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How to set thousands separator in Java?
How to set thousands separator in Java?
I have String representation of a BigDecimal that I want to format with a thousands separator and return as String.
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How to get the mysql table columns data type?
...DATA_TYPE FROM INFORMATION_SCHEMA.COLUMNS
WHERE table_name = 'tbl_name' AND COLUMN_NAME = 'col_name';
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How do I get the day of week given a date?
...ocumentation:
Return the day of the week as an integer, where Monday is 0 and Sunday is 6.
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What's a “static method” in C#?
...e class.
A static class is a class which can only contain static members, and therefore cannot be instantiated.
For example:
class SomeClass {
public int InstanceMethod() { return 1; }
public static int StaticMethod() { return 42; }
}
In order to call InstanceMethod, you need an instanc...
Java serialization: readObject() vs. readResolve()
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When serialization is used to convert an object so that it can be saved in file, we can trigger a method, readResolve(). The method is private and is kept in the same class whose object is being retrieved while deserialization.
It ensures that after the d...
Arrays vs Vectors: Introductory Similarities and Differences [closed]
What are the differences between an array and a vector in C++? An example of the differences might be included libraries, symbolism, abilities, etc.
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Java compiler level does not match the version of the installed Java project facet
... Maven capabilities to the Web Application by clicking on Configure → Convert to Maven Project .
12 Answers
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Can I use a function for a default value in MySql?
... binary. This article explains how to create a generated column that will convert the UUID to text as needed without taking up any space or worrying about keeping separate binary and text versions in sync: https://mysqlserverteam.com/storing-uuid-values-in-mysql-tables/
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How to update a single library with Composer?
...ripts which don't handle backspace characters.
--optimize-autoloader (-o): Convert PSR-0/4 autoloading to classmap to get a faster autoloader. This is recommended especially for production, but can take a bit of time to run so it is currently not done by default.
--lock: Only updates the lock file h...
Any implementation of Ordered Set in Java?
...og(n).
If you want to access the content of the set as an Array, you can convert it doing:
YourType[] array = someSet.toArray(new YourType[yourSet.size()]);
This array will be sorted with the same criteria as the TreeSet (natural or by a comparator), and in many cases this will have a advantag...