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How can I count occurrences with groupBy?
... you're just looking for the overload which takes another Collector to specify what to do with each group... and then Collectors.counting() to do the counting:
import java.util.*;
import java.util.stream.*;
class Test {
public static void main(String[] args) {
List<String> list =...
How to convert an IPv4 address into a integer in C#?
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@ErikPhilips Does that matter if you only use IPv4?
– Ray
Oct 23 '14 at 20:41
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How is the Linux kernel tested ?
...hanged of course - the testing you'd do for a new network driver is quite different to the testing you'd do when replacing the core scheduling algorithm.
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Finding the source code for built-in Python functions?
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would have been helpful if you had given an example of how to use __file__
– stackoverflowpro
Aug 25 at 8:59
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how to read all files inside particular folder
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using System.IO;
//...
string[] files;
if (Directory.Exists(Path)) {
files = Directory.GetFiles(Path, @"*.xml", SearchOption.TopDirectoryOnly);
//...
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Get url parameters from a string in .NET
...'s name says, it's to parse Query Strings, not URLs with query parameters. If you want to do it, you must first split it by ? like this: Url.Split('?') and get last element using (depending on situation and what you need) [0] or LINQ's Last() / LastOrDefault().
– Kosiek
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Extract source code from .jar file
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The version in the techieme link works beautifully, thank you!
– DerStrom8
Jul 28 '15 at 15:59
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How to change the style of alert box?
... functionality.
var ALERT_TITLE = "Oops!";
var ALERT_BUTTON_TEXT = "Ok";
if(document.getElementById) {
window.alert = function(txt) {
createCustomAlert(txt);
}
}
function createCustomAlert(txt) {
d = document;
if(d.getElementById("modalContainer")) return;
mObj = d.g...
java.lang.OutOfMemoryError: Java heap space
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If you want to increase your heap space, you can use java -Xms<initial heap size> -Xmx<maximum heap size> on the command line. By default, the values are based on the JRE version and system configuration. You can ...
What is “origin” in Git?
...me the remote repository origin: in fact the same repository could have a different alias for another developer.
Remotes are simply an alias that store the URL of repositories. You can see what URL belongs to each remote by using
git remote -v
In the push command, you can use remotes or you can ...