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How do I create a dynamic key to be added to a JavaScript object variable [duplicate]
... numeric value of the property whose name is numeric and whose value, when converted to a number, is the largest of all such properties. That sounds really weird, but it just means that given an array instance, the properties with names like "0", "5", "207", and so on, are all treated specially in t...
All Ruby tests raising: undefined method `authenticate' for nil:NilClass
...a Rails 3 application. It could be experiencing a few growing pains as it converts over.
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Determine if a sequence contains all elements of another sequence using Linq [duplicate]
... superset is HUGE. It avoids repeatedly enumerating superset.
HashSet<int> hashSet = new HashSet<int>(superset);
bool contained = subset.All(i => hashSet.Contains(i));
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Force LF eol in git repo and working copy
...t be altered, files detected as being text files will see the line endings converted on the fly.
However, as you know the content of your repository, you may give Git a hand and help him detect text files from binary files.
Provided you work on a C based image processing project, replace the conte...
Read binary file as string in Ruby
I need an easy way to take a tar file and convert it into a string (and vice versa). Is there a way to do this in Ruby? My best attempt was this:
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Get the client's IP address in socket.io
...ket.handshake.headers["x-real-port"];
Note that the header is internally converted to lower case.
If you are connecting the node server directly to the client,
var ip = socket.conn.remoteAddress;
works with socket.io version 1.4.6 for me.
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How to change ProgressBar's progress indicator color in Android
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This is enough android:indeterminateTint="@color/white" for API lever 21 and above
– Ghanshyam Nayma
Nov 13 '18 at 14:39
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count members with jsonpath?
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I'm using Hamcrest version 1.3 and Spring Test 3.2.5.RELEASE
hasSize(int) javadoc
Note:
You need to include hamcrest-library dependency and import static org.hamcrest.Matchers.*; for hasSize() to work.
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@UniqueConstraint annotation in Java
...e you can write
@Column(unique=true)
String username;
The @UniqueConstraint annotation is for annotating multiple unique keys at the table level, which is why you get an error when applying it to a field.
References (JPA TopLink):
@UniqueConstraint
@Column
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Show DialogFragment with animation growing from a point
....setMessage( "Your message" )
.setPositiveButton( "OK" , new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which) {
dismiss();
}
});
retu...