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What is a daemon thread in Java?
...e in setDaemon.
public class DaemonTest {
public static void main(String[] args) {
new WorkerThread().start();
try {
Thread.sleep(7500);
} catch (InterruptedException e) {
// handle here exception
}
System.out.println("Main T...
javascript check for not null
...
It's because val is not null, but contains 'null' as a string.
Try to check with 'null'
if ('null' != val)
For an explanation of when and why this works, see the details below.
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Sorting HashMap by values [duplicate]
..., you could sort hashmap just like this:
public LinkedHashMap<Integer, String> sortHashMapByValues(
HashMap<Integer, String> passedMap) {
List<Integer> mapKeys = new ArrayList<>(passedMap.keySet());
List<String> mapValues = new ArrayList<>(passedM...
Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
...
Put servlet class in a package
First of all, put the servlet class in a Java package. You should always put publicly reuseable Java classes in a package, otherwise they are invisible to classes which are in a package, such as the server itself. This way you elimini...
':app:lintVitalRelease' error when generating signed apk
...the errors before disabling them. In my case, they were about some missing strings for specific languages. Hit "Analyze" -> "Inspect code .."
– Markus
May 29 '18 at 14:11
2
...
getResourceAsStream returns null
...sStream("MyTest.txt");
byte [] b = new byte[256];
int val = 0;
String txt = null;
do {
try {
val = result.read(b);
if (val > 0) {
txt += new String(b, 0, val);
}
} catch (IOException e) {
e.printStackT...
reading from app.config file
...rationSettings.AppSettings["StartingMonthColumn"] returns null or an empty string I would suspect that Int32.Parse will throw an exception on attempting to parse that values.
– Bittercoder
Mar 8 '10 at 10:10
...
How to run Selenium WebDriver test cases in Chrome?
...ew browser version.
public class chrome
{
public static void main(String[] args) {
System.setProperty("webdriver.chrome.driver", "/path/to/chromedriver");
WebDriver driver = new ChromeDriver();
driver.get("http://www.google.com");
}
}
...
How do you copy and paste into Git Bash
...Edit -> Paste which is exactly what I want! No more typing API code manually!
– Trav L
Feb 21 '10 at 1:08
27
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Find first element by predicate
...ily, exposing opportunities for optimization. For example, "find the first String with three consecutive vowels" need not examine all the input strings. Stream operations are divided into intermediate (Stream-producing) operations and terminal (value- or side-effect-producing) operations. Intermedia...