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Java 8 Streams - collect vs reduce
... = strings.reduce("", String::concat)
We would get the desired result, and it would even work in parallel.
However, we might not be happy about the performance! Such an
implementation would do a great deal of string copying, and the run
time would be O(n^2) in the number of characters....
Difference between Arrays.asList(array) and new ArrayList(Arrays.asList(array))
...List(ia)
It takes an array ia and creates a wrapper that implements List<Integer>, which makes the original array available as a list. Nothing is copied and all, only a single wrapper object is created. Operations on the list wrapper are propagated to the original array. This means that if y...
Correct way to pass multiple values for same parameter name in GET request
I'm looking into what is the correct way to pass multiple values for the same parameter name in a GET request.
4 Answers
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When a 'blur' event occurs, how can I find out which element focus went *to*?
...
Hmm... In Firefox, you can use explicitOriginalTarget to pull the element that was clicked on. I expected toElement to do the same for IE, but it does not appear to work... However, you can pull the newly-focused element from the document:
function showBlur(ev)
{
var...
C++ cout hex values?
...
Use:
#include <iostream>
...
std::cout << std::hex << a;
There are many other options to control the exact formatting of the output number, such as leading zeros and upper/lower case.
...
Warning the user/local/mysql/data directory is not owned by the mysql user
...
sudo nano /Library/LaunchDaemons/com.mysql.mysql.plist
And paste in:
<!--?xml version="1.0" encoding="UTF-8"?-->
<plist version="1.0">
<dict>
<key>KeepAlive</key>
<true />
<key>Label</key>
<string>com.mysql.mysqld</strin...
How to implement a ViewPager with different Fragments / Layouts
...tion, I wanted to take the time and effort to explain the ViewPager with multiple Fragments and Layouts in detail. Here you go.
ViewPager with multiple Fragments and Layout files - How To
The following is a complete example of how to implement a ViewPager
with different fragment Types and dif...
Viewing my IIS hosted site on other machines on my network
...
Because outbound traffic(from server to outside world) is allowed by default .it means for example http responses that web server is sending back to outside users and requests
But inbound traffic (originating from outside world to the server) is blocked by default like the user web requests origi...
HTML5shiv vs Dean Edwards IE7-js vs Modernizr - which to choose?
...tags in IE, like html5shiv.
ie7.js (as well as ie8.js and ie9.js) uses Javascript to retro-fit some missing functionality to IE.
As far as I'm aware there's no cross-over between them (aside from html5shiv/modernizr), so you can use any combination of them, depending on what features you need to i...
How can I properly handle 404 in ASP.NET MVC?
...stError();
// Log the exception.
ILogger logger = Container.Resolve<ILogger>();
logger.Error(exception);
Response.Clear();
HttpException httpException = exception as HttpException;
RouteData routeData = new RouteData();
routeData.Values.Add("controller", "Error");
...