution is not to let the connection remain inactive for longer-durations. Is there a way I can connect to the SQL server after it has been restarted?
– Akeshwar Jha
...
JPA: How to have one-to-many relation of the same Entity type
...accordingly. Updating only one side of a bidirectional relationship is an error under JPA. Always update both sides of the relationship. This is written unambiguously on page 42 of the JPA 2.0 spec:
Note that it is the application that bears responsibility for maintaining the consistency of r...
Have Grunt generate index.html for different setups
...Pattern, destPath) {
if (srcPattern === undefined) {
throw new Error("srcPattern undefined");
}
if (destPath === undefined) {
throw new Error("destPath undefined");
}
return grunt.util._.reduce(
grunt.file.expandMapping(srcPattern, destPath, {
...
Java: Static vs inner class [duplicate]
... has to be declared in either static or top level types. You will get this error on doing so saying "static fields only be declared in static or top level types".
Non-static inner class can access both static and non-static members of enclosing class in procedural style of getting value, but it cann...
Check if Python Package is installed
...ind the {name!r} module")
Python 3:
try:
import mymodule
except ImportError as e:
pass # module doesn't exist, deal with it.
Python 2:
try:
import mymodule
except ImportError, e:
pass # module doesn't exist, deal with it.
...
How to use base class's constructors and assignment operator in C++?
...Base&) { /*...*/ }
};
class Derived : public Base
{
int additional_;
public:
Derived(const Derived& d)
: Base(d) // dispatch to base copy constructor
, additional_(d.additional_)
{
}
Derived& operator=(const Derived& d)
{
Base::operat...
Find a private field with Reflection?
...can do it just like with a property:
FieldInfo fi = typeof(Foo).GetField("_bar", BindingFlags.NonPublic | BindingFlags.Instance);
if (fi.GetCustomAttributes(typeof(SomeAttribute)) != null)
...
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How to list out all the subviews in a uiviewcontroller in iOS?
...eDescription, per http://developer.apple.com/library/ios/#technotes/tn2239/_index.html
It outputs a more complete view hierarchy which you might find useful:
> po [_myToolbar recursiveDescription]
<UIToolbarButton: 0xd866040; frame = (152 0; 15 44); opaque = NO; layer = <CALayer: 0xd8642...
Bootstrap 3 Glyphicons are not working
...tstrap 3.0 and can't get the glyphicons to work. I get some kind of "E003" error. Any ideas why this is happening? I tried both locally and online and I still get the same problem.
...
Zooming MKMapView to fit annotation pins?
...
- (void)showAnnotations:(NSArray *)annotations animated:(BOOL)animated NS_AVAILABLE(10_9, 7_0);
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