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How do I run a Java program from the command line on Windows?
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Source: javaindos.
Let's say your file is in C:\mywork\
Run Command Prompt
C:\> cd \mywork
This makes C:\mywork the current directory.
C:\mywork> dir
This displays the directory contents. You should see
filenamehere.java among the files.
C:\mywork&...
Android custom dropdown/popup menu
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Update: To create a popup menu in android with Kotlin refer my answer here.
To create a popup menu in android with Java:
Create a layout file activity_main.xml under res/layout directory which contains only one button.
Filename: activity_main.xml
<RelativeLayout xm...
Scale image to fit a bounding box
Is there a css-only solution to scale an image into a bounding box (keeping aspect-ratio)? This works if the image is bigger than the container:
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Proper way to implement IXmlSerializable?
...ide should write out the XML
representation of the object. The
framework writes a wrapper element and
positions the XML writer after its
start. Your implementation may write
its contents, including child
elements. The framework then closes
the wrapper element.
And for read:
The R...
Choose between ExecutorService's submit and ExecutorService's execute
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There is a difference concerning exception/error handling.
A task queued with execute() that generates some Throwable will cause the UncaughtExceptionHandler for the Thread running the task to be invoked. The default UncaughtExceptionHandler, which typically prints the Throwable stack tra...
How can I wrap text to some length in Vim?
Let's speak of relative measures. My Vim looks like:
5 Answers
5
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What is “String args[]”? parameter in main method Java
...ou wanted to output the contents of args, you can just loop through them like this...
public class ArgumentExample {
public static void main(String[] args) {
for(int i = 0; i < args.length; i++) {
System.out.println(args[i]);
}
}
}
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Escaping regex string
...e input from a user as a regex pattern for a search over some text. It works, but how I can handle cases where user puts characters that have meaning in regex?
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Ruby on Rails: How do I add placeholder text to a f.text_field?
... fields so that the text comes pre-written by default, and when a user click inside the fields, the text goes away - allowing the user to type in the new text?
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“f” after number
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CGRect frame = CGRectMake(0.0f, 0.0f, 320.0f, 50.0f);
uses float constants. (The constant 0.0 usually declares a double in Objective-C; putting an f on the end - 0.0f - declares the constant as a (32-bit) float.)
CGRect frame = CGRectMake(0, 0, ...