To check if a path is a Directory in Python you can use the snippet below.
Sample Python
import os
print(os.path.isdir("/myfolder/folder1"))
OS
How to check if Folder exists in Python
To check if Folder exists in Python you can use the snippet below.
import os
print(os.path.exists("/myfolder/folder1"))
How to read a file to string in Java
To read a file to string in Java you can use the following snippet.
Sample Java
public static string readFileToString(FileInputStream _fileInputStream)
{
try {
DataInputStream dataInputStream = new DataInputStream (_fileInputStream);
byte[] Bytes = new byte[dataInputStream.available ()];
dataInputStream.readFully (Bytes);
dataInputStream.close ();
String result = new String (Bytes, 0, Bytes.length, "Cp850");
return result;
}
catch (Exception e) {
e.printStackTrace();
return "";
}
}
How to process all files in a directory in Python
To process all files in a directory in Python you can use the following snippet.
Sample Python
import os
for filename in os.listdir(dirname):
# do something
pass
How to check if a file exists in C++
To check if a file exists in C++ you can use the following snippet.
Sample C++
#include <sys/stat.h>
inline bool fileExists (const std::string& fileName) {
struct stat buff;
return (stat (fileName.c_str(), &buff) == 0);
}
How to check if a file exists in C
To check if a file exists in C you can use the follwing snippet.
Sample C
#include <unistd.h>
int fileExists(const char *filename) {
return !access(filename, F_OK);
}
How to reset the windows audio mixer in Batch
To reset the windows audio mixer in Batch you can use the following snippet.
This snippet will set all volume levels equal. If you know a simpler way to reset the audio mixer, without setting all volume levels manually please let us know.
Sample Batch
@ECHO OFF ECHO Resetting Volume Mixer Settings! NET STOP Audiosrv NET STOP AudioEndpointBuilder REG DELETE "HKCU\Software\Microsoft\Internet Explorer\LowRegistry\Audio\PolicyConfig\PropertyStore" /F REG ADD "HKCU\Software\Microsoft\Internet Explorer\LowRegistry\Audio\PolicyConfig\PropertyStore" NET START Audiosrv
How to list the avaiable fonts in Java
To list the avaiable fonts in Java you can use the following snippet.
Sample Java
GraphicsEnvironment g = GraphicsEnvironment.getLocalGraphicsEnvironment();
String fonts[] = g.getAvailableFontFamilyNames();
for (int Counter = 0; Counter < fonts.length;Counter++ ){
System.out.println(fonts[Counter]);
}
How to delete a file in Ruby
To delete a file in Ruby you can use the following snippet.
Sample Ruby
File.delete('filePath')
How to rename a file or folder in Ruby
To rename a file or folder in Ruby you can use the following snippet.
Sample Ruby
begin
File.rename("/path/to/oldfile", "/path/to/newfile")
rescue Exception => e
# the exception your way
end