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Deleting a file in VBA
... Check here. Basically do this:
Function FileExists(ByVal FileToTest As String) As Boolean
FileExists = (Dir(FileToTest) <> "")
End Function
I'll leave it to you to figure out the various error handling needed but these are among the error handling things I'd be considering:
Check fo...
Why would json_encode return an empty string
...coding problem
mb_detect_encoding returns probably a faulty response, some strings were probably not UTF-8
using utf8_encode() on those string solved my problem, but see note below
Here is a recursive function that can force convert to UTF-8 all the strings contained in an array:
function utf8iz...
Import CSV file to strongly typed data structure in .Net [closed]
...
Use an OleDB connection.
String sConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\\InputDirectory\\;Extended Properties='text;HDR=Yes;FMT=Delimited'";
OleDbConnection objConn = new OleDbConnection(sConnectionString);
objConn.Open()...
No generic implementation of OrderedDictionary?
...gt;= _keyedCollection.Count) {
throw new ArgumentException(String.Format("The index was outside the bounds of the dictionary: {0}", index));
}
return _keyedCollection[index];
}
/// <summary>
/// Sets the value at the index specif...
What's the fastest way to read a text file line-by-line?
...der = new StreamReader(fileStream, Encoding.UTF8, true, BufferSize)) {
String line;
while ((line = streamReader.ReadLine()) != null)
// Process line
}
The FileStream constructor allows you to specify FileOptions. For example, if you are reading a large file sequentially from beginn...
How to capitalize the first letter in a String in Ruby
The upcase method capitalizes the entire string, but I need to capitalize only the first letter.
8 Answers
...
How can I read input from the console using the Scanner class in Java?
...rintln("Enter your username: ");
Scanner scanner = new Scanner(System.in);
String username = scanner.nextLine();
System.out.println("Your username is " + username);
You could also use next(String pattern) if you want more control over the input, or just validate the username variable.
You'll find...
Split string every nth character?
Is it possible to split a string every nth character?
16 Answers
16
...
Get Android .apk file VersionName or VersionCode WITHOUT installing apk
...
final PackageManager pm = getPackageManager();
String apkName = "example.apk";
String fullPath = Environment.getExternalStorageDirectory() + "/" + apkName;
PackageInfo info = pm.getPackageArchiveInfo(fullPath, 0);
Toast.makeText(this, "VersionCode : " + info.versi...
What is the 'instanceof' operator used for in Java?
...ific type...
if (objectReference instanceof type)
A quick example:
String s = "Hello World!"
return s instanceof String;
//result --> true
However, applying instanceof on a null reference variable/expression
returns false.
String s = null;
return s instanceof String;
//result --&...