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JPA CascadeType.ALL does not delete orphans
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If you are using JPA with EclipseLink, you'll have to set the @PrivateOwned annotation.
Documentation: Eclipse Wiki - Using EclipseLink JPA Extensions - Chapter 1.4 How to Use the @PrivateOwned Annotation
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Android Json and null values
...ng(jsonObject, "first_name");
would give you your string value or safely set your string variable to null. I use Gson whenever I can to avoid pitfalls like these. It handles null values much better in my opinion.
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How to run Nginx within a Docker container without halting?
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@red888, sets a global configuration option.
– Charles Duffy
Dec 4 '17 at 23:19
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Single Sign On across multiple domains [closed]
Our company has multiple domains set up with one website hosted on each of the domains. At this time, each domain has its own authentication which is done via cookies.
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Entity Framework select distinct name
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
How to Append in javascript? [duplicate]
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You can set async to true.
– Michael Rogers
Dec 26 '19 at 1:54
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How to detect when an Android app goes to the background and come back to the foreground
...N ONLY ONCE WHEN YOUR APP WAS RESUMED FROM BACKGROUND
mApplication.setWasInBackground(false);
}
}
I recommend onStart because Dialogs can pause an activity so I bet you don't want your app to think "it went to the background" if all you did was display a full screen dialog, but your mi...
Getting java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory exception
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Setting the scope to compile did it for me
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.2</version>
<scope>compil...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
... for example when your code calls WaitForMultipleObjectsEx with bAlertable set to true.
Some more reading on the web:
Multiple Threads in the User Interface on MSDN, also shortly handling the cost of creating threads
Section Threads and Thread Pools says "Although threads are relatively easy to c...
Why don't self-closing script elements work?
What is the reason browsers do not correctly recognize:
12 Answers
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