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List all files and directories in a directory + subdirectories

... string[] allfiles = Directory.GetFiles("path/to/dir", "*.*", SearchOption.AllDirectories); where *.* is pattern to match files If the Directory is also needed you can go like this: foreach (var file in allfiles){ Fi...
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How is an overloaded method chosen when a parameter is the literal null value?

... Is null a String variable pointing to nothing ? A null reference can be converted to an expression of any class type. So in the case of String, this is fine: String x = null; The String overload here is chosen because the Java com...
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Split Java String by New Line

I'm trying to split text in a JTextArea using a regex to split the String by \n However, this does not work and I also tried by \r\n|\r|n and many other combination of regexes. Code: ...
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When splitting an empty string in Python, why does split() return an empty list while split('\n') re

I am using split('\n') to get lines in one string, and found that ''.split() returns an empty list, [] , while ''.split('\n') returns [''] . Is there any specific reason for such a difference? ...
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How to write character & in android strings.xml

I wrote the following in the strings.xml file: 11 Answers 11 ...
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Wrap long lines in Python [duplicate]

...s a really long ' 'sentence with {1}').format(3, 5)) Adjacent string literals are concatenated at compile time, just as in C. http://docs.python.org/reference/lexical_analysis.html#string-literal-concatenation is a good place to start for more info. ...
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Javascript/jQuery: Set Values (Selection) in a multiple Select

...r values="Test,Prof,Off"; $.each(values.split(","), function(i,e){ $("#strings option[value='" + e + "']").prop("selected", true); }); Working Example http://jsfiddle.net/McddQ/1/ share | impr...
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HttpWebRequest using Basic authentication

...he name "Authorization" and the value "Basic BASE64({USERNAME:PASSWORD})" String username = "abc"; String password = "123"; String encoded = System.Convert.ToBase64String(System.Text.Encoding.GetEncoding("ISO-8859-1").GetBytes(username + ":" + password)); httpWebRequest.Headers.Add("Authorization",...
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How to convert JSON string to array

...If you pass the JSON in your post to json_decode, it will fail. Valid JSON strings have quoted keys: json_decode('{foo:"bar"}'); // this fails json_decode('{"foo":"bar"}', true); // returns array("foo" => "bar") json_decode('{"foo":"bar"}'); // returns an object, not an array. ...
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Using Excel OleDb to get sheet names IN SHEET ORDER

...param name="excelFile">The excel file.</param> /// <returns>String[]</returns> private String[] GetExcelSheetNames(string excelFile) { OleDbConnection objConn = null; System.Data.DataTable dt = null; try { // Connection String. Change the excel file to t...