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Nodejs Event Loop
...re.
LibEio is a library to perform input output asynchronously. It handles file descriptors, data handlers, sockets etc. You can read more about it here here.
LibUv is an abstraction layer on the top of libeio , libev, c-ares ( for DNS ) and iocp (for windows asynchronous-io). LibUv performs, mainta...
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...
How do I run msbuild from the command line using Windows SDK 7.1?
... now installed as a part of Visual Studio.
For VS2015 the path was %ProgramFiles(x86)%\MSBuild\14.0\Bin
For VS2017 the path was %ProgramFiles(x86)%\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Bin
For VS2019 the path was %ProgramFiles(x86)%\Microsoft Visual Studio\2019\Community\MSBuild\Curr...
What is copy-on-write?
...
@hhafez Some filesystems use CoW, e.g., BTRFS.
– Geremia
May 22 '16 at 5:48
...
Should accessing SharedPreferences be done off the UI Thread?
...t's small, as it should be if you're using SharedPreferences, a simple XML file...) You don't want to fault it in the future time some user clicks a button.
but whenever you call context.getSharedPreferences(...), the backing XML file is stat'd to see if it's changed, so you'll want to avoid those ...
What is the reason for performing a double fork when creating a daemon?
... a session leader has no controlling terminal, and opens a terminal device file that is not already associated with a session without using the O_NOCTTY option (see open()), it is implementation-defined whether the terminal becomes the controlling terminal of the session leader. If a process which i...
How to write a bash script that takes optional input arguments?
...tiple arguments, by analogy with the ls command which can take one or more files or by default lists everything in the current directory:
if [ $# -ge 1 ]
then
files="$@"
else
files=*
fi
for f in $files
do
echo "found $f"
done
Does not work correctly for files with spaces in the path, ...
How to load db:seed data into test database automatically?
...k primarily just loads the db/seeds.rb script. Therefore just execute that file to load the data.
load "#{Rails.root}/db/seeds.rb"
# or
Rails.application.load_seed
Where to place that depends on what testing framework you are using and whether you want it to be loaded before every test or just ...
Visual Studio 64 bit?
... of portability issues, Office64bit will still have to support old doc/xls files. I hope. On the other hand I completely agree with him: 90% of apps do not need to be ported to 64bit. Unfortunately that's not 90% of the customers think. They all demand native 64bit now :(
–...
multiprocessing: sharing a large read-only object between processes?
...ing child.
When parent reaches the end, close the pipe. Child gets end of file and finishes normally.
The child parts are pleasant to write because each child simply reads sys.stdin.
The parent has a little bit of fancy footwork in spawning all the children and retaining the pipes properly, bu...