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Using 'starts with' selector on individual class names
.... It would be marginally faster (at best) because it would not have to substring the class attribute. Negligible.
– Josh Stodola
Feb 1 '10 at 16:58
2
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How can I find all of the distinct file extensions in a folder hierarchy?
...y uses quotes in the find command. To fix this I would use bash's literal string syntax as so: alias file_ext=$'find . -type f -name "*.*" | awk -F. \'!a[$NF]++{print $NF}\''
– SiegeX
Mar 14 '15 at 6:04
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sed beginner: changing all occurrences in a folder
...*.txt" -print0 | xargs -0 sed -i '' "s/foo/bar/g" (note providing an empty string to the -i argument).
– Jakub Kukul
Mar 27 '17 at 9:10
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How to completely uninstall Android Studio on Mac?
...ces
# The asterisk here should target all folders/files beginning with the string before it
rm -Rf ~/Library/Preferences/AndroidStudio*
# Deletes the Android Studio's plist file
rm -Rf ~/Library/Preferences/com.google.android.*
# Deletes the Android Emulator's plist file
rm -Rf ~/Library/Preferences...
Converting a Date object to a calendar object [duplicate]
...er = new SimpleDateFormat("yyyyMMdd");
date = (Date)formatter.parse(date.toString());
DateFormat is used to convert Strings to Dates (parse()) or Dates to Strings (format()). You are using it to parse the String representation of a Date back to a Date. This can't be right, can it?
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Does a finally block run even if you throw a new Exception?
...s executes.
public class ExceptionTest {
public static void someFunction(String input) throws Exception {
try {
if( input.equals("ABC") ) {
System.out.println("Matched");
}
} catch (Exception e) {
throw new Exception(e);
} finally {
System.ou...
Create thumbnail image
...esponse, you can modify the code for your purpose:
public void WriteImage(string path, int width, int height)
{
Bitmap srcBmp = new Bitmap(path);
float ratio = srcBmp.Width / srcBmp.Height;
SizeF newSize = new SizeF(width, height * ratio);
Bitmap target = new Bitmap((int) newSize.Wi...
Benefits of prototypal inheritance over classical?
So I finally stopped dragging my feet all these years and decided to learn JavaScript "properly". One of the most head-scratching elements of the languages design is it's implementation of inheritance. Having experience in Ruby, I was really happy to see closures and dynamic typing; but for the li...
How do I make a delay in Java?
..., to run the method myTask every second (Java 8):
public static void main(String[] args) {
final ScheduledExecutorService executorService = Executors.newSingleThreadScheduledExecutor();
executorService.scheduleAtFixedRate(App::myTask, 0, 1, TimeUnit.SECONDS);
}
private static void myTask()...
Pretty printing XML with javascript
I have a string that represents a non indented XML that I would like to pretty-print. For example:
18 Answers
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