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What is JavaScript's highest integer value that a number can go to without losing precision?
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JavaScript has two number types: Number and BigInt.
The most frequently-used number type, Number, is a 64-bit floating point IEEE 754 number.
The largest exact integral value of this type is Number.MAX_SAFE_INTEGER, which...
Co-variant array conversion from x to y may cause run-time exception
...in C# here is Eric Lippert's explanation : It was added to the CLR because Java requires it and the CLR designers wanted to be able to support Java-like languages. We then up and added it to C# because it was in the CLR. This decision was quite controversial at the time and I am not very happy about...
Build.scala, % and %% symbols meaning
I'm new to Play! Framework 2.1 (java version) and have no experience with scala. I don't understand what are and what does % and %% mean in Build.scala. I googled about them but couldn't find their meaning.
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What is the difference between declarative and procedural programming paradigms?
...base types to derived types, but also includes the unusual prototype-based JavaScript.
Examples of programming languages which support the OO paradigm:
Java
Declarative
There are several sub-paradigms of the declarative programming paradigm, such as the functional or the logic programming par...
Specifying an Index (Non-Unique Key) Using JPA
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With JPA 2.1 you should be able to do it.
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Index;
import javax.persistence.Table;
@Entity
@Table(name = "region",
indexes = {@Index(name = "my_index_name", columnList="iso_cod...
Convert dmesg timestamp to custom date format
...stand the dmesg timestamp and find it hard to convert that to change it to java date/custom date format.
8 Answers
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Any good ORM tools for Android development? [closed]
...of a place where I can find a good ORM tool for it? The code is written in Java, and the database is SQLite. What I would like to find is a tool that given the object definition, can auto-generate the tables and the CRUD functions (that would be awesome), or, barring that, a tool that can take the t...
Is Javascript a Functional Programming Language?
... first class objects, there are closures, and higher order functions, does Javascript deserve to be called a Functional Programming language? The main thing I think it lacks is Pure Functions, and it doesn't 'feel' like other functional languages, like lisp (although thats not really a good reason ...
Why is 1/1/1970 the “epoch time”?
... Many database such as Postgres use microseconds. Some, such as the modern java.time framework in Java 8 and later, use nanoseconds. Some use still other granularities.
ISO 8601
Because there is so much variance in the use of an epoch reference and in the granularities, it is generally best to av...
How to pretty print XML from the command line?
... a="b">lorem</foo><bar value="ipsum" /></root>' |
java -cp /usr/share/java/saxon/saxon9he.jar net.sf.saxon.Query \
-s:- -qs:/ '!indent=yes'
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