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Can I set an opacity only to the background image of a div?
...
background-color: grey;
}
section h1{
opacity: 0.8;
}
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Metrics</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://fonts.googl...
Java Delegates?
Does the Java language have delegate features, similar to how C# has support for delegates?
15 Answers
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How to format a duration in java? (e.g format H:MM:SS)
...duration in seconds using a pattern like H:MM:SS. The current utilities in java are designed to format a time but not a duration.
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Are std::vector elements guaranteed to be contiguous?
.... Look, the discussion is still hot about it: groups.google.com/group/comp.lang.c++.moderated/browse_thread/…
– Johannes Schaub - litb
May 11 '09 at 18:25
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How to convert java.sql.timestamp to LocalDate (java8) java.time?
In Java 8, how can I convert a Timestamp (in java.sql ) to a LocalDate (in java.time )?
3 Answers
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Rename a file using Java
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Copied from http://exampledepot.8waytrips.com/egs/java.io/RenameFile.html
// File (or directory) with old name
File file = new File("oldname");
// File (or directory) with new name
File file2 = new File("newname");
if (file2.exists())
throw new java.io.IOException("fil...
What does Java option -Xmx stand for? [duplicate]
java -Xmx1024m filename
5 Answers
5
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Why are only a few video games written in Java? [closed]
...any commercial, 3D video games (not random open source 2D ones) written in Java? In theory, it makes a lot of sense: you get a productivity boost and a cross-platform application almost for free, among other things, such as the vast amount of Java libraries, and built-in garbage collection (although...
how to check the jdk version used to compile a .class file [duplicate]
...or this on the command line (for a class called MyClass):
On Unix/Linux:
javap -verbose MyClass | grep "major"
On Windows:
javap -verbose MyClass | findstr "major"
You want the major version from the results. Here are some example values:
Java 1.2 uses major version 46
Java 1.3 uses major v...
Can Java 8 code be compiled to run on Java 7 JVM?
Java 8 introduces important new language features such as lambda expressions.
5 Answers
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