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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...
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...
Unable to cast object of type 'System.DBNull' to type 'System.String`
...numeric values, false for boolean, MinValue for DateTime... msdn.microsoft.com/en-us/library/vstudio/…
– Jaime
Oct 7 '14 at 14:30
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Best way to build a Plugin system with Java
...nfiguration);
public void run();
public void unload();
public JComponent getConfigurationPage();
}
Plugin authors should then bundle their plugins into JAR files. Your applications opens the JAR file and could then use an attribute from JAR manifest or the list of all files in the JAR...