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Debugging Scala code with simple-build-tool (sbt) and IntelliJ
... I want to use the interactive debugger, I can do the following:
Create a new Run/Debug Configuration of type 'ScalaTest', put the main "Test Class:" name, and choose "Before launch: Run SBT Action 'test-compile'". That's it, you can place breakpoints now in the test sources, and run this configura...
What is the difference between #import and #include in Objective-C?
...ely on the existing behavior. Should language development stop introducing new, helpful, forward-looking features... no. So, it's never as simple as some of comments on the accepted answer suggest it could be.
– rambo
Aug 9 at 18:53
...
Volatile vs Static in Java
..., you have to implement a lock:
private static final Object counterLock = new Object();
private static volatile int counter = 0;
private void concurrentMethodRight() {
synchronized (counterLock) {
counter = counter + 5;
}
//do something
synchronized (counterLock) {
counter = count...
Flask-SQLAlchemy import/context issue
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Printing a variable memory address in swift
...e the [NSString stringWithFormat:@"%p", myVar] , from Objective-C, in the new Swift language?
15 Answers
...
Stopping an Android app from console
...ple.TestActivity.STOP";
private BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
TestActivity.this.finish();
}
};
@Override
public void onCreate(Bundle savedInstance...
Calculate distance between two latitude-longitude points? (Haversine formula)
... optimize the code, I have found here. On average in different browsers my new implementation runs 2 times faster than the most upvoted answer.
function distance(lat1, lon1, lat2, lon2) {
var p = 0.017453292519943295; // Math.PI / 180
var c = Math.cos;
var a = 0.5 - c((lat2 - lat1) * p)/2 ...
How to upload files to server using JSP/Servlet?
... library has proven its robustness.
When you're already on Servlet 3.0 or newer, use native API
If you're using at least Servlet 3.0 (Tomcat 7, Jetty 9, JBoss AS 6, GlassFish 3, etc), then you can just use standard API provided HttpServletRequest#getPart() to collect the individual multipart form ...
CSS - Overflow: Scroll; - Always show vertical scroll bar?
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...
How do I daemonize an arbitrary script in unix?
...tories so they're all in one place; usually I use /var/lib/svscan, but any new location will be fine.
I usually use a script to set up the service directory, to save lots of manual repetitive work. e.g.,
sudo mkservice -d /var/lib/svscan/some-service-name -l -u user -L loguser "command line here"
...