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The JPA hashCode() / equals() dilemma
There have been some discussions here about JPA entities and which hashCode() / equals() implementation should be used for JPA entity classes. Most (if not all) of them depend on Hibernate, but I'd like to discuss them JPA-implementation-neutrally (I am using EclipseLink, by the way).
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Revert to a commit by a SHA hash in Git? [duplicate]
... commit six commits behind the head, reverting all the changes in the intermediary commits in between.
9 Answers
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Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT
...NT_CALLED);
} else {
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("image/jpeg");
startActivityForResult(intent, GALLERY_KITKAT_INTENT_CALLED);
}
@Override
public void onActivityResult(int requestCode, int resul...
Find lines from a file which are not present in another file [duplicate]
...e two files (let's say a.txt and b.txt ), both of which has a list of names. I have already run sort on both the files.
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How do I clone a single branch in Git?
...e' '
git clone --single-branch "file://$(pwd)/." singlebranch
'
Tobu comments that:
This is implicit when doing a shallow clone.
This makes git clone --depth 1 the easiest way to save bandwidth.
And since Git 1.9.0 (February 2014), shallow clones support data transfer (push/pull), so that optio...
Oracle TNS names not showing when adding new connection to SQL Developer
...SQL Developer will look in the following location in this order for a tnsnames.ora file
$HOME/.tnsnames.ora
$TNS_ADMIN/tnsnames.ora
TNS_ADMIN lookup key in the registry
/etc/tnsnames.ora ( non-windows )
$ORACLE_HOME/network/admin/tnsnames.ora
LocalMachine\SOFTWARE\ORACLE\ORACLE_HOME_KEY
LocalMachi...
React JSX: selecting “selected” on selected option
In a React component for a <select> menu, I need to set the selected attribute on the option that reflects the application state.
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Cross Browser Flash Detection in Javascript
...lash content. I say reliably because I know its not possible 100% of the time.
16 Answers
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How to run JUnit test cases from the command line
...a -cp .:/usr/share/java/junit.jar org.junit.runner.JUnitCore [test class name]
But if you are using JUnit 3.X note the class name is different:
java -cp .:/usr/share/java/junit.jar junit.textui.TestRunner [test class name]
You might need to add more JARs or directories with your class files to ...
Python: How to get stdout after running os.system? [duplicate]
...ause you were using os.system(), you'd have to set shell=True to get the same behaviour. You do want to heed the security concerns about passing untrusted arguments to your shell.
If you need to capture stderr as well, simply add stderr=subprocess.STDOUT to the call:
result = subprocess.check_outp...