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Hibernate - A collection with cascade=”all-delete-orphan” was no longer referenced by the owning ent
.... Any time you want to add or delete something to the list you have to modify the contents of the list instead of assigning a new list.
To add children:
public void addChild(SonEntity aSon)
{
this.sonEntities.add(aSon);
}
To remove children:
public void removeChild(SonEntity aSon)
{
th...
What's the difference between HEAD^ and HEAD~ in Git?
When I specify an ancestor commit object in Git, I'm confused between HEAD^ and HEAD~ .
15 Answers
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What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
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Koenig Lookup, or Argument Dependent Lookup, describes how unqualified names are looked up by the compiler in C++.
The C++11 standard § 3.4.2/1 states:
When the postfix-expression in a function call (5.2.2) is an unqualified-id, other namespaces not considered during the usual unqual...
Change Activity's theme programmatically
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Works for me on MotoG (v1) with stack Android 5.1. If it is not working for you please share device+android version.
– lenrok258
Jun 17 '16 at 10:14
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Android: AutoCompleteTextView show suggestions when no text entered
...leteTextView , when the user clicks on it, I want to show suggestions even if it has no text - but setThreshold(0) works exactly the same as setThreshold(1) - so the user has to enter at least 1 character to show the suggestions.
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CSS: Animation vs. Transition
...art state could be open and the end state could be closed, or vice versa.
If you want to perform something that does not specifically involve a start state and an end state, or you need more fine grain control over the keyframes in a transition, then you've got to use an animation.
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Why does Math.floor return a double?
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According to the same Javadoc:
If the argument is NaN or an infinity or positive zero or negative zero, then the result is the same as the argument. Can't do that with an int.
The largest double value is also larger than the largest int, so it would have ...
Remove all child elements of a DOM node in JavaScript
...s is updated to use lastChild as in computer-science, in general, it's significantly faster to remove the last element of a collection than it is to remove the first element (depending on how the collection is implemented).
The loop continues to check for firstChild just in case it's faster to check...
Quickest way to convert a base 10 number to any base in .NET?
... used to convert a number to its equivalent string representation in a specified base.
Example:
string binary = Convert.ToString(5, 2); // convert 5 to its binary representation
Console.WriteLine(binary); // prints 101
However, as pointed out by the comments, Convert.ToString only s...
Android: Go back to previous activity
...tivity stack. Whenever you start a new activity with an intent you can specify an intent flag like FLAG_ACTIVITY_REORDER_TO_FRONT or FLAG_ACTIVITY_PREVIOUS_IS_TOP. You can use this to shuffle between the activities in your application. Haven't used them much though. Have a look at the flags here: ht...