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Does Typescript support the ?. operator? (And, what's it called?)
...eturns the first value that evaluated to false. That may be 0, null, false etc. || returns the first value that evaluates to true.
– A. K-R
Mar 8 '16 at 14:29
34
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How to get relative path from absolute path
There's a part in my apps that displays the file path loaded by the user through OpenFileDialog. It's taking up too much space to display the whole path, but I don't want to display only the filename as it might be ambiguous. So I would prefer to show the file path relative to the assembly/exe direc...
Reading Properties file in Java
I have the following code trying to read a properties file:
16 Answers
16
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Connect to Amazon EC2 file directory using Filezilla and SFTP
I have created an AWS EC2 Instance and I want to be able to upload files to the server directory using FileZilla in the simplest and most straightforward fashion possible.
...
Why does Java allow us to compile a class with a name different than the file name?
I have a file Test.java and the following code inside it.
8 Answers
8
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Number of lines in a file in Java
I use huge data files, sometimes I only need to know the number of lines in these files, usually I open them up and read them line by line until I reach the end of the file
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How do I drag and drop files into an application?
...ect sender, DragEventArgs e) {
if (e.Data.GetDataPresent(DataFormats.FileDrop)) e.Effect = DragDropEffects.Copy;
}
void Form1_DragDrop(object sender, DragEventArgs e) {
string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
foreach (string file in files) Console....
What's the bad magic number error?
...e magic number comes from UNIX-type systems where the first few bytes of a file held a marker indicating the file type.
Python puts a similar marker into its pyc files when it creates them.
Then the python interpreter makes sure this number is correct when loading it.
Anything that damages this m...
“Invalid signature file” when attempting to run a .jar
My java program is packaged in a jar file and makes use of an external jar library, bouncy castle . My code compiles fine, but running the jar leads to the following error:
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How to perform file system scanning
...hat I thought I'd update it for the Go1 API. This is a working example of filepath.Walk(). The original is below.
package main
import (
"path/filepath"
"os"
"flag"
"fmt"
)
func visit(path string, f os.FileInfo, err error) error {
fmt.Printf("Visited: %s\n", path)
return nil
}
fun...