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Setting JDK in Eclipse
...Hello");
}
}*/
public class LambdaDemo1 {
public static void main(String[] args) {
testI test ;
/*test= new A();
test.show();*/
test = () ->System.out.println("Hello,how are you?"); //lambda
test.show();
}
}
...
How to gracefully handle the SIGKILL signal in Java
...k every time.
public class TestShutdownHook
{
public static void main(String[] args) throws InterruptedException
{
Runtime.getRuntime().addShutdownHook(new Thread()
{
@Override
public void run()
{
System.out.println("Shutdo...
T-SQL split string
I have a SQL Server 2008 R2 column containing a string which I need to split by a comma. I have seen many answers on StackOverflow but none of them works in R2. I have made sure I have select permissions on any split function examples. Any help greatly appreciated.
...
Trimming a huge (3.5 GB) csv file to read into R
... expert at this, but you might consider trying MapReduce, which would basically mean taking a "divide and conquer" approach. R has several options for this, including:
mapReduce (pure R)
RHIPE (which uses Hadoop); see example 6.2.2 in the documentation for an example of subsetting files
Alterna...
UITapGestureRecognizer breaks UITableView didSelectRowAtIndexPath
... then you can directly compare its class instead of having to convert to a string and hope Apple doesn't change the nomenclature:
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer
shouldReceiveTouch:(UITouch *)touch
{
if([touch.view class] == tableview.class){
ret...
Generate a random double in a range
...ort java.util.Random;
public class MyClass {
public static void main(String args[]) {
Double min = 0.0; // Set To Your Desired Min Value
Double max = 10.0; // Set To Your Desired Max Value
double x = (Math.random() * ((max - min) + 1)) + min; // This Will Creat...
Avoid Android Lint complains about not-translated string
is it possible to specify that the strings in a file within the value-* directories are purposely not translated into other languages? I have a bunch of strings that are common for all the languages and need no translation, so I've created an unlocalized-strings.xml file within values directo...
Gradle does not find tools.jar
...
I had this problem when I was trying to run commands through CLI.
It was a problem with system looking at the JRE folder i.e.
D:\Program Files\Java\jre8\bin. If we look in there, there is no Tools.jar, hence the error.
You need to find where the JDK is, in my case: D:...
What's the rationale for null terminated strings?
...and C++, I can't help but scratch my head at the choice of null terminated strings:
18 Answers
...
How to prevent ifelse() from turning Date objects into numeric objects
...irst this felt a little "hackish" to me. But now I just think of it as a small price to pay for the performance returns that I get from ifelse(). Plus it's still a lot more concise than a loop.
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