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How to supply value to an annotation from a Constant java
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Compile constants can only be primitives and Strings:
15.28. Constant Expressions
A compile-time constant expression is an expression denoting a value of primitive type or a String that does not complete abruptly and is composed using only the following:
Literals of p...
Retrieve list of tasks in a queue in Celery
... the queue.
You should look here:
Celery Guide - Inspecting Workers
Basically this:
from celery.app.control import Inspect
# Inspect all nodes.
i = Inspect()
# Show the items that have an ETA or are scheduled for later processing
i.scheduled()
# Show tasks that are currently active.
i.active()...
Is there a predefined enumeration for Month in the .NET library?
...re.DateTimeFormat.GetMonthName (DateTime.Now.Month);
which will return a string representation (of the current month, in this case). Note that GetMonth takes arguments from 1 to 13 - January is 1, 13 is a blank string.
sha...
Which types can be used for Java annotation members?
...n 9.6.1 of the JLS. The annotation member types must be one of:
primitive
String
an Enum
another Annotation
Class
an array of any of the above
It does seem restrictive, but no doubt there are reasons for it.
Also note that multidimensional arrays (e.g. String[][]) are implicitly forbidden by the a...
How can I increment a char?
...ng, due to its clear distinction between bytes and unicode. By default, a "string" is unicode, so the above works (ord receives Unicode chars and chr produces them).
But if you're interested in bytes (such as for processing some binary data stream), things are even simpler:
>>> bstr = byt...
Defining TypeScript callback type
...ter to a function signature like:
interface myCallbackType { (myArgument: string): void }
and use it like this:
public myCallback : myCallbackType;
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Can we write our own iterator in Java?
...ntIndex. Below is an example of using this API...
public static void main(String[] args) {
// create an array of type Integer
Integer[] numbers = new Integer[]{1, 2, 3, 4, 5};
// create your list and hold the values.
SOList<Integer> stackOverflowList = new SOList<Integer&g...
Replace tabs with spaces in vim
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What this all means, is nicely explained on the Vim wiki.
– Serge Stroobandt
Dec 11 '16 at 1:43
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Get generic type of class at runtime
...t; of(Class<T> type) {...} and then call it as such: GenericClass<String> var = GenericClass.of(String.class). A bit nicer.
– Joeri Hendrickx
Aug 1 '16 at 20:04
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Ruby: Merging variables in to a string
I'm looking for a better way to merge variables into a string, in Ruby.
7 Answers
7
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