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How to read a single char from the console in Java (as the user types it)?
...jCurses might be interesting, though.
On a Unix system, this might work:
String[] cmd = {"/bin/sh", "-c", "stty raw </dev/tty"};
Runtime.getRuntime().exec(cmd).waitFor();
For example, if you want to take into account the time between keystrokes, here's sample code to get there.
...
Check string for palindrome
...
You can check if a string is a palindrome by comparing it to the reverse of itself:
public static boolean isPalindrome(String str) {
return str.equals(new StringBuilder(str).reverse().toString());
}
or for versions of Java earlier than 1...
Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space
...ence between the regex patterns on different browsers with different sized strings.
So basically i used jsPerf on
Testing in Chrome 65.0.3325 / Windows 10 0.0.0
Testing in Edge 16.16299.0 / Windows 10 0.0.0
The regex patterns i tested were
/[\W_]+/g
/[^a-z0-9]+/gi
/[^a-zA-Z0-9]+/g
I load...
How to fix 'android.os.NetworkOnMainThreadException'?
.... Run your code in AsyncTask:
class RetrieveFeedTask extends AsyncTask<String, Void, RSSFeed> {
private Exception exception;
protected RSSFeed doInBackground(String... urls) {
try {
URL url = new URL(urls[0]);
SAXParserFactory factory = SAXParserFacto...
Types in Objective-C on iOS
...e:
32 bit process:
NSLog(@"Primitive sizes:");
NSLog(@"The size of a char is: %d.", sizeof(char));
NSLog(@"The size of short is: %d.", sizeof(short));
NSLog(@"The size of int is: %d.", sizeof(int));
NSLog(@"The size of long is: %d.", sizeof(long));
NSLog(@"The size of long long is: %d....
Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
...is error by saving an object to the shared preferences as a gson converted string. The gson String was no good, so retrieving and deserializing the object was not actually working correctly. This meant any subsequent accesses to the object resulted in this error. Scary :)
...
Split a string by another string in C#
I've been using the Split() method to split strings, but this only appears to work if you are splitting a string by a character. Is there a way to split a string , with another string being the split by parameter?
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Check if a string contains a number
...mbers, whereas I'm looking for numbers in what I'd like to be a numberless string.
I need to enter a string and check to see if it contains any numbers and if it does reject it.
...
How to disable phone number linking in Mobile Safari?
Safari on iPhone automatically creates links for strings of digits that appear to the telephone numbers. I am writing a web page containing an IP address, and Safari is turning that into a phone number link. Is it possible to disable this behavior for a whole page or an element on a page?
...
How to detect incoming calls, in an Android device?
...e callStartTime;
private static boolean isIncoming;
private static String savedNumber; //because the passed incoming is only valid in ringing
@Override
public void onReceive(Context context, Intent intent) {
//We listen to two intents. The new outgoing call only tells us...