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What is the C# version of VB.net's InputDialog?
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Programmatically trigger “select file” dialog box
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Straightforward for basic cases, but not compatible with many browsers. Please note that its a much better idea to combine this solution with overlaying the file input element over a button at opacity:0, as it has been mentioned in Xeon06's answer.
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How do I get the file extension of a file in Java?
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In this case, use FilenameUtils.getExtension from Apache Commons IO
Here is an example of how to use it (you may specify either full path or just file name):
String ext1 = FilenameUtils.getExtension("/path/to/file/foo.txt"); // returns "txt"
String ext2 = FilenameUtils.getExtensi...
Should I use encodeURI or encodeURIComponent for encoding URLs?
...hat you are actually wanting to do.
encodeURI assumes that the input is a complete URI that might have some characters which need encoding in it.
encodeURIComponent will encode everything with special meaning, so you use it for components of URIs such as
var world = "A string with symbols & c...
What is the use of ByteBuffer in Java? [closed]
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This is a good description of its uses and shortcomings. You essentially use it whenever you need to do fast low-level I/O. If you were going to implement a TCP/IP protocol or if you were writing a database (DBMS) this class would come in handy.
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List comprehension in Ruby
To do the equivalent of Python list comprehensions, I'm doing the following:
17 Answers
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How to distinguish mouse “click” and “drag”
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How to check if a file exists in the Documents directory in Swift?
...ue)[0] as String
let url = NSURL(fileURLWithPath: path)
if let pathComponent = url.appendingPathComponent("nameOfFileHere") {
let filePath = pathComponent.path
let fileManager = FileManager.default
if fileManager.fileExists(atPath: filePath) {
print("FILE ...
Calculate a MD5 hash from a string
...System.Text.Encoding.ASCII.GetBytes(input);
byte[] hashBytes = md5.ComputeHash(inputBytes);
// Convert the byte array to hexadecimal string
StringBuilder sb = new StringBuilder();
for (int i = 0; i < hashBytes.Length; i++)
{
sb.Append(hashBytes...