these are the top 10 reads of July 2014.
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Month: July 2014
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 read a embedded resource image in C# and VB.NET
To read a embedded resource image in C# and VB.NET you can use the following snippet.
Sample C#
public static Image ReadEmbeddedRessourceImage(Assembly assembly, string searchPattern)
{
var resourceName = assembly.GetManifestResourceNames().FirstOrDefault(x => x.Contains(searchPattern));
using (var stream = assembly.GetManifestResourceStream(resourceName))
{
if (stream != null) return Image.FromStream(stream);
}
return null;
}
Sample VB.NET
Public Shared Function ReadEmbeddedRessourceImage(assembly As Assembly, searchPattern As String) As Image Dim resourceName = assembly.GetManifestResourceNames().FirstOrDefault(Function(x) x.Contains(searchPattern)) Using stream = assembly.GetManifestResourceStream(resourceName) If stream IsNot Nothing Then Return Image.FromStream(stream) End If End Using Return Nothing End Function
How to set the start location of FolderBrowserDialog in C# and VB.NET
To set the start location of FolderBrowserDialog in C# and VB.NET you can use the following snippet.
To do so, simply set the SelectedPath Value to the path you want.
Sample C#
MyFolderBrowserDialog.SelectedPath = @"C:\Test";
Sample VB.NET
MyFolderBrowserDialog.SelectedPath = "C:\Test"
How to generate a random number in C
To generate a random number in C you can use the following snippet.
Sample C
srand(time(NULL));
int r = rand() % 10; //generates a random number between 0 and 9
printf("%d",r);
How to get the char code in C++
To get the char code in C++ you can use the following snippet.
Simply cast the Char to int.
Sample C++
cout << (int)'A' << endl;
How to get the char code in C
To get the char code in C you can use the following snippet.
Sample C
char testChar = 'a';
printf("%d",testChar);