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How to Replace dot (.) in a string in Java
... "/*/"); //replaces a literal . with /*/
http://docs.oracle.com/javase/7/docs/api/java/lang/String.html#replaceAll(java.lang.String,%20java.lang.String)
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How to get HTTP Response Code using Selenium WebDriver
... Chrome or Firefox in logging mode. I will show you some examples below.
java + Selenium + Chrome
Here is an example of java + Selenium + Chrome, but I guess that it can be done in any language (python, c#, ...).
All you need to do is tell chromedriver to do "Network.enable". This can be done by ...
Java 8 Stream and operation on arrays
I have just discovered the new Java 8 stream capabilities. Coming from Python, I was wondering if there was now a neat way to do operations on arrays like summing, multiplying two arrays in a "one line pythonic" way ?
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Why is String.chars() a stream of ints in Java 8?
In Java 8, there is a new method String.chars() which returns a stream of int s ( IntStream ) that represent the character codes. I guess many people would expect a stream of char s here instead. What was the motivation to design the API this way?
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Sprintf equivalent in Java
Printf got added to Java with the 1.5 release but I can't seem to find how to send the output to a string rather than a file (which is what sprintf does in C). Does anyone know how to do this?
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Run java jar file on a server as background process
I need to run a java jar in server in order to communicate between two applications. I have written two shell scripts to run it, but once I start up that script I can't shut down / terminate the process. If I press ctrl + C or close the console, the server will shut down. Could anyone help me how ...
Gradle to execute Java class (without modifying build.gradle)
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There is no direct equivalent to mvn exec:java in gradle, you need to either apply the application plugin or have a JavaExec task.
application plugin
Activate the plugin:
plugins {
id 'application'
...
}
Configure it as follows:
application {
mainCl...
Graph Algorithm To Find All Connections Between Two Arbitrary Vertices
... a bit weak in that area. I expect that you will be able to translate this Java code without too much trouble though.
Graph.java:
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.Map;
import java.util.Set;
public class Graph {
private M...
How to set a Timer in Java?
...ss that.
Setting a timer
First you need to create a Timer (I'm using the java.util version here):
import java.util.Timer;
..
Timer timer = new Timer();
To run the task once you would do:
timer.schedule(new TimerTask() {
@Override
public void run() {
// Your database code here
}
},...
Eclipse: Java, see where class is used
Is there a way in Eclipse to select a Java class, and then bring up a list of all Java files where that class is used within a project?
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