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How can I lookup a Java enum from its String value?
I would like to lookup an enum from its string value (or possibly any other value). I've tried the following code but it doesn't allow static in initialisers. Is there a simple way?
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Android: How to put an Enum in a Bundle?
...eteness sake, this is a full example of how to put in and get back an enum from a bundle.
Given the following enum:
enum EnumType{
ENUM_VALUE_1,
ENUM_VALUE_2
}
You can put the enum into a bundle:
bundle.putSerializable("enum_key", EnumType.ENUM_VALUE_1);
And get the enum back:
EnumTy...
Calling remove in foreach loop in Java [duplicate]
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To safely remove from a collection while iterating over it you should use an Iterator.
For example:
List<String> names = ....
Iterator<String> i = names.iterator();
while (i.hasNext()) {
String s = i.next(); // must be called...
Singletons vs. Application Context in Android?
...with Dianne Hackborn's response. We are bit by bit removing all singletons from our project in favor of lightweight, task scoped objects which can easiliy be re-created when you actually need them.
Singletons are a nightmare for testing and, if lazily initialized, will introduce "state indeterminis...
When do I use the PHP constant “PHP_EOL”?
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but don't use PHP_EOL for data posted from form.
– Nabi K.A.Z.
Nov 10 '16 at 10:13
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show 4 more commen...
How to copy Docker images from one host to another without using a repository
How do I transfer a Docker image from one machine to another one without using a repository, no matter private or public?
1...
How many threads is too many?
...ou state, the vast majority of your threads will be waiting for a response from the database so they won't be running. There are two factors that affect how many threads you should allow for.
The first is the number of DB connections available. This may be a hard limit unless you can increase it at...
Configure WAMP server to send email
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Configuring a working email client from localhost is quite a chore, I have spent hours of frustration attempting it. I'm sure someone more experienced may be able to help, or they may perhaps agree with me.
If you just want to test, here is a great tool for t...
Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a
....next();
if (string.isEmpty()) {
// Remove the current element from the iterator and the list.
iterator.remove();
}
}
Note that Iterator.remove() is the only safe way to modify a collection during iteration; the behavior is unspecified if the underlying collection is modifi...
How to remove EXIF data without recompressing the JPEG?
...IF information (including thumbnail, metadata, camera info... everything!) from JPEG files, but I don't want to recompress it, as recompressing the JPEG will degrade the quality, as well as usually increasing the file size.
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