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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....
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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Viewing my IIS hosted site on other machines on my network
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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...
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...
When a 'blur' event occurs, how can I find out which element focus went *to*?
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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...
Warning the user/local/mysql/data directory is not owned by the mysql user
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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...
'printf' vs. 'cout' in C++
...able without them. However, std::cout uses a different API - the operator << API that returns itself.
Generally, that means the C version will be shorter, but in most cases it won't matter. The difference is noticeable when you print many arguments. If you have to write something like Error 2...
Why does `True == False is False` evaluate to False? [duplicate]
...lse is False)
This can be surprising in this case, but lets you write 1 <= x < 4 unlike in other languages like C.
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Becoming better at Vim [closed]
...opics, but the novice ones are in fact the most important.
Also, when I felt that I was stagnating and not really learning "the Vim way", I chose to disable arrow keys in both normal and insert mode. This forces you to use ESC to get somewhere, and makes you think more Vim-like. Ultimately, I enabl...
org.xml.sax.SAXParseException: Content is not allowed in prolog
...ent? That would be the error there, having data in front of the prolog, -<?xml version="1.0" encoding="UTF-8"?>.
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