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When to use next() and return next() in Node.js
...t controller fails, it passes the req to app.put which is next route in te file and so on. As seen in the example below.
app.get('/user/:id', function (req,res,next){
if(req.method === 'GET')
//whatever you are going to do
else
return next() //it passes the request to app.put...
How to access the content of an iframe with jQuery?
...nt");
});
</script>
</head>
<body>
<iframe src="mifile.html" id="iView" style="width:200px;height:70px;border:dotted 1px red" frameborder="0"></iframe>
</body>
</html>
share
...
Git: cannot checkout branch - error: pathspec '…' did not match any file(s) known to git
...o checkout new branch:
error: pathspec 'BRANCH-NAME' did not match any file(s) known to git.
When I tried git checkout origin/<BRANCH-NAME>, I got the detached HEAD:
(detached from origin/)
Finally, I did the following to resolve the issue:
git remote update
git fetch
git checko...
How far can memory leaks go?
...imes. Usually when I'm malloc -ing like there's no tomorrow, or dangling FILE * s like dirty laundry. I generally assume (read: hope desperately) that all memory is cleaned up at least when the program terminates. Are there any situations where leaked memory won't be collected when the program ter...
How to add an image to a JPanel?
...ort java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
import javax.swing.JPanel;
public class ImagePanel extends JPanel{
private BufferedImage i...
Converting String to Int with Swift
...wift 5.2
Please check the comments through the code
IntegerField.swift file contents:
import UIKit
class IntegerField: UITextField {
// returns the textfield contents, removes non digit characters and converts the result to an integer value
var value: Int { string.digits.integer ?? 0 ...
Visual Studio debugging/loading very slow
...reakpoint that somehow got placed in the XML code of one of my edmx entity files. You da man/woman.
– JB06
May 8 '14 at 17:39
...
How do I get the parent directory in Python?
...the pathlib module.
from pathlib import Path
path = Path("/here/your/path/file.txt")
print(path.parent)
Old answer
Try this:
import os.path
print os.path.abspath(os.path.join(yourpath, os.pardir))
where yourpath is the path you want the parent for.
...
Is it safe to ignore the possibility of SHA collisions in practice?
... one megabyte each.
We calculate the SHA-256 hash for the contents of each file.
The possibility of collision depends on:
3...
What does flushing the buffer mean?
...
Consider writing to a file. This is an expensive operation. If in your code you write one byte at a time, then each write of a byte is going to be very costly. So a common way to improve performance is to store the data that you are writing in a t...